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Contents
- The climate of Roeser
- The best time to visit Roeser
- The worst time to visit Roeser
- Spring weather in Roeser
- Summer weather in Roeser
- Autumn weather in Roeser
- Winter weather in Roeser
- Weather in January
- Weather in February
- Weather in March
- Weather in April
- Weather in May
- Weather in June
- Weather in July
- Weather in August
- Weather in September
- Weather in October
- Weather in November
- Weather in December
- Frequently asked questions
- Average temperature
- Average pressure
- Average wind speed
- Average humidity
- Average rainfall
- Average rainfall days
- Average snowfall
- Average snowfall days
- Average daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
The climate of Roeser
Roeser, Luxembourg, falls under the Köppen climate classification Cfb, which characterizes marine west coast with warm summers. It is geographically positioned in the temperate latitude zone, resulting in a combination of four distinct seasons throughout the year. High humidity levels, frequent rainfall, and mild, temperate weather typify the overall climate of Roeser.
The temperature varies from a low of -0.9°C (30.4°F) in winter to a high of 22.8°C (73°F) during summer. January is the coldest month, whereas the warmth peaks in July and August. A noticeable aspect of the climate is the consistency of rainfall from month to month. The monthly average remains in a narrow range from 39mm (1.54") to 75mm (2.95"). The highest rainfall is observed in December with 75mm (2.95"), while the least precipitation occures from May to September, averaging 40mm (1.57") to 67mm (2.64"). Although rainfall is evenly distributed throughout the year, the month of May tends to be a bit heavier with an average rainfall of 64mm (2.52").
Daylight hours vary from 8.2 in December to 16.2 in June, corresponding to the length of the days and nights. The wind speed swings between 9.8km/h (6.1mph) and 15.1km/h (9.4mph), with the highest speeds in winter and the slowest during late summer. Snowfall is not a common phenomenon throughout the year apart from the winter season. The months of January, February, and December witness the most snow with 85mm (3.35"), 51mm (2.01"), and 84mm (3.31") respectively.
The temperature varies from a low of -0.9°C (30.4°F) in winter to a high of 22.8°C (73°F) during summer. January is the coldest month, whereas the warmth peaks in July and August. A noticeable aspect of the climate is the consistency of rainfall from month to month. The monthly average remains in a narrow range from 39mm (1.54") to 75mm (2.95"). The highest rainfall is observed in December with 75mm (2.95"), while the least precipitation occures from May to September, averaging 40mm (1.57") to 67mm (2.64"). Although rainfall is evenly distributed throughout the year, the month of May tends to be a bit heavier with an average rainfall of 64mm (2.52").
Daylight hours vary from 8.2 in December to 16.2 in June, corresponding to the length of the days and nights. The wind speed swings between 9.8km/h (6.1mph) and 15.1km/h (9.4mph), with the highest speeds in winter and the slowest during late summer. Snowfall is not a common phenomenon throughout the year apart from the winter season. The months of January, February, and December witness the most snow with 85mm (3.35"), 51mm (2.01"), and 84mm (3.31") respectively.
The best time to visit Roeser
Considering the moderate temperatures and lower wind speeds, the best time to visit Roeser would be from June to August. These months offer more comfortable weather with high temperatures varying around 20.3°C (68.5°F) to 22.8°C (73°F). A substantial amount of sunshine is also seen during these months with an average of 8.7 hours to 9.5 hours of sunshine per day. Relatively lower wind speeds around 9.8km/h (6.1mph) to 10.5km/h (6.5mph) add to the pleasant conditions during the summer months.
The worst time to visit Roeser
The least tourist-friendly weather in Roeser occurs from November through February due to lower temperatures and higher wind speeds. The high temperatures contract to a range of 3.4°C (38.1°F) in January to 4.6°C (40.3°F) in February, and the chilly winds escalate to 15.1km/h (9.4mph) in January. Moreover, snowfall tends to hinder the travel plans with up to 85mm (3.35") in January.
Spring weather in Roeser
Spring in Roeser, from March to May, beholds a rise in temperature from 9.3°C (48.7°F) to 16.8°C (62.2°F). Humidity sees a downward shift, falling from 81% in March to 82% by May. The remarkable characteristic of this season is the increase in daylight hours from 11.9 to 15.4, providing more opportunities for sightseeing and outdoor activities.
Summer weather in Roeser
The period from June to August is summer in Roeser, during which the weather remains comfortably warm with high temperatures swinging from 20.3°C (68.5°F) to 22.8°C (73°F). With negligible snowfall and the highest daylight hours from 15.8 to 16.2, summer is the most inviting season in Roeser, encouraging a multitude of outdoor activities.
Autumn weather in Roeser
Autumn, from September to November, brings a drop in the temperature from 18.5°C (65.3°F) to 8°C (46.4°F). The daylight hours also decrease from 12.6 to 9.1, which might shorten the duration of outdoor activities. Rainfall appears in a consistent manner, with averages oscillating between 40mm (1.57") and 54mm (2.13").
Winter weather in Roeser
Winter spans from December to February in Roeser. It is characterized by a further dip in the temperature from 4.5°C (40.1°F) in December to 3.4°C (38.1°F) in January. Snowfall is a dominant feature during these months, peaking at 85mm (3.35") in January. With daylight hours dwindling between 8.2 and 10.1, winter in Roeser unfolds a serene snowy atmosphere.
Weather in January
January in Roeser, Luxembourg, ushers in the New Year with predominantly cold and wet climate. This month witnesses the highest snowfall, with about 85mm (3.35") spread across approximately 9 days. Transitioning from the festive season, the initial month of the year presents a chilly start, augmented by a significant bout of humidity. Weather in January »
Weather in February
In contrast to its predecessor, February displays some improvements with reduced snowfall yet still averaging to about 51mm (2.01") over roughly 9 days. The weather remains cold, but the city starts to witness longer daylight hours. Weather in February »
Weather in March
As spring approaches in March, Roeser's weather gradually warms up, although the temperature remains relatively low. The decrease in snowfall from February to about 29mm (1.14") mixed with slight rainfall creates a soggy environment. Weather in March »
Weather in April
April in Roeser brings a significant leap into spring with the snowfall significantly dipping to just 2mm (0.08"). The increase in daylight hours, coupled with a fair amount of sunshine, paves the way for a gradual transition into warmer days. Weather in April »
Weather in May
The weather in May displays a noticeable shift towards warmer temperatures. The city sees no snowfall, with precipitation coming entirely from rainfall totaling to about 64mm (2.52"). With longer daylight hours and an increased UV index, this month signifies the official commencement of the sunny season. Weather in May »
Weather in June
June arrives with a distinct summer vibe, signaling the peak tourist season in Roeser. The city maintains its rainfall pattern from May to around 69mm (2.72"), making it the wettest month of the year. Despite this, the ample amount of sunshine and longer daylight hours ensure pleasant outdoor activities. Weather in June »
Weather in July
Setting pace with the heart of summer, July exhibits warmest temperatures. The relative humidity descends, leading to clearer skies and a more pleasant outdoor setting. The reduced cloud cover allows ample sunlight, making July the sunniest month with the daylight hours reaching the annual maximum. Weather in July »
Weather in August
August carries forward July's warm temperament but with a slight variation in weather patterns. The rainfall is consistent with July, both measuring around 48mm (1.89"). The city's temperature remains high, though it begins to show signs of mellowing down towards the end. Weather in August »
Weather in September
September in Roeser sees clear signs of autumn with falling temperatures. Rainfall decreases to roughly 40mm (1.57") along with a reduction in daylight hours. The declining temperature signals the start of the transition from summer to autumn. Weather in September »
Weather in October
October intensifies autumn's grasp over Roeser, bringing along cooler days. The city amounts to a rainfall of approximately 46mm (1.81"). A considerable drop in daylight hours can be observed, forecasting the arrival of winter. The onset of the chilly breeze, coupled with the rustling sound of falling leaves, adds a spectral ambiance to the city. Weather in October »
Weather in November
November steers Roeser towards the brink of winter. Snowfall makes its return, measuring around 22mm (0.87"), signaling the end of the dry spell. The diminishing daylight hours, combined with increased cloud cover, add a wintry shade to the city's canvas. Weather in November »
Weather in December
December marks the advent of full-fledged winter in Roeser. It ensures a white Christmas with an impressive 84mm (3.31") of snowfall. The dropping temperatures, the short daylight hours, and the chilly winds set the stage for a merry white holiday season. Weather in December »
Updated: Feb 3, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What time of the year is the coldest in Roeser?
With average high temperatures of 3.4°C (38.1°F) and lows of -0.9°C (30.4°F), January is the coldest month in Roeser, Luxembourg.
How many days does it rain in Roeser?
In Roeser, Luxembourg, during the entire year, the rain falls for 187.2 days and collects up to 636mm (25.04") of precipitation.
When does it snow in Roeser?
January through May, October through December are months with snowfall.
What is the snowiest month in Roeser?
The month with the most snowfall in Roeser, Luxembourg, is January, when snow falls for 9.2 days and typically aggregates up to 85mm (3.35") of snow.
How many days does it snow in Roeser?
In Roeser, Luxembourg, during the entire year, snow falls for 32.5 days and aggregates up to 279mm (10.98") of snow.
What are the months with the lowest UV index in Roeser?
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2.
What is the driest month in Roeser?
The month with the least rainfall in Roeser, Luxembourg, is April, when the rain falls for 14.2 days and typically collects 39mm (1.54") of precipitation.
When it does not snow in Roeser?
In Roeser, Luxembourg, snow does not fall in June through September.
When are the longest days in Roeser?
The month with the longest days is June, with an average of 16h and 12min of daylight.
When is the highest UV index in Roeser?
The months with the highest UV index are June and July, with an average maximum UV index of 5.
What month has the most sunshine in Roeser?
With an average of 9.5h of sunshine, July has the most sunshine of the year.
What month is the hottest in Roeser?
August, with its average high-temperature of 22.8°C (73°F) and an average low-temperature of 12.6°C (54.7°F), holds the record as the warmest month.
What is the least humid month in Roeser?
August is the least humid month in Roeser, Luxembourg, with an average relative humidity of 76%.
When is Daylight Saving Time (DST) in Roeser?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Roeser, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the most humid month in Roeser?
December is the most humid month in Roeser, Luxembourg, with an average relative humidity of 91%.
What is the rainiest month in Roeser?
The month with the most rainfall in Roeser is December, when the rain falls for 17 days and typically aggregates up to 75mm (2.95") of precipitation.
What is the month with the shortest days in Roeser?
December has the shortest days of the year in Roeser, Luxembourg, with an average of 8h and 12min of daylight.
What is the month with the least sunshine in Roeser?
With an average of 2.9h of sunshine, December has the least sunshine of the year in Roeser.
Average temperature
Roeser, Luxembourg
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (3.4°C).
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-0.9°C).
Average pressure
Roeser, Luxembourg
- Average pressure in January:
1017.7mbar - Average pressure in February:
1016.5mbar - Average pressure in March:
1016.5mbar - Average pressure in April:
1015.6mbar - Average pressure in May:
1016.2mbar - Average pressure in June:
1016.1mbar
- Average pressure in July:
1015.8mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1017.9mbar - Average pressure in October:
1017.5mbar - Average pressure in November:
1014.1mbar - Average pressure in December:
1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed
Roeser, Luxembourg
- Average wind speed in January:
14.7km/h - Average wind speed in February:
15.6km/h - Average wind speed in March:
14.8km/h - Average wind speed in April:
11.7km/h - Average wind speed in May:
11.1km/h - Average wind speed in June:
10.7km/h
- Average wind speed in July:
10.5km/h - Average wind speed in August:
9.8km/h - Average wind speed in September:
10.3km/h - Average wind speed in October:
11.7km/h - Average wind speed in November:
13.2km/h - Average wind speed in December:
15.1km/h
The windiest month (with the highest average wind speed) is February (15.6km/h).
The calmest month (with the lowest average wind speed) is August (9.8km/h).
Average humidity
Roeser, Luxembourg
The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).
Average rainfall
Roeser, Luxembourg
The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).
Average rainfall days
Roeser, Luxembourg
- Average rainfall days in January:
14.7 days - Average rainfall days in February:
13 days - Average rainfall days in March:
13.9 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
19.1 days - Average rainfall days in June:
17.8 days
- Average rainfall days in July:
17.3 days - Average rainfall days in August:
16.6 days - Average rainfall days in September:
12.5 days - Average rainfall days in October:
15.6 days - Average rainfall days in November:
15.5 days - Average rainfall days in December:
17 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is September (12.5 days).
Average snowfall
Roeser, Luxembourg
The month with the highest snowfall is January (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Roeser, Luxembourg
- Average snowfall days in January:
9.2 days - Average snowfall days in February:
8.7 days - Average snowfall days in March:
3.3 days - Average snowfall days in April:
0.4 days - Average snowfall days in May:
0.1 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.3 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
7.7 days
The month with the highest number of snowfall days is January (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Roeser, Luxembourg
- Average daylight in January:
8h and 4min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 5min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 1min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in January:
3h and 2min - Average sunshine in February:
3h and 5min - Average sunshine in March:
5h and 4min - Average sunshine in April:
7h and 5min - Average sunshine in May:
8h and 2min - Average sunshine in June:
8h and 4min
- Average sunshine in July:
9h and 3min - Average sunshine in August:
9h and 2min - Average sunshine in September:
8h and 0min - Average sunshine in October:
5h and 1min - Average sunshine in November:
3h and 3min - Average sunshine in December:
2h and 5min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 2h and 54min).
Average sunshine days
Roeser, Luxembourg
- Average sunshine days in January:
10.3 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
13 days - Average sunshine days in April:
13 days - Average sunshine days in May:
9.7 days - Average sunshine days in June:
8.8 days
- Average sunshine days in July:
11.3 days - Average sunshine days in August:
12.8 days - Average sunshine days in September:
15.1 days - Average sunshine days in October:
12.8 days - Average sunshine days in November:
8.8 days - Average sunshine days in December:
8 days
The month with the most sunshine days is September (15.1 days).
The month with the least sunshine days is December (8 days).
Average UV index
Roeser, Luxembourg
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover
Roeser, Luxembourg
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility
Roeser, Luxembourg
The months with the highest visibility are March, April, July and August (9km).
The months with the lowest visibility are November and December (7km).
Roeser, Luxembourg
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