Climate and monthly weather forecast
Rumelange, Luxembourg

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The climate of Rumelange

Rumelange, Luxembourg, is categorized under the Köppen climate classification as Cfb, which indicates a marine west coast climate with a warm summer. Geographically, this area lies in west-central Europe, contributing to its relatively mild and cool climate.

Weather patterns throughout the year are primarily shaped by maritime influences with an overall mild and damp atmosphere. This is evident in the consistency in the relative humidity levels, ranging from 76% in August to a high of 91% in December, reflecting persistent moisture in the air.

Temperature variations are moderate throughout the year. High temperatures range from a mild 3.4°C (38.1°F) in January, steadily rising to a warm 22.8°C (73°F) in August. Conversely, low temperatures hover around -0.9°C (30.4°F) in January, with the warmest lows reaching 12.6°C (54.7°F) in August.

Precipitation in Rumelange sees rainfall throughout the year, varying from 39mm (1.54") in April to 75mm (2.95") in December. Snowfall is typical from December to March, with highest accumulations, 85mm (3.35"), recorded in January. Sunshine hours also fluctuate over the year, with June providing the longest daylight hours at 16.2 hours and shortest in December with 8.3 hours.

The best time to visit Rumelange

Choosing the best time to visit Rumelange depends largely on the preference for outdoor activities. However, for those looking to maximize their time under the sun, June and July present the best opportunities with average sunshine durations of 8.7 hours and 9.5 hours, respectively. During these months, temperatures also reach a comfortable high of 20.3°C (68.5°F) to 22.7°C (72.9°F), ideal for a broad variety of activities.

The worst time to visit Rumelange

While beauty is in the eye of the beholder, some might find the winter months less inviting. With temperatures plummeting to lows of -0.9°C (30.4°F) in January and the highest snowfall amounts reaching 85mm (3.35"), the conditions might not be ideal for sightseeing or outdoor activities. Daylight hours also shrink to a minimum of 8.3 hours in December.

Spring weather in Rumelange

Rumelange's spring season, from March to May, witnesses an enchanting transition from chilly to mild weather. Average high temperatures climb from 9.3°C (48.7°F) in March to 16.8°C (62.2°F) in May, while the average low temperatures step up from 1.8°C (35.2°F) to 6.8°C (44.2°F) over the same period. Rainfall levels stay moderate, varying from 46mm (1.81") to 64mm (2.52"), offering a beautiful blend of bright days and refreshing spring showers.

Summer weather in Rumelange

Summers, from June to August, embrace warm and comfortable weather. Temperatures peak to an average high of 22.8°C (73°F) in August while the average low hovers around 12.3°C (54.1°F) to 12.6°C (54.7°F) in July and August. Rainfall averages from 47mm (1.85") to 69mm (2.72"), keeping the city verdant and vibrant. Long daylight hours up to 16.2 hours in June further enhance the charm of the season.

Autumn weather in Rumelange

Autumn months from September to November bring a slow but noticeable transition towards cooler weather. High temperatures steadily fall from 18.5°C (65.3°F) in September to 8°C (46.4°F) in November. Concurrently, average low temperatures drop from 9.5°C (49.1°F) to 2.9°C (37.2°F). Rainfall levels remain relatively uniform, ranging between 40mm (1.57") in September to 54mm (2.13") in November, contributing to the creation of breathtaking fall foliage.

Winter weather in Rumelange

Cold and snow define winters in Rumelange, spanning December to February. Average high temperatures drop to a low of 3.4°C (38.1°F) in January, with average low temperatures settling around -0.9°C (30.4°F). Snowfall is common in these months, with accumulations peaking at 85mm (3.35") in January, lending a magical winter wonderland atmosphere to the city.

Weather in January

As Rumelange steps into the new year, January brings with it cold climes and dreary weather. The city sees the majority of its data charted at the upper end, with higher values for relative humidity and snowfall. In fact, January stands out with its snowfall at 85mm (3.35") and around nine snowy days adding to the winter charm. Weather in January »

Weather in February

As February takes over, Rumelange notices a slight easing in its winter stronghold. Interestingly, the city observes a drop in snowfall and a marginal increase in temperatures than the previous month. These signs point to an early arrival of spring this year. Weather in February »

Weather in March

March marks the glorious arrival of Spring season in Rumelange. It is notable that snowfall almost disappears, while temperatures start rising steadily, showcasing a stark contrast from the preceding months. This month also welcomes increased hours of daylight, enabling residents to enjoy the blooming flowers. Weather in March »

Weather in April

By the time April appears, Rumelange sees a remarkable rise in maximum temperatures going up to 14.3°C (57.7°F), showcasing a steady progression into warmer months. More sunshine graces the city, enabling numerous outdoor activities and exploration. Weather in April »

Weather in May

May showcases a significant transition in Rumelange's weather, paving the way for summer. It flaunts benign climatic conditions with marshalled warmth during the day. Occasionally, rainfall playfully interrupts the generally sunny and warm weather. Weather in May »

Weather in June

As the city slips into June, summer in Rumelange truly comes alive. An increase in temperature sees a high of 20.3°C (68.5°F) indicating the true beginning of the warm days. Furthermore, it also brings longer sunshine hours perfect for picnics and hiking activities. Weather in June »

Weather in July

Come July, Rumelange witnesses the peak of summer with consistently warm weather. However, despite an absence of rainfall, it is interesting to note that landlocked Rumelange does not experience much of an atmospheric pressure variation, steady around 1015.8mb. Weather in July »

Weather in August

August proceeds with the summer spirit, with temperatures and daylight hours marginally lower than July. However, the city still basks in the warm sunshine keeping the summer vibes intact. August stands out with its strong winds that occasionally temper the warmth, giving way to cool evenings. Weather in August »

Weather in September

September signals the arrival of autumn in Rumelange, with a noticeable drop in temperatures and daylight hours. However, the transition is smooth with the weather still on the warmer side, preserving the aura of the outgoing summer. Weather in September »

Weather in October

October in Rumelange means a full-fledged autumn with its crisp air and shorter days. There’s also a natural decline in temperatures, although days remain mildly sunny and perfect for outdoor exploration. October sets stage for the foliage season at its peak, painting the city in warm hues of red, orange and yellow. Weather in October »

Weather in November

November paints a bleak picture with temperatures dipping further and daylight decreasing. The city's humidity percentage stands at around 90%, one of the highest throughout the year. Being one of the last months of autumn, the hues of red and orange start fading away. Weather in November »

Weather in December

December sees Rumelange under a thick blanket of snow, re-announcing winter's dominance. It records maximum precipitation of the year at 75mm (2.95"), mostly in the form of snow, and the relative humidity tops the chart with about 91%. Weather in December »

Frequently asked questions

What month is the coldest in Rumelange?

During the coldest month in Rumelange, January, temperatures average a high of 3.4°C (38.1°F) and a low of -0.9°C (30.4°F).

How many days does it rain in Rumelange?

Throughout the year, in Rumelange, Luxembourg, there are 187.2 rainfall days, and 636mm (25.04") of precipitation is accumulated.

When does it snow in Rumelange?

January through May, October through December are months with snowfall in Rumelange.

When does it snow the most in Rumelange?

The month with the most snowfall 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 Rumelange?

In Rumelange, 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 Rumelange?

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Rumelange, Luxembourg.

What is the driest month in Rumelange?

April is the month with the least rainfall in Rumelange, Luxembourg. Rain falls for 14.2 days and accumulates 39mm (1.54") of precipitation.

When it does not snow in Rumelange?

June through September are months without snowfall in Rumelange.

When are the longest days in Rumelange?

With an average of 16h and 12min of daylight, June has the longest days of the year.

When is the highest UV index in Rumelange?

The months with the highest UV index in Rumelange, Luxembourg, are June and July, with an average maximum UV index of 5.

What month has the most sunshine in Rumelange?

The month with the most sunshine in Rumelange is July, with an average of 9.5h of sunshine.

What time of the year is the hottest in Rumelange?

Rumelange's temperatures tend to reach their peak averages in August, with a high of 22.8°C (73°F) and a low of 12.6°C (54.7°F).

What is the least humid month in Rumelange?

August is the least humid month in Rumelange, Luxembourg, with an average relative humidity of 76%.

When is Daylight Saving Time (DST) in Rumelange?

On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Rumelange, 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 Rumelange?

December is the most humid month in Rumelange, with an average relative humidity of 91%.

What is the wettest month in Rumelange?

The month with the most rainfall 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 Rumelange?

With an average of 8h and 12min of daylight, December has the shortest days of the year in Rumelange, Luxembourg.

What is the month with the least sunshine in Rumelange?

December has the least sunshine of the year, with an average of 2.9h of sunshine.

Average temperature
Rumelange, Luxembourg

Average temperature - Rumelange, 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
Rumelange, Luxembourg

Average pressure - Rumelange, Luxembourg

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
Rumelange, Luxembourg

Average wind speed - Rumelange, Luxembourg

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
Rumelange, Luxembourg

Average humidity - Rumelange, Luxembourg

The month with the highest relative humidity is December (91%).
The month with the lowest relative humidity is August (76%).

Average rainfall
Rumelange, Luxembourg

Average rainfall - Rumelange, Luxembourg

The wettest month (with the highest rainfall) is December (75mm).
The driest month (with the least rainfall) is April (39mm).

Average rainfall days
Rumelange, Luxembourg

Average rainfall days - Rumelange, Luxembourg

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
Rumelange, Luxembourg

Average snowfall - Rumelange, 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
Rumelange, Luxembourg

Average snowfall days - Rumelange, Luxembourg

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
Rumelange, Luxembourg

Average daylight / Average sunshine - Rumelange, Luxembourg

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).

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
Rumelange, Luxembourg

Average sunshine days - Rumelange, Luxembourg

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
Rumelange, Luxembourg

Average UV index - Rumelange, 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 visibility
Rumelange, Luxembourg

Average visibility - Rumelange, 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).

Rumelange, Luxembourg

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