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Contents
- 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
Climate and monthly weather forecast
Weather in January
January, like December, in Sien, Germany, is an icy winter month, with an average temperature fluctuating between 2.9°C (37.2°F) and -1.3°C (29.7°F). Temperature readings reach their annual highs in January, averaging 2.9°C (37.2°F) and a minimum average of -1.3°C (29.7°F). Weather in January »
Weather in February
The last month of the winter, February, is also an icy month in Sien, Germany, with an average temperature ranging between max 4°C (39.2°F) and min -1.3°C (29.7°F). Welcoming February, Sien notes an average high-temperature of a still cold 4°C (39.2°F), nearly consistent with January's 2.9°C (37.2°F). Weather in February »
Weather in March
The first month of the spring, March, is a frosty month in Sien, Germany, with an average temperature varying between 9.1°C (48.4°F) and 1.1°C (34°F). The shift from February to March brings an increase in the average high-temperature, moving from an icy 4°C (39.2°F) to a chilly 9.1°C (48.4°F). Weather in March »
Weather in April
April is a refreshing spring month in Sien, Germany, with an average temperature varying between 4.5°C (40.1°F) and 14.6°C (58.3°F). An upsurge in temperatures occurs as March gives way to April, with average highs shifting from a chilly 9.1°C (48.4°F) to a mild 14.6°C (58.3°F). Weather in April »
Weather in May
The last month of the spring, May, is a refreshing month in Sien, Germany, with an average temperature ranging between max 17.5°C (63.5°F) and min 6.8°C (44.2°F). Transitioning into May, Sien records an average high-temperature of an enjoyable 17.5°C (63.5°F), almost identical to April's 14.6°C (58.3°F). Weather in May »
Weather in June
The first month of the summer, June, is an agreeable month in Sien, Germany, with an average temperature fluctuating between 10.3°C (50.5°F) and 21.3°C (70.3°F). June's arrival brings a slight change in high-temperatures, adjusting from a refreshing 17.5°C (63.5°F) in May to a pleasant 21.3°C (70.3°F). Weather in June »
Weather in July
July in Sien, Germany, is a warm summer month, with an average temperature varying between 12.1°C (53.8°F) and 23.5°C (74.3°F). With average high temperatures of 23.5°C (74.3°F) and lows of 12.1°C (53.8°F), July is the warmest month. Weather in July »
Weather in August
August, the last month of the summer in Sien, is also a moderately hot month, with temperature in the range of an average low of 12.7°C (54.9°F) and an average high of 23.4°C (74.1°F). August commences with an average high-temperature of a still moderately hot 23.4°C (74.1°F), showing little deviation from July's 23.5°C (74.3°F). Weather in August »
Weather in September
The first month of the autumn, September, is also an enjoyable month in Sien, Germany, with an average temperature fluctuating between 9.3°C (48.7°F) and 18.9°C (66°F). The commencement of September indicates a gentle shift in the average high-temperature, receding from August's moderately hot 23.4°C (74.1°F) to a refreshing 18.9°C (66°F). Weather in September »
Weather in October
October, the same as September, in Sien, Germany, is another mild autumn month, with an average temperature fluctuating between 13.1°C (55.6°F) and 5.8°C (42.4°F). The shift to October brings a decrease in the average high-temperature, falling from an enjoyable 18.9°C (66°F) in September to a moderate 13.1°C (55.6°F). Weather in October »
Weather in November
The last month of the autumn, November, is another chilly month in Sien, Germany, with an average temperature fluctuating between 2.5°C (36.5°F) and 7.5°C (45.5°F). With the onset of November, Sien's average high-temperature adjusts, receding from October's refreshing 13.1°C (55.6°F) to a frosty 7.5°C (45.5°F). Weather in November »
Weather in December
December, the first month of the winter in Sien, is also a wintry month, with an average temperature varying between 0.1°C (32.2°F) and 4.3°C (39.7°F). As November transitions into December, Sien sees a gentle drop in the average high-temperature, transitioning from a chilly 7.5°C (45.5°F) to an icy 4.3°C (39.7°F). Weather in December »
Updated: Feb 13, 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 is the coldest time of year in Sien?
In Sien, January is the month with the lowest recorded average temperatures, measuring a high of 2.9°C (37.2°F) and a low of -1.3°C (29.7°F).
What is the driest month in Sien?
The month with the least rainfall in Sien, Germany, is January, when the rain falls for 8.3 days and typically collects 20mm (0.79") of precipitation.
How many days does it rain in Sien?
In Sien, Germany, during the entire year, the rain falls for 153.9 days and collects up to 437mm (17.2") of precipitation.
When does it snow in Sien?
Months with snowfall in Sien are January through May, October through December.
How many days does it snow in Sien?
In Sien, Germany, during the entire year, snow falls for 26.8 days and aggregates up to 196mm (7.72") of snow.
What are the months with the lowest UV index in Sien?
January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index.
When does it snow the most in Sien?
The month with the most snowfall is February, when snow falls for 6.8 days and typically aggregates up to 53mm (2.09") of snow.
What is the least humid month in Sien?
April, July and August, with an average relative humidity of 74%, are the least humid months.
When it does not snow in Sien?
June through September are months without snowfall in Sien.
When are the longest days in Sien?
The month with the longest days in Sien is June, with an average of 16h and 12min of daylight.
What are the months with the highest UV index in Sien?
June through August, with an average maximum UV index of 5, are months with the highest UV index in Sien, Germany.
What time of the year is the hottest in Sien?
Sien's warmest month, July, registers temperatures that range from a high of 23.5°C (74.3°F) to a low of 12.1°C (53.8°F).
What is the wettest month in Sien?
July is the month with the most rainfall in Sien, Germany. Rain falls for 18.7 days and accumulates 58mm (2.28") of precipitation.
What month has the most sunshine in Sien?
July has the most sunshine of the year in Sien, Germany, with an average of 9.9h of sunshine.
When is Daylight Saving Time (DST) in Sien?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Sien, Germany, 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 Sien?
December is the most humid month, with an average relative humidity of 91%.
What is the month with the shortest days in Sien?
With an average of 8h and 12min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Sien?
With an average of 3h of sunshine, December has the least sunshine of the year.
Average temperature
Sien, Germany
The warmest month (with the highest average high temperature) is July (23.5°C).
The month with the lowest average high temperature is January (2.9°C).
The month with the highest average low temperature is August (12.7°C).
The coldest months (with the lowest average low temperature) are January and February (-1.3°C).
Average pressure
Sien, Germany
- Average pressure in January:
1017.7mbar - Average pressure in February:
1016.6mbar - Average pressure in March:
1016.6mbar - Average pressure in April:
1015.7mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.7mbar - Average pressure in August:
1016.1mbar - Average pressure in September:
1018mbar - Average pressure in October:
1017.8mbar - Average pressure in November:
1014.4mbar - Average pressure in December:
1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is November (1014.4mbar).
Average wind speed
Sien, Germany
- Average wind speed in January:
11.5km/h - Average wind speed in February:
12.1km/h - Average wind speed in March:
12km/h - Average wind speed in April:
9.9km/h - Average wind speed in May:
9.6km/h - Average wind speed in June:
9.4km/h
- Average wind speed in July:
9.3km/h - Average wind speed in August:
8.8km/h - Average wind speed in September:
9km/h - Average wind speed in October:
9.8km/h - Average wind speed in November:
10.4km/h - Average wind speed in December:
11.9km/h
The windiest month (with the highest average wind speed) is February (12.1km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).
Average humidity
Sien, Germany
The month with the highest relative humidity is December (91%).
The months with the lowest relative humidity are April, July and August (74%).
Average rainfall
Sien, Germany
The wettest month (with the highest rainfall) is July (58mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days
Sien, Germany
- Average rainfall days in January:
8.3 days - Average rainfall days in February:
7.1 days - Average rainfall days in March:
10.5 days - Average rainfall days in April:
11 days - Average rainfall days in May:
17.5 days - Average rainfall days in June:
17.6 days
- Average rainfall days in July:
18.7 days - Average rainfall days in August:
17.9 days - Average rainfall days in September:
13.1 days - Average rainfall days in October:
12.7 days - Average rainfall days in November:
9.7 days - Average rainfall days in December:
9.8 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (7.1 days).
Average snowfall
Sien, Germany
The month with the highest snowfall is February (53mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days
Sien, Germany
- Average snowfall days in January:
7.1 days - Average snowfall days in February:
6.8 days - Average snowfall days in March:
3.2 days - Average snowfall days in April:
0.5 days - Average snowfall days in May:
0.3 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:
2.5 days - Average snowfall days in December:
6.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Sien, Germany
- 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 4min - Average sunshine in March:
5h and 5min - Average sunshine in April:
8h and 4min - Average sunshine in May:
8h and 3min - Average sunshine in June:
9h and 2min
- Average sunshine in July:
9h and 5min - Average sunshine in August:
9h and 5min - Average sunshine in September:
8h and 1min - Average sunshine in October:
5h and 1min - Average sunshine in November:
3h and 4min - Average sunshine in December:
3h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 0min).
Average sunshine days
Sien, Germany
- Average sunshine days in January:
16.7 days - Average sunshine days in February:
15.7 days - Average sunshine days in March:
18.1 days - Average sunshine days in April:
17.2 days - Average sunshine days in May:
11.7 days - Average sunshine days in June:
9.7 days
- Average sunshine days in July:
8.4 days - Average sunshine days in August:
10.2 days - Average sunshine days in September:
13.6 days - Average sunshine days in October:
15.5 days - Average sunshine days in November:
16.6 days - Average sunshine days in December:
14.9 days
The month with the most sunshine days is March (18.1 days).
The month with the least sunshine days is July (8.4 days).
Average UV index
Sien, Germany
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover
Sien, Germany
The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Sien, Germany
The months with the highest visibility are April, June, July and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
