Climate and monthly weather forecastSiegen, Germany

Climate and monthly weather forecast

Weather in January

January, the same as December, is an icy winter month in Siegen, Germany, with an average temperature varying between -2°C (28.4°F) and 2.2°C (36°F). January is the coldest month of the year, registering average temperatures as high as 2.2°C (36°F) and as low as -2°C (28.4°F). Weather in January »

Weather in February

The last month of the winter, February, is another cold month in Siegen, Germany, with an average temperature varying between 3.2°C (37.8°F) and -2°C (28.4°F). February denotes a minimal variation in the average high-temperature to a still cold 3.2°C (37.8°F) from January's 2.2°C (36°F). Weather in February »

Weather in March

The first month of the spring, March, is a chilly month in Siegen, Germany, with an average temperature varying between 0.6°C (33.1°F) and 7.8°C (46°F). The commencement of March sees a minor shift in the average high-temperature, moving from a cold 3.2°C (37.8°F) in February to a chilly 7.8°C (46°F). Weather in March »

Weather in April

April is a refreshing spring month in Siegen, Germany, with temperature in the range of an average high of 13.6°C (56.5°F) and an average low of 3.6°C (38.5°F). With the onset of April, Siegen's weather sees a temperature rise, transitioning from a frosty 7.8°C (46°F) in March to a mild 13.6°C (56.5°F). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Siegen, Germany, with an average temperature ranging between min 6°C (42.8°F) and max 16.4°C (61.5°F). As May takes hold, the average high-temperature is an enjoyable 16.4°C (61.5°F), nearly mirroring that of the previous month. Weather in May »

Weather in June

June, the first month of the summer in Siegen, is an agreeable month, with an average temperature fluctuating between 9.3°C (48.7°F) and 20°C (68°F). The start of June brings a subtle rise in the average high-temperature, moving from a refreshing 16.4°C (61.5°F) in May to an agreeable 20°C (68°F). Weather in June »

Weather in July

July, like June, is another pleasant summer month in Siegen, Germany, with an average temperature varying between 21.9°C (71.4°F) and 11.1°C (52°F). July, with an average high of 21.9°C (71.4°F) and a low of 11.1°C (52°F), signifies the warmest month of the year. Weather in July »

Weather in August

August, the last month of the summer in Siegen, is another pleasant month, with temperature in the range of an average low of 11.3°C (52.3°F) and an average high of 21.8°C (71.2°F). August denotes a minimal variation in the average high-temperature to a still pleasant 21.8°C (71.2°F) from July's 21.9°C (71.4°F). Weather in August »

Weather in September

September, the first month of the autumn in Siegen, is also an enjoyable month, with an average temperature varying between 8.3°C (46.9°F) and 17.5°C (63.5°F). Siegen's progression into September involves a gentle drop in the average high-temperature, from a pleasant 21.8°C (71.2°F) in August to an enjoyable 17.5°C (63.5°F). Weather in September »

Weather in October

October, the same as September, is a cool autumn month in Siegen, Germany, with an average temperature fluctuating between 12.3°C (54.1°F) and 5.1°C (41.2°F). The onset of October results in a decrease in the average high-temperature, receding from an enjoyable 17.5°C (63.5°F) in September to a cool 12.3°C (54.1°F). Weather in October »

Weather in November

November, the last month of the autumn in Siegen, is also a frosty month, with temperature in the range of an average low of 2.2°C (36°F) and an average high of 6.9°C (44.4°F). November's arrival corresponds with a decrease in average high-temperatures, from October's fresh 12.3°C (54.1°F) to a chilly 6.9°C (44.4°F). Weather in November »

Weather in December

The first month of the winter, December, is also an icy month in Siegen, Germany, with temperature in the range of an average high of 3.7°C (38.7°F) and an average low of -0.6°C (30.9°F). The advent of December brings a slight shift in average high-temperature, moving from a frosty 6.9°C (44.4°F) in November to a wintry 3.7°C (38.7°F). Weather in December »

Frequently asked questions

January, noted for its average high-temperature of 2.2°C (36°F) and an average low-temperature of -2°C (28.4°F), is considered the coldest month.

In Siegen, Germany, during the entire year, the rain falls for 183.6 days and collects up to 635mm (25") of precipitation.

Months with snowfall in Siegen, Germany, are January through May, October through December.

The month with the most snowfall is January, when snow falls for 11.5 days and typically aggregates up to 116mm (4.57") of snow.

In Siegen, during the entire year, snow falls for 38.7 days and aggregates up to 414mm (16.3") of snow.

With an average relative humidity of 77%, April is the least humid month.

April is the month with the least rainfall in Siegen, Germany. Rain falls for 14.2 days and accumulates 33mm (1.3") of precipitation.

In Siegen, Germany, snow does not fall in June through September.

With an average of 16h and 24min of daylight, June has the longest days of the year in Siegen, Germany.

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

During the warmest month in Siegen, July, temperatures average a high of 21.9°C (71.4°F) and a low of 11.1°C (52°F).

With an average of 9.1h of sunshine, August has the most sunshine of the year.

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

The months with the lowest UV index in Siegen, Germany, are November and December, with an average maximum UV index of 1.

With an average relative humidity of 93%, December is the most humid month.

December is the month with the most rainfall. Rain falls for 15.5 days and accumulates 74mm (2.91") of precipitation.

December has the shortest days of the year in Siegen, with an average of 8h and 0min of daylight.

The month with the least sunshine in Siegen is December, with an average of 2.4h of sunshine.

Average temperature
Siegen, Germany

The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (2.2°C).

The month with the highest average low temperature is August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-2°C).

Average pressure
Siegen, Germany

The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.8mbar).

Average wind speed
Siegen, Germany

The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).

Average humidity
Siegen, Germany

The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (77%).

Average rainfall
Siegen, Germany

The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).

Average rainfall days
Siegen, Germany

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.7 days).

Average snowfall
Siegen, Germany

The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days
Siegen, Germany

The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight / Average sunshine
Siegen, Germany

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).

Average sunshine days
Siegen, Germany

The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is December (8.4 days).

Average UV index
Siegen, Germany

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are November and December (UV index 1).

Average cloud cover
Siegen, Germany

The month with the most cloud cover is December (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 44).

Average visibility
Siegen, Germany

The months with the highest visibility are March, April, May, June, July and August (8km).
The months with the lowest visibility are January, November and December (6km).