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 »Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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
- Average pressure in January:
1016.8mbar - Average pressure in February:
1015.9mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1015.9mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1015.9mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1015.9mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1017.4mbar - Average pressure in November:
1013.8mbar - Average pressure in December:
1017.1mbar
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
- Average wind speed in January:
12.4km/h - Average wind speed in February:
12.7km/h - Average wind speed in March:
12.2km/h - Average wind speed in April:
10.3km/h - Average wind speed in May:
9.9km/h - Average wind speed in June:
9.6km/h
- Average wind speed in July:
9.1km/h - Average wind speed in August:
8.7km/h - Average wind speed in September:
9km/h - Average wind speed in October:
10.2km/h - Average wind speed in November:
11.1km/h - Average wind speed in December:
12.4km/h
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
- Average rainfall days in January:
12.2 days - Average rainfall days in February:
10.7 days - Average rainfall days in March:
14.5 days - Average rainfall days in April:
14.2 days - Average rainfall days in May:
19 days - Average rainfall days in June:
17.5 days
- Average rainfall days in July:
18.8 days - Average rainfall days in August:
17.7 days - Average rainfall days in September:
15.1 days - Average rainfall days in October:
14.4 days - Average rainfall days in November:
14 days - Average rainfall days in December:
15.5 days
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
- Average snowfall days in January:
11.5 days - Average snowfall days in February:
8.9 days - Average snowfall days in March:
5.3 days - Average snowfall days in April:
1.3 days - Average snowfall days in May:
0.2 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:
0.2 days - Average snowfall days in November:
2.8 days - Average snowfall days in December:
8.5 days
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
- Average daylight in January:
8h and 30min - Average daylight in February:
10h and 0min - Average daylight in March:
11h and 54min - Average daylight in April:
13h and 54min - Average daylight in May:
15h and 30min - Average daylight in June:
16h and 24min
- Average daylight in July:
16h and 0min - Average daylight in August:
14h and 30min - Average daylight in September:
12h and 36min - Average daylight in October:
10h and 42min - Average daylight in November:
9h and 0min - Average daylight in December:
8h and 0min
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).
- Average sunshine in January:
2h and 36min - Average sunshine in February:
3h and 6min - Average sunshine in March:
5h and 6min - Average sunshine in April:
8h and 12min - Average sunshine in May:
8h and 12min - Average sunshine in June:
8h and 18min
- Average sunshine in July:
9h and 0min - Average sunshine in August:
9h and 6min - Average sunshine in September:
7h and 30min - Average sunshine in October:
4h and 24min - Average sunshine in November:
3h and 24min - Average sunshine in December:
2h and 24min
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
- Average sunshine days in January:
10.5 days - Average sunshine days in February:
10.3 days - Average sunshine days in March:
12.3 days - Average sunshine days in April:
13.3 days - Average sunshine days in May:
10 days - Average sunshine days in June:
9.4 days
- Average sunshine days in July:
10 days - Average sunshine days in August:
11.1 days - Average sunshine days in September:
12.5 days - Average sunshine days in October:
13.8 days - Average sunshine days in November:
11.5 days - Average sunshine days in December:
8.4 days
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).





