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 daylight
- Average sunshine
- Average sunshine days
- Average UV index
- Average cloud cover
- Average visibility
A stand-alone ancient castle in Bonn, Germany, with an urban setting down below
Weather in January
January, like December, in Bonn, Germany, is another cold winter month, with temperature in the range of an average low of -0.3°C (31.5°F) and an average high of 4°C (39.2°F). The coldest month is January, with an average high-temperature of 4°C (39.2°F) and an average low-temperature of -0.3°C (31.5°F). Weather in January »
Weather in February
The last month of the winter, February, is also a wintry month in Bonn, Germany, with an average temperature varying between 5.2°C (41.4°F) and -0.2°C (31.6°F). In February, the average high-temperature is almost the same as in January - a still wintry 5.2°C (41.4°F). Weather in February »
Weather in March
The first month of the spring, March, is a chilly month in Bonn, Germany, with an average temperature ranging between max 9.7°C (49.5°F) and min 2°C (35.6°F). In Bonn, the average high-temperature in March marginally rises from a cold 5.2°C (41.4°F) in February to a chilly 9.7°C (49.5°F). Weather in March »
Weather in April
April in Bonn, Germany, is a moderate spring month, with an average temperature varying between 5°C (41°F) and 15.1°C (59.2°F). In April, the average high-temperature rises from a frosty 9.7°C (49.5°F) in March to a moderate 15.1°C (59.2°F). Weather in April »
Weather in May
May, the last month of the spring in Bonn, is an enjoyable month, with temperature in the range of an average high of 17.8°C (64°F) and an average low of 7.7°C (45.9°F). In Bonn, the average high-temperature in May is essentially the same as in April - a comfortable 17.8°C (64°F). Weather in May »
Weather in June
June, the first month of the summer in Bonn, is an agreeable month, with an average temperature varying between 10.8°C (51.4°F) and 21.3°C (70.3°F). In Bonn, the average high-temperature in June slightly increases from a comfortable 17.8°C (64°F) in May to a pleasant 21.3°C (70.3°F). Weather in June »
Weather in July
July in Bonn, Germany, is a warm summer month, with an average temperature varying between 13°C (55.4°F) and 23.5°C (74.3°F). The warmest month is July, with an average high-temperature of 23.5°C (74.3°F) and an average low-temperature of 13°C (55.4°F). Weather in July »
Weather in August
August, the last month of the summer in Bonn, is another warm month, with an average temperature ranging between min 13.3°C (55.9°F) and max 23.3°C (73.9°F). In August, the average high-temperature is almost the same as in July - a still moderately hot 23.3°C (73.9°F). Weather in August »
Weather in September
September, the first month of the autumn in Bonn, is also an enjoyable month, with an average temperature ranging between max 18.9°C (66°F) and min 9.8°C (49.6°F). In September, the average high-temperature slightly decreases from a moderately hot 23.3°C (73.9°F) in August to a comfortable 18.9°C (66°F). Weather in September »
Weather in October
October, like September, is a moderate autumn month in Bonn, Germany, with an average temperature varying between 14°C (57.2°F) and 6.6°C (43.9°F). In October, the average high-temperature slightly decreases from an enjoyable 18.9°C (66°F) in September to a mild 14°C (57.2°F). Weather in October »
Weather in November
The last month of the autumn, November, is also a frosty month in Bonn, Germany, with an average temperature fluctuating between 8.9°C (48°F) and 3.7°C (38.7°F). In November, the average high-temperature decreases from a mild 14°C (57.2°F) in October to a frosty 8.9°C (48°F). Weather in November »
Weather in December
The first month of the winter, December, is also a wintry month in Bonn, Germany, with an average temperature fluctuating between 1.2°C (34.2°F) and 5.4°C (41.7°F). In December, the average high-temperature slightly decreases from a chilly 8.9°C (48°F) in November to a wintry 5.4°C (41.7°F). Weather in December »
[Resources]FAQ
What is the coldest month in Bonn?
The coldest month is January, with an average high-temperature of 4°C (39.2°F) and an average low-temperature of -0.3°C (31.5°F).
How many days does it rain in Bonn?
In Bonn, Germany, during the entire year, the rain falls for 156 days and collects up to 305mm (12.01") of precipitation.
When does it snow in Bonn?
January through March, November and December are months with snowfall.
How much does it snow in Bonn?
Throughout the year, in Bonn, Germany, there are 19.5 snowfall days, and 98mm (3.86") of snow is accumulated.
When is the lowest UV index in Bonn?
The months with the lowest UV index in Bonn, Germany, are January, February, November and December, with an average maximum UV index of 2.
What is the snowiest month in Bonn?
February is the month with the most snowfall in Bonn. Snow falls for 5.3 days and accumulates 35mm (1.38") of snow.
When is Daylight Saving Time (DST) in Bonn?
On Sunday, 26. March 2023, at 02:00, Daylight Saving Time starts in Bonn, and the time zone changes from CET to CEST. Daylight Saving Time ends on Sunday, 29. October 2023, at 03:00, and the time zone reverts from CEST to CET.
What is the driest month in Bonn?
April and September are months with the least rain in Bonn, Germany, when the rain falls for 11.8 days and typically aggregates up to 17mm (0.67") of rain.
When it does not snow in Bonn?
In Bonn, snow does not fall in April through October.
When are the longest days in Bonn?
The month with the longest days in Bonn, Germany, is June, with an average of 16h and 25min of daylight.
What are the months with the highest UV index in Bonn?
June and July, with an average maximum UV index of 5, are months with the highest UV index in Bonn.
What is the warmest month in Bonn?
With an average high-temperature of 23.5°C (74.3°F) and an average low-temperature of 13°C (55.4°F), July is the warmest month.
What is the least humid month in Bonn?
The months with the lowest humidity in Bonn, Germany, are July and August, with an average relative humidity of 73%.
What month has the most sunshine in Bonn?
July has the most sunshine of the year, with an average of 9.9h of sunshine.
What is the wettest month in Bonn?
The month with the most rainfall in Bonn is August, when the rain falls for 14.3 days and typically aggregates up to 33mm (1.3") of precipitation.
What is the most humid month in Bonn?
With an average relative humidity of 89%, December is the most humid month in Bonn, Germany.
What is the month with the shortest days in Bonn?
With an average of 8h and 3min of daylight, December has the shortest days of the year.
What is the month with the least sunshine in Bonn?
December has the least sunshine of the year, with an average of 3.8h of sunshine.
Average temperature
Bonn, 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 (4°C).
The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (-0.3°C).
Average pressure
Bonn, Germany
- Average pressure in January:
1016.8mbar - Average pressure in February:
1015.9mbar - Average pressure in March:
1016.3mbar - Average pressure in April:
1015.8mbar - Average pressure in May:
1016.1mbar - Average pressure in June:
1016mbar
- Average pressure in July:
1015.5mbar - Average pressure in August:
1015.9mbar - Average pressure in September:
1017.8mbar - Average pressure in October:
1017.2mbar - Average pressure in November:
1013.6mbar - 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 (1013.6mbar).
Average wind speed
Bonn, Germany
- Average wind speed in January:
12.4km/h - Average wind speed in February:
12.8km/h - Average wind speed in March:
12km/h - Average wind speed in April:
10.2km/h - Average wind speed in May:
9.9km/h - Average wind speed in June:
9.7km/h
- Average wind speed in July:
9.3km/h - Average wind speed in August:
8.9km/h - Average wind speed in September:
9.1km/h - Average wind speed in October:
10.5km/h - Average wind speed in November:
11.5km/h - Average wind speed in December:
12.5km/h
The windiest month (with the highest average wind speed) is February (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity
Bonn, Germany
The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall
Bonn, Germany
The wettest month (with the highest rainfall) is August (33mm).
The driest months (with the least rainfall) are April and September (17mm).
Average rainfall days
Bonn, Germany
- Average rainfall days in January:
12.6 days - Average rainfall days in February:
10.4 days - Average rainfall days in March:
13.6 days - Average rainfall days in April:
11.8 days - Average rainfall days in May:
14.7 days - Average rainfall days in June:
14.5 days
- Average rainfall days in July:
15.6 days - Average rainfall days in August:
14.3 days - Average rainfall days in September:
10.5 days - Average rainfall days in October:
11.7 days - Average rainfall days in November:
12.7 days - Average rainfall days in December:
13.6 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is February (10.4 days).
Average snowfall
Bonn, Germany
The month with the highest snowfall is February (35mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average daylight / Average sunshine
Bonn, Germany
- Average daylight in January:
8h and 33min - Average daylight in February:
10h and 4min - Average daylight in March:
11h and 55min - Average daylight in April:
13h and 51min - Average daylight in May:
15h and 32min - Average daylight in June:
16h and 25min
- Average daylight in July:
15h and 59min - Average daylight in August:
14h and 29min - Average daylight in September:
12h and 37min - Average daylight in October:
10h and 43min - Average daylight in November:
8h and 59min - Average daylight in December:
8h and 3min
The month with the longest days is June (Average daylight: 16h and 25min).
The month with the shortest days is December (Average daylight: 8h and 3min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 12min - Average sunshine in March:
6h and 0min - Average sunshine in April:
9h and 0min - Average sunshine in May:
9h and 0min - Average sunshine in June:
9h and 24min
- Average sunshine in July:
9h and 54min - Average sunshine in August:
9h and 48min - Average sunshine in September:
8h and 24min - Average sunshine in October:
5h and 30min - Average sunshine in November:
4h and 42min - Average sunshine in December:
3h and 48min
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 48min).
Average sunshine days
Bonn, Germany
- Average sunshine days in January:
12.8 days - Average sunshine days in February:
11.5 days - Average sunshine days in March:
14 days - Average sunshine days in April:
15.8 days - Average sunshine days in May:
13.1 days - Average sunshine days in June:
12.3 days
- Average sunshine days in July:
13 days - Average sunshine days in August:
13.1 days - Average sunshine days in September:
16.4 days - Average sunshine days in October:
16.5 days - Average sunshine days in November:
14.1 days - Average sunshine days in December:
11.4 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is December (11.4 days).
Average UV index
Bonn, Germany
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
Bonn, Germany
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility
Bonn, Germany
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
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