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Bonn weather in January

Weather in Bonn: January

Average day temperature: 40.4°F
Average night temperature: 35.5°F
Number of sunny days: 5 days
Day length: 8.1 - 9.2 hours
Number of rainy days: 4 days
Precipitation totals: 2.1 in.

Air temperature in January, °F

Show year:
2025
2024
2023

The highest day temperature during January of 2025 was 54°F. At the same time the lowest night temperature was 23°F. Daily and nightly averages during January were 40.9°F and 36.4°F.

Sunny, partly cloudy and cloudy days

Mostly all days in January are cloudy but sunny and partly cloudy days are also possible.

Precipitation total in January, in.

Precipitation total value in Bonn in January is 1.9 in. Other months of the year show relatively similar values.

Wind speed in January, mph

The average wind speed value in January is 7.7 mph It makes January one of the most windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in January is: 2.6.

Best time for vacation in Bonn

Sunniest months:
August 13 days
September 12 days
June 11 days
Warmest months:
August 75.0 °F
July 74.3 °F
June 72.0 °F
Coldest months:
January 40.4 °F
December 43.1 °F
February 43.4 °F
Rainiest months:
June 4 days
May 4 days
July 4 days
Windiest months:
February 8.2 mph
January 8.2 mph
December 8.1 mph

Bonn on a weather map

Bonn
+41°F
NW 2 mph
Feels like: +39°F
Precip.: 0%
Places in Germany:
Name
°F
+34°F
+37°F
+34°F
+34°F
+39°F
+43°F
+41°F
+34°F
+36°F
+34°F
+34°F
+34°F
+34°F
+36°F
+37°F
24 Hours Forecast
Bonn
Local time: 04:35
December 05, friday
0600
41°F
NW
2 mph
0900
41°F
N
2 mph
1200
43°F
NW
2 mph
1500
45°F
NW
4 mph
1800
39°F
N
6 mph
2100
43°F
N
7 mph
December 06, saturday
0000
41°F
NW
9 mph
0300
43°F
N
11 mph
Units of measurement: °C / °F