Bern Weather

According to the Köppen Climate Classification, Bern has a humid continental climate (Dfb) closely bordering on an oceanic climate (Cfb).

The closest weather station near Bern is located in the municipality of Zollikofen, about 5 kilometres (3 mi) north of the city centre. The warmest month for Bern is July, with a daily mean temperature of 18.3 °C (64.9 °F), and a daily maximum temperature of 24.3 °C (75.7 °F). The highest temperature recorded at Bern / Zollikofen is 37.0 °C (98.6 °F), recorded in August 2003. On average, a temperature of 25 °C (77 °F) or above is recorded 40.7 days per year, and 6 days per year with a temperature of 30 °C (86 °F) or above at Zollikofen, and the warmest day reaches an average of 32.1 °C (89.8 °F).

There are 103.7 days of air frost, and 22.3 ice days per year at Bern (Zollikofen) for the period of 1981–2010, as well as 14.1 days of snowfall, 36.7 days of snow cover per year and the average amount of snow measured per year is 52.6 centimetres (20.7 in). On average, January is the coldest month, with a daily mean temperature of −0.4 °C (31.3 °F), and a daily minimum temperature of −3.6 °C (25.5 °F). The lowest temperature ever recorded at Bern (Zollikofen) was −23.0 °C (−9.4 °F), recorded in February 1929, and typically the coldest temperature of the year reaches an average of −12.8 °C (9.0 °F) for the period of 1981–2010.

Average Temperature
Jan
36 °F
2 °C
Feb
48 °F
9 °C
Mar
50 °F
10 °C
Apr
54 °F
12 °C
May
57 °F
14 °C
Jun
73 °F
23 °C
Jul
75 °F
24 °C
Aug
75 °F
24 °C
Sep
66 °F
19 °C
Oct
59 °F
15 °C
Nov
43 °F
6 °C
Dec
43 °F
6 °C
Humidity
Jan
72%
Feb
68%
Mar
63%
Apr
73%
May
73%
Jun
69%
Jul
69%
Aug
74%
Sep
75%
Oct
80%
Nov
81%
Dec
78%
Rain
Jan
27mm
Feb
17mm
Mar
33mm
Apr
39mm
May
53mm
Jun
54mm
Jul
74mm
Aug
63mm
Sep
29mm
Oct
91mm
Nov
55mm
Dec
53mm
Clouds
Jan
63%
Feb
43%
Mar
55%
Apr
59%
May
55%
Jun
31%
Jul
52%
Aug
47%
Sep
53%
Oct
77%
Nov
80%
Dec
74%
Air quality US AQI
Jan
5
Feb
5
Mar
4
Apr
4
May
4
Jun
3
Jul
3
Aug
4
Sep
3
Oct
4
Nov
5
Dec
5
Sun
Jan
1UVI
Feb
2UVI
Mar
3UVI
Apr
4UVI
May
5UVI
Jun
7UVI
Jul
7UVI
Aug
6UVI
Sep
4UVI
Oct
3UVI
Nov
1UVI
Dec
1UVI