Monthly climate in Bern, Switzerland

Last updated: May 6, 2024

Under the Köppen–Geiger climate classification Bern features a oceanic climate (Cfb).Temperatures typically range between 1 °C (34 °F) and 20 °C (68 °F) through the year, but rarely can drop to -14 °C (6 °F) or can rise to as high as 36 °C (97 °F).The average annual precipitation amounts to about 1092 mm (43.0 inches) and receives 159 rainy days on the 1 mm (0.04 inches) threshold annually.Bern enjoys an average of 3618 hours of sunshine throughout the year, and daylight varies from 8 hours 33 minutes to 15 hours 48 minutes per day.

Monthly average temperatures in Bern, Switzerland §

The warmest months in Bern are June, July and August, with daily mean temperatures ranging from 18 to 20 °C (65 - 68 °F) throughout the day. The coldest temperatures usually occur in January, February and December, when daily mean temperatures range from 1 to 4 °C (34 - 39 °F) throughout the day. On average each year, Bern experiences 43 days above 25 °C (77.0 °F) and 73 days below 0 °C (32.0 °F).

Monthly average temperatures with daily means, minimums and maximums for period, average high and low temperatures in Bern, Switzerland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to June 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Maximum 17°C
(63°F)
18°C
(65°F)
21°C
(70°F)
25°C
(78°F)
30°C
(86°F)
34°C
(94°F)
36°C
(97°F)
34°C
(93°F)
29°C
(84°F)
23°C
(73°F)
20°C
(69°F)
14°C
(57°F)
Mean maximum 11°C
(52°F)
16°C
(60°F)
18°C
(65°F)
23°C
(73°F)
26°C
(80°F)
29°C
(84°F)
32°C
(89°F)
32°C
(90°F)
27°C
(81°F)
21°C
(71°F)
17°C
(62°F)
13°C
(55°F)
Average high 4°C
(40°F)
8°C
(46°F)
11°C
(52°F)
15°C
(60°F)
18°C
(65°F)
23°C
(74°F)
25°C
(77°F)
25°C
(77°F)
20°C
(69°F)
15°C
(60°F)
8°C
(47°F)
5°C
(41°F)
Daily mean 1°C
(34°F)
4°C
(39°F)
6°C
(43°F)
10°C
(50°F)
13°C
(56°F)
18°C
(65°F)
20°C
(68°F)
19°C
(67°F)
15°C
(60°F)
11°C
(51°F)
5°C
(41°F)
2°C
(37°F)
Average low -2°C
(29°F)
-0°C
(32°F)
2°C
(35°F)
4°C
(40°F)
8°C
(48°F)
13°C
(56°F)
14°C
(58°F)
14°C
(58°F)
11°C
(52°F)
7°C
(44°F)
2°C
(36°F)
-0°C
(32°F)
Mean minimum -7°C
(20°F)
-6°C
(21°F)
-4°C
(24°F)
-3°C
(27°F)
2°C
(36°F)
7°C
(45°F)
10°C
(50°F)
9°C
(48°F)
5°C
(41°F)
1°C
(34°F)
-3°C
(27°F)
-5°C
(23°F)
Minimum -14°C
(6°F)
-11°C
(13°F)
-13°C
(8°F)
-5°C
(23°F)
-2°C
(28°F)
6°C
(42°F)
9°C
(49°F)
8°C
(47°F)
3°C
(38°F)
-2°C
(29°F)
-4°C
(25°F)
-6°C
(21°F)

Compare climate in Bern with other places

Compare temperature, precipitation, sunshine, UV index in Bern, Switzerland with other places around the world.

Monthly average precipitation in Bern, Switzerland §

Bern usually has the most precipitation in May, July and December, with an average of 16 rainy days and 119 mm (4.7 inches) of precipitation per month.The driest months in Bern are April, September and November. On average, 65 mm (2.6 inches) of precipitation falls during these months.

Monthly average precipitation and precipitation days in Bern, Switzerland.Generated using Copernicus Climate Change Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Average precipitation mm (inches) 91 (3.6) 74 (2.9) 91 (3.6) 61 (2.4) 126 (5.0) 93 (3.7) 104 (4.1) 98 (3.8) 61 (2.4) 95 (3.7) 72 (2.8) 125 (4.9)
Average precipitation days (≥ 1 mm) 12 11 15 10 16 15 14 12 11 13 12 18

Monthly sunshine hours in Bern, Switzerland §

The sunniest months in Bern are June, July and August, when the sun shines an average of 12 hours 56 minutes a day.Least sunny months in Bern: January, November and December receive an average of 6 hours 11 minutes of sunshine daily.

Mean monthly sunshine duration, average sunshine hours per day and mean daily daylight hours in Bern, Switzerland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2017 to January 2022.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Mean monthly sunshine hours 161 226 297 357 369 387 417 385 324 281 223 185
Mean daily daylight hours 8h 58m 10h 17m 11h 56m 13h 37m 15h 4m 15h 48m 15h 25m 14h 7m 12h 30m 10h 49m 9h 20m 8h 33m

Solar UV radiation in Bern, Switzerland §

Bern experiences the highest level of ultraviolet (UV) radiation in June, July and August, when the maximum UV index can reach values of 8 - 9, which corresponds to the Very High category of sun exposure.January, November and December are in the Low exposure category. In these months, the maximum values of the UV index do not exceed 2. For more detailed information, check out our hourly Bern UV Index data.

Average daily maximum UV levels by month for Bern, Switzerland.Generated using Copernicus Atmosphere Monitoring Service information.Data for period from January 2022 to January 2023.
  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
UV Index (month maximum) 2 3 5 6 8 9 9 8 6 4 2 2