Climate averages 1991–2020

Bern weather
in July.

A mild, wet month: one of the warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 21.8°C Daytime mean, July

Average low 12.9°C Night-time mean, July

Rainfall 104 mm 14 days with ≥1 mm

Daylight 15 h Sunrise to sunset, per day

July is a mild month in Bern: daytime highs average 21.8°C and nights cool to about 12.9°C. By daytime temperature it is one of the warmest months of the year.

Expect about 104 mm of rain on roughly 14 days, which makes July a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 15 h 29 min on an average July day.

The nearest other city in this atlas is Luzern (66 km away). In July its highs average 23.1°C, 1.2°C warmer than Bern, with 212 mm of rain.

Among the 8 cities listed in Switzerland, Bern ranks 7th of 8 for the warmest July highs and 1st of 8 for the driest July (rainfall, lowest first). The mean July high of those 8 cities is 23.0°C; Bern is 1.2°C cooler than that mean.

From July to August, average highs fall by 0.1°C to 21.8°C, and monthly rainfall falls from 104 mm to 101 mm.

The annual picture

July in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Bern climate table

1991–2020

Monthly climate averages for Bern, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January	3.8°C-3.3°C	-3.3°C	80	12.8	9.09 h
February	4.9°C-3.3°C	-3.3°C	73	11.7	10.310 h
March	8.8°C-0.2°C	-0.2°C	84	13.3	11.912 h
April	12.5°C2.7°C	2.7°C	90	13.6	13.614 h
May	16.3°C7.0°C	7.0°C	117	15.4	15.015 h
June	19.8°C10.8°C	10.8°C	106	14.7	15.816 h
July, selected	21.8°C12.9°C	12.9°C	104	13.5	15.515 h
August	21.8°C13.1°C	13.1°C	101	13.3	14.214 h
September	17.7°C9.6°C	9.6°C	88	11.8	12.613 h
October	13.9°C5.8°C	5.8°C	84	11.9	10.911 h
November	8.1°C1.0°C	1.0°C	90	12.6	9.49 h
December	4.4°C-2.1°C	-2.1°C	93	13.5	8.69 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

July in nearby cities

Distance from Bern

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Bern) is explained once on the Bern year overview and on the Sources, method and limits page.