Weather in Bern in August 2025
- August is usually the hottest month of the year in Bern;
Average weather
Average temperature in Bern in August
The temperature in August is +26°C on average, with a range between a maximum of +35°C during the day and a minimum of +10°C at night.
The average maximum temperature goes up 4% by the end of the month, compared with the beginning of the month, from +20°C to +21°C.
Is Bern warm or cold in August?
Bern is typically warm in August.
Maximum temperatures go up compared to the previous month from +24°C to +24°C. The minimum temperature also goes down from +14°C to +13°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
August is the hottest month in Bern, here is the comparison with other months:
Climate in Bern in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +24°C | +24°C | +20°C | ||||
| Min. temperature | ||||||
| +6°C | +5°C | +1°C | ||||
| Max. temperature | ||||||
| +36°C | +35°C | +32°C | ||||
| Rainfall | ||||||
| 164 mm | 152 mm | 116 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 1 m/s | ||||
| Humidity | ||||||
| 72% | 75% | 79% | ||||
| Air pressure | ||||||
| 1017 HPa | 1017 HPa | 1017 HPa | ||||
| Sunny days | ||||||
| 6 | 6 | 6 | ||||
| Cloudy days | ||||||
| 4 | 5 | 8 | ||||
| Rainy days | ||||||
| 17 | 17 | 16 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August typically has worse weather conditions compared to July. The temperature levels stay the same in the area of +24°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 164 mm to 152 mm. Humidity rises from 72% to 75%. The average wind speed doesn’t change much during August, staying around 1 m/s. The amount of sunny days stay about the same, averaging 6 sunny days during the month.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in Bern is gradually decreasing during August, going from 3 m/s to 2 m/s over the course of the month.
Rain
How was the weather last August in Bern?
Climate Change over Years
The climate in Bern in August has not changed much over the last 43 years.
The average temperature was the lowest in 1980 (+12°C) and the highest in 2022 (+17°C). The driest year was 2003 with only 973 mm of rainfall, and the wettest year was 2002 with 1659 mm.
FAQ
Is August a good time to visit Bern?
Can you sunbathe in Bern in August?
Is Bern rainy in August?
Is it sunny in Bern in August?
Other cities in Switzerland
Monthly weather in Bern
Source of the data
For this page, we’ve looked at the typical weather in Bern, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.