Weather by month for Bern, the best months to go and how Switzerland's regions differ, scored from 10 years of climate data.
Aug, Sep
The highest month scores: comfortable temperatures, little rain and plenty of sun.
Highs 19°C to 24°C · 11–13 rain days
May, Jun, Jul
Still good weather, just not quite the top months.
Highs 17°C to 24°C · 15–17 rain days
Jan, Feb, Mar, Nov, Dec
The weakest weather of the year: too hot, too cold or too wet.
Highs 4°C to 10°C · 12–14 rain days
Weather by month
Average highs and lows, rain days, sunshine and our month score out of 10.
| Month | High / low | Rain days | Sunshine | Score |
|---|---|---|---|---|
| January | 4°C / -3°C | 14 days (96 mm) | 5.2 h/day | 1.4/10 |
| February | 7°C / -1°C | 12 days (71 mm) | 6.5 h/day | 2.2/10 |
| March | 10°C / 0°C | 14 days (80 mm) | 8.2 h/day | 3.3/10 |
| April | 14°C / 3°C | 13 days (94 mm) | 10.0 h/day | 5.3/10 |
| May | 17°C / 8°C | 17 days (142 mm) | 10.2 h/day | 6.5/10 |
| June | 22°C / 13°C | 16 days (135 mm) | 11.7 h/day | 7.0/10 |
| July | 24°C / 14°C | 15 days (115 mm) | 12.5 h/day | 7.1/10 |
| Best month: August | 24°C / 14°C | 13 days (111 mm) | 10.9 h/day | 7.5/10 |
| Best month: September | 19°C / 10°C | 11 days (88 mm) | 9.7 h/day | 7.8/10 |
| October | 15°C / 6°C | 12 days (96 mm) | 7.5 h/day | 5.9/10 |
| November | 8°C / 1°C | 13 days (100 mm) | 5.6 h/day | 2.0/10 |
| December | 5°C / -1°C | 14 days (105 mm) | 5.0 h/day | 1.6/10 |
Figures for Bern; the country's best months are weighted across its cities. Best months are highlighted. How we score months
Month by month
4°C / -3°C · 14 rain days · 5.2 h sun
January has the lowest score of the year, 1.4, and our verdict is avoid. In Bern the high is only about 4°C, lows fall to -2.7°C, and there are 14.3 wet days. You get just 5.2 hours of sun a day, so days feel short and grey.
7°C / -1°C · 12 rain days · 6.5 h sun
February is still an avoid month, with a score of 2.2. Bern warms a little to a high of 6.9°C, but nights stay below freezing at -1.4°C. There are 12 rain days and 6.5 hours of sun a day.
10°C / 0°C · 14 rain days · 8.2 h sun
March scores 3.3, so our verdict is still avoid. Highs reach 10.1°C in Bern, but nights stay near 0.4°C and there are 13.5 rain days. Wait until April if your dates are flexible.
14°C / 3°C · 13 rain days · 10.0 h sun
April is the first ok month, with a score of 5.3. Bern's high rises to 13.7°C and sun reaches 10 hours a day. Expect 12.8 rain days and cool nights of 3.2°C, so pack warm layers.
17°C / 8°C · 17 rain days · 10.2 h sun
May is good, with a score of 6.5 and highs of 16.9°C. It is also the wettest month in Bern, with 17 rain days and 142 mm of rain. Plan some indoor options for wet afternoons.
22°C / 13°C · 16 rain days · 11.7 h sun
June scores 7 and our verdict is good. Highs reach 22.1°C and you get 11.7 hours of sun a day. Rain is still common, with 15.9 rain days and 135 mm in the month.
24°C / 14°C · 15 rain days · 12.5 h sun
July is good, with a score of 7.1. It is the warmest month in Bern, with a high of 24.4°C, and the sunniest, with 12.5 hours of sun a day. Expect 14.5 rain days, so carry a rain jacket.
24°C / 14°C · 13 rain days · 10.9 h sun
August is one of the best months, with a score of 7.5. Highs stay warm at 24.1°C, nights are mild at 14.1°C, and rain days drop to 12.6. You still get 10.9 hours of sun a day.
19°C / 10°C · 11 rain days · 9.7 h sun
September has the top score of the year, 7.8, and a verdict of best. Highs are a comfortable 19.4°C and it has the fewest rain days, 11. You still get 9.7 hours of sun a day.
15°C / 6°C · 12 rain days · 7.5 h sun
October drops back to ok, with a score of 5.9. Highs fall to 14.7°C and sun to 7.5 hours a day, but rain days stay fairly low at 11.8. It can still work if you pack warm layers.
8°C / 1°C · 13 rain days · 5.6 h sun
November is a bad time to go, with a score of 2 and a verdict of avoid. Highs are only 8.3°C, there are 12.9 rain days, and sun drops to 5.6 hours a day. Expect cold, damp and grey weather.
5°C / -1°C · 14 rain days · 5.0 h sun
December is also one to avoid, with a score of 1.6. Bern has a high of 5.4°C, lows of -1.4°C and 13.5 rain days. It also has the least sun of the year, at 5 hours a day.
By trip type
City sightseeing
September is the best month for city breaks. Bern averages highs of 19.4°C and only 11 rain days, the fewest of the year. August is warmer at 24.1°C, with 12.6 rain days and 10.9 hours of sun a day.
Hiking & nature
September and August suit hiking best. August in Bern has 10.9 sun hours a day and mild lows of 14.1°C. September is cooler, with highs of 19.4°C and 88 mm of rain. These figures are for Bern, so expect colder weather higher up.
Keep planning
FAQ
Yes. September is the best month to visit, with the top score of the year at 7.8 out of 10. In Bern, days reach about 19.4°C and nights fall to about 10.2°C. It has the fewest rain days of any month, about 11, with 88 mm of rain. You still get about 9.7 hours of sun a day.
Yes. August is one of the 2 best months, with a score of 7.5. It is one of the warmest months in Bern, with highs of about 24.1°C and lows of about 14.1°C. There are about 12.6 rain days and 111 mm of rain. You get about 10.9 hours of sun a day.
May is good, but expect rain. It scores 6.5, yet it is the wettest month in Bern, with about 17 rain days and 142 mm of rain. Days are mild at about 16.9°C, with about 10.2 hours of sun. If dry weather matters most, choose September instead.
We suggest you avoid January if you want good weather. It has the lowest score of the year at 1.4. In Bern, highs are only about 4.1°C and lows drop to about -2.7°C. There are about 14.3 rain days and only about 5.2 hours of sun a day. December and February are also rated avoid.
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