Temperature
Cold by day, cold at night.
Biel/Bienne is usually most comfortable in April and September. Typical daytime highs range from 41–76°F across the year. Rain is frequent in many months.

Cold by day, cold at night.
Some precipitation is expected this month.
Cloudier spells limit sunshine.
Humidity is rarely noticeable in the cool air.
In November, afternoons feel about 42° and nights feel near 36°.
Mostly cloudy skies this month.
Calm winds are typical in November.
November late afternoons are around 45°F, easing to about 42°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 41 | 31 | 3.4 | 13 | 5.3 | 86 |
| Feb | 44 | 31 | 3.1 | 12 | 6.7 | 81 |
| Mar | 52 | 37 | 3.6 | 14 | 8.1 | 75 |
| Apr | 59 | 42 | 4.1 | 15 | 9.9 | 72 |
| May | 66 | 49 | 6.0 | 18 | 10.4 | 75 |
| Jun | 73 | 56 | 5.8 | 17 | 11.5 | 74 |
| Jul | 76 | 59 | 6.0 | 16 | 12.1 | 73 |
| Aug | 75 | 58 | 6.2 | 16 | 10.9 | 77 |
| Sep | 67 | 52 | 4.5 | 14 | 9.0 | 81 |
| Oct | 59 | 46 | 4.3 | 13 | 7.1 | 85 |
| Nov | 48 | 38 | 4.0 | 14 | 5.5 | 87 |
| Dec | 42 | 33 | 4.2 | 14 | 4.7 | 87 |
Similar climates
Want a side-by-side climate view? Compare Biel/Bienne with Amsterdam.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Aug 27, 2026
Data & methodology