Biel/Bienne Climate by Month
Biel/Bienne, Bern, Switzerland
Mild summers and cold winters, with rain spread through the year.
Biel/Bienne has mild summers and cold winters, with rain spread through the year. Expect highs of 74°F (24°C) in July and 39°F (4°C) in January, with the coldest nights (January) near 29°F (-2°C). It gets 42 in (1061 mm) of rain a year, spread across the months.
- Warmest month
- 74°F(24°C)
- Average high, July
- Coldest nights
- 29°F(-2°C)
- Average low, January
- Rain per year
- 42 in(1061 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: June
Best and worst months in Biel/Bienne
Best for weatherJuly and August are the best time for weather in Biel/Bienne: highs near 74°F (23°C) and about 4.1 in (104 mm) of rain a month.
Least pleasantDecember and January are the least pleasant; December is the coldest, with highs of only 40°F (4°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in July.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Biel/Bienne weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 39°F(4°C) | 29°F(-2°C) | 2.9 in(73 mm) | 76% | 1.1 |
| FebFebruary | 41°F(5°C) | 29°F(-2°C) | 2.5 in(64 mm) | 72% | 2.0 |
| MarMarch | 50°F(10°C) | 34°F(1°C) | 2.7 in(69 mm) | 67% | 3.1 |
| AprApril | 57°F(14°C) | 39°F(4°C) | 2.8 in(72 mm) | 70% | 4.5 |
| MayMay | 64°F(18°C) | 46°F(8°C) | 4.3 in(109 mm) | 68% | 5.2 |
| JunJune | 71°F(22°C) | 52°F(11°C) | 4.1 in(104 mm) | 70% | 6.1 |
| JulJulyBest | 74°F(24°C) | 55°F(13°C) | 4.1 in(103 mm) | 72% | 6.0 |
| AugAugustBest | 74°F(23°C) | 55°F(13°C) | 4.1 in(104 mm) | 72% | 4.9 |
| SepSeptember | 66°F(19°C) | 49°F(9°C) | 3.6 in(92 mm) | 75% | 3.7 |
| OctOctober | 57°F(14°C) | 43°F(6°C) | 3.7 in(94 mm) | 83% | 2.2 |
| NovNovember | 46°F(8°C) | 35°F(2°C) | 3.4 in(87 mm) | 82% | 1.3 |
| DecDecember | 40°F(4°C) | 31°F(-1°C) | 3.5 in(90 mm) | 86% | 0.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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