Monthly climate averages for Cernier, Switzerland. Based on 10-year ERA5 reanalysis data.
Cfb Oceanic
Climate OverviewCernier, Switzerland in August has warm conditions, with highs averaging 22.6°C (73°F). Rain falls on about 14 days this month.
This month falls at the end of Summer.
Temperatures remain fairly steady throughout August, with daily highs around 22°C (72°F).
August sees fairly even rainfall, totalling about 119 mm across the month.
Expect around 11.4h of sunshine at the start of August, decreasing to 9.7h by the end.
The warmest days tend to fall around the 13th, averaging 24.2°C (76°F).
Compared to July, this month is about 0°C cooler with 2 fewer rainy days. Temperatures begin dropping heading into September.
Daily averages based on historical data (2016–2025)
Daytime temperatures around 23°C (73°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.
Wet weather can spread across much of the day, so it is best to keep outdoor plans flexible.
2 of the last 5 yearly records were warmer than this month's long-run average.
| Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | 4°C / -2°C | 0°C / -6°C | 15days (126 mm) Wet | 5h Fair | 86% Very Muggy | 1.5 Low | Poor | View Details |
| February | 6°C / -1°C | 3°C / -5°C | 13days (84 mm) Wet | 6.5h Fair | 82% Humid | 2.2 Moderate | Poor | View Details |
| March | 9°C / 1°C | 6°C / -3°C | 14days (94 mm) Wet | 8.3h Good | 77% Humid | 3.7 Moderate | Poor | View Details |
| April | 13°C / 4°C | 10°C / 1°C | 14days (99 mm) Wet | 10.3h Excellent | 74% Muggy | 5 Moderate | Fair | View Details |
| May | 16°C / 7°C | 15°C / 5°C | 18days (155 mm) Wet | 10.5h Excellent | 78% Humid | 5.5 High | Wet | View Details |
| June best | 21°C / 12°C | 22°C / 12°C | 18days (140 mm) Wet | 12h Excellent | 76% Humid | 6.6 High | Wet | View Details |
| July best | 22°C / 14°C | 23°C / 14°C | 16days (137 mm) Wet | 12.3h Excellent | 73% Muggy | 6.4 High | Excellent | View Details |
| August best | 23°C / 14°C | 23°C / 14°C | 14days (120 mm) Wet | 11.2h Excellent | 76% Humid | 5.9 High | Excellent | View Details |
| September best | 18°C / 11°C | 18°C / 10°C | 12days (106 mm) Wet | 9.2h Good | 80% Humid | 4.3 Moderate | Good | View Details |
| October | 14°C / 7°C | 13°C / 5°C | 14days (108 mm) Wet | 7.2h Good | 84% Humid | 2.9 Moderate | Fair | View Details |
| November | 8°C / 2°C | 5°C / -1°C | 15days (115 mm) Wet | 5.5h Fair | 88% Very Muggy | 1.7 Low | Poor | View Details |
| December | 5°C / -1°C | 2°C / -4°C | 15days (120 mm) Wet | 4.7h Fair | 88% Very Muggy | 1.3 Low | Poor | View Details |
Dress in layers — a mix of long sleeves, light sweaters, and a versatile jacket works best for changeable conditions.
A waterproof jacket or compact umbrella is recommended for occasional showers.
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