Herisau in January
4.0out of 10
Not the best time
Cold: highs around 3°C. Frequent rain: about 13 rainy days.
3°CAvg high
-2°CAvg low
13Rainy days (88 mm)
8:40 hDaylight
08:12Sunrise · 16:52 Sunset
Why this score
- Cold: highs around 3°C
- Frequent rain: about 13 rainy days
- Nights fall to about -2°C
- Rain varies a lot between years (±5.4 days)
What to wear and pack
- Winter coat, hat and scarf
- Rain jacket or compact umbrella
- Gloves for freezing mornings
How reliable is the forecast?
Rain in January varies a lot between years (±5.4 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 3°C | -2°C | 88 mm | 13 | – | – | 4.0 |
| February | 4°C | -2°C | 80 mm | 12 | – | – | 4.3 |
| March | 9°C | 1°C | 100 mm | 15 | – | – | 4.8 |
| April | 13°C | 5°C | 102 mm | 15 | – | – | 5.6 |
| May | 17°C | 10°C | 155 mm | 17 | – | – | 5.7 |
| June | 21°C | 13°C | 172 mm | 17 | – | – | 6.1 |
| July | 23°C | 15°C | 174 mm | 18 | – | – | 6.3 |
| August | 22°C | 15°C | 176 mm | 17 | – | – | 6.4 |
| September | 18°C | 11°C | 127 mm | 14 | – | – | 6.4 |
| October | 13°C | 7°C | 103 mm | 13 | – | – | 5.8 |
| November | 7°C | 3°C | 103 mm | 13 | – | – | 4.9 |
| December | 4°C | -1°C | 105 mm | 14 | – | – | 3.9 |
Frequently asked questions
How hot is Herisau in January?
Daytime highs average 3°C and nights about -2°C.
When is the best time to visit Herisau?
The best months are August, September, July, June.