Sun Prairie in January
4.0out of 10
Not the best time
Cold: highs around -3°C. Some rain: about 8 rainy days.
-3°CAvg high
-10°CAvg low
8Rainy days (40 mm)
9:09 hDaylight
07:32Sunrise · 16:40 Sunset
Why this score
- Cold: highs around -3°C
- Some rain: about 8 rainy days
- Nights fall to about -10°C
What to wear and pack
- Winter coat, hat and scarf
- Gloves for freezing mornings
How reliable is the forecast?
Rainfall in January is fairly consistent from year to year (2.8 days). 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 | -10°C | 40 mm | 8 | – | – | 4.0 |
| February | 0°C | -9°C | 40 mm | 6 | – | – | 4.2 |
| March | 7°C | -3°C | 60 mm | 9 | – | – | 5.1 |
| April | 14°C | 3°C | 99 mm | 12 | – | – | 6.2 |
| May | 21°C | 10°C | 101 mm | 12 | – | – | 7.2 |
| June | 26°C | 15°C | 109 mm | 12 | – | – | 7.3 |
| July | 28°C | 18°C | 87 mm | 10 | – | – | 7.7 |
| August | 26°C | 17°C | 94 mm | 10 | – | – | 7.6 |
| September | 23°C | 12°C | 78 mm | 9 | – | – | 7.9 |
| October | 15°C | 6°C | 74 mm | 9 | – | – | 6.9 |
| November | 7°C | -1°C | 54 mm | 8 | – | – | 5.4 |
| December | 0°C | -7°C | 47 mm | 7 | – | – | 4.1 |
Frequently asked questions
How hot is Sun Prairie in January?
Daytime highs average -3°C and nights about -10°C.
When is the best time to visit Sun Prairie?
The best months are September, July, August.