Sun Prairie in August
7.6out of 10
Yes, a good time to go
Warm and comfortable: highs around 26°C. Frequent rain: about 10 rainy days.
26°CAvg high
17°CAvg low
10Rainy days (94 mm)
13:46 hDaylight
06:08Sunrise · 19:54 Sunset
Why this score
- Warm and comfortable: highs around 26°C
- Frequent rain: about 10 rainy days
What to wear and pack
- T-shirts and light layers
- Shorts or a light skirt
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.1 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 | -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 August?
Daytime highs average 26°C and nights about 17°C.
When is the best time to visit Sun Prairie?
The best months are September, July, August.