Marshalltown in May
7.0out of 10
Possible, with caveats
Warm and comfortable: highs around 22°C. Frequent rain: about 14 rainy days.
22°CAvg high
11°CAvg low
14Rainy days (135 mm)
14:23 hDaylight
05:56Sunrise · 20:19 Sunset
Why this score
- Warm and comfortable: highs around 22°C
- Frequent rain: about 14 rainy days
What to wear and pack
- T-shirts and light layers
- A light jacket for cooler evenings
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in May varies a lot between years (±3.0 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 | -2°C | -10°C | 32 mm | 7 | – | – | 4.2 |
| February | 1°C | -8°C | 38 mm | 7 | – | – | 4.2 |
| March | 9°C | -2°C | 64 mm | 9 | – | – | 5.5 |
| April | 16°C | 5°C | 113 mm | 11 | – | – | 6.5 |
| May | 22°C | 11°C | 135 mm | 14 | – | – | 7.0 |
| June | 27°C | 17°C | 131 mm | 12 | – | – | 7.3 |
| July | 29°C | 19°C | 99 mm | 10 | – | – | 7.7 |
| August | 27°C | 17°C | 99 mm | 9 | – | – | 7.8 |
| September | 24°C | 13°C | 95 mm | 8 | – | – | 7.9 |
| October | 17°C | 6°C | 73 mm | 8 | – | – | 7.2 |
| November | 9°C | -1°C | 54 mm | 7 | – | – | 5.8 |
| December | 1°C | -7°C | 40 mm | 6 | – | – | 4.3 |
Frequently asked questions
How hot is Marshalltown in May?
Daytime highs average 22°C and nights about 11°C.
When is the best time to visit Marshalltown?
The best months are September, August, July.