Best Time to Visit Ottumwa: Month-by-Month Guide
Best months for Ottumwa: September, August, July, October.
- Best months for Ottumwa: September, August, July, October.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: May, September, October. Good weather without the busiest period.
- Wettest months: May, June, April.
- The least pleasant month is January (score 4.2).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 0°C | -8°C | 36 mm | 7 | – | – | 4.2 |
| February | 3°C | -6°C | 47 mm | 7 | – | – | 4.6 |
| March | 10°C | 0°C | 70 mm | 9 | – | – | 5.8 |
| April | 18°C | 6°C | 108 mm | 11 | – | – | 6.7 |
| May | 23°C | 12°C | 122 mm | 13 | – | – | 7.1 |
| June | 28°C | 18°C | 127 mm | 12 | – | – | 7.3 |
| July | 30°C | 20°C | 85 mm | 10 | – | – | 7.5 |
| August | 29°C | 18°C | 88 mm | 10 | – | – | 7.8 |
| September | 25°C | 14°C | 91 mm | 8 | – | – | 8.0 |
| October | 18°C | 7°C | 70 mm | 8 | – | – | 7.4 |
| November | 10°C | 1°C | 57 mm | 7 | – | – | 6.1 |
| December | 3°C | -5°C | 45 mm | 6 | – | – | 4.7 |
Frequently asked questions
When is the best time to visit Ottumwa?
The best months are September, August, July, October.
When is the rainy season in Ottumwa?
The wettest months are May, June, April.