Best Time to Visit Mason City: Month-by-Month Guide
Best months for Mason City: September, July, August.
- Best months for Mason City: September, July, August.
- Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
- Shoulder season: September, October. Good weather without the busiest period.
- Wettest months: May, June, April.
- The least pleasant month is December (score 4.2).
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -4°C | -12°C | 29 mm | 7 | – | – | 4.2 |
| February | -1°C | -10°C | 32 mm | 6 | – | – | 4.3 |
| March | 6°C | -3°C | 61 mm | 8 | – | – | 5.1 |
| April | 15°C | 3°C | 101 mm | 11 | – | – | 6.3 |
| May | 21°C | 10°C | 130 mm | 14 | – | – | 6.9 |
| June | 26°C | 16°C | 137 mm | 12 | – | – | 7.2 |
| July | 27°C | 18°C | 102 mm | 10 | – | – | 7.7 |
| August | 26°C | 16°C | 100 mm | 10 | – | – | 7.6 |
| September | 23°C | 12°C | 90 mm | 9 | – | – | 7.9 |
| October | 16°C | 5°C | 68 mm | 8 | – | – | 7.0 |
| November | 7°C | -2°C | 49 mm | 7 | – | – | 5.4 |
| December | -1°C | -9°C | 37 mm | 7 | – | – | 4.2 |
Frequently asked questions
When is the best time to visit Mason City?
The best months are September, July, August.
When is the rainy season in Mason City?
The wettest months are May, June, April.