Mason City weather by month & the best time to visit
🇺🇸 United States · small town · hot-summer continental climate
The best time to visit Mason City is September — its sunniest month (Sunshine Score 75/100), with August and July close behind. Mason City averages about 2,397 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 98 mm of rain in September.
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- Sun hours / year
- 2,397
- Sunniest month
- September
- Peak score
- 75/100
- Rain / year
- 937 mm
- Snow / year
- ≈1.5 m
- Midday UV at peak
- 8 (very high)
- Population
- 27k
- Elevation
- 362 m
When is the best time to visit Mason City?
For sunshine, the best time to visit Mason City is September, then August and July. The dullest month is January (0/100, 24 mm of rain). The full month-by-month picture is in the table below.
How sunny is Mason City?
Mason City gets a moderate 2,397 hours of sunshine a year. 75 Sunshine Score points separate September (75) from January (0), so the month you pick matters. It ranks #247 of 580 destinations in United States for annual sunshine, above the national median of 2,279 hours. Rain has a clear season: the wettest stretch, around June, carries about 40% of the annual 937 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | -4° / 25°F | -13° / 9°F | 24 mm | 1 |
| February | 0 | -2° / 28°F | -12° / 10°F | 32 mm | 2 |
| March | 0 | 6° / 43°F | -4° / 25°F | 51 mm | 3 |
| April | 37 | 14° / 57°F | 2° / 36°F | 98 mm | 5 |
| May | 70 | 21° / 70°F | 9° / 48°F | 124 mm | 6 |
| June | 66 | 26° / 79°F | 15° / 59°F | 146 mm | 7 |
| July | 73 | 28° / 82°F | 17° / 63°F | 106 mm | 8 |
| August | 74 | 26° / 79°F | 16° / 61°F | 102 mm | 7 |
| September | 75 | 23° / 73°F | 11° / 52°F | 98 mm | 5 |
| October | 40 | 14° / 57°F | 3° / 37°F | 73 mm | 3 |
| November | 0 | 6° / 43°F | -3° / 27°F | 42 mm | 2 |
| December | 0 | -1° / 30°F | -9° / 16°F | 41 mm | 1 |
See Mason City on the interactive sunshine globe →
Nearby places for sunshine
- Rochester (Minnesota) United States · 107 km · best in Jul · 2,340 h sun/yr
- Des Moines United States · 183 km · best in Sep · 2,394 h sun/yr
- Minneapolis United States · 191 km · best in Sep · 2,337 h sun/yr
- Cedar Rapids United States · 194 km · best in Sep · 2,315 h sun/yr
- Sioux Falls United States · 280 km · best in Jul · 2,583 h sun/yr
- Omaha United States · 295 km · best in Jul · 2,482 h sun/yr
Nearest destinations
- Fort Dodge United States · 97 km · 2,443 h sun/yr · best in Sep
- Waterloo (Iowa) United States · 101 km · 2,391 h sun/yr · best in Sep
- La Crosse United States · 185 km · 2,283 h sun/yr · best in Jul
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