Mason Climate by Month
Mason, Ohio, United States
Hot summers and cold winters, with rain spread through the year.
The climate in Mason is one of hot summers and cold winters, with rain spread through the year. Afternoon highs range from 38°F (3°C) in January to 86°F (30°C) in July, and January nights average 21°F (-6°C). It gets 43 in (1103 mm) of rain a year, spread across the months.
- Warmest month
- 86°F(30°C)
- Average high, July
- Coldest nights
- 21°F(-6°C)
- Average low, January
- Rain per year
- 43 in(1103 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Mason
Best for weatherThe most comfortable weather comes in May and September, with highs around 77°F (25°C) and about 4.1 in (103 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 38°F (3°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Mason weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 38°F(3°C) | 21°F(-6°C) | 3.0 in(77 mm) | 72% | 1.6 |
| FebFebruary | 42°F(6°C) | 24°F(-5°C) | 2.7 in(69 mm) | 79% | 2.5 |
| MarMarch | 53°F(12°C) | 32°F(0°C) | 4.2 in(106 mm) | 65% | 3.6 |
| AprApril | 65°F(19°C) | 42°F(5°C) | 4.4 in(112 mm) | 64% | 4.6 |
| MayMayBest | 75°F(24°C) | 52°F(11°C) | 4.9 in(124 mm) | 70% | 5.3 |
| JunJune | 83°F(28°C) | 61°F(16°C) | 4.1 in(103 mm) | 71% | 5.8 |
| JulJuly | 86°F(30°C) | 64°F(18°C) | 4.2 in(107 mm) | 71% | 5.9 |
| AugAugust | 85°F(30°C) | 63°F(17°C) | 3.2 in(82 mm) | 69% | 5.4 |
| SepSeptemberBest | 80°F(27°C) | 55°F(13°C) | 3.2 in(82 mm) | 69% | 4.4 |
| OctOctober | 68°F(20°C) | 43°F(6°C) | 3.0 in(77 mm) | 67% | 3.1 |
| NovNovember | 54°F(12°C) | 34°F(1°C) | 3.2 in(82 mm) | 72% | 2.0 |
| DecDecember | 42°F(6°C) | 26°F(-3°C) | 3.2 in(82 mm) | 75% | 1.4 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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