Parma, Ohio Climate by Month
Parma, Ohio, United States
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Parma's climate in short. July is the warmest month, with highs around 84°F (29°C); January is the coolest at 35°F (2°C), and nights dip to 20°F (-6°C). It gets 38 in (960 mm) of rain a year, spread across the months.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 20°F(-6°C)
- Average low, January
- Rain per year
- 38 in(960 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: July
Best and worst months in Parma
Best for weatherThe most comfortable weather comes in September, with highs around 76°F (25°C) and about 3.3 in (84 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 35°F (2°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 September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Parma weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 35°F(2°C) | 20°F(-6°C) | 2.5 in(64 mm) | 78% | 1.4 |
| FebFebruary | 38°F(4°C) | 22°F(-6°C) | 2.3 in(58 mm) | 71% | 2.2 |
| MarMarch | 48°F(9°C) | 30°F(-1°C) | 2.8 in(72 mm) | 63% | 3.3 |
| AprApril | 60°F(16°C) | 39°F(4°C) | 3.3 in(84 mm) | 57% | 4.3 |
| MayMay | 72°F(22°C) | 50°F(10°C) | 3.7 in(94 mm) | 65% | 5.3 |
| JunJune | 80°F(27°C) | 59°F(15°C) | 4.0 in(101 mm) | 68% | 5.8 |
| JulJuly | 84°F(29°C) | 63°F(17°C) | 3.7 in(94 mm) | 67% | 5.9 |
| AugAugust | 82°F(28°C) | 62°F(17°C) | 3.4 in(87 mm) | 71% | 5.2 |
| SepSeptemberBest | 76°F(25°C) | 55°F(13°C) | 3.3 in(84 mm) | 69% | 4.2 |
| OctOctober | 64°F(18°C) | 45°F(7°C) | 2.9 in(74 mm) | 69% | 2.6 |
| NovNovember | 51°F(10°C) | 35°F(1°C) | 2.9 in(74 mm) | 65% | 1.6 |
| DecDecember | 40°F(4°C) | 26°F(-3°C) | 2.9 in(74 mm) | 78% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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