Oshkosh Climate by Month
Oshkosh, Wisconsin, 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 Oshkosh's climate in short. July is the warmest month, with highs around 82°F (28°C); January is the coolest at 27°F (-3°C), and nights dip to 10°F (-12°C). It gets 32 in (803 mm) of rain a year, spread across the months.
- Warmest month
- 82°F(28°C)
- Average high, July
- Coldest nights
- 10°F(-12°C)
- Average low, January
- Rain per year
- 32 in(803 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: July
Best and worst months in Oshkosh
Best for weatherJune and September are the best time for weather in Oshkosh: highs near 75°F (24°C) and about 3.5 in (90 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 27°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 September.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Oshkosh weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 27°F(-3°C) | 10°F(-12°C) | 1.2 in(30 mm) | 86% | 1.4 |
| FebFebruary | 31°F(-1°C) | 13°F(-11°C) | 1.2 in(31 mm) | 75% | 2.3 |
| MarMarch | 42°F(6°C) | 24°F(-5°C) | 2.0 in(51 mm) | 79% | 3.4 |
| AprApril | 55°F(13°C) | 35°F(2°C) | 3.1 in(78 mm) | 58% | 4.4 |
| MayMay | 69°F(20°C) | 47°F(8°C) | 3.7 in(94 mm) | 62% | 5.2 |
| JunJuneBest | 78°F(26°C) | 57°F(14°C) | 3.7 in(94 mm) | 69% | 5.8 |
| JulJuly | 82°F(28°C) | 62°F(17°C) | 3.3 in(84 mm) | 67% | 6.0 |
| AugAugust | 80°F(27°C) | 60°F(15°C) | 3.8 in(96 mm) | 72% | 5.1 |
| SepSeptemberBest | 73°F(23°C) | 51°F(11°C) | 3.4 in(86 mm) | 74% | 4.1 |
| OctOctober | 59°F(15°C) | 39°F(4°C) | 2.6 in(66 mm) | 75% | 2.5 |
| NovNovember | 44°F(7°C) | 28°F(-2°C) | 2.1 in(53 mm) | 84% | 1.6 |
| DecDecember | 32°F(0°C) | 17°F(-8°C) | 1.6 in(40 mm) | 90% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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