Cottage Grove Climate by Month
Cottage Grove, Minnesota, 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 Cottage Grove's climate in short. July is the warmest month, with highs around 84°F (29°C); January is the coolest at 24°F (-4°C), and nights dip to 7°F (-14°C). It gets 29 in (737 mm) of rain a year, spread across the months.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 7°F(-14°C)
- Average low, January
- Rain per year
- 29 in(737 mm)
- No clear rainy season
- Humidity
- 72%
- Sunniest: July
Best and worst months in Cottage Grove
Best for weatherSeptember is the best time for weather in Cottage Grove: highs near 73°F (23°C) and about 3.0 in (76 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 24°F (-4°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)
Cottage Grove weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 24°F(-4°C) | 7°F(-14°C) | 0.7 in(18 mm) | 99% | 1.4 |
| FebFebruary | 30°F(-1°C) | 10°F(-12°C) | 0.9 in(22 mm) | 80% | 2.3 |
| MarMarch | 43°F(6°C) | 23°F(-5°C) | 1.7 in(42 mm) | 78% | 3.5 |
| AprApril | 58°F(15°C) | 36°F(2°C) | 2.6 in(67 mm) | 55% | 4.6 |
| MayMay | 71°F(22°C) | 48°F(9°C) | 4.0 in(102 mm) | 58% | 5.1 |
| JunJune | 80°F(27°C) | 57°F(14°C) | 4.3 in(110 mm) | 67% | 5.7 |
| JulJuly | 84°F(29°C) | 62°F(17°C) | 3.3 in(83 mm) | 68% | 6.0 |
| AugAugust | 81°F(27°C) | 60°F(16°C) | 3.6 in(92 mm) | 70% | 5.2 |
| SepSeptemberBest | 73°F(23°C) | 52°F(11°C) | 3.0 in(76 mm) | 72% | 4.0 |
| OctOctober | 60°F(15°C) | 39°F(4°C) | 2.4 in(60 mm) | 67% | 2.5 |
| NovNovember | 43°F(6°C) | 26°F(-3°C) | 1.4 in(36 mm) | 74% | 1.5 |
| DecDecember | 29°F(-2°C) | 13°F(-10°C) | 1.1 in(29 mm) | 77% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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