Plymouth, Minnesota Climate by Month
Plymouth, Minnesota, United States
Warm summers and freezing winters, with rain spread through the year.
Plymouth has warm summers and freezing winters, with rain spread through the year. 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 6°F (-14°C). About 30 in (752 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 84°F(29°C)
- Average high, July
- Coldest nights
- 6°F(-14°C)
- Average low, January
- Rain per year
- 30 in(752 mm)
- No clear rainy season
- Humidity
- 71%
- Sunniest: July
Best and worst months in Plymouth
Best for weatherSeptember is the best time for weather in Plymouth: highs near 73°F (23°C) and about 2.8 in (72 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)
Plymouth weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 24°F(-4°C) | 6°F(-14°C) | 0.7 in(19 mm) | 100% | 1.4 |
| FebFebruary | 29°F(-1°C) | 10°F(-12°C) | 0.9 in(23 mm) | 82% | 2.3 |
| MarMarch | 42°F(6°C) | 23°F(-5°C) | 1.6 in(41 mm) | 64% | 3.5 |
| AprApril | 57°F(14°C) | 36°F(2°C) | 2.6 in(65 mm) | 55% | 4.6 |
| MayMay | 70°F(21°C) | 48°F(9°C) | 4.1 in(103 mm) | 58% | 5.0 |
| JunJune | 80°F(27°C) | 58°F(14°C) | 4.4 in(112 mm) | 66% | 5.7 |
| JulJuly | 84°F(29°C) | 62°F(17°C) | 3.6 in(92 mm) | 68% | 6.0 |
| AugAugust | 81°F(27°C) | 60°F(16°C) | 3.9 in(98 mm) | 70% | 5.2 |
| SepSeptemberBest | 73°F(23°C) | 52°F(11°C) | 2.8 in(72 mm) | 67% | 4.0 |
| OctOctober | 59°F(15°C) | 39°F(4°C) | 2.3 in(58 mm) | 67% | 2.4 |
| NovNovember | 42°F(6°C) | 26°F(-3°C) | 1.5 in(39 mm) | 75% | 1.5 |
| DecDecember | 28°F(-2°C) | 13°F(-11°C) | 1.2 in(30 mm) | 79% | 1.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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