Detroit Climate by Month
Detroit, Michigan, United States
Warm summers and freezing winters, with rain spread through the year.
Detroit has warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 83°F (29°C); January is the coolest at 33°F (1°C), and nights dip to 20°F (-7°C). It gets 34 in (865 mm) of rain a year, spread across the months.
- Warmest month
- 83°F(29°C)
- Average high, July
- Coldest nights
- 20°F(-7°C)
- Average low, January
- Rain per year
- 34 in(865 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Detroit
Best for weatherSeptember is the best time for weather in Detroit: highs near 75°F (24°C) and about 3.2 in (81 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 33°F (1°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)
Detroit weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 33°F(1°C) | 20°F(-7°C) | 2.1 in(53 mm) | 82% | 1.4 |
| FebFebruary | 36°F(2°C) | 21°F(-6°C) | 2.1 in(53 mm) | 75% | 2.3 |
| MarMarch | 45°F(7°C) | 29°F(-2°C) | 2.4 in(62 mm) | 67% | 3.5 |
| AprApril | 58°F(14°C) | 39°F(4°C) | 3.1 in(80 mm) | 61% | 4.3 |
| MayMay | 70°F(21°C) | 50°F(10°C) | 3.2 in(82 mm) | 63% | 5.1 |
| JunJune | 79°F(26°C) | 60°F(15°C) | 3.6 in(91 mm) | 65% | 5.8 |
| JulJuly | 83°F(29°C) | 64°F(18°C) | 3.3 in(83 mm) | 67% | 5.9 |
| AugAugust | 82°F(28°C) | 63°F(17°C) | 3.1 in(78 mm) | 70% | 5.0 |
| SepSeptemberBest | 75°F(24°C) | 56°F(13°C) | 3.2 in(81 mm) | 71% | 4.2 |
| OctOctober | 62°F(17°C) | 45°F(7°C) | 2.6 in(67 mm) | 72% | 2.6 |
| NovNovember | 49°F(9°C) | 34°F(1°C) | 2.7 in(69 mm) | 68% | 1.6 |
| DecDecember | 37°F(3°C) | 26°F(-4°C) | 2.6 in(66 mm) | 84% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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