Dearborn Climate by Month
Dearborn, Michigan, United States
Warm summers and freezing winters, with rain spread through the year.
Dearborn has warm summers and freezing winters, with rain spread through the year. July is the warmest month, with highs around 85°F (29°C); January is the coolest at 33°F (1°C), and nights dip to 20°F (-7°C). It gets 33 in (843 mm) of rain a year, spread across the months.
- Warmest month
- 85°F(29°C)
- Average high, July
- Coldest nights
- 20°F(-7°C)
- Average low, January
- Rain per year
- 33 in(843 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Dearborn
Best for weatherSeptember is the best time for weather in Dearborn: highs near 76°F (25°C) and about 3.1 in (78 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)
Dearborn weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 33°F(1°C) | 20°F(-7°C) | 2.0 in(51 mm) | 83% | 1.4 |
| FebFebruary | 37°F(3°C) | 21°F(-6°C) | 2.0 in(50 mm) | 75% | 2.2 |
| MarMarch | 46°F(8°C) | 29°F(-2°C) | 2.3 in(59 mm) | 66% | 3.5 |
| AprApril | 59°F(15°C) | 39°F(4°C) | 3.1 in(80 mm) | 59% | 4.3 |
| MayMay | 71°F(22°C) | 50°F(10°C) | 3.2 in(82 mm) | 61% | 5.1 |
| JunJune | 81°F(27°C) | 60°F(15°C) | 3.7 in(94 mm) | 64% | 5.8 |
| JulJuly | 85°F(29°C) | 64°F(18°C) | 3.2 in(82 mm) | 66% | 5.9 |
| AugAugust | 83°F(28°C) | 63°F(17°C) | 3.1 in(78 mm) | 69% | 4.9 |
| SepSeptemberBest | 76°F(25°C) | 55°F(13°C) | 3.1 in(78 mm) | 70% | 4.2 |
| OctOctober | 63°F(17°C) | 44°F(7°C) | 2.5 in(63 mm) | 71% | 2.6 |
| NovNovember | 49°F(10°C) | 34°F(1°C) | 2.5 in(64 mm) | 68% | 1.6 |
| DecDecember | 37°F(3°C) | 25°F(-4°C) | 2.4 in(62 mm) | 85% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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