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Best time to visit · Michigan, United States
For the most comfortable weather in Detroit, aim for May – September. September tops our comfort score at 86/100, with highs around 75°F (24°C) and 2.9 in (74 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
These averages also cover Belle Isle and Downtown Detroit.
Highs run from 30°F to 82°F across the year, and the yearly total is about 33.4 in (848 mm) of rain and snow.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high | 30°F-1°C | 33°F0°C | 44°F6°C | 57°F14°C | 68°F20°C | 77°F25°C | 82°F28°C | 81°F27°C | 75°F24°C | 61°F16°C | 47°F9°C | 35°F2°C |
| Avg low | 18°F-8°C | 18°F-8°C | 26°F-3°C | 36°F2°C | 48°F9°C | 58°F14°C | 64°F18°C | 63°F17°C | 55°F13°C | 43°F6°C | 33°F0°C | 24°F-4°C |
| Rain/snow | 2.0 in52 mm | 2.0 in52 mm | 2.2 in56 mm | 3.0 in77 mm | 3.8 in97 mm | 3.3 in84 mm | 3.3 in85 mm | 3.2 in82 mm | 2.9 in74 mm | 2.8 in72 mm | 2.4 in62 mm | 2.2 in55 mm |
| Humidity | 87% | 85% | 79% | 75% | 76% | 76% | 74% | 73% | 75% | 78% | 82% | 86% |
| Cloud | 77% | 72% | 68% | 64% | 64% | 56% | 50% | 49% | 49% | 63% | 69% | 79% |
| Comfort | 43 | 45 | 51 | 72 | 82 | 82 | 81 | 85 | 86 | 79 | 56 | 42 |
Source: NASA POWER (public domain), 2001–2025 monthly averages on a ~50 km satellite and reanalysis grid, so coasts and valleys can differ from what's shown. The grid cell sits at about 226 m (742 ft), close to Detroit's own ~182 m. Precipitation includes snow as melted water; daylight is calculated from latitude. Check a forecast before you go.
The coldest season, with highs of 30–35°F (-1–2°C) and lows down to 18°F (-8°C). It's the driest season, with only about 6.3 in (159 mm) of rain or snow, 19% of the year's total. December – February are cold enough for snow. It holds the toughest stretch on our comfort score (December – February), averaging 43/100.
Temperatures climb through the season, from 44°F highs in March to 68°F by May. About 9.1 in (230 mm) of rain or snow falls across these months, 27% of the year's total. March is cold enough for snow. May is among the best-scoring months (season average 68/100).
Peak warmth: highs of 77–82°F (25–28°C). It's the wettest season, with about 9.9 in (251 mm) of rain, 30% of the year's total. Lows bottom out around 58°F (14°C). Comfort peaks here: June – August rank with the year's best, and the season averages 83/100.
Temperatures slide from 75°F highs in September to 47°F by November. About 8.2 in (208 mm) of rain falls across these months, 25% of the year's total. Lows bottom out around 33°F (0°C). September is among the best-scoring months (season average 74/100).
By comfort score: 6 Great, 1 Good, 3 Fair and 2 Tough. Great months: May – October. Tap a month for its own guide.
For the most comfortable weather in Detroit, aim for May – September. September tops our comfort score at 86/100, with highs around 75°F (24°C) and 2.9 in (74 mm) of rain. April and October are good shoulder-season months. The toughest months are December – February, mainly because of cool days.
May is the wettest month, averaging about 3.8 in (97 mm) of rain. January is the driest, with about 2.0 in (52 mm). The yearly total is around 33.4 in (848 mm).
January is the coldest, with average lows of 18°F (-8°C) and highs of 30°F (-1°C). The warmest is July, with average highs of 82°F (28°C).
Not very: summer (June – August) humidity averages 74%, and highs peak around 82°F (28°C), so heat matters more than mugginess.
On average, yes: lows fall below 32°F (0°C) in December – March, bottoming out around 18°F (-8°C) in January.
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