Detroit, MI weather by month
Midwest · Station: Detroit Metropolitan Airport (DTW), MI · NOAA 1991–2020 Climate Normals
The best time to visit Detroit, MI is October, when average daytime highs are comfortable and rainfall sits at or below the city's monthly average. Detroit is hottest in July (avg high 84°F) and coolest in January (avg high 32°F). The wettest month is May (3.7 in) and the driest is February (2.1 in). Overall the annual mean temperature is about 50.5°F with 34.4 in of precipitation a year and 45 in of snow.
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.
Monthly weather averages for Detroit
| Month | Avg high (°F) | Avg low (°F) | Avg precip (in) | Avg snow (in) |
|---|---|---|---|---|
| January | 32 | 19 | 2.2 | 14 |
| February | 35 | 21 | 2.1 | 12.5 |
| March | 46 | 29 | 2.4 | 6.2 |
| April | 59 | 39 | 3.3 | 1.5 |
| May | 70 | 50 | 3.7 | 0 |
| June | 80 | 60 | 3.3 | 0 |
| July | 84 | 64 | 3.5 | 0 |
| August | 81 | 63 | 3.3 | 0 |
| September | 74 | 56 | 3.2 | 0 |
| October | 62 | 44 | 2.5 | 0 |
| November | 49 | 34 | 2.6 | 1.9 |
| December | 37 | 25 | 2.3 | 8.9 |
Source: NOAA NCEI U.S. Climate Normals 1991–2020. Data as of June 2026.
Best time to visit Detroit
Based on the normals above, the most pleasant window is October. In those months daytime highs are in the mild-to-warm range and precipitation is no higher than the city's typical month, so you avoid both the peak warm of July (when highs reach about 84°F — t-shirt weather; sunscreen advised) and the cool, darker conditions around January (highs near 32°F). Use the packing & comfort tool to check any specific month.
How Detroit compares
Detroit's 34.4 in of annual precipitation and 50.5°F mean temperature put it in context with other US cities. See where it ranks for warmest in January, rainiest overall and driest overall, or browse the full list of cities.
Frequently asked questions
What is the best time to visit Detroit?
The most comfortable time to visit Detroit, MI is October, when average daytime highs are mild and rainfall is at or below the city's average. Detroit is hottest in July (avg high 84°F) and coolest in January (avg high 32°F), per NOAA 1991–2020 Climate Normals.
What is the average temperature in Detroit?
Detroit's annual mean temperature is about 50.5°F. The warmest month is July (average high 84°F, low 64°F) and the coolest is January (average high 32°F, low 19°F).
How much rain does Detroit get?
Detroit receives about 34.4 inches of precipitation a year. The wettest month is May (3.7 in) and the driest is February (2.1 in).
Does it snow in Detroit?
Yes. Detroit averages about 45 inches of snow a year. Snow normally falls between late autumn and early spring; summer months see none.
Source
Monthly averages from the NOAA NCEI U.S. Climate Normals 1991–2020, station Detroit Metropolitan Airport (DTW), MI (reference values verified against the published normals). Climate normals describe a 30-year average, not a forecast; any individual year can differ. See our methodology for how "best time to visit" is derived.
Last updated: 2026-06-18