Troy, Michigan Climate by Month
Troy, Michigan, United States
Warm summers and freezing winters, with rain spread through the year.
Warm summers and freezing winters, with rain spread through the year: that's Troy's climate in short. Afternoon highs range from 32°F (0°C) in January to 83°F (28°C) in July, and January nights average 19°F (-7°C). It gets 31 in (799 mm) of rain a year, spread across the months.
- Warmest month
- 83°F(28°C)
- Average high, July
- Coldest nights
- 19°F(-7°C)
- Average low, January
- Rain per year
- 31 in(799 mm)
- No clear rainy season
- Humidity
- 70%
- Sunniest: July
Best and worst months in Troy
Best for weatherThe most comfortable weather comes in September, with highs around 75°F (24°C) and about 2.8 in (71 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 32°F (0°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)
Troy weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 32°F(0°C) | 19°F(-7°C) | 1.9 in(47 mm) | 86% | 1.4 |
| FebFebruary | 35°F(1°C) | 20°F(-7°C) | 1.8 in(46 mm) | 80% | 2.3 |
| MarMarch | 45°F(7°C) | 28°F(-2°C) | 2.1 in(54 mm) | 69% | 3.5 |
| AprApril | 57°F(14°C) | 37°F(3°C) | 3.0 in(77 mm) | 63% | 4.4 |
| MayMay | 70°F(21°C) | 49°F(9°C) | 3.1 in(79 mm) | 64% | 5.1 |
| JunJune | 79°F(26°C) | 58°F(15°C) | 3.7 in(93 mm) | 67% | 5.9 |
| JulJuly | 83°F(28°C) | 63°F(17°C) | 3.0 in(76 mm) | 65% | 5.9 |
| AugAugust | 81°F(27°C) | 61°F(16°C) | 3.1 in(78 mm) | 69% | 5.0 |
| SepSeptemberBest | 75°F(24°C) | 54°F(12°C) | 2.8 in(71 mm) | 68% | 4.2 |
| OctOctober | 62°F(17°C) | 43°F(6°C) | 2.4 in(61 mm) | 67% | 2.6 |
| NovNovember | 48°F(9°C) | 33°F(1°C) | 2.3 in(59 mm) | 70% | 1.6 |
| DecDecember | 36°F(2°C) | 24°F(-4°C) | 2.3 in(58 mm) | 70% | 1.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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