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Weather & Climate
Romulus, Michigan, United States
Overview
Climate data and monthly weather averages for Romulus.
Key Metrics
Annual Avg
10°C
Summer Avg
22.1°C
Winter Avg
-2.2°C
Record High
34.5°C
Record Low
-24.4°C
Annual Precipitation
865.2 mm
Avg Humidity
79%
Summer Humidity
74%
Winter Humidity
86%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 12.2° | -3.5° | -24.4° | 53.3 | 87% | 49 | 66.9 |
| Feb | 15.2° | -2.9° | -24° | 52.6 | 85% | 68 | 71.8 |
| Mar | 22.9° | 1.7° | -18.6° | 60.8 | 80% | 110 | 72.3 |
| Apr | 22.1° | 7.8° | -7.4° | 77.4 | 77% | 140 | 62.9 |
| May | 29° | 14.3° | -0.8° | 97 | 78% | 169 | 56 |
| Jun | 33.3° | 20.1° | 4.5° | 87 | 77% | 185 | 54 |
| Jul | 34.5° | 23.3° | 9.3° | 86.5 | 73% | 193 | 43.6 |
| Aug | 33.4° | 22.8° | 12.7° | 82.1 | 72% | 165 | 45 |
| Sep | 32.3° | 18.9° | 5.7° | 75.6 | 74% | 128 | 51.8 |
| Oct | 28.8° | 12° | 0.9° | 70.1 | 77% | 86 | 63.1 |
| Nov | 20.9° | 5.3° | -8.1° | 64.2 | 81% | 53 | 67.1 |
| Dec | 14.8° | -0.3° | -16° | 58.6 | 85% | 38 | 68.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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