Average annual temperature is 10.8 °C
Absolute maximum temperature: 32.7 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 161 days
Number of rainy days: 188 days
Number of snow days: 16 days
Look at detailed online map of Romulus
* Weather data for Romulus United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.0 | 14.7 | 16.9 | 26.1 | 30.0 | 32.7 | 32.3 | 31.1 | 32.1 | 28.1 | 16.4 | 15.8 |
| Average daytime temperature (°C) | 3.7 | 6.0 | 7.3 | 15.5 | 21.5 | 26.5 | 28.2 | 26.4 | 23.7 | 16.4 | 9.4 | 7.1 |
| Average temperature (°C) | 0.2 | 0.0 | 2.4 | 9.3 | 14.4 | 20.2 | 22.6 | 20.8 | 18.6 | 12.3 | 4.5 | 3.8 |
| Average night temperature (°C) | -2.8 | -4.1 | -1.3 | 4.1 | 8.0 | 14.3 | 17.6 | 16.0 | 14.2 | 9.0 | 0.5 | 1.3 |
| Absolute minimum temperature (°C) | -20.4 | -18.6 | -7.8 | -4.3 | 1.6 | 8.9 | 14.4 | 9.3 | 8.6 | -2.7 | -7.5 | -3.7 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.2 | 7.1 | 6.7 | 8.4 | 10.8 | 11.3 | 11.6 | 10.7 | 8.5 | 6.1 | 6.4 | 3.5 |
| Precipitation (mm) | 73 | 88 | 95 | 103 | 33 | 73 | 109 | 110 | 45 | 80 | 40 | 61 |
| Sunny days | 9 | 15 | 10 | 14 | 21 | 15 | 8 | 14 | 15 | 11 | 18 | 11 |
| Rainy days | 17 | 11 | 16 | 16 | 10 | 15 | 23 | 17 | 15 | 19 | 10 | 19 |
| Snow days | 5 | 2 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
The best time to visit Romulus during the most sunny months:
The largest precipitation sum in Romulus is at