Average annual temperature is 10.5 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -19.1 °C
Number of sunny days: 117 days
Number of rainy days: 226 days
Number of snow days: 22 days
Look at detailed online map of Town of Romulus
* Weather data for Town of 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) | 11.4 | 16.8 | 15.2 | 27.3 | 29.2 | 31.1 | 33.3 | 28.8 | 31.4 | 28.3 | 14.7 | 12.3 |
| Average daytime temperature (°C) | 3.9 | 5.8 | 5.9 | 16.1 | 19.7 | 23.7 | 27.4 | 24.5 | 22.5 | 16.2 | 8.2 | 6.5 |
| Average temperature (°C) | 1.0 | 0.2 | 1.4 | 9.5 | 12.9 | 18.2 | 22.8 | 20.3 | 18.1 | 12.7 | 4.4 | 3.4 |
| Average night temperature (°C) | -1.2 | -3.7 | -1.8 | 4.4 | 6.9 | 13.6 | 19.1 | 17.0 | 14.8 | 9.9 | 1.8 | 1.4 |
| Absolute minimum temperature (°C) | -6.8 | -19.1 | -8.4 | -3.8 | 2.2 | 9.0 | 15.9 | 13.0 | 10.7 | 1.2 | -4.0 | -4.9 |
| 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 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.5 | 5.5 | 5.4 | 8.5 | 11.9 | 11.1 | 11.7 | 10.3 | 9.0 | 5.7 | 5.4 | 3.1 |
| Precipitation (mm) | 110 | 67 | 91 | 108 | 38 | 97 | 126 | 136 | 42 | 91 | 57 | 117 |
| Sunny days | 5 | 9 | 8 | 14 | 22 | 9 | 7 | 7 | 13 | 7 | 8 | 8 |
| Rainy days | 19 | 12 | 21 | 16 | 9 | 21 | 24 | 24 | 17 | 24 | 19 | 20 |
| Snow days | 7 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Town of Romulus during the most sunny months:
Months with the longest average daylight duration in Town of Romulus:
The largest precipitation sum in Town of Romulus is at