Average annual temperature is 11.7 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -19.9 °C
Number of sunny days: 159 days
Number of rainy days: 200 days
Number of snow days: 6 days
Look at detailed online map of Trumbull
* Weather data for Trumbull 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) | 18.3 | 19.1 | 14.5 | 30.4 | 28.1 | 29.5 | 32.1 | 29.6 | 34.4 | 26.3 | 18.4 | 14.7 |
| Average daytime temperature (°C) | 7.3 | 6.8 | 8.9 | 16.6 | 20.1 | 23.8 | 28.2 | 25.9 | 23.2 | 18.4 | 10.2 | 8.3 |
| Average temperature (°C) | 3.5 | 2.1 | 4.1 | 11.1 | 14.5 | 18.5 | 23.4 | 21.3 | 18.6 | 13.6 | 5.2 | 4.1 |
| Average night temperature (°C) | 0.3 | -2.1 | -0.1 | 6.4 | 9.0 | 14.0 | 19.5 | 17.3 | 14.9 | 9.8 | 1.1 | 0.9 |
| Absolute minimum temperature (°C) | -4.4 | -19.9 | -4.9 | -1.6 | 3.6 | 7.7 | 14.8 | 13.0 | 8.6 | 3.9 | -4.7 | -6.4 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.7 | 6.6 | 7.5 | 8.6 | 12.3 | 10.8 | 11.3 | 9.8 | 7.7 | 7.6 | 7.3 | 5.3 |
| Precipitation (mm) | 146 | 62 | 118 | 199 | 75 | 66 | 191 | 150 | 236 | 89 | 59 | 213 |
| Sunny days | 10 | 15 | 13 | 12 | 19 | 8 | 6 | 11 | 12 | 16 | 18 | 19 |
| Rainy days | 19 | 10 | 18 | 18 | 12 | 22 | 25 | 20 | 18 | 15 | 11 | 12 |
| Snow days | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Trumbull during the most sunny months:
The largest precipitation sum in Trumbull is at