Average annual temperature is 13.2 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 225 days
Number of rainy days: 125 days
Number of snow days: 15 days
Look at detailed online map of Trinity County
* Weather data for Trinity County 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) | 16.9 | 21.0 | 15.8 | 32.2 | 33.7 | 39.2 | 42.7 | 42.0 | 35.2 | 31.7 | 24.6 | 19.4 |
| Average daytime temperature (°C) | 10.5 | 12.4 | 9.3 | 19.0 | 25.2 | 29.8 | 37.6 | 35.1 | 27.6 | 24.3 | 16.9 | 13.2 |
| Average temperature (°C) | 4.9 | 4.5 | 3.3 | 10.6 | 16.3 | 19.9 | 25.4 | 24.4 | 18.4 | 14.6 | 9.1 | 6.9 |
| Average night temperature (°C) | 1.4 | -0.3 | -1.1 | 4.7 | 8.9 | 11.6 | 14.8 | 15.9 | 11.5 | 8.3 | 4.2 | 3.3 |
| Absolute minimum temperature (°C) | -4.3 | -8.7 | -9.9 | -2.0 | 1.8 | 5.5 | 10.7 | 10.6 | 7.8 | 0.0 | -1.0 | -0.3 |
| 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 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 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) | 5.2 | 7.3 | 6.6 | 10.0 | 11.6 | 13.2 | 13.7 | 12.1 | 10.3 | 8.9 | 7.2 | 4.5 |
| Precipitation (mm) | 261 | 87 | 231 | 38 | 52 | 16 | 0 | 32 | 49 | 19 | 68 | 150 |
| Sunny days | 14 | 15 | 8 | 18 | 17 | 20 | 31 | 25 | 21 | 21 | 20 | 15 |
| Rainy days | 16 | 6 | 16 | 12 | 14 | 10 | 0 | 6 | 9 | 10 | 10 | 16 |
| Snow days | 1 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Trinity County during the most sunny months:
The largest precipitation sum in Trinity County is at