Average annual temperature is 7.0 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -17.7 °C
Number of sunny days: 169 days
Number of rainy days: 135 days
Number of snow days: 61 days
Look at detailed online map of Porterville
* Weather data for Porterville 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) | 6.3 | 9.2 | 10.7 | 20.4 | 24.3 | 27.5 | 35.3 | 32.5 | 30.0 | 23.1 | 18.1 | 10.5 |
| Average daytime temperature (°C) | 0.5 | 2.2 | 3.9 | 9.9 | 18.7 | 22.5 | 31.5 | 28.5 | 24.0 | 16.9 | 9.6 | 4.4 |
| Average temperature (°C) | -4.0 | -4.4 | -1.8 | 3.1 | 10.8 | 15.1 | 22.4 | 20.0 | 14.8 | 8.5 | 1.7 | -3.1 |
| Average night temperature (°C) | -7.5 | -9.0 | -6.1 | -2.3 | 3.3 | 8.1 | 13.5 | 12.7 | 7.7 | 2.8 | -3.2 | -8.5 |
| Absolute minimum temperature (°C) | -17.7 | -15.6 | -14.2 | -12.2 | -2.8 | 5.0 | 9.7 | 10.5 | 2.7 | -5.0 | -13.4 | -17.5 |
| 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 | 7.4 | 7.6 | 10.0 | 12.5 | 12.5 | 13.2 | 12.0 | 10.9 | 8.8 | 7.2 | 6.5 |
| Precipitation (mm) | 120 | 62 | 114 | 65 | 49 | 68 | 7 | 58 | 53 | 49 | 36 | 51 |
| Sunny days | 6 | 14 | 9 | 15 | 8 | 4 | 21 | 9 | 16 | 22 | 23 | 22 |
| Rainy days | 5 | 0 | 7 | 8 | 23 | 26 | 10 | 22 | 14 | 9 | 7 | 4 |
| Snow days | 20 | 14 | 15 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Porterville during the most sunny months:
The largest precipitation sum in Porterville is at