Average annual temperature is 18.1 °C
Absolute maximum temperature: 45.2 °C
Absolute minimum temperature: -1.9 °C
Number of sunny days: 297 days
Number of rainy days: 68 days
Look at detailed online map of City of Porterville
* Weather data for City of 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) | 20.8 | 20.7 | 20.9 | 33.9 | 36.3 | 41.5 | 45.2 | 43.1 | 37.6 | 36.8 | 26.8 | 24.6 |
| Average daytime temperature (°C) | 14.2 | 15.6 | 15.8 | 23.8 | 29.1 | 31.8 | 40.5 | 36.7 | 32.4 | 28.4 | 21.3 | 17.5 |
| Average temperature (°C) | 8.4 | 8.0 | 10.1 | 15.5 | 21.1 | 23.7 | 31.9 | 28.6 | 24.6 | 19.8 | 13.4 | 10.7 |
| Average night temperature (°C) | 4.2 | 2.7 | 5.6 | 8.7 | 14.0 | 16.5 | 23.2 | 21.3 | 18.0 | 12.6 | 6.8 | 5.6 |
| Absolute minimum temperature (°C) | -0.6 | -1.9 | 0.1 | 1.6 | 8.1 | 12.4 | 18.3 | 17.1 | 13.9 | 5.0 | 1.0 | 2.1 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.8 | 8.2 | 8.6 | 12.0 | 12.4 | 13.2 | 13.3 | 11.8 | 11.2 | 10.2 | 8.8 | 7.1 |
| Precipitation (mm) | 182 | 111 | 240 | 0 | 1 | 4 | 0 | 47 | 29 | 2 | 11 | 46 |
| Sunny days | 16 | 17 | 13 | 29 | 27 | 29 | 31 | 28 | 26 | 30 | 25 | 26 |
| Rainy days | 15 | 11 | 18 | 1 | 4 | 1 | 0 | 3 | 4 | 1 | 5 | 5 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit City of Porterville during the most sunny months:
The largest precipitation sum in City of Porterville is at