Average annual temperature is 22.0 °C
Absolute maximum temperature: 41.2 °C
Absolute minimum temperature: 0.8 °C
Number of sunny days: 189 days
Number of rainy days: 176 days
Look at detailed online map of Castroville
* Weather data for Castroville 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) | 29.2 | 30.9 | 32.7 | 33.7 | 33.9 | 40.4 | 40.5 | 41.2 | 38.2 | 32.5 | 27.6 | 24.4 |
| Average daytime temperature (°C) | 21.0 | 21.2 | 26.1 | 26.6 | 29.4 | 36.5 | 37.8 | 38.5 | 35.4 | 27.1 | 19.6 | 19.3 |
| Average temperature (°C) | 14.5 | 14.1 | 19.1 | 20.1 | 23.7 | 29.6 | 31.2 | 31.6 | 29.3 | 21.9 | 15.0 | 13.3 |
| Average night temperature (°C) | 9.4 | 9.3 | 14.2 | 15.3 | 19.2 | 23.5 | 25.0 | 25.3 | 23.7 | 17.7 | 11.3 | 8.7 |
| Absolute minimum temperature (°C) | 1.0 | 0.8 | 4.4 | 10.2 | 14.4 | 18.6 | 23.4 | 22.8 | 21.5 | 5.3 | 4.4 | 2.2 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.2 | 7.4 | 7.1 | 8.1 | 9.3 | 11.9 | 12.1 | 11.8 | 10.9 | 8.3 | 6.3 | 7.1 |
| Precipitation (mm) | 25 | 29 | 58 | 101 | 155 | 23 | 15 | 25 | 32 | 194 | 45 | 37 |
| Sunny days | 21 | 17 | 6 | 8 | 8 | 17 | 22 | 25 | 17 | 11 | 16 | 21 |
| Rainy days | 10 | 11 | 25 | 22 | 23 | 13 | 9 | 6 | 13 | 20 | 14 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castroville during the most sunny months:
The largest precipitation sum in Castroville is at