Average annual temperature is 21.6 °C
Absolute maximum temperature: 42.7 °C
Absolute minimum temperature: -1.4 °C
Number of sunny days: 187 days
Number of rainy days: 178 days
Look at detailed online map of Caldwell
* Weather data for Caldwell 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) | 24.8 | 27.8 | 31.4 | 33.5 | 32.9 | 39.2 | 40.1 | 42.7 | 40.5 | 34.7 | 29.2 | 26.5 |
| Average daytime temperature (°C) | 18.0 | 19.5 | 23.9 | 24.5 | 28.2 | 35.0 | 37.5 | 39.8 | 35.1 | 27.8 | 20.3 | 19.3 |
| Average temperature (°C) | 12.9 | 13.1 | 17.9 | 18.7 | 23.2 | 28.8 | 31.5 | 33.1 | 29.2 | 22.1 | 15.2 | 13.1 |
| Average night temperature (°C) | 9.0 | 8.8 | 13.5 | 14.3 | 19.0 | 23.5 | 25.8 | 26.8 | 24.2 | 17.6 | 11.3 | 8.1 |
| Absolute minimum temperature (°C) | -1.1 | -1.4 | 2.8 | 9.7 | 12.3 | 19.4 | 23.4 | 24.1 | 20.3 | 5.4 | 2.1 | 0.6 |
| 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 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.4 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.6 | 7.2 | 7.6 | 8.3 | 9.2 | 11.5 | 12.5 | 12.2 | 10.4 | 8.3 | 6.4 | 7.6 |
| Precipitation (mm) | 126 | 65 | 69 | 261 | 160 | 46 | 18 | 3 | 44 | 72 | 49 | 51 |
| Sunny days | 16 | 13 | 10 | 8 | 9 | 12 | 22 | 25 | 15 | 17 | 19 | 21 |
| Rainy days | 15 | 15 | 21 | 22 | 22 | 18 | 9 | 6 | 15 | 14 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Caldwell during the most sunny months:
The largest precipitation sum in Caldwell is at