Average annual temperature is 17.2 °C
Absolute maximum temperature: 41.5 °C
Absolute minimum temperature: -9.0 °C
Number of sunny days: 256 days
Number of rainy days: 107 days
Number of snow days: 2 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) | 22.6 | 26.5 | 28.7 | 32.0 | 34.0 | 41.5 | 40.4 | 40.2 | 38.7 | 30.4 | 29.3 | 23.4 |
| Average daytime temperature (°C) | 13.8 | 16.0 | 20.7 | 25.0 | 28.1 | 32.7 | 35.7 | 36.7 | 31.8 | 23.7 | 17.9 | 14.5 |
| Average temperature (°C) | 6.6 | 7.1 | 11.9 | 16.1 | 20.8 | 25.1 | 29.0 | 29.9 | 25.1 | 16.8 | 10.5 | 7.2 |
| Average night temperature (°C) | 1.1 | 1.3 | 5.2 | 9.2 | 14.5 | 18.6 | 22.8 | 23.4 | 19.0 | 11.2 | 5.1 | 2.0 |
| Absolute minimum temperature (°C) | -9.0 | -7.4 | -1.7 | 3.0 | 9.5 | 12.5 | 18.5 | 18.1 | 14.6 | -2.1 | -3.7 | -4.3 |
| 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 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 8.0 | 10.3 | 10.6 | 11.2 | 11.9 | 12.7 | 12.0 | 10.6 | 9.1 | 7.8 | 7.9 |
| Precipitation (mm) | 11 | 15 | 4 | 5 | 79 | 63 | 17 | 14 | 24 | 72 | 6 | 40 |
| Sunny days | 27 | 20 | 26 | 23 | 9 | 14 | 20 | 26 | 22 | 21 | 24 | 24 |
| Rainy days | 2 | 8 | 5 | 7 | 22 | 16 | 11 | 5 | 8 | 10 | 6 | 7 |
| Snow days | 2 | 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