Average annual temperature is 17.9 °C
Absolute maximum temperature: 39.6 °C
Absolute minimum temperature: -2.1 °C
Number of sunny days: 214 days
Number of rainy days: 151 days
Look at detailed online map of Castelar
* Weather data for Castelar Argentina is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 37.2 | 39.0 | 39.6 | 28.6 | 24.5 | 24.4 | 27.0 | 27.1 | 24.6 | 28.7 | 31.1 | 32.6 |
| Average daytime temperature (°C) | 31.6 | 30.7 | 30.7 | 22.5 | 19.6 | 16.1 | 15.7 | 17.3 | 17.8 | 22.2 | 24.9 | 26.7 |
| Average temperature (°C) | 25.8 | 24.6 | 25.6 | 17.4 | 14.7 | 11.3 | 11.5 | 12.3 | 13.6 | 16.7 | 19.7 | 22.0 |
| Average night temperature (°C) | 20.8 | 18.8 | 21.4 | 13.1 | 10.7 | 7.1 | 7.8 | 8.2 | 9.5 | 11.7 | 14.6 | 17.4 |
| Absolute minimum temperature (°C) | 14.7 | 9.1 | 12.7 | 5.6 | 2.0 | -1.1 | -2.1 | 1.5 | 4.4 | 3.6 | 7.0 | 10.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 |
| Daylight mean duration (h) | 14.2 | 13.3 | 12.3 | 11.2 | 10.3 | 9.9 | 10.1 | 10.9 | 11.9 | 13.0 | 13.9 | 14.4 |
| Daylight minimum duration (h) | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 |
| Sunshine mean duration (h) | 11.6 | 11.0 | 10.3 | 8.5 | 7.2 | 6.7 | 7.1 | 8.1 | 7.1 | 10.4 | 11.1 | 10.8 |
| Precipitation (mm) | 45 | 28 | 104 | 85 | 120 | 16 | 46 | 30 | 40 | 64 | 156 | 146 |
| Sunny days | 19 | 18 | 18 | 17 | 18 | 19 | 19 | 20 | 17 | 19 | 16 | 14 |
| Rainy days | 12 | 10 | 13 | 13 | 13 | 11 | 12 | 11 | 13 | 12 | 14 | 17 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Castelar during the most sunny months:
The largest precipitation sum in Castelar is at