Average annual temperature is 21.8 °C
Absolute maximum temperature: 42.9 °C
Absolute minimum temperature: -0.8 °C
Number of sunny days: 196 days
Number of rainy days: 169 days
Look at detailed online map of Old River
* Weather data for Old River 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) | 25.1 | 27.7 | 31.1 | 33.1 | 32.0 | 38.9 | 39.8 | 42.9 | 40.3 | 35.1 | 30.1 | 27.0 |
| Average daytime temperature (°C) | 18.3 | 19.9 | 24.1 | 24.7 | 28.2 | 34.7 | 37.5 | 40.1 | 35.0 | 28.2 | 20.7 | 19.7 |
| Average temperature (°C) | 13.1 | 13.4 | 18.2 | 18.9 | 23.4 | 28.7 | 31.5 | 33.3 | 29.2 | 22.2 | 15.5 | 13.2 |
| Average night temperature (°C) | 9.1 | 9.0 | 13.7 | 14.4 | 19.2 | 23.7 | 26.0 | 27.0 | 24.1 | 17.6 | 11.5 | 8.1 |
| Absolute minimum temperature (°C) | -0.4 | -0.8 | 3.1 | 10.0 | 11.9 | 19.3 | 23.4 | 23.3 | 19.3 | 5.9 | 2.2 | -0.2 |
| 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 | 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 | 12.3 | 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 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 6.5 | 7.3 | 7.8 | 8.2 | 9.0 | 11.6 | 12.5 | 12.2 | 10.6 | 8.4 | 6.6 | 7.8 |
| Precipitation (mm) | 76 | 62 | 69 | 249 | 168 | 67 | 16 | 0 | 53 | 63 | 64 | 32 |
| Sunny days | 16 | 14 | 10 | 7 | 9 | 12 | 26 | 27 | 20 | 15 | 17 | 23 |
| Rainy days | 15 | 14 | 21 | 23 | 22 | 18 | 5 | 4 | 10 | 16 | 13 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Old River during the most sunny months:
The largest precipitation sum in Old River is at