Average annual temperature is 14.9 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 248 days
Number of rainy days: 109 days
Number of snow days: 8 days
Look at detailed online map of Optima
* Weather data for Optima 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) | 21.7 | 22.4 | 25.7 | 30.7 | 34.9 | 37.0 | 39.0 | 39.3 | 38.9 | 31.5 | 30.7 | 24.4 |
| Average daytime temperature (°C) | 10.1 | 13.1 | 16.4 | 22.7 | 25.9 | 28.3 | 34.1 | 34.8 | 31.3 | 23.2 | 16.7 | 11.6 |
| Average temperature (°C) | 3.0 | 4.2 | 8.3 | 14.1 | 19.1 | 21.8 | 26.8 | 27.2 | 24.1 | 15.7 | 9.0 | 5.0 |
| Average night temperature (°C) | -2.0 | -2.2 | 2.0 | 7.5 | 13.4 | 16.6 | 20.8 | 20.8 | 17.9 | 9.2 | 3.1 | 0.5 |
| Absolute minimum temperature (°C) | -15.2 | -12.9 | -6.4 | -2.2 | 5.3 | 12.7 | 16.2 | 15.7 | 12.1 | -5.6 | -5.2 | -4.5 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 9.0 | 9.8 | 10.6 | 10.2 | 11.6 | 12.5 | 11.8 | 10.5 | 9.6 | 8.2 | 7.0 |
| Precipitation (mm) | 14 | 17 | 12 | 29 | 117 | 103 | 82 | 12 | 31 | 16 | 5 | 46 |
| Sunny days | 25 | 21 | 23 | 22 | 9 | 12 | 17 | 23 | 22 | 24 | 27 | 23 |
| Rainy days | 4 | 5 | 7 | 7 | 22 | 18 | 14 | 8 | 8 | 7 | 1 | 8 |
| Snow days | 2 | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The best time to visit Optima during the most sunny months:
The largest precipitation sum in Optima is at