Average annual temperature is 11.8 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 145 days
Number of rainy days: 207 days
Number of snow days: 13 days
Look at detailed online map of Bertha
* Weather data for Bertha 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) | 15.4 | 20.7 | 20.1 | 27.0 | 30.1 | 33.4 | 32.6 | 31.9 | 33.2 | 28.0 | 17.8 | 15.6 |
| Average daytime temperature (°C) | 7.2 | 10.6 | 10.0 | 18.1 | 21.8 | 25.6 | 28.7 | 27.0 | 24.3 | 17.9 | 10.8 | 8.5 |
| Average temperature (°C) | 2.9 | 3.8 | 4.2 | 11.2 | 15.0 | 19.3 | 22.7 | 21.2 | 18.4 | 12.9 | 5.5 | 4.4 |
| Average night temperature (°C) | -0.1 | -1.0 | -0.2 | 5.5 | 8.9 | 13.8 | 18.0 | 16.4 | 13.7 | 9.0 | 1.5 | 1.4 |
| Absolute minimum temperature (°C) | -6.4 | -12.1 | -8.1 | -2.9 | 1.3 | 8.7 | 14.1 | 11.5 | 8.2 | 0.9 | -7.3 | -5.3 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.3 |
| 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) | 2.9 | 6.7 | 6.4 | 8.6 | 10.4 | 10.8 | 11.5 | 10.8 | 9.0 | 6.7 | 6.7 | 4.3 |
| Precipitation (mm) | 129 | 62 | 137 | 70 | 82 | 132 | 101 | 80 | 34 | 88 | 43 | 65 |
| Sunny days | 7 | 13 | 9 | 15 | 21 | 11 | 4 | 9 | 12 | 13 | 19 | 12 |
| Rainy days | 19 | 13 | 19 | 15 | 10 | 19 | 27 | 22 | 18 | 18 | 10 | 17 |
| Snow days | 5 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Bertha during the most sunny months:
The largest precipitation sum in Bertha is at