Average annual temperature is 13.1 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: -11.0 °C
Number of sunny days: 177 days
Number of rainy days: 182 days
Number of snow days: 6 days
Look at detailed online map of Joanna
* Weather data for Joanna 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) | 18.2 | 18.2 | 19.1 | 30.4 | 30.1 | 35.0 | 33.7 | 31.7 | 34.5 | 27.6 | 21.5 | 16.0 |
| Average daytime temperature (°C) | 8.3 | 9.4 | 10.7 | 19.7 | 22.8 | 26.6 | 30.1 | 28.2 | 24.3 | 19.5 | 11.3 | 8.7 |
| Average temperature (°C) | 4.6 | 4.3 | 5.1 | 13.3 | 16.0 | 20.3 | 24.6 | 22.9 | 19.4 | 14.3 | 6.4 | 4.8 |
| Average night temperature (°C) | 1.7 | 0.0 | 0.5 | 8.2 | 9.6 | 15.0 | 20.1 | 18.6 | 15.5 | 10.3 | 2.3 | 1.7 |
| Absolute minimum temperature (°C) | -4.6 | -11.0 | -6.1 | 0.5 | 2.9 | 10.6 | 16.3 | 14.3 | 9.9 | 4.0 | -5.5 | -4.1 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 4.8 | 6.8 | 7.4 | 9.0 | 11.5 | 10.8 | 11.8 | 10.4 | 8.0 | 8.5 | 7.5 | 4.4 |
| Precipitation (mm) | 93 | 49 | 67 | 123 | 24 | 126 | 124 | 75 | 159 | 52 | 76 | 196 |
| Sunny days | 11 | 16 | 14 | 15 | 19 | 11 | 7 | 15 | 15 | 20 | 19 | 15 |
| Rainy days | 20 | 9 | 16 | 15 | 12 | 19 | 24 | 16 | 15 | 11 | 10 | 15 |
| Snow days | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Joanna during the most sunny months:
The largest precipitation sum in Joanna is at