Average annual temperature is 14.3 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 201 days
Number of rainy days: 158 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) | 17.6 | 16.9 | 21.7 | 29.6 | 31.3 | 33.9 | 38.3 | 38.3 | 33.9 | 30.2 | 24.5 | 17.3 |
| Average daytime temperature (°C) | 7.1 | 10.1 | 11.6 | 20.6 | 26.1 | 30.2 | 31.7 | 30.1 | 28.1 | 20.3 | 13.2 | 9.6 |
| Average temperature (°C) | 2.1 | 3.8 | 5.9 | 13.4 | 19.6 | 23.9 | 25.9 | 24.9 | 22.0 | 15.4 | 8.0 | 5.5 |
| Average night temperature (°C) | -1.0 | -0.9 | 1.8 | 7.5 | 14.0 | 18.4 | 21.0 | 20.8 | 17.2 | 11.3 | 3.8 | 2.6 |
| Absolute minimum temperature (°C) | -12.0 | -13.5 | -8.7 | 1.3 | 6.3 | 11.5 | 17.6 | 14.3 | 13.2 | -1.2 | -6.4 | -4.6 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.6 | 13.7 | 12.5 | 11.2 | 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) | 5.4 | 7.6 | 6.9 | 10.4 | 11.5 | 12.5 | 12.0 | 10.3 | 10.1 | 7.3 | 7.7 | 5.2 |
| Precipitation (mm) | 57 | 87 | 75 | 24 | 80 | 33 | 41 | 157 | 24 | 81 | 14 | 87 |
| Sunny days | 18 | 18 | 14 | 20 | 18 | 17 | 12 | 10 | 15 | 17 | 24 | 18 |
| Rainy days | 9 | 9 | 17 | 9 | 13 | 13 | 19 | 21 | 15 | 14 | 6 | 13 |
| Snow days | 4 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Joanna during the most sunny months:
The largest precipitation sum in Joanna is at