Average annual temperature is 10.5 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -21.4 °C
Number of sunny days: 166
Number of rainy days: 172
Number of snow days: 27
Average annual precipitation: 1031 mm
Look at detailed online map of Ionia
* Weather data for Ionia United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 8.6 | 12.3 | 16.9 | 26.9 | 33 | 34.1 | 33 | 32 | 32 | 28.9 | 16.7 | 13.6 |
| Average daytime temperature (°C) | 2.7 | 4.1 | 6.9 | 15.9 | 22.7 | 27.8 | 27.7 | 26 | 23.2 | 16 | 8.6 | 6.4 |
| Average temperature (°C) | -0.4 | -1.1 | 1.7 | 9.2 | 15.3 | 20.9 | 22.1 | 20.2 | 18 | 11.6 | 4.1 | 3.3 |
| Average night temperature (°C) | -2.9 | -5.5 | -2.4 | 4.1 | 8.4 | 14.3 | 16.9 | 15.5 | 13.7 | 8 | 0.4 | 1.1 |
| Absolute minimum temperature (°C) | -21.4 | -19 | -10.7 | -4.4 | 1.5 | 9 | 12.3 | 9.1 | 7.6 | -0.5 | -7.7 | -5.3 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.9 | 11.2 | 12.7 | 14.1 | 15.1 | 15.4 | 15.3 | 14.5 | 13.2 | 11.8 | 10.3 | 9.3 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.1 | 10 | 11.2 | 12.7 | 14.1 | 15.1 | 14.6 | 13.2 | 11.8 | 10.4 | 9.3 | 9 |
| Sunshine mean duration (h) | 4.1 | 7.6 | 7.6 | 9.1 | 10.8 | 11.8 | 11.9 | 10.4 | 8.2 | 6.5 | 7 | 4.4 |
| Precipitation (mm) | 64 | 99 | 110 | 96 | 19 | 45 | 161 | 166 | 41 | 111 | 63 | 55 |
| Sunny days | 7 | 14 | 12 | 13 | 21 | 18 | 9 | 15 | 17 | 8 | 17 | 15 |
| Rainy days | 13 | 9 | 14 | 16 | 10 | 12 | 22 | 16 | 13 | 23 | 9 | 15 |
| Snow days | 11 | 5 | 5 | 1 | 4 | 1 |
The best time to visit Ionia during the most sunny months:
Months with the longest average daylight duration in Ionia:
The largest precipitation sum in Ionia is at