Average annual temperature is 9.0 °C
Absolute maximum temperature: 29.8 °C
Absolute minimum temperature: -18.1 °C
Number of sunny days: 165 days
Number of rainy days: 161 days
Number of snow days: 39 days
Look at detailed online map of Iosco County
* Weather data for Iosco County 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) | 5.6 | 8.8 | 8.9 | 24.0 | 29.0 | 28.3 | 29.5 | 29.8 | 29.5 | 25.5 | 14.2 | 11.9 |
| Average daytime temperature (°C) | 1.1 | 2.1 | 3.2 | 12.0 | 16.0 | 21.9 | 25.0 | 22.8 | 21.1 | 15.0 | 7.2 | 4.9 |
| Average temperature (°C) | -1.3 | -2.4 | -0.4 | 7.1 | 11.3 | 17.8 | 20.7 | 19.0 | 17.5 | 11.6 | 3.4 | 2.4 |
| Average night temperature (°C) | -3.4 | -5.9 | -3.5 | 3.2 | 7.4 | 13.9 | 16.8 | 15.6 | 14.4 | 9.1 | 0.5 | 0.5 |
| Absolute minimum temperature (°C) | -15.8 | -18.1 | -10.2 | -5.2 | 1.7 | 9.9 | 13.7 | 10.4 | 8.8 | -1.3 | -6.5 | -5.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.5 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 3.2 | 6.4 | 7.4 | 8.4 | 10.9 | 12.4 | 12.2 | 10.2 | 8.7 | 6.3 | 5.8 | 3.2 |
| Precipitation (mm) | 63 | 72 | 62 | 95 | 21 | 51 | 167 | 125 | 28 | 62 | 48 | 45 |
| Sunny days | 9 | 13 | 13 | 11 | 22 | 20 | 6 | 11 | 18 | 11 | 19 | 12 |
| Rainy days | 10 | 8 | 6 | 19 | 9 | 10 | 25 | 20 | 12 | 19 | 7 | 16 |
| Snow days | 12 | 7 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 3 |
The best time to visit Iosco County during the most sunny months:
Months with the longest average daylight duration in Iosco County:
The largest precipitation sum in Iosco County is at