Average annual temperature is 21.1 °C
Absolute maximum temperature: 39.4 °C
Absolute minimum temperature: 1.2 °C
Number of sunny days: 147 days
Number of rainy days: 218 days
Look at detailed online map of Bay County
* Weather data for Bay 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) | 24.4 | 25.6 | 26.7 | 28.2 | 30.8 | 35.0 | 34.5 | 39.4 | 32.3 | 30.3 | 25.7 | 24.6 |
| Average daytime temperature (°C) | 19.0 | 21.2 | 22.4 | 25.0 | 27.3 | 29.6 | 31.4 | 34.0 | 30.1 | 26.1 | 20.7 | 17.4 |
| Average temperature (°C) | 14.5 | 16.9 | 18.3 | 20.5 | 23.1 | 26.0 | 28.1 | 29.5 | 25.6 | 21.0 | 16.0 | 13.1 |
| Average night temperature (°C) | 10.8 | 13.7 | 14.7 | 16.7 | 19.0 | 22.6 | 24.9 | 25.9 | 21.8 | 16.5 | 12.0 | 9.5 |
| Absolute minimum temperature (°C) | 1.2 | 2.8 | 1.9 | 10.2 | 13.9 | 19.3 | 23.5 | 23.4 | 18.2 | 10.3 | 3.2 | 2.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.4 | 11.1 | 12.0 | 12.9 | 13.7 | 14.1 | 13.9 | 13.2 | 12.3 | 11.4 | 10.6 | 10.2 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 7.7 | 8.1 | 8.9 | 9.5 | 11.1 | 11.0 | 11.1 | 11.3 | 10.0 | 9.3 | 7.1 | 6.3 |
| Precipitation (mm) | 270 | 86 | 104 | 128 | 98 | 178 | 178 | 126 | 162 | 48 | 106 | 183 |
| Sunny days | 16 | 13 | 13 | 11 | 9 | 4 | 1 | 4 | 11 | 25 | 19 | 21 |
| Rainy days | 15 | 15 | 18 | 19 | 22 | 26 | 30 | 27 | 19 | 6 | 11 | 10 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bay County is at