Average annual temperature is 9.2 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -29.6 °C
Number of sunny days: 159 days
Number of rainy days: 192 days
Number of snow days: 14 days
Look at detailed online map of Hillsborough County
* Weather data for Hillsborough 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) | 9.2 | 13.3 | 12.9 | 29.9 | 29.9 | 33.2 | 30.1 | 27.4 | 31.2 | 26.7 | 16.9 | 14.5 |
| Average daytime temperature (°C) | 3.3 | 3.1 | 5.5 | 13.9 | 19.8 | 22.1 | 26.2 | 23.8 | 21.4 | 16.8 | 7.0 | 6.1 |
| Average temperature (°C) | -0.5 | -2.6 | 0.7 | 8.1 | 13.2 | 16.8 | 21.4 | 19.1 | 17.0 | 12.1 | 2.3 | 1.7 |
| Average night temperature (°C) | -3.8 | -7.8 | -3.3 | 3.4 | 7.6 | 12.4 | 17.5 | 15.3 | 13.5 | 8.2 | -1.5 | -1.4 |
| Absolute minimum temperature (°C) | -11.3 | -29.6 | -8.3 | -5.2 | -0.1 | 6.0 | 12.2 | 11.6 | 7.5 | -0.6 | -6.8 | -8.6 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.3 | 6.5 | 7.2 | 8.2 | 11.4 | 8.7 | 10.1 | 9.6 | 7.6 | 7.4 | 7.0 | 5.2 |
| Precipitation (mm) | 155 | 47 | 131 | 86 | 103 | 172 | 196 | 151 | 186 | 111 | 53 | 178 |
| Sunny days | 9 | 16 | 15 | 15 | 19 | 4 | 4 | 10 | 14 | 15 | 21 | 17 |
| Rainy days | 17 | 9 | 12 | 15 | 12 | 26 | 27 | 21 | 16 | 16 | 8 | 13 |
| Snow days | 5 | 3 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Hillsborough County during the most sunny months:
Months with the longest average daylight duration in Hillsborough County:
The largest precipitation sum in Hillsborough County is at