Average annual temperature is 22.3 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 1.7 °C
Number of sunny days: 137 days
Number of rainy days: 228 days
Look at detailed online map of Altoona
* Weather data for Altoona 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) | 27.5 | 29.6 | 31.8 | 32.8 | 33.2 | 34.9 | 36.7 | 37.4 | 34.6 | 31.0 | 29.4 | 27.3 |
| Average daytime temperature (°C) | 22.0 | 25.8 | 27.0 | 28.7 | 29.5 | 31.6 | 33.5 | 34.6 | 31.2 | 27.6 | 23.7 | 20.7 |
| Average temperature (°C) | 16.0 | 19.2 | 20.5 | 22.6 | 23.5 | 26.0 | 27.7 | 28.6 | 25.8 | 22.5 | 18.9 | 16.3 |
| Average night temperature (°C) | 11.7 | 14.2 | 15.7 | 18.3 | 19.0 | 22.1 | 24.2 | 24.6 | 22.1 | 18.9 | 15.3 | 13.1 |
| Absolute minimum temperature (°C) | 1.7 | 6.5 | 6.5 | 13.0 | 14.7 | 18.5 | 22.5 | 23.1 | 18.4 | 11.3 | 5.9 | 5.5 |
| 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 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 8.5 | 9.1 | 10.1 | 10.0 | 11.6 | 11.2 | 11.0 | 11.3 | 10.1 | 9.1 | 6.8 | 6.8 |
| Precipitation (mm) | 31 | 31 | 30 | 114 | 98 | 159 | 158 | 101 | 171 | 49 | 144 | 100 |
| Sunny days | 23 | 17 | 15 | 9 | 11 | 2 | 1 | 1 | 7 | 21 | 17 | 13 |
| Rainy days | 8 | 11 | 16 | 21 | 20 | 28 | 30 | 30 | 23 | 10 | 13 | 18 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Altoona is at