Average annual temperature is 18.8 °C
Absolute maximum temperature: 42.4 °C
Absolute minimum temperature: -10.2 °C
Number of sunny days: 241 days
Number of rainy days: 123 days
Number of snow days: 1 day
Look at detailed online map of Frederick
* Weather data for Frederick 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) | 26.8 | 28.7 | 28.9 | 35.1 | 34.5 | 41.7 | 41.4 | 42.4 | 41.8 | 32.7 | 27.9 | 22.4 |
| Average daytime temperature (°C) | 15.0 | 16.2 | 19.4 | 24.9 | 28.0 | 32.9 | 37.3 | 39.4 | 33.8 | 24.8 | 17.8 | 14.3 |
| Average temperature (°C) | 8.2 | 7.9 | 12.4 | 17.3 | 21.8 | 26.6 | 30.7 | 32.7 | 27.6 | 18.8 | 11.9 | 8.7 |
| Average night temperature (°C) | 2.8 | 2.5 | 7.1 | 11.2 | 16.9 | 21.2 | 25.0 | 26.1 | 22.2 | 13.9 | 7.2 | 4.3 |
| Absolute minimum temperature (°C) | -10.2 | -6.2 | -2.7 | 3.7 | 9.9 | 17.6 | 21.4 | 20.8 | 16.2 | -1.1 | -2.6 | -2.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.6 | 7.3 | 9.5 | 10.1 | 10.5 | 11.9 | 12.1 | 12.4 | 10.4 | 8.8 | 7.9 | 7.7 |
| Precipitation (mm) | 25 | 48 | 34 | 28 | 84 | 144 | 45 | 1 | 26 | 86 | 12 | 59 |
| Sunny days | 23 | 18 | 18 | 19 | 10 | 12 | 24 | 26 | 22 | 22 | 24 | 23 |
| Rainy days | 8 | 10 | 12 | 11 | 21 | 18 | 7 | 5 | 8 | 9 | 6 | 8 |
| Snow days | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Frederick during the most sunny months:
The largest precipitation sum in Frederick is at