Average annual temperature is 14.0 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -8.1 °C
Number of sunny days: 178 days
Number of rainy days: 184 days
Number of snow days: 3 days
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) | 17.4 | 24.3 | 24.1 | 28.9 | 30.9 | 34.5 | 34.7 | 34.5 | 34.5 | 29.6 | 25.0 | 18.5 |
| Average daytime temperature (°C) | 9.5 | 13.8 | 13.7 | 20.1 | 24.0 | 27.8 | 30.8 | 29.8 | 27.3 | 20.7 | 13.9 | 10.8 |
| Average temperature (°C) | 4.7 | 6.6 | 6.9 | 13.2 | 17.4 | 21.5 | 24.6 | 23.5 | 20.8 | 14.9 | 7.7 | 5.6 |
| Average night temperature (°C) | 1.3 | 1.8 | 1.9 | 7.2 | 11.6 | 15.7 | 19.8 | 18.5 | 15.4 | 10.4 | 3.2 | 1.9 |
| Absolute minimum temperature (°C) | -6.6 | -8.1 | -7.4 | 0.0 | 4.3 | 10.5 | 15.7 | 13.0 | 10.5 | 2.1 | -6.4 | -4.9 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.4 | 7.6 | 7.7 | 9.5 | 9.9 | 11.3 | 11.8 | 10.7 | 9.9 | 7.3 | 7.3 | 5.5 |
| Precipitation (mm) | 122 | 67 | 80 | 61 | 62 | 65 | 64 | 108 | 46 | 60 | 46 | 75 |
| Sunny days | 11 | 16 | 16 | 16 | 17 | 15 | 5 | 15 | 15 | 14 | 23 | 15 |
| Rainy days | 19 | 10 | 15 | 14 | 14 | 15 | 26 | 16 | 15 | 17 | 7 | 16 |
| Snow days | 1 | 2 | 0 | 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