Average annual temperature is 14.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -9.2 °C
Number of sunny days: 178 days
Number of rainy days: 187 days
Look at detailed online map of Glen Echo Heights
* Weather data for Glen Echo Heights 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) | 18.2 | 23.4 | 26.1 | 30.6 | 28.8 | 33.4 | 37.6 | 34.0 | 36.9 | 27.6 | 24.3 | 16.1 |
| Average daytime temperature (°C) | 10.0 | 12.0 | 13.2 | 22.0 | 23.1 | 27.6 | 31.6 | 30.3 | 26.5 | 21.1 | 13.5 | 10.4 |
| Average temperature (°C) | 5.9 | 6.6 | 7.3 | 15.2 | 16.7 | 21.3 | 25.4 | 24.4 | 21.1 | 15.4 | 7.9 | 6.0 |
| Average night temperature (°C) | 2.6 | 2.3 | 2.5 | 9.7 | 10.9 | 15.9 | 20.9 | 19.8 | 16.7 | 11.0 | 3.7 | 2.7 |
| Absolute minimum temperature (°C) | -2.8 | -9.2 | -4.7 | 1.9 | 5.1 | 11.5 | 18.5 | 15.9 | 10.5 | 5.7 | -5.2 | -3.3 |
| 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 | 14.9 | 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) | 5.3 | 6.3 | 7.4 | 9.1 | 10.5 | 10.6 | 11.8 | 10.6 | 8.5 | 8.4 | 7.7 | 5.4 |
| Precipitation (mm) | 77 | 70 | 85 | 117 | 38 | 141 | 131 | 58 | 116 | 36 | 63 | 190 |
| Sunny days | 14 | 16 | 14 | 17 | 15 | 12 | 5 | 10 | 14 | 18 | 24 | 19 |
| Rainy days | 17 | 12 | 17 | 13 | 16 | 18 | 26 | 21 | 16 | 13 | 6 | 12 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Glen Echo Heights during the most sunny months:
The largest precipitation sum in Glen Echo Heights is at