Average annual temperature is 12.3 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 168 days
Number of rainy days: 184 days
Number of snow days: 13 days
Look at detailed online map of Bryn Mawr
* Weather data for Bryn Mawr 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) | 16.9 | 20.6 | 21.5 | 25.9 | 28.6 | 33.0 | 32.4 | 31.3 | 31.9 | 27.8 | 20.2 | 15.5 |
| Average daytime temperature (°C) | 6.5 | 10.8 | 10.6 | 17.4 | 21.8 | 25.7 | 28.3 | 27.0 | 24.5 | 18.1 | 11.3 | 8.5 |
| Average temperature (°C) | 2.5 | 3.9 | 4.6 | 11.2 | 15.9 | 20.1 | 23.2 | 21.8 | 19.3 | 13.5 | 5.8 | 4.6 |
| Average night temperature (°C) | -0.5 | -0.6 | 0.2 | 5.7 | 10.6 | 14.6 | 18.8 | 17.2 | 14.7 | 9.7 | 1.9 | 1.8 |
| Absolute minimum temperature (°C) | -9.0 | -9.9 | -7.5 | -0.3 | 2.3 | 9.2 | 14.8 | 11.0 | 9.4 | -0.5 | -7.1 | -4.3 |
| 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 | 15.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 3.3 | 7.0 | 7.1 | 9.0 | 10.3 | 10.3 | 11.8 | 10.7 | 9.3 | 6.9 | 7.1 | 4.5 |
| Precipitation (mm) | 130 | 43 | 147 | 122 | 74 | 127 | 114 | 110 | 32 | 75 | 46 | 47 |
| Sunny days | 8 | 16 | 12 | 14 | 19 | 14 | 6 | 15 | 17 | 14 | 22 | 11 |
| Rainy days | 18 | 11 | 15 | 16 | 12 | 16 | 25 | 16 | 13 | 17 | 7 | 18 |
| Snow days | 5 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Bryn Mawr during the most sunny months:
The largest precipitation sum in Bryn Mawr is at