Average annual temperature is 11.3 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -5.8 °C
Number of sunny days: 157 days
Number of rainy days: 206 days
Number of snow days: 2 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) | 12.8 | 14.0 | 17.1 | 23.1 | 29.5 | 29.3 | 30.6 | 33.9 | 26.5 | 25.3 | 15.6 | 14.6 |
| Average daytime temperature (°C) | 8.5 | 7.9 | 10.7 | 12.5 | 20.9 | 22.7 | 27.1 | 27.4 | 21.6 | 16.4 | 10.4 | 10.2 |
| Average temperature (°C) | 5.4 | 4.1 | 5.6 | 7.8 | 14.8 | 16.0 | 19.9 | 20.7 | 15.6 | 11.6 | 6.7 | 7.1 |
| Average night temperature (°C) | 3.1 | 1.3 | 2.0 | 4.6 | 9.9 | 11.0 | 13.9 | 15.5 | 11.9 | 8.4 | 4.0 | 4.7 |
| Absolute minimum temperature (°C) | -5.7 | -5.8 | -2.6 | 0.8 | 6.9 | 7.8 | 12.0 | 12.2 | 7.6 | -1.3 | -2.4 | 0.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 10.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 |
| Daylight mean duration (h) | 8.9 | 10.3 | 11.9 | 13.6 | 15.1 | 15.9 | 15.5 | 14.2 | 12.6 | 10.9 | 9.3 | 8.5 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.7 | 4.8 | 7.1 | 6.6 | 10.6 | 11.3 | 13.0 | 11.3 | 7.9 | 6.5 | 5.3 | 3.0 |
| Precipitation (mm) | 112 | 80 | 102 | 194 | 29 | 45 | 7 | 49 | 119 | 104 | 167 | 268 |
| Sunny days | 4 | 10 | 8 | 5 | 17 | 19 | 25 | 20 | 13 | 14 | 13 | 9 |
| Rainy days | 26 | 17 | 23 | 25 | 14 | 11 | 6 | 11 | 17 | 17 | 17 | 22 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Bryn Mawr during the most sunny months:
Months with the longest average daylight duration in Bryn Mawr:
The largest precipitation sum in Bryn Mawr is at