Average annual temperature is 14.2 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 182 days
Number of rainy days: 182 days
Number of snow days: 1 day
Look at detailed online map of Glassboro
* Weather data for Glassboro 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) | 17.9 | 20.1 | 19.4 | 29.3 | 28.9 | 34.6 | 35.7 | 33.4 | 35.8 | 28.2 | 20.5 | 16.1 |
| Average daytime temperature (°C) | 9.9 | 10.3 | 12.2 | 20.4 | 22.3 | 27.2 | 31.3 | 29.7 | 26.1 | 20.9 | 12.8 | 10.1 |
| Average temperature (°C) | 5.9 | 5.5 | 6.5 | 14.3 | 16.2 | 21.0 | 25.7 | 24.3 | 21.0 | 15.5 | 7.7 | 6.1 |
| Average night temperature (°C) | 2.6 | 1.1 | 1.6 | 9.3 | 10.5 | 15.7 | 21.2 | 20.0 | 16.8 | 11.2 | 3.5 | 2.5 |
| Absolute minimum temperature (°C) | -4.2 | -10.0 | -4.1 | 1.3 | 4.5 | 10.8 | 17.9 | 15.9 | 11.9 | 5.2 | -4.8 | -4.0 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 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) | 4.7 | 6.8 | 7.4 | 9.3 | 11.5 | 10.7 | 11.7 | 10.2 | 8.2 | 8.6 | 7.8 | 5.1 |
| Precipitation (mm) | 98 | 46 | 76 | 146 | 51 | 81 | 119 | 56 | 161 | 39 | 58 | 198 |
| Sunny days | 13 | 15 | 14 | 16 | 19 | 13 | 8 | 12 | 13 | 18 | 23 | 18 |
| Rainy days | 18 | 12 | 17 | 14 | 12 | 17 | 23 | 19 | 17 | 13 | 7 | 13 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Glassboro during the most sunny months:
The largest precipitation sum in Glassboro is at