Average annual temperature is 11.0 °C
Absolute maximum temperature: 30.2 °C
Absolute minimum temperature: -24.3 °C
Number of sunny days: 169 days
Number of rainy days: 187 days
Number of snow days: 9 days
Look at detailed online map of Swampscott
* Weather data for Swampscott 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) | 12.0 | 14.6 | 14.9 | 27.5 | 28.8 | 26.5 | 30.2 | 29.0 | 29.1 | 26.7 | 18.2 | 15.3 |
| Average daytime temperature (°C) | 5.9 | 5.5 | 7.4 | 13.4 | 19.4 | 20.8 | 26.5 | 24.3 | 22.0 | 18.1 | 9.1 | 7.5 |
| Average temperature (°C) | 2.6 | 0.7 | 3.4 | 9.1 | 14.0 | 17.1 | 22.7 | 20.4 | 18.5 | 13.9 | 4.9 | 4.0 |
| Average night temperature (°C) | -0.4 | -3.6 | -0.2 | 5.5 | 9.3 | 14.0 | 19.5 | 17.1 | 15.6 | 10.6 | 1.5 | 1.2 |
| Absolute minimum temperature (°C) | -5.8 | -24.3 | -4.4 | -2.6 | 3.1 | 8.7 | 14.3 | 13.1 | 8.9 | 2.6 | -4.4 | -6.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.0 | 6.1 | 7.4 | 8.5 | 11.7 | 9.5 | 11.1 | 9.9 | 7.6 | 7.8 | 7.1 | 5.3 |
| Precipitation (mm) | 171 | 49 | 144 | 87 | 83 | 119 | 146 | 161 | 175 | 82 | 57 | 170 |
| Sunny days | 9 | 12 | 16 | 16 | 20 | 6 | 9 | 12 | 11 | 18 | 23 | 17 |
| Rainy days | 18 | 12 | 14 | 14 | 11 | 24 | 22 | 19 | 19 | 13 | 7 | 14 |
| Snow days | 4 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Swampscott during the most sunny months:
The largest precipitation sum in Swampscott is at