Average annual temperature is 13.1 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -8.2 °C
Number of sunny days: 171 days
Number of rainy days: 187 days
Number of snow days: 7 days
Look at detailed online map of Summerside
* Weather data for Summerside 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) | 16.3 | 21.9 | 23.4 | 27.4 | 30.5 | 32.8 | 33.0 | 33.6 | 33.7 | 29.4 | 24.7 | 15.9 |
| Average daytime temperature (°C) | 7.8 | 12.5 | 12.5 | 18.5 | 23.1 | 27.0 | 29.6 | 28.9 | 26.3 | 19.6 | 12.7 | 9.3 |
| Average temperature (°C) | 3.5 | 5.5 | 6.0 | 11.9 | 16.7 | 20.9 | 23.9 | 23.0 | 20.1 | 14.1 | 6.9 | 4.4 |
| Average night temperature (°C) | 0.5 | 0.8 | 1.3 | 6.4 | 11.2 | 15.5 | 19.4 | 17.9 | 14.9 | 9.8 | 2.9 | 1.1 |
| Absolute minimum temperature (°C) | -5.8 | -8.2 | -7.4 | 0.4 | 3.0 | 10.7 | 16.0 | 12.7 | 9.6 | -0.7 | -6.8 | -6.2 |
| 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) | 4.2 | 7.8 | 7.4 | 9.2 | 10.3 | 11.3 | 11.8 | 11.5 | 10.4 | 7.5 | 7.8 | 4.9 |
| Precipitation (mm) | 128 | 49 | 135 | 76 | 56 | 109 | 84 | 110 | 53 | 94 | 35 | 75 |
| Sunny days | 5 | 16 | 14 | 14 | 18 | 14 | 9 | 15 | 16 | 16 | 23 | 11 |
| Rainy days | 22 | 12 | 14 | 16 | 13 | 16 | 22 | 16 | 14 | 15 | 7 | 20 |
| Snow days | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Summerside during the most sunny months:
The largest precipitation sum in Summerside is at