Average annual temperature is 10.2 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -20.3 °C
Number of sunny days: 144 days
Number of rainy days: 197 days
Number of snow days: 24 days
Look at detailed online map of Lambton County
* Weather data for Lambton County Canada is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.2 | 13.8 | 14.5 | 26.3 | 29.5 | 30.8 | 31.3 | 29.8 | 31.0 | 27.3 | 14.7 | 14.9 |
| Average daytime temperature (°C) | 3.4 | 5.2 | 5.9 | 15.0 | 20.5 | 24.6 | 26.7 | 24.7 | 22.9 | 15.8 | 8.4 | 6.7 |
| Average temperature (°C) | 0.3 | -0.4 | 1.5 | 9.1 | 13.6 | 19.0 | 21.7 | 19.7 | 18.1 | 12.1 | 4.2 | 3.6 |
| Average night temperature (°C) | -2.3 | -4.3 | -1.8 | 4.0 | 7.8 | 13.8 | 17.4 | 15.6 | 14.3 | 9.0 | 0.7 | 1.3 |
| Absolute minimum temperature (°C) | -18.3 | -20.3 | -9.4 | -3.9 | 0.6 | 9.4 | 13.5 | 9.2 | 8.1 | -3.0 | -7.3 | -4.2 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 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) | 2.8 | 6.7 | 6.1 | 8.2 | 11.3 | 11.8 | 11.6 | 10.1 | 9.0 | 5.0 | 5.7 | 3.2 |
| Precipitation (mm) | 71 | 67 | 92 | 113 | 40 | 76 | 139 | 144 | 51 | 88 | 34 | 74 |
| Sunny days | 8 | 12 | 11 | 12 | 23 | 13 | 3 | 11 | 15 | 8 | 16 | 12 |
| Rainy days | 15 | 12 | 13 | 18 | 8 | 17 | 28 | 20 | 15 | 22 | 11 | 18 |
| Snow days | 8 | 4 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 1 |
The best time to visit Lambton County during the most sunny months:
Months with the longest average daylight duration in Lambton County:
The largest precipitation sum in Lambton County is at