Average annual temperature is 11.2 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 178 days
Number of rainy days: 171 days
Number of snow days: 16 days
Look at detailed online map of Markham
* Weather data for Markham 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) | 13.4 | 15.1 | 21.4 | 25.8 | 32.1 | 32.6 | 32.7 | 36.3 | 33.2 | 28.1 | 20.4 | 14.7 |
| Average daytime temperature (°C) | 3.5 | 6.5 | 8.0 | 16.7 | 21.7 | 26.9 | 28.0 | 26.9 | 24.0 | 17.1 | 10.3 | 7.0 |
| Average temperature (°C) | -0.2 | 1.0 | 2.8 | 10.0 | 15.2 | 20.2 | 22.4 | 21.8 | 19.0 | 12.6 | 5.1 | 3.5 |
| Average night temperature (°C) | -3.1 | -3.0 | -0.8 | 4.4 | 10.0 | 14.8 | 17.7 | 17.7 | 15.0 | 9.2 | 1.0 | 0.9 |
| Absolute minimum temperature (°C) | -19.2 | -17.1 | -11.1 | -3.2 | 1.7 | 8.6 | 13.9 | 12.2 | 9.3 | -3.1 | -10.3 | -7.9 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 2.9 | 7.7 | 6.5 | 9.2 | 10.4 | 11.8 | 11.6 | 10.6 | 8.1 | 6.3 | 7.1 | 3.8 |
| Precipitation (mm) | 62 | 95 | 119 | 60 | 46 | 47 | 209 | 167 | 110 | 126 | 43 | 82 |
| Sunny days | 11 | 18 | 12 | 15 | 18 | 17 | 13 | 18 | 10 | 10 | 22 | 14 |
| Rainy days | 12 | 8 | 18 | 15 | 13 | 13 | 18 | 13 | 20 | 20 | 6 | 15 |
| Snow days | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 2 |
The best time to visit Markham during the most sunny months:
The largest precipitation sum in Markham is at