Average annual temperature is 13.5 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -13.9 °C
Number of sunny days: 198 days
Number of rainy days: 157 days
Number of snow days: 10 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) | 19.1 | 15.0 | 21.9 | 27.7 | 30.5 | 33.3 | 36.1 | 37.4 | 32.0 | 30.9 | 24.3 | 16.0 |
| Average daytime temperature (°C) | 6.6 | 9.2 | 11.3 | 19.4 | 24.9 | 29.1 | 30.2 | 28.8 | 26.6 | 19.5 | 12.4 | 8.6 |
| Average temperature (°C) | 1.7 | 3.2 | 5.4 | 12.6 | 18.8 | 23.1 | 24.9 | 23.9 | 21.0 | 14.5 | 7.2 | 4.8 |
| Average night temperature (°C) | -1.3 | -1.3 | 1.2 | 6.9 | 13.2 | 17.4 | 20.1 | 19.6 | 16.1 | 10.4 | 2.7 | 2.0 |
| Absolute minimum temperature (°C) | -13.3 | -13.9 | -9.4 | -0.1 | 4.8 | 10.3 | 15.7 | 12.1 | 11.2 | -1.9 | -8.3 | -6.6 |
| 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) | 4.8 | 7.5 | 6.9 | 10.1 | 11.5 | 13.0 | 12.1 | 10.0 | 10.5 | 7.3 | 7.5 | 5.1 |
| Precipitation (mm) | 64 | 95 | 103 | 52 | 43 | 22 | 76 | 127 | 31 | 94 | 19 | 84 |
| Sunny days | 18 | 16 | 13 | 18 | 19 | 21 | 9 | 11 | 18 | 17 | 25 | 13 |
| Rainy days | 8 | 10 | 17 | 12 | 12 | 9 | 22 | 20 | 12 | 14 | 4 | 17 |
| Snow days | 5 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The best time to visit Markham during the most sunny months:
The largest precipitation sum in Markham is at