Average annual temperature is 15.7 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -6.8 °C
Number of sunny days: 210 days
Number of rainy days: 155 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) | 19.8 | 25.2 | 28.7 | 30.8 | 29.2 | 32.0 | 37.3 | 35.2 | 35.6 | 28.7 | 27.9 | 21.3 |
| Average daytime temperature (°C) | 11.9 | 15.3 | 16.4 | 22.9 | 24.0 | 27.9 | 32.9 | 31.2 | 27.7 | 22.5 | 15.7 | 12.7 |
| Average temperature (°C) | 7.0 | 9.5 | 10.0 | 15.8 | 17.9 | 21.6 | 26.5 | 25.0 | 21.5 | 16.2 | 9.4 | 7.0 |
| Average night temperature (°C) | 3.4 | 5.1 | 4.9 | 9.5 | 12.8 | 16.1 | 21.1 | 20.0 | 16.6 | 11.3 | 4.5 | 2.9 |
| Absolute minimum temperature (°C) | -4.1 | -6.8 | -4.8 | 1.4 | 6.3 | 11.7 | 16.6 | 15.2 | 11.6 | 5.3 | -4.8 | -4.3 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.8 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 5.8 | 6.8 | 8.2 | 9.7 | 10.0 | 10.6 | 12.2 | 10.8 | 9.5 | 9.1 | 8.3 | 6.5 |
| Precipitation (mm) | 108 | 72 | 51 | 111 | 101 | 89 | 36 | 125 | 92 | 33 | 40 | 153 |
| Sunny days | 15 | 16 | 16 | 16 | 15 | 13 | 16 | 16 | 21 | 22 | 27 | 17 |
| Rainy days | 16 | 12 | 15 | 14 | 16 | 17 | 15 | 15 | 9 | 9 | 3 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Markham during the most sunny months:
The largest precipitation sum in Markham is at