Average annual temperature is 14.2 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 186 days
Number of rainy days: 175 days
Number of snow days: 4 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) | 17.5 | 23.3 | 26.3 | 30.5 | 30.1 | 31.7 | 37.6 | 34.9 | 36.9 | 27.7 | 25.0 | 19.3 |
| Average daytime temperature (°C) | 9.6 | 12.3 | 13.4 | 22.0 | 23.1 | 27.5 | 32.2 | 30.8 | 26.5 | 21.0 | 13.2 | 10.3 |
| Average temperature (°C) | 5.3 | 6.4 | 7.1 | 14.9 | 16.5 | 21.0 | 25.6 | 24.5 | 20.7 | 15.2 | 7.5 | 5.5 |
| Average night temperature (°C) | 2.1 | 2.0 | 2.0 | 9.2 | 10.7 | 15.5 | 20.4 | 19.5 | 16.0 | 10.4 | 2.9 | 2.0 |
| Absolute minimum temperature (°C) | -3.8 | -9.9 | -5.9 | 1.9 | 5.2 | 11.0 | 18.1 | 15.8 | 10.1 | 4.6 | -5.6 | -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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.8 | 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) | 5.4 | 7.0 | 7.8 | 9.3 | 10.1 | 10.7 | 12.0 | 10.8 | 8.9 | 8.7 | 7.8 | 5.8 |
| Precipitation (mm) | 54 | 62 | 68 | 97 | 58 | 98 | 100 | 25 | 103 | 35 | 73 | 116 |
| Sunny days | 14 | 17 | 14 | 17 | 18 | 13 | 7 | 14 | 14 | 19 | 24 | 15 |
| Rainy days | 16 | 9 | 17 | 13 | 13 | 17 | 24 | 17 | 16 | 12 | 5 | 16 |
| Snow days | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Markham during the most sunny months:
The largest precipitation sum in Markham is at