Average annual temperature is 19.3 °C
Absolute maximum temperature: 37.9 °C
Absolute minimum temperature: -1.4 °C
Number of sunny days: 197 days
Number of rainy days: 168 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) | 22.7 | 26.7 | 26.7 | 29.3 | 31.2 | 35.9 | 36.2 | 37.9 | 34.3 | 32.4 | 28.0 | 23.7 |
| Average daytime temperature (°C) | 15.4 | 17.7 | 20.2 | 22.6 | 27.6 | 31.8 | 33.2 | 34.5 | 31.4 | 26.6 | 18.9 | 15.6 |
| Average temperature (°C) | 11.1 | 12.3 | 14.7 | 17.2 | 22.6 | 26.6 | 28.1 | 29.0 | 25.6 | 20.6 | 13.5 | 10.1 |
| Average night temperature (°C) | 7.7 | 8.5 | 10.6 | 13.1 | 18.2 | 22.0 | 23.9 | 24.4 | 20.5 | 15.6 | 9.3 | 5.7 |
| Absolute minimum temperature (°C) | -0.4 | -1.4 | -1.2 | 9.5 | 9.8 | 19.6 | 19.6 | 19.1 | 16.2 | 4.9 | 0.9 | -0.6 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.3 | 14.1 | 13.4 | 12.4 | 11.3 | 10.4 | 10.0 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 6.2 | 7.0 | 8.4 | 8.5 | 11.4 | 12.1 | 11.3 | 11.2 | 10.6 | 8.7 | 6.4 | 7.3 |
| Precipitation (mm) | 186 | 147 | 177 | 159 | 71 | 92 | 100 | 77 | 64 | 25 | 46 | 59 |
| Sunny days | 12 | 9 | 18 | 14 | 13 | 12 | 15 | 18 | 20 | 25 | 18 | 23 |
| Rainy days | 19 | 19 | 13 | 16 | 18 | 18 | 16 | 13 | 10 | 6 | 12 | 8 |
| 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