Last updated: March 2, 2024
The weather in Markham, Canada, during April is characterized by an average temperature of 5°C (41°F). Highs can soar to 13°C (55°F), while lows may dip to -2°C (29°F). Typically, the humidity level in Markham throughout April hovers around 88%.
Minimum temperature
Average temperature
Maximum temperature
Humidity
In April, Markham averages 118 mm (4.6 inches) of rainfall, typically over the course of 13 rainy days. The month enjoys an average of 13 hours 28 minutes of daylight, with the sun shining for approximately 8 hours 0 minutes each day. Additionally, there is a 40% probability of sunny days during this period.
Precipitation
Rainy days
Sunshine hours
Chance of sun
In April, the UV Index in Markham reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 13:00 and 15:00, during which unprotected skin may burn in as little as 15 minutes.
| 07:00 | 08:00 | 09:00 | 10:00 | 11:00 | 12:00 | 13:00 | 14:00 | 15:00 | 16:00 | 17:00 | 18:00 | 19:00 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UVI | 1 | 1 | 2 | 4 | 6 | 7 | 8 | 7 | 6 | 4 | 3 | 1 | 1 |
| Exposure | Low | Moderate | High | VeryHigh | High | Moderate | Low | ||||||
| Time to burn | 45 min | 30 min | 25 min | 15 min | 25 min | 30 min | 45 min | ||||||