August Weather in Markham

Last updated: March 2, 2024

The weather in Markham, Canada, during August is characterized by an average temperature of 21°C (71°F). Highs can soar to 27°C (81°F), while lows may dip to 15°C (59°F). Typically, the humidity level in Markham throughout August hovers around 72%.

15°C (59°F)

Minimum temperature

21°C (71°F)

Average temperature

27°C (81°F)

Maximum temperature

72%

Humidity

Precipitation and Sunshine hours

In August, Markham averages 76 mm (3.0 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 13 hours 54 minutes of daylight, with the sun shining for approximately 11 hours 11 minutes each day. Additionally, there is a 50% probability of sunny days during this period.

76 mm (3.0 inches)

Precipitation

11 rainy days

Rainy days

11 hours 11 minutes

Sunshine hours

50%

Chance of sun

UV Index

In August, the UV Index in Markham reaches a maximum of 8, indicating a level of VeryHigh exposure. The most intense UV radiation typically occurs between 12:00 and 14:00, during which unprotected skin may burn in as little as 15 minutes.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
  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 3 4 6 8 8 8 7 5 3 2 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

Compare Markham's Climate with Cities Worldwide