May Weather in Toronto

Last updated: March 2, 2024

The weather in Toronto, Canada, during May is characterized by an average temperature of 13°C (55°F). Highs can soar to 29°C (84°F), while lows may dip to 1°C (34°F). Typically, the humidity level in Toronto throughout May hovers around 82%.

1°C (34°F)

Minimum temperature

13°C (55°F)

Average temperature

29°C (84°F)

Maximum temperature

82%

Humidity

Precipitation and Sunshine hours

In May, Toronto averages 90 mm (3.6 inches) of rainfall, typically over the course of 11 rainy days. The month enjoys an average of 14 hours 45 minutes of daylight, with the sun shining for approximately 9 hours 28 minutes each day. Additionally, there is a 46% probability of sunny days during this period.

90 mm (3.6 inches)

Precipitation

11 rainy days

Rainy days

9 hours 28 minutes

Sunshine hours

46%

Chance of sun

UV Index

In May, the UV Index in Toronto reaches a maximum of 9, 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.

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 2 3 5 7 8 9 9 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

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