Toronto
Canada
Long-term weather forecast
Long-term weather forecast
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May weather forecast and Climate
Toronto, Canada

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Colorfully lit night city of Toronto, Canada, with a view of the Nathan Phillips Square, and a large Toronto sign
Colorfully lit night city of Toronto, Canada, with a view of the Nathan Phillips Square, and a large Toronto sign
Spring looks and feels much better in May, with warm and pleasant weather on most days. The mercury in the thermometer remains in the range of 10°C (50°F) and 17°C (62.6°F), and there are nine hours of sunshine per day.
The average precipitation drops to 30.5mm (1.2") collected from approximately sixteen days of minimal rainfall. Snowfall clears off as spring sets in fully.
Toronto looks magnificent and striking with the blossoming of flowers all over. The parks and other site seeing spots get busier as tourists take to outdoors and picnicking in the beautiful parks. Expect crowds to start building up as summer approaches.
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  • The average high temperature in May: 18.4°C

The warmest month (with the highest average high temperature) is July (26.6°C).
The month with the lowest average high temperature is January (-0.7°C).

  • The average low temperature in May: 9.9°C

The month with the highest average low temperature is July (18°C).
The coldest month (with the lowest average low temperature) is January (-6.7°C).

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  • The average rainfall in May: 82mm

The wettest month (with the highest rainfall) is September (84.7mm).
The driest month (with the lowest rainfall) is January (29.1mm).

  • The average rainfall days in May: 12.7 days

The month with the highest number of rainy days is May (12.7 days).
The month with the lowest number of rainy days is February (4.8 days).

  • The average snowfall in May: 0mm

The month with the highest snowfall is January (372mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

  • The average snowfall days in May: 0 days

The month with the highest number of snowfall days is January (12 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

  • The average sea temperature in May: 5.8°C

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is March (1.9°C).

  • The average daylight in May: 15h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The average sunshine in May: 7.3h

The month with most sunshine is July (Average sunshine: 9h).
The month with least sunshine is December (Average sunshine: 2.5h).

  • The average UV index in May: 7

Months with the highest UV index are June and July (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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