May weather forecast and climate
Windsor, Canada

Weather in May

May, the last month of the spring, in Windsor, is a comfortable month, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 10.1°C (50.2°F).

Temperature

In Windsor, the average high-temperature increases, from a cool 11.7°C (53.1°F) in April, to a comfortable 18.5°C (65.3°F). The average low-temperature, in Windsor, is 10.1°C (50.2°F).

Humidity

In May, the average relative humidity is 75%.

Rainfall

May is the month with the most rainfall. Rain falls for 16.8 days and accumulates 73mm (2.87") of precipitation.

Snowfall

January through May, October through December are months with snowfall. May is the last month it regularly snows in Windsor, Canada. During 0.3 snowfall days, in May, Windsor aggregates 11mm (0.43") of snow. In Windsor, Canada, during the entire year, snow falls for 54.3 days, and aggregates up to 377mm (14.84") of snow.

Sea temperature

In Windsor, the average water temperature is 9.4°C (48.9°F).
Note: Swimming in 9.4°C (48.9°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.

Daylight

In Windsor, the average length of the day is 14.6h.

Sunshine

The average sunshine in May is 8.9h.

UV index

In May, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 5 transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in May in Windsor?

In May, the average relative humidity in Windsor, Canada, is 75%.

What is the rainiest month in Windsor?

May is the month with the most rainfall in Windsor. Rain falls for 16.8 days and accumulates 73mm (2.87") of precipitation.

How many days does it rain in May in Windsor?

In May, in Windsor, Canada, the rain falls for 16.8 days. Throughout May, 73mm (2.87") of precipitation is accumulated.

What is the last month it snows in Windsor?

May is the last month it regularly snows. During 0.3 snowfall days, in May, Windsor aggregates 11mm (0.43") of snow.

What is the sea water temperature in May in Windsor?

In Windsor, the average seawater temperature in May is 9.4°C (48.9°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.

How many hours of daylight does Windsor have in May?

The average length of the day in May in Windsor, Canada, is 14.6h.

How long on average sun shines in May in Windsor?

In May, the average sunshine is 8.9h.

How high is the UV index in May in Windsor?

The average daily maximum UV index in May in Windsor, Canada, is 5. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to the UV radiation.

Average temperature in May
Windsor, Canada

Average temperature in May - Windsor, Canada
  • Average high temperature in May: 18.5°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 (-1.5°C).

  • Average low temperature in May: 10.1°C

The month with the highest average low temperature is July (18.8°C).
The coldest month (with the lowest average low temperature) is January (-6.9°C).

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Average pressure in May
Windsor, Canada

Average pressure in May - Windsor, Canada
  • Average pressure in May: 1015.3mbar

The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1013.5mbar).

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Average wind speed in May
Windsor, Canada

Average wind speed in May - Windsor, Canada
  • Average wind speed in May: 13.2km/h

The windiest month (with the highest average wind speed) is January (16.9km/h).
The calmest month (with the lowest average wind speed) is July (10.9km/h).

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Average humidity in May
Windsor, Canada

Average humidity in May - Windsor, Canada
  • Average humidity in May: 75%

The month with the highest relative humidity is February (85%).
Months with the lowest relative humidity are July and August (73%).

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Average rainfall in May
Windsor, Canada

Average rainfall in May - Windsor, Canada
  • Average rainfall in May: 73mm

The wettest month (with the highest rainfall) is May (73mm).
The driest month (with the least rainfall) is February (31mm).

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Average rainfall days in May
Windsor, Canada

Average rainfall days in May - Windsor, Canada
  • Average rainfall days in May: 16.8 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (7.1 days).

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Average snowfall in May
Windsor, Canada

Average snowfall in May - Windsor, Canada
  • Average snowfall in May: 11mm

The month with the highest snowfall is January (109mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Windsor, Canada

Average snowfall days in May - Windsor, Canada
  • Average snowfall days in May: 0.3 days

The month with the highest number of snowfall days is January (14.5 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in May
Windsor, Canada

Average sea temperature in May - Windsor, Canada
  • Average sea temperature in May: 9.4°C

The best month for swimming (with the highest average sea temperature) is August (24.1°C).
The coldest month (with the lowest average sea temperature) is February (0.4°C).

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Average daylight in May /
Average sunshine in May
Windsor, Canada

Average daylight in May / Average sunshine in May - Windsor, Canada
  • Average daylight in May: 14.6h

The month with the longest days is June (Average daylight: 15.2h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in May: 8.9h

The month with the most sunshine is July (Average sunshine: 10.6h).
The month with the least sunshine is January (Average sunshine: 3.2h).

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Average sunshine days in May
Windsor, Canada

Average sunshine days in May - Windsor, Canada
  • Average sunshine days in May: 12.3 days

The month with the most sunshine days is November (15.2 days).
The month with the least sunshine days is February (10.7 days).

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Average UV index in May
Windsor, Canada

Average UV index in May - Windsor, Canada
  • Average UV index in May: 5

Months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).

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Average cloud cover in May
Windsor, Canada

Average cloud cover in May - Windsor, Canada
  • Average cloud cover in May: 40

The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 27).

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Average visibility in May
Windsor, Canada

Average visibility in May - Windsor, Canada
  • Average visibility in May: 9km

The month with the highest visibility is October (10km).
The month with the lowest visibility is January (8km).

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