May weather forecast
Markham, Canada

Weather in May

May, the last month of the spring in Markham, is a comfortable month, with an average temperature fluctuating between 8°C (46.4°F) and 16.4°C (61.5°F).

Temperature

In Markham, the average high-temperature in May rises from a frosty 9.3°C (48.7°F) in April to an enjoyable 16.4°C (61.5°F). In May, the average low-temperature is 8°C (46.4°F).

Humidity

The average relative humidity in May in Markham is 76%.

Rainfall

In Markham, in May, it is raining for 16.5 days, with typically 65mm (2.56") of accumulated precipitation. Throughout the year, in Markham, there are 157.1 rainfall days, and 653mm (25.71") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Markham. May is the last month it regularly snows. During 0.3 snowfall days, in May, Markham aggregates 1mm (0.04") of snow. In Markham, during the entire year, snow falls for 51.3 days and aggregates up to 415mm (16.34") of snow.

Daylight

In Markham, the average length of the day in May is 14h and 46min.
On the first day of the month, sunrise is at 6:08 am and sunset at 8:20 pm. On the last day of May, in Markham, sunrise is at 5:38 am and sunset at 8:51 pm EDT.

Sunshine

The average sunshine in May in Markham is 8.9h.

UV index

In May, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.
Note: The daily maximum UV index of 4 in May interpret into the following advice:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in May in Markham?

In May, the average high-temperature is 16.4°C (61.5°F), and the average low-temperature is 8°C (46.4°F).

What is the average humidity in May in Markham?

In May, the average relative humidity is 76%.

How many days does it rain in May in Markham?

In Markham, Canada, in May, it is raining for 16.5 days, with typically 65mm (2.56") of accumulated precipitation.

What is the last month it snows in Markham?

May is the last month it regularly snows in Markham. During 0.3 snowfall days, in May, Markham aggregates 1mm (0.04") of snow.

What is the average length of the day in May in Markham?

In May, the average day length is 14h and 46min.

What time are sunrise and sunset in May in Markham?

On the first day of May in Markham, sunrise is at 6:08 am and sunset at 8:20 pm. On the last day of the month, sunrise is at 5:38 am and sunset at 8:51 pm EDT.

How many hours of sunshine does Markham have in May?

In Markham, the average sunshine duration in May is 8.9h.

How high is the UV index in May in Markham?

In Markham, Canada, the average daily maximum UV index in May is 4. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Markham, Canada

Average temperature in May - Markham, Canada
  • Average high temperature in May: 16.4°C

The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (-3.2°C).

  • Average low temperature in May: 8°C

The months with the highest average low temperature are July and August (16.6°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).

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Average pressure in May
Markham, Canada

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

The month with the highest atmospheric pressure is March (1018.3mbar).
The month with the lowest atmospheric pressure is June (1013mbar).

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Average wind speed in May
Markham, Canada

Average wind speed in May - Markham, Canada
  • Average wind speed in May: 12.6km/h

The windiest month (with the highest average wind speed) is January (17.5km/h).
The calmest month (with the lowest average wind speed) is July (10.8km/h).

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Average humidity in May
Markham, Canada

Average humidity in May - Markham, Canada
  • Average humidity in May: 76%

The months with the highest relative humidity are January and February (86%).
The month with the lowest relative humidity is April (75%).

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Average rainfall in May
Markham, Canada

Average rainfall in May - Markham, Canada
  • Average rainfall in May: 65mm

The wettest month (with the highest rainfall) is July (78mm).
The driest month (with the least rainfall) is February (30mm).

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Average rainfall days in May
Markham, Canada

Average rainfall days in May - Markham, Canada
  • Average rainfall days in May: 16.5 days

The month with the highest number of rainy days is August (18.3 days).
The month with the least rainy days is February (5.9 days).

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Average snowfall in May
Markham, Canada

Average snowfall in May - Markham, Canada
  • Average snowfall in May: 1mm

The month with the highest snowfall is January (118mm).
The months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in May
Markham, Canada

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

The month with the highest number of snowfall days is January (12.5 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in May / Average sunshine in May - Markham, Canada
  • Average daylight in May: 14h and 46min

The month with the longest days is June (Average daylight: 15h and 25min).
The month with the shortest days is December (Average daylight: 8h and 58min).

  • Average sunshine in May: 8h and 54min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).

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Average sunshine days in May
Markham, Canada

Average sunshine days in May - Markham, Canada
  • Average sunshine days in May: 12.9 days

The month with the most sunshine days is March (14.9 days).
The month with the least sunshine days is August (9 days).

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Average UV index in May
Markham, Canada

Average UV index in May - Markham, Canada
  • Average UV index in May: 4

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).

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Average cloud cover in May
Markham, Canada

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

The month with the most cloud cover is January (Cloud cover 69).
The months with the least cloud cover are July and August (Cloud cover 28).

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Average visibility in May
Markham, Canada

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

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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