May weather forecast
Whitehorse, Canada

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Weather in May

As Whitehorse sails into summer, May brings the largest surge in temperatures among all months. The visible shift from snowfall to rainfall becomes evident, with the rainfall amount reaching 16mm (0.63"). Extended daylight hours, peaking at around 17.4 hours, provide ample time to indulge in outdoor activities. Residents may notice a significant drop in the relative humidity to 61% compared to early spring months. The weather encourages exploration of the beautiful natural landscape filled with blooming flowers and budding trees.

Temperature

In Whitehorse, the average high-temperature in May significantly increases from a wintry 2.1°C (35.8°F) in April to a cool 11.3°C (52.3°F). May witnesses an average nighttime temperature of 1.4°C (34.5°F).

Humidity

In May, the average relative humidity is 61%.

Rainfall

In Whitehorse, during May, the rain falls for 11.8 days and regularly aggregates up to 16mm (0.63") of precipitation. Throughout the year, there are 125.2 rainfall days, and 255mm (10.04") of precipitation is accumulated.

Snowfall

January through May, August through December are months with snowfall in Whitehorse. May is the last month it regularly snows. During 2.1 snowfall days, in May, Whitehorse aggregates 11mm (0.43") of snow. Throughout the year, there are 120.3 snowfall days, and 768mm (30.24") of snow is accumulated.

Daylight

In May, the average length of the day in Whitehorse is 17h and 25min.
On the first day of the month, sunrise is at 5:50 am and sunset at 10:03 pm. On the last day of May, sunrise is at 4:41 am and sunset at 11:14 pm PDT.

Sunshine

May has the most sunshine of the year, with an average of 12.5h of sunshine.

UV index

The average daily maximum UV index in May in Whitehorse is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In May, a daily maximum UV index of 3 leads to the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Boost your sun resistance with garments that are densely woven yet spacious. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the temperature in May in Whitehorse?

In May, the average high-temperature and low-temperature in Whitehorse are 11.3°C (52.3°F) and 1.4°C (34.5°F) respectively.

What is the average humidity in May in Whitehorse?

The average relative humidity in May in Whitehorse, Canada, is 61%.

How much does it rain in Whitehorse in May?

In Whitehorse, Canada, in May, it is raining for 11.8 days, with typically 16mm (0.63") of accumulated precipitation.

What is the last month it snows in Whitehorse?

May is the last month it regularly snows in Whitehorse, Canada. During 2.1 snowfall days, in May, Whitehorse aggregates 11mm (0.43") of snow.

How many hours of daylight does Whitehorse have in May?

In Whitehorse, Canada, the average day length in May is 17h and 25min.

When is the sunrise / sunset in May in Whitehorse?

In May, on the first day of the month, sunrise is at 5:50 am and sunset at 10:03 pm. On the last day of the month, in Whitehorse, Canada, sunrise is at 4:41 am and sunset at 11:14 pm PDT.

What month has the most sunshine in Whitehorse?

The month with the most sunshine in Whitehorse, Canada, is May, with an average of 12.5h of sunshine.

How long on average sun shines in May in Whitehorse?

In May, the average sunshine duration is 12.5h.

What is the UV index intensity in May in Whitehorse?

The average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in May
Whitehorse, Canada

Average temperature in May - Whitehorse, Canada
  • Average high temperature in May: 11.3°C

The warmest month (with the highest average high temperature) is July (17.8°C).
The month with the lowest average high temperature is January (-11.3°C).

  • Average low temperature in May: 1.4°C

The month with the highest average low temperature is July (6.7°C).
The coldest month (with the lowest average low temperature) is January (-17.5°C).

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Average pressure in May
Whitehorse, Canada

Average pressure in May - Whitehorse, Canada
  • Average pressure in May: 1013.5mbar

The month with the highest atmospheric pressure is February (1016.6mbar).
The month with the lowest atmospheric pressure is September (1010.7mbar).

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Average wind speed in May
Whitehorse, Canada

Average wind speed in May - Whitehorse, Canada
  • Average wind speed in May: 9.7km/h

The windiest month (with the highest average wind speed) is September (9.9km/h).
The calmest month (with the lowest average wind speed) is February (8.6km/h).

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Average humidity in May
Whitehorse, Canada

Average humidity in May - Whitehorse, Canada
  • Average humidity in May: 61%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is June (58%).

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Average rainfall in May
Whitehorse, Canada

Average rainfall in May - Whitehorse, Canada
  • Average rainfall in May: 16mm

The wettest month (with the highest rainfall) is August (39mm).
The driest month (with the least rainfall) is February (12mm).

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Average rainfall days in May
Whitehorse, Canada

Average rainfall days in May - Whitehorse, Canada
  • Average rainfall days in May: 11.8 days

The month with the highest number of rainy days is August (16.1 days).
The month with the least rainy days is January (5.7 days).

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Average snowfall in May
Whitehorse, Canada

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

The month with the highest snowfall is January (148mm).
The months with the least snowfall are June and July (0mm).

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Average snowfall days in May
Whitehorse, Canada

Average snowfall days in May - Whitehorse, Canada
  • Average snowfall days in May: 2.1 days

The month with the highest number of snowfall days is November (19.6 days).
The months with the least snowfall days are June and July (0 days).

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

Average daylight in May / Average sunshine in May - Whitehorse, Canada
  • Average daylight in May: 17h and 2min

The month with the longest days is June (Average daylight: 19h and 0min).
The month with the shortest days is December (Average daylight: 5h and 48min).

  • Average sunshine in May: 12h and 3min

The month with the most sunshine is May (Average sunshine: 12h and 30min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).

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Average sunshine days in May
Whitehorse, Canada

Average sunshine days in May - Whitehorse, Canada
  • Average sunshine days in May: 15.8 days

The month with the most sunshine days is May (15.8 days).
The month with the least sunshine days is November (10.5 days).

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Average UV index in May
Whitehorse, Canada

Average UV index in May - Whitehorse, Canada
  • Average UV index in May: 3

The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in May
Whitehorse, Canada

Average cloud cover in May - Whitehorse, Canada
  • Average cloud cover in May: 35

The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 35).

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Average visibility in May
Whitehorse, Canada

Average visibility in May - Whitehorse, Canada
  • Average visibility in May: 10km

The months with the highest visibility are May, June and July (10km).
The months with the lowest visibility are January, February, March and December (6km).

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Whitehorse, Canada

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