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

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  • The average high temperature in May: 9.7°C

The warmest month (with the highest average high temperature) is July (21.3°C).
The month with the lowest average high temperature is January (-21.6°C).

  • The average low temperature in May: -0.5°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-29.5°C).

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  • The average humidity in May: 45.9%

The month with the highest relative humidity is November (77.8%).
The month with the lowest relative humidity is June (45.2%).

  • The average rainfall in May: 13.8mm

The wettest month (with the highest rainfall) is July (40.8mm).
The driest month (with the lowest rainfall) is February (0mm).

  • The average rainfall days in May: 5.3 days

The month with the highest number of rainy days is September (10.6 days).
The month with the lowest number of rainy days is February (0.1 days).

  • The average snowfall in May: 47mm

The month with the highest snowfall is November (365mm).
Months with the lowest snowfall are June and July (0mm).

  • The average snowfall days in May: 2.1 days

The month with the highest number of snowfall days is November (16 days).
The month with the lowest number of snowfall days is July (0 days).

  • The average daylight in May: 18h

The month with the longest days is June (Average daylight: 20h).
The month with shortest days is December (Average daylight: 5h).

  • The average sunshine in May: 10.8h

The month with most sunshine is June (Average sunshine: 12.5h).
The month with least sunshine is December (Average sunshine: 0.8h).

  • The average UV index in May: 4

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, November and December (UV index 0).

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