Fort Simpson
Canada
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Fort Simpson, Canada

The last month of the spring, May, is a mild month in Fort Simpson, Canada, with average temperature varying between 15°C (59°F) and 2.2°C (36°F).

Temperature

In May, the average high-temperature increases considerably, from a cold 5.8°C (42.4°F) in April, to a moderate 15°C (59°F). The average low-temperature, in May, is 2.2°C (36°F).

Humidity

With an average relative humidity of 43.6%, May is the least humid month.

Rainfall

In Fort Simpson, during May, the rain falls for 7.1 days and regularly aggregates up to 21mm (0.8") of precipitation. In Fort Simpson, during the entire year, the rain falls for 57.2 days and collects up to 238.5mm (9.4") of precipitation.

Snowfall

January through June, August through December are months with snowfall. In Fort Simpson, Canada, in May, during 1.1 snowfall days, 76mm (3") of snow is typically accumulated. In Fort Simpson, during the entire year, snow falls for 12.7 days, and aggregates up to 1871mm (73.7") of snow.

Daylight

In Fort Simpson, the average length of the day is 17.8h.

Sunshine

The average sunshine in Fort Simpson is 9.5h.

UV index

The average daily maximum UV index in Fort Simpson is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 4 interpret into the following advice:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in May in Fort Simpson?

In Fort Simpson, Canada, in May, the average high-temperature is 15°C (59°F), and the average low-temperature is 2.2°C (36°F).

What is the least humid month in Fort Simpson?

With an average relative humidity of 43.6%, May is the least humid month in Fort Simpson, Canada.

What is the average humidity in May in Fort Simpson?

The average relative humidity in May in Fort Simpson, Canada, is 43.6%.

How much does it rain in Fort Simpson in May?

In Fort Simpson, Canada, in May, during 7.1 rainfall days, 21mm (0.8") of precipitation is typically accumulated.

How much does it snow in Fort Simpson in May?

In Fort Simpson, in May, snow falls for 1.1 days, with typically accumulated 76mm (3") of snow.

How many hours of daylight does Fort Simpson have in May?

In Fort Simpson, the average length of the day in May is 17.8h.

How many hours of sunshine does Fort Simpson have in May?

In May, the average sunshine is 9.5h.

How high is the UV index in May in Fort Simpson?

In May, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from the exposure to the Sun's UV rays.
Average temperature in May - Fort Simpson, Canada
  • Average high temperature in May: 15°C

The warmest month (with the highest average high temperature) is July (23.7°C).
The month with the lowest average high temperature is January (-19.8°C).

  • Average low temperature in May: 2.2°C

The month with the highest average low temperature is July (11.2°C).
The coldest month (with the lowest average low temperature) is January (-28.5°C).

Average humidity in May - Fort Simpson, Canada
  • Average humidity in May: 43.6%

The month with the highest relative humidity is November (83.2%).
The month with the lowest relative humidity is May (43.6%).

Average rainfall in May - Fort Simpson, Canada
  • Average rainfall in May: 21mm

The wettest month (with the highest rainfall) is July (61.1mm).
Driest months (with the lowest rainfall) are February and December (0mm).

Average rainfall days in May - Fort Simpson, Canada
  • Average rainfall days in May: 7.1 days

The month with the highest number of rainy days is July (12.1 days).
The month with the lowest number of rainy days is December (0 days).

Average snowfall in May - Fort Simpson, Canada
  • Average snowfall in May: 76mm

The month with the highest snowfall is November (334mm).
The month with the lowest snowfall is July (0mm).

Average snowfall days in May - Fort Simpson, Canada
  • Average snowfall days in May: 1.1 days

The month with the highest number of snowfall days is July (3.5 days).
Months with the lowest number of snowfall days are January, February, March, November and December (0 days).

Average daylight in May / Average sunshine in May - Fort Simpson, Canada
  • Average daylight in May: 17.8h

The month with the longest days is June (Average daylight: 19.5h).
The month with shortest days is December (Average daylight: 5.4h).

  • Average sunshine in May: 9.5h

The month with most sunshine is June (Average sunshine: 10.4h).
The month with least sunshine is December (Average sunshine: 1h).

Average UV index in May - Fort Simpson, Canada
  • 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).