April weather forecastFort Simpson, Canada
April
Weather in April
April in Fort Simpson, Canada, is an icy spring month, with an average temperature varying between 0.8°C (33.4°F) and -6.7°C (19.9°F).Temperature
Fort Simpson's transition into April marks a considerable rise in the average high-temperature, moving up from a subzero cold -8.9°C (16°F) in March to a cold 0.8°C (33.4°F). An average low-temperature of -6.7°C (19.9°F) is recorded in the month of April.Humidity
The average relative humidity in April is 90%.Rainfall
In Fort Simpson, in April, it is raining for 5.8 days, with typically 16mm (0.63") of accumulated precipitation. In Fort Simpson, during the entire year, the rain falls for 64.3 days and collects up to 202mm (7.95") of precipitation.Snowfall
Months with snowfall are January through June, September through December. April is the month with the most snowfall. Snow falls for 12 days and accumulates 102mm (4.02") of snow.Daylight
In April, the average length of the day in Fort Simpson, Canada, is 14h and 52min.On the first day of April, sunrise is at 7:24 am and sunset at 8:53 pm. On the last day of the month, sunrise is at 5:52 am and sunset at 10:12 pm MDT.
Sunshine
The average sunshine in April in Fort Simpson, Canada, is 4.2h.UV index
In Fort Simpson, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 2 translates into these guidelines:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Fort Simpson, Canada
- Average high temperature in April: 0.8°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (-17.9°C).
- Average low temperature in April: -6.7°C
The month with the highest average low temperature is July (12°C).
The coldest month (with the lowest average low temperature) is January (-24.8°C).
Average pressure in April
Fort Simpson, Canada
- Average pressure in April: 1016.7mbar
The month with the highest atmospheric pressure is February (1020.3mbar).
The month with the lowest atmospheric pressure is August (1010mbar).
Average wind speed in April
Fort Simpson, Canada
- Average wind speed in April: 8.9km/h
The windiest month (with the highest average wind speed) is May (9.6km/h).
The calmest month (with the lowest average wind speed) is December (7.5km/h).
Average humidity in April
Fort Simpson, Canada
- Average humidity in April: 90%
The month with the highest relative humidity is January (96%).
The month with the lowest relative humidity is June (53%).
Average rainfall in April
Fort Simpson, Canada
- Average rainfall in April: 16mm
The wettest month (with the highest rainfall) is August (37mm).
The driest month (with the least rainfall) is December (4mm).
Average rainfall days in April
Fort Simpson, Canada
- Average rainfall days in April: 5.8 days
The month with the highest number of rainy days is August (11.1 days).
The month with the least rainy days is November (0.2 days).
Average snowfall in April
Fort Simpson, Canada
- Average snowfall in April: 102mm
The month with the highest snowfall is April (102mm).
The months with the least snowfall are July and August (0mm).
Average snowfall days in April
Fort Simpson, Canada
- Average snowfall days in April: 12 days
The month with the highest number of snowfall days is March (13 days).
The month with the least snowfall days is July (0 days).
Average daylight in April /
Average sunshine in April
Fort Simpson, Canada
- Average daylight in April: 14h and 54min
The month with the longest days is June (Average daylight: 19h and 30min).
The month with the shortest days is December (Average daylight: 5h and 24min).
- Average sunshine in April: 4h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 2h and 12min).
Average sunshine days in April
Fort Simpson, Canada
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is December (23.5 days).
The month with the least sunshine days is April (14.3 days).
Average UV index in April
Fort Simpson, Canada
- Average UV index in April: 2
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 1).
Average cloud cover in April
Fort Simpson, Canada
- Average cloud cover in April: 72
The months with the most cloud cover are March and April (Cloud cover 72).
The month with the least cloud cover is July (Cloud cover 35).
Average visibility in April
Fort Simpson, Canada
- Average visibility in April: 6km
The months with the highest visibility are June and July (10km).
The months with the lowest visibility are January, February, March and December (4km).





