April weather forecastFerndale, WA
April
Weather in April
April is a cool spring month in Ferndale, Washington, with temperature in the range of an average high of 54.1°F (12.3°C) and an average low of 41°F (5°C).Temperature
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a chilly 48.7°F (9.3°C) to a cool 54.1°F (12.3°C). Ferndale's average low-temperature for the month of April records at a wintry 41°F (5°C).Humidity
In April, the average relative humidity in Ferndale is 80%.Rainfall
In Ferndale, in April, during 17.8 rainfall days, 2.8" (71mm) of precipitation is typically accumulated. Throughout the year, there are 178.6 rainfall days, and 37.32" (948mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Ferndale aggregates 0.08" (2mm) of snow. In Ferndale, Washington, during the entire year, snow falls for 10.7 days and aggregates up to 6.57" (167mm) of snow.Daylight
In April, the average length of the day in Ferndale is 13h and 45min.On the first day of April in Ferndale, sunrise is at 6:45 am and sunset at 7:42 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:25 pm PDT.
Sunshine
In Ferndale, the average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April in Ferndale is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in April converts into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ferndale, WA
- Average high temperature in April: 54.1°F
The warmest month (with the highest average high temperature) is August (71.1°F).
The month with the lowest average high temperature is December (41.9°F).
- Average low temperature in April: 41°F
The month with the highest average low temperature is August (53.8°F).
The coldest month (with the lowest average low temperature) is February (35.2°F).
Average pressure in April
Ferndale, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is March (30"Hg).
Average wind speed in April
Ferndale, WA
- Average wind speed in April: 5.2mph
The windiest month (with the highest average wind speed) is November (6.2mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).
Average humidity in April
Ferndale, WA
- Average humidity in April: 80%
The month with the highest relative humidity is January (84%).
The month with the lowest relative humidity is July (74%).
Average rainfall in April
Ferndale, WA
- Average rainfall in April: 2.8"
The wettest month (with the highest rainfall) is November (5.71").
The driest month (with the least rainfall) is July (0.67").
Average rainfall days in April
Ferndale, WA
- Average rainfall days in April: 17.8 days
The month with the highest number of rainy days is November (20.1 days).
The month with the least rainy days is August (7.3 days).
Average snowfall in April
Ferndale, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Ferndale, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (3.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Ferndale, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in April: 8h and 12min
The months with the most sunshine are July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in April
Ferndale, WA
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is August (21.9 days).
The month with the least sunshine days is November (8.5 days).
Average UV index in April
Ferndale, WA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Ferndale, WA
- Average cloud cover in April: 48
The months with the most cloud cover are January and December (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Ferndale, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).





