April weather forecastLynden, WA
April
Weather in April
April is a fresh spring month in Lynden, Washington, with an average temperature fluctuating between 38.1°F (3.4°C) and 54°F (12.2°C).Temperature
The onset of April marks a slight increase in the average high-temperature, moving from a chilly 47.1°F (8.4°C) in March to a fresh 54°F (12.2°C). Lynden witnesses an average low-temperature of 38.1°F (3.4°C) throughout the month of April.Humidity
In Lynden, the average relative humidity in April is 81%.Rainfall
In Lynden, during April, the rain falls for 18.7 days and regularly aggregates up to 3.66" (93mm) of precipitation. In Lynden, Washington, during the entire year, the rain falls for 188 days and collects up to 49.88" (1267mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Lynden. April is the last month it regularly snows. During 0.4 snowfall days, in April, Lynden aggregates 0.16" (4mm) of snow. Throughout the year, there are 14.7 snowfall days, and 10.2" (259mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 45min.On the first day of April in Lynden, sunrise is at 6:45 am and sunset at 7:41 pm. On the last day of the month, sunrise is at 5:49 am and sunset at 8:24 pm PDT.
Sunshine
In Lynden, the average sunshine in April is 7.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in April interprets into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Lynden, WA
- Average high temperature in April: 54°F
The warmest month (with the highest average high temperature) is August (73.6°F).
The month with the lowest average high temperature is December (39.6°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is August (51.4°F).
The coldest months (with the lowest average low temperature) are February and December (31.6°F).
Average pressure in April
Lynden, WA
- Average pressure in April: 30.03"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March and August (30"Hg).
Average wind speed in April
Lynden, WA
- Average wind speed in April: 4.1mph
The windiest months (with the highest average wind speed) are January and February (4.7mph).
The calmest month (with the lowest average wind speed) is August (3.2mph).
Average humidity in April
Lynden, WA
- Average humidity in April: 81%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Lynden, WA
- Average rainfall in April: 3.66"
The wettest month (with the highest rainfall) is November (7.72").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in April
Lynden, WA
- Average rainfall days in April: 18.7 days
The month with the highest number of rainy days is March (20.5 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in April
Lynden, WA
- Average snowfall in April: 0.16"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Lynden, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (4.7 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
Lynden, WA
- Average daylight in April: 13h and 48min
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: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in April
Lynden, WA
- Average sunshine days in April: 9.3 days
The months with the most sunshine days are July and August (21 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in April
Lynden, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in April
Lynden, WA
- Average cloud cover in April: 54
The month with the most cloud cover is March (Cloud cover 60).
The months with the least cloud cover are July and August (Cloud cover 30).
Average visibility in April
Lynden, WA
- Average visibility in April: 5mi
The months with the highest visibility are April, May, June, July, August, September and October (5mi).
The months with the lowest visibility are January, February, March, November and December (4mi).
