Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
La Grande in April witnesses an average high-temperature of a cool 53.2°F (11.8°C), indicating a slight variation from March's 48°F (8.9°C). During April, La Grande sees a mean low-temperature of 36.3°F (2.4°C).Humidity
In La Grande, the average relative humidity in April is 82%.Rainfall
In April, the rain falls for 19.4 days. Throughout April, 3.03" (77mm) of precipitation is accumulated. In La Grande, during the entire year, the rain falls for 182.2 days and collects up to 37.83" (961mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 1.3 snowfall days, in April, La Grande aggregates 0.35" (9mm) of snow. In La Grande, during the entire year, snow falls for 20.4 days and aggregates up to 13.62" (346mm) of snow.Daylight
In April, the average length of the day is 13h and 38min.On the first day of April, sunrise is at 6:46 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 5:54 am and sunset at 8:18 pm PDT.
Sunshine
In La Grande, Washington, the average sunshine in April is 7.5h.UV index
In April, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 3 suggests this advice:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Boost your sun resistance with garments that are densely woven yet spacious. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April in La Grande?
How many days does it rain in April?
What is the last month it snows in La Grande?
How many hours of daylight does La Grande have in April?
When are sunrise and sunset in April?
How many hours of sunshine does La Grande have in April?
What is the UV index intensity in April?
Average temperature in April
La Grande, WA
- Average high temperature in April: 53.2°F
The warmest month (with the highest average high temperature) is August (75°F).
The month with the lowest average high temperature is December (41.2°F).
- Average low temperature in April: 36.3°F
The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (31.1°F).
Average pressure in April
La Grande, WA
- Average pressure in April: 30.05"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is August (30"Hg).
Average wind speed in April
La Grande, WA
- Average wind speed in April: 4.3mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).
Average humidity in April
La Grande, WA
- Average humidity in April: 82%
The month with the highest relative humidity is February (88%).
The month with the lowest relative humidity is July (70%).
Average rainfall in April
La Grande, WA
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is December (5.71").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
La Grande, WA
- Average rainfall days in April: 19.4 days
The month with the highest number of rainy days is March (20.2 days).
The month with the least rainy days is August (6.1 days).
Average snowfall in April
La Grande, WA
- Average snowfall in April: 0.35"
The month with the highest snowfall is February (4.84").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
La Grande, WA
- Average snowfall days in April: 1.3 days
The month with the highest number of snowfall days is February (6 days).
The months with the least snowfall days are June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
La Grande, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 7h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 4h and 6min).
Average sunshine days in April
La Grande, WA
- Average sunshine days in April: 8.6 days
The month with the most sunshine days is August (22.9 days).
The month with the least sunshine days is February (8 days).
Average UV index in April
La Grande, 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, November and December (UV index 2).
Average cloud cover in April
La Grande, WA
- Average cloud cover in April: 55
The months with the most cloud cover are January, February, March and December (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 27).
Average visibility in April
La Grande, 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).
La Grande, Washington, USA
Weather forecast for your location
2. Allow the app to use your location