April weather forecastRitzville, WA
April
Weather in April
April in Ritzville, Washington, is a moderate spring month, with an average temperature varying between 40.1°F (4.5°C) and 57.9°F (14.4°C).Temperature
The arrival of April introduces a minor uplift in high-temperatures, adjusting from a frosty 49.1°F (9.5°C) in March to a refreshing 57.9°F (14.4°C). April brings Ritzville a consistent average low-temperature of 40.1°F (4.5°C).Humidity
In Ritzville, the average relative humidity in April is 60%.Rainfall
In Ritzville, in April, it is raining for 12.6 days, with typically 0.83" (21mm) of accumulated precipitation. In Ritzville, during the entire year, the rain falls for 109 days and collects up to 10.59" (269mm) of precipitation.Snowfall
Months with snowfall are January through April, September through December. April is the last month it regularly snows. During 0.8 snowfall days, in April, Ritzville aggregates 0.2" (5mm) of snow. Throughout the year, there are 28.2 snowfall days, and 12.48" (317mm) of snow is accumulated.Daylight
The average length of the day in April in Ritzville is 13h and 39min.On the first day of April, sunrise is at 6:30 am and sunset at 7:23 pm. On the last day of the month, sunrise is at 5:37 am and sunset at 8:03 pm PDT.
Sunshine
In April, the average sunshine in Ritzville, Washington, is 9.7h.UV index
In April, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum UV index, 4 during April, leads to the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ritzville, WA
- Average high temperature in April: 57.9°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is December (33.8°F).
- Average low temperature in April: 40.1°F
The month with the highest average low temperature is August (64.6°F).
The coldest month (with the lowest average low temperature) is December (25.2°F).
Average pressure in April
Ritzville, WA
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.9"Hg).
Average wind speed in April
Ritzville, WA
- Average wind speed in April: 9.6mph
The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).
Average humidity in April
Ritzville, WA
- Average humidity in April: 60%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (34%).
Average rainfall in April
Ritzville, WA
- Average rainfall in April: 0.83"
The wettest month (with the highest rainfall) is March (1.38").
The driest months (with the least rainfall) are July and August (0.31").
Average rainfall days in April
Ritzville, WA
- Average rainfall days in April: 12.6 days
The month with the highest number of rainy days is March (13.6 days).
The month with the least rainy days is July (4.2 days).
Average snowfall in April
Ritzville, WA
- Average snowfall in April: 0.2"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Ritzville, WA
- Average snowfall days in April: 0.8 days
The month with the highest number of snowfall days is December (7.8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Ritzville, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 9h and 42min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in April
Ritzville, WA
- Average sunshine days in April: 15.2 days
The month with the most sunshine days is July (25.3 days).
The month with the least sunshine days is March (14.2 days).
Average UV index in April
Ritzville, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Ritzville, WA
- Average cloud cover in April: 37
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in April
Ritzville, 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).
