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
As March transitions into April, Ritzville notices a gentle rise in the average high-temperature, transitioning from a chilly 49.1°F (9.5°C) to a refreshing 57.9°F (14.4°C). Ritzville experiences an average nighttime temperature of 40.1°F (4.5°C) in the month of April.Humidity
In April, the average relative humidity is 60%.Rainfall
In April, in Ritzville, the rain falls for 12.6 days. Throughout April, 0.83" (21mm) of precipitation is accumulated. In Ritzville, Washington, 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 in Ritzville. During 0.8 snowfall days, in April, Ritzville aggregates 0.2" (5mm) of snow. In Ritzville, during the entire year, snow falls for 28.2 days and aggregates up to 12.48" (317mm) of snow.Daylight
In Ritzville, the average length of the day in April is 13h and 39min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:23 pm. On the last day of April, in Ritzville, sunrise is at 5:37 am and sunset at 8:03 pm PDT.
Sunshine
In April, the average sunshine is 9.7h.UV index
In April, the average daily maximum UV index in Ritzville is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average maximum UV index of 4 in April leads to these recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. During bright days, sunglasses that offer UVA and UVB defense are recommended. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What are the temperatures in Ritzville in April?
What is the average humidity in April in Ritzville?
How many days does it rain in April in Ritzville?
What is the last month it snows in Ritzville?
What is the average length of the day in April in Ritzville?
When are sunrise and sunset in April in Ritzville?
How long on average sun shines in April in Ritzville?
What is the UV index reading in April in Ritzville?
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 4min
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 4min
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).
Ritzville, Washington, USA
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