April weather forecastIone, WA
April
Weather in April
April is a chilly spring month in Ione, Washington, with an average temperature ranging between max 47.7°F (8.7°C) and min 26.8°F (-2.9°C).Temperature
April brings a rise in the average high-temperature, transitioning from March's cold 37.6°F (3.1°C) to a chilly 47.7°F (8.7°C). An average minimum temperature of 26.8°F (-2.9°C) is recorded during the month of April.Humidity
The average relative humidity in April is 80%.Rainfall
In April, the rain falls for 18.5 days. Throughout April, 1.85" (47mm) of precipitation is accumulated. In Ione, during the entire year, the rain falls for 147.3 days and collects up to 20.12" (511mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 6.1 days. Throughout April, 2.72" (69mm) of snow is accumulated. In Ione, during the entire year, snow falls for 95.8 days and aggregates up to 50.39" (1280mm) of snow.Daylight
In Ione, the average length of the day in April is 13h and 44min.On the first day of April in Ione, sunrise is at 6:25 am and sunset at 7:21 pm. On the last day of the month, sunrise is at 5:29 am and sunset at 8:04 pm PDT.
Sunshine
The average sunshine in April in Ione is 8.6h.UV index
The average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 2 in April translates into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Ione, WA
- Average high temperature in April: 47.7°F
The warmest month (with the highest average high temperature) is July (77°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in April: 26.8°F
The month with the highest average low temperature is August (46.6°F).
The coldest month (with the lowest average low temperature) is February (14.4°F).
Average pressure in April
Ione, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Ione, WA
- Average wind speed in April: 3.9mph
The windiest months (with the highest average wind speed) are April, May and June (3.9mph).
The calmest months (with the lowest average wind speed) are January and December (3.2mph).
Average humidity in April
Ione, WA
- Average humidity in April: 80%
The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is August (55%).
Average rainfall in April
Ione, WA
- Average rainfall in April: 1.85"
The wettest month (with the highest rainfall) is May (2.52").
The driest month (with the least rainfall) is August (0.59").
Average rainfall days in April
Ione, WA
- Average rainfall days in April: 18.5 days
The month with the highest number of rainy days is April (18.5 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in April
Ione, WA
- Average snowfall in April: 2.72"
The month with the highest snowfall is January (11.77").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Ione, WA
- Average snowfall days in April: 6.1 days
The month with the highest number of snowfall days is December (20.7 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Ione, 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 36min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in April
Ione, WA
- Average sunshine days in April: 7.8 days
The month with the most sunshine days is August (20.2 days).
The month with the least sunshine days is March (7.6 days).
Average UV index in April
Ione, WA
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Ione, WA
- Average cloud cover in April: 47
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in April
Ione, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The month with the lowest visibility is January (2mi).
