April weather forecastOmak, WA
April
Weather in April
April in Omak, Washington, is a cool spring month, with an average temperature varying between 54.3°F (12.4°C) and 33.8°F (1°C).Temperature
April marks a rise in the average high-temperature, moving from March's frosty 43°F (6.1°C) to a cool 54.3°F (12.4°C). Omak's average low-temperature in the month of April is recorded at a cold 33.8°F (1°C).Humidity
The average relative humidity in April is 64%.Rainfall
In Omak, during April, the rain falls for 9.3 days and regularly aggregates up to 0.51" (13mm) of precipitation. Throughout the year, there are 90.2 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.4 snowfall days, in April, Omak aggregates 0.2" (5mm) of snow. In Omak, during the entire year, snow falls for 25.5 days and aggregates up to 10.12" (257mm) of snow.Daylight
In Omak, Washington, the average length of the day in April is 13h and 43min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:29 pm. On the last day of April, sunrise is at 5:38 am and sunset at 8:11 pm PDT.
Sunshine
In Omak, the average sunshine in April is 10.6h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In April, the average maximum UV index of 3 translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Omak, WA
- Average high temperature in April: 54.3°F
The warmest month (with the highest average high temperature) is July (82.6°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in April: 33.8°F
The month with the highest average low temperature is August (55°F).
The coldest month (with the lowest average low temperature) is December (18.1°F).
Average pressure in April
Omak, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.93"Hg).
Average wind speed in April
Omak, WA
- Average wind speed in April: 5.1mph
The windiest month (with the highest average wind speed) is April (5.1mph).
The calmest month (with the lowest average wind speed) is January (4mph).
Average humidity in April
Omak, WA
- Average humidity in April: 64%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are July and August (42%).
Average rainfall in April
Omak, WA
- Average rainfall in April: 0.51"
The wettest month (with the highest rainfall) is December (0.94").
The driest months (with the least rainfall) are July and August (0.2").
Average rainfall days in April
Omak, WA
- Average rainfall days in April: 9.3 days
The month with the highest number of rainy days is March (11.5 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in April
Omak, WA
- Average snowfall in April: 0.2"
The month with the highest snowfall is January (3.39").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Omak, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is December (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Omak, WA
- Average daylight in April: 13h and 42min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in April: 10h and 36min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Omak, WA
- Average sunshine days in April: 17.7 days
The month with the most sunshine days is August (26.3 days).
The month with the least sunshine days is November (15.4 days).
Average UV index in April
Omak, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Omak, WA
- Average cloud cover in April: 30
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in April
Omak, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
