April weather forecastKlaber, WA
April
Weather in April
April is a refreshing spring month in Klaber, Washington, with an average temperature varying between 56.1°F (13.4°C) and 36.9°F (2.7°C).Temperature
The beginning of April marks a minor shift in the average high-temperature, moving from March's cool 50.5°F (10.3°C) to a mild 56.1°F (13.4°C). The month of April records an average low-temperature of 36.9°F (2.7°C) in Klaber.Humidity
In April, the average relative humidity is 83%.Rainfall
In Klaber, during April, the rain falls for 19 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Klaber, during the entire year, the rain falls for 185.5 days and collects up to 36.1" (917mm) of precipitation.Snowfall
April through October are months without snowfall in Klaber.Daylight
In Klaber, the average length of the day in April is 13h and 37min.On the first day of the month, sunrise is at 6:50 am and sunset at 7:42 pm. On the last day of April, sunrise is at 5:57 am and sunset at 8:21 pm PDT.
Sunshine
The average sunshine in April is 6.8h.UV index
In Klaber, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 3 in April transforms into this advice:
Heed the precautions - Suggestions to avoid sunburn are made. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Klaber, WA
- Average high temperature in April: 56.1°F
The warmest month (with the highest average high temperature) is August (77.5°F).
The month with the lowest average high temperature is December (42.6°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is August (50°F).
The coldest month (with the lowest average low temperature) is December (33.1°F).
Average pressure in April
Klaber, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.02"Hg).
Average wind speed in April
Klaber, WA
- Average wind speed in April: 4.3mph
The windiest months (with the highest average wind speed) are January, March and November (4.5mph).
The calmest month (with the lowest average wind speed) is September (3.6mph).
Average humidity in April
Klaber, WA
- Average humidity in April: 83%
The months with the highest relative humidity are January, February, November and December (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Klaber, WA
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is January (5.51").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Klaber, WA
- Average rainfall days in April: 19 days
The month with the highest number of rainy days is March (21.5 days).
The month with the least rainy days is August (6.4 days).
Average snowfall in April
Klaber, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.93").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Klaber, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in April /
Average sunshine in April
Klaber, WA
- Average daylight in April: 13h and 36min
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: 6h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in April
Klaber, WA
- Average sunshine days in April: 9.7 days
The months with the most sunshine days are July and August (20.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in April
Klaber, 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
Klaber, WA
- Average cloud cover in April: 60
The months with the most cloud cover are January, February and December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in April
Klaber, WA
- Average visibility in April: 4mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (4mi).





