April weather forecastKalama, WA
April
Weather in April
April is a moderate spring month in Kalama, Washington, with temperature in the range of an average low of 37°F (2.8°C) and an average high of 55.8°F (13.2°C).Temperature
The arrival of April signals a slight increase in the average high-temperature, moving from a fresh 50°F (10°C) in March to a moderate 55.8°F (13.2°C). Kalama experiences a mean temperature of 37°F (2.8°C) during April nights.Humidity
The average relative humidity in April is 83%.Rainfall
In Kalama, Washington, in April, during 19.8 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. In Kalama, during the entire year, the rain falls for 190.2 days and collects up to 42.48" (1079mm) of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Kalama, the average length of the day in April is 13h and 35min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:40 pm. On the last day of April, in Kalama, sunrise is at 5:58 am and sunset at 8:18 pm PDT.
Sunshine
In Kalama, the average sunshine in April is 6.3h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in April translates into this advice:
Take precautions - Protection against skin and eye damage is obliged. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Kalama, WA
- Average high temperature in April: 55.8°F
The warmest month (with the highest average high temperature) is August (78.1°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in April: 37°F
The month with the highest average low temperature is August (50.5°F).
The coldest month (with the lowest average low temperature) is December (32.5°F).
Average pressure in April
Kalama, WA
- Average pressure in April: 30.06"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.01"Hg).
Average wind speed in April
Kalama, WA
- Average wind speed in April: 4.5mph
The windiest month (with the highest average wind speed) is January (5mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in April
Kalama, WA
- Average humidity in April: 83%
The months with the highest relative humidity are February and November (88%).
The months with the lowest relative humidity are July and August (72%).
Average rainfall in April
Kalama, WA
- Average rainfall in April: 3.66"
The wettest month (with the highest rainfall) is January (6.34").
The driest month (with the least rainfall) is July (0.55").
Average rainfall days in April
Kalama, WA
- Average rainfall days in April: 19.8 days
The month with the highest number of rainy days is March (21.6 days).
The month with the least rainy days is July (6.7 days).
Average snowfall in April
Kalama, WA
- Average snowfall in April: 0"
The month with the highest snowfall is January (2.64").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Kalama, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is February (3.6 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
Kalama, WA
- Average daylight in April: 13h and 36min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in April: 6h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 24min).
Average sunshine days in April
Kalama, WA
- Average sunshine days in April: 8.3 days
The month with the most sunshine days is August (21.3 days).
The month with the least sunshine days is February (7.3 days).
Average UV index in April
Kalama, WA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in April
Kalama, WA
- Average cloud cover in April: 62
The month with the most cloud cover is February (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in April
Kalama, WA
- Average visibility in April: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).





