April weather forecastCarlton, WA
April
Weather in April
April in Carlton, Washington, is a frosty spring month, with an average temperature ranging between min 27.5°F (-2.5°C) and max 47.5°F (8.6°C).Temperature
The arrival of April signals an increase in the average high-temperature, moving from a wintry 37.6°F (3.1°C) in March to a chilly 47.5°F (8.6°C). In April, the nighttime temperature lowers to an average of 27.5°F (-2.5°C).Humidity
In April, the average relative humidity in Carlton is 75%.Rainfall
In April, the rain falls for 14.9 days. Throughout April, 1.14" (29mm) of precipitation is accumulated. Throughout the year, in Carlton, there are 141.4 rainfall days, and 18.07" (459mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall in Carlton. April is the last month it regularly snows. During 2.5 snowfall days, in April, Carlton aggregates 0.94" (24mm) of snow. Throughout the year, there are 64.4 snowfall days, and 42.6" (1082mm) of snow is accumulated.Daylight
In Carlton, Washington, the average length of the day in April is 13h and 43min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:31 pm. On the last day of April, in Carlton, sunrise is at 5:41 am and sunset at 8:13 pm PDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 3 in April translates into this advice:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Carlton, WA
- Average high temperature in April: 47.5°F
The warmest month (with the highest average high temperature) is August (76.8°F).
The month with the lowest average high temperature is December (27.9°F).
- Average low temperature in April: 27.5°F
The month with the highest average low temperature is August (48.9°F).
The coldest month (with the lowest average low temperature) is December (14.7°F).
Average pressure in April
Carlton, WA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.94"Hg).
Average wind speed in April
Carlton, WA
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is July (5.1mph).
The calmest months (with the lowest average wind speed) are January and December (3.5mph).
Average humidity in April
Carlton, WA
- Average humidity in April: 75%
The months with the highest relative humidity are January and February (92%).
The months with the lowest relative humidity are July and August (51%).
Average rainfall in April
Carlton, WA
- Average rainfall in April: 1.14"
The wettest month (with the highest rainfall) is December (2.52").
The driest month (with the least rainfall) is July (0.35").
Average rainfall days in April
Carlton, WA
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is March (17.1 days).
The month with the least rainy days is August (5.7 days).
Average snowfall in April
Carlton, WA
- Average snowfall in April: 0.94"
The month with the highest snowfall is December (12.28").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Carlton, WA
- Average snowfall days in April: 2.5 days
The month with the highest number of snowfall days is December (15.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Carlton, 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 6min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in April
Carlton, WA
- Average sunshine days in April: 11.4 days
The month with the most sunshine days is August (22.8 days).
The month with the least sunshine days is March (8.9 days).
Average UV index in April
Carlton, WA
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and November (UV index 1).
Average cloud cover in April
Carlton, WA
- Average cloud cover in April: 38
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Carlton, WA
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The month with the lowest visibility is January (3mi).
