Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
April's arrival signals a temperature shift, moving from a chilly 44.8°F (7.1°C) in March to a fresh 54.7°F (12.6°C). Clayton observes an average low-temperature of 33.6°F (0.9°C) during April.Humidity
In April, the average relative humidity in Clayton is 71%.Rainfall
In Clayton, in April, it is raining for 15.4 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, in Clayton, there are 124.9 rainfall days, and 17.44" (443mm) of precipitation is accumulated.Snowfall
Months with snowfall in Clayton are January through May, September through December. In April, in Clayton, it is snowing for 2.8 days. Throughout April, 1.02" (26mm) of snow is accumulated. In Clayton, during the entire year, snow falls for 69.2 days and aggregates up to 42.99" (1092mm) of snow.Daylight
In Clayton, the average length of the day in April is 13h and 42min.On the first day of the month, sunrise is at 6:26 am and sunset at 7:21 pm. On the last day of April, sunrise is at 5:32 am and sunset at 8:02 pm PDT.
Sunshine
In April, the average sunshine in Clayton is 8.9h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 3 in April, converts into the following recommendations:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Frequently asked questions
What is the usual temperature for Clayton in April?
What is the average humidity in April in Clayton?
How many days does it rain in April in Clayton?
How many days does it snow in April in Clayton?
What is the average length of the day in April in Clayton?
What time are sunrise and sunset in April in Clayton?
How long on average sun shines in April in Clayton?
What is the UV index reading in April in Clayton?
Average temperature in April
Clayton, WA
- Average high temperature in April: 54.7°F
The warmest month (with the highest average high temperature) is August (84°F).
The month with the lowest average high temperature is December (31.3°F).
- Average low temperature in April: 33.6°F
The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is December (20.3°F).
Average pressure in April
Clayton, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in April
Clayton, WA
- Average wind speed in April: 5.6mph
The windiest month (with the highest average wind speed) is April (5.6mph).
The calmest month (with the lowest average wind speed) is December (4mph).
Average humidity in April
Clayton, WA
- Average humidity in April: 71%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (43%).
Average rainfall in April
Clayton, WA
- Average rainfall in April: 1.42"
The wettest month (with the highest rainfall) is January (2.4").
The driest month (with the least rainfall) is August (0.31").
Average rainfall days in April
Clayton, WA
- Average rainfall days in April: 15.4 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is August (5.1 days).
Average snowfall in April
Clayton, WA
- Average snowfall in April: 1.02"
The month with the highest snowfall is January (13.23").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Clayton, WA
- Average snowfall days in April: 2.8 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Clayton, WA
- Average daylight in April: 13h and 4min
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 30min).
- Average sunshine in April: 8h and 5min
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 24min).
Average sunshine days in April
Clayton, WA
- Average sunshine days in April: 12.1 days
The month with the most sunshine days is July (24.2 days).
The month with the least sunshine days is March (9.7 days).
Average UV index in April
Clayton, 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 February, November and December (UV index 1).
Average cloud cover in April
Clayton, WA
- Average cloud cover in April: 43
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Clayton, 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).
Clayton, Washington, USA
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