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 brings a modest temperature shift, moving from a frosty 44.2°F (6.8°C) in March to a cool 52.3°F (11.3°C). An average low-temperature of 35.2°F (1.8°C) marks the nights throughout April.Humidity
In April, the average relative humidity is 77%.Rainfall
In Underwood Heights, during April, the rain falls for 16.8 days and regularly aggregates up to 2.52" (64mm) of precipitation. Throughout the year, in Underwood Heights, Washington, there are 159.7 rainfall days, and 31.42" (798mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Underwood Heights.Daylight
In Underwood Heights, the average length of the day in April is 13h and 34min.On the first day of the month, sunrise is at 6:44 am and sunset at 7:35 pm. On the last day of April, in Underwood Heights, sunrise is at 5:53 am and sunset at 8:12 pm PDT.
Sunshine
In Underwood Heights, the average sunshine in April is 8h.UV index
In Underwood Heights, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Opt for tightly woven and loose clothing to enhance protection from the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What are the temperatures in Underwood Heights in April?
What is the average humidity in April in Underwood Heights?
How much does it rain in Underwood Heights in April?
When it does not snow in Underwood Heights?
Does it snow in Underwood Heights in April?
How many hours of daylight does Underwood Heights have in April?
What time are sunrise and sunset in April in Underwood Heights?
How long on average sun shines in April in Underwood Heights?
What is the UV index intensity in April in Underwood Heights?
Average temperature in April
Underwood Heights, WA
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in April: 35.2°F
The month with the highest average low temperature is August (51.4°F).
The coldest month (with the lowest average low temperature) is December (27°F).
Average pressure in April
Underwood Heights, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is August (29.97"Hg).
Average wind speed in April
Underwood Heights, WA
- Average wind speed in April: 6mph
The windiest month (with the highest average wind speed) is June (6.1mph).
The calmest month (with the lowest average wind speed) is October (4.8mph).
Average humidity in April
Underwood Heights, WA
- Average humidity in April: 77%
The months with the highest relative humidity are February and December (88%).
The month with the lowest relative humidity is July (59%).
Average rainfall in April
Underwood Heights, WA
- Average rainfall in April: 2.52"
The wettest month (with the highest rainfall) is January (5.67").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Underwood Heights, WA
- Average rainfall days in April: 16.8 days
The month with the highest number of rainy days is March (20 days).
The month with the least rainy days is August (4.2 days).
Average snowfall in April
Underwood Heights, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (4.76").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Underwood Heights, WA
- Average snowfall days in April: 0.1 days
The month with the highest number of snowfall days is December (4.1 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
Underwood Heights, WA
- Average daylight in April: 13h and 4min
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: 8h and 0min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in April
Underwood Heights, WA
- Average sunshine days in April: 10.7 days
The month with the most sunshine days is July (25.4 days).
The month with the least sunshine days is March (8.4 days).
Average UV index in April
Underwood Heights, 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
Underwood Heights, WA
- Average cloud cover in April: 52
The months with the most cloud cover are January and February (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 17).
Average visibility in April
Underwood Heights, WA
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (4mi).
Underwood Heights, Washington, USA
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