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
With the onset of April, the average high-temperature subtly transitions from a chilly 48.6°F (9.2°C) in March to a mild 57.4°F (14.1°C). In the month of April, Pomona Heights experiences an average low-temperature of 38.7°F (3.7°C).Humidity
In April, the average relative humidity in Pomona Heights is 59%.Rainfall
In April, the rain falls for 9 days. Throughout April, 0.35" (9mm) of precipitation is accumulated. Throughout the year, in Pomona Heights, there are 87.6 rainfall days, and 5.94" (151mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September, November and December. April is the last month it regularly snows in Pomona Heights. During 0.3 snowfall days, in April, Pomona Heights aggregates 0.04" (1mm) of snow. In Pomona Heights, during the entire year, snow falls for 19.9 days and aggregates up to 8.62" (219mm) of snow.Daylight
The average length of the day in April in Pomona Heights is 13h and 37min.On the first day of the month, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of April, in Pomona Heights, Washington, sunrise is at 5:47 am and sunset at 8:10 pm PDT.
Sunshine
In April, the average sunshine in Pomona Heights is 11h.UV index
The average daily maximum UV index in April in Pomona Heights is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A typical high UV index of 4 in April suggests the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Frequently asked questions
What is the temperature in April in Pomona Heights?
What is the average humidity in April in Pomona Heights?
How much does it rain in Pomona Heights in April?
What is the last month it snows in Pomona Heights?
What is the average length of the day in April in Pomona Heights?
When is the sunrise / sunset in April in Pomona Heights?
How many hours of sunshine does Pomona Heights have in April?
How high is the UV index in April in Pomona Heights?
Average temperature in April
Pomona Heights, WA
- Average high temperature in April: 57.4°F
The warmest month (with the highest average high temperature) is August (85.1°F).
The month with the lowest average high temperature is December (36°F).
- Average low temperature in April: 38.7°F
The month with the highest average low temperature is August (58.8°F).
The coldest month (with the lowest average low temperature) is December (23.9°F).
Average pressure in April
Pomona Heights, WA
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.93"Hg).
Average wind speed in April
Pomona Heights, WA
- Average wind speed in April: 6.8mph
The windiest month (with the highest average wind speed) is June (7.4mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in April
Pomona Heights, WA
- Average humidity in April: 59%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are July and August (41%).
Average rainfall in April
Pomona Heights, WA
- Average rainfall in April: 0.35"
The wettest month (with the highest rainfall) is December (0.87").
The driest month (with the least rainfall) is July (0.08").
Average rainfall days in April
Pomona Heights, WA
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is March (10.8 days).
The month with the least rainy days is July (2.3 days).
Average snowfall in April
Pomona Heights, WA
- Average snowfall in April: 0.04"
The month with the highest snowfall is December (3.07").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in April
Pomona Heights, WA
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is December (5.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Pomona Heights, WA
- Average daylight in April: 13h and 4min
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: 11h and 0min
The months with the most sunshine are July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 30min).
Average sunshine days in April
Pomona Heights, WA
- Average sunshine days in April: 18.5 days
The month with the most sunshine days is July (27.6 days).
The month with the least sunshine days is February (15.5 days).
Average UV index in April
Pomona Heights, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Pomona Heights, WA
- Average cloud cover in April: 27
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 9).
Average visibility in April
Pomona Heights, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Pomona Heights, Washington, USA
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