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, Regal's weather sees a temperature rise, transitioning from a frosty 45.1°F (7.3°C) in March to a fresh 54.5°F (12.5°C). During the nights in April, the temperature averages to a wintry 36.1°F (2.3°C).Humidity
The average relative humidity in April is 64%.Rainfall
In Regal, during April, the rain falls for 10.9 days and regularly aggregates up to 0.55" (14mm) of precipitation. Throughout the year, there are 99.9 rainfall days, and 8.66" (220mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, September through December. April is the last month it regularly snows. During 1.2 snowfall days, in April, Regal aggregates 0.2" (5mm) of snow. In Regal, during the entire year, snow falls for 35.4 days and aggregates up to 15.59" (396mm) of snow.Daylight
In April, the average length of the day is 13h and 38min.On the first day of April, sunrise is at 6:39 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 5:46 am and sunset at 8:11 pm PDT.
Sunshine
The average sunshine in April is 10.4h.UV index
The average daily maximum UV index in April in Regal is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: An average maximum UV index of 3 in April leads to these recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
What is the last month it snows?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Regal, WA
- Average high temperature in April: 54.5°F
The warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is December (33.3°F).
- Average low temperature in April: 36.1°F
The month with the highest average low temperature is August (55.2°F).
The coldest month (with the lowest average low temperature) is December (21.4°F).
Average pressure in April
Regal, WA
- Average pressure in April: 30.01"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
Regal, WA
- Average wind speed in April: 7.4mph
The windiest month (with the highest average wind speed) is June (8.9mph).
The calmest month (with the lowest average wind speed) is December (4.2mph).
Average humidity in April
Regal, WA
- Average humidity in April: 64%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are July and August (46%).
Average rainfall in April
Regal, WA
- Average rainfall in April: 0.55"
The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in April
Regal, WA
- Average rainfall days in April: 10.9 days
The month with the highest number of rainy days is March (12.4 days).
The month with the least rainy days is August (2.8 days).
Average snowfall in April
Regal, WA
- Average snowfall in April: 0.2"
The month with the highest snowfall is December (4.65").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in April
Regal, WA
- Average snowfall days in April: 1.2 days
The months with the highest number of snowfall days are January and December (8.7 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Regal, 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: 10h and 2min
The months with the most sunshine are July and August (Average sunshine: 12h and 0min).
The months with the least sunshine are January and December (Average sunshine: 4h and 48min).
Average sunshine days in April
Regal, WA
- Average sunshine days in April: 15.8 days
The month with the most sunshine days is July (27.1 days).
The month with the least sunshine days is February (13.5 days).
Average UV index in April
Regal, 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, March, November and December (UV index 2).
Average cloud cover in April
Regal, WA
- Average cloud cover in April: 32
The month with the most cloud cover is January (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in April
Regal, WA
- Average visibility in April: 6mi
The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (4mi).
Regal, Washington, USA
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