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
Royal City's weather in April shows a rise in the average high-temperature, moving up from March's fresh 51.4°F (10.8°C) to a comfortable 61.3°F (16.3°C). An average low-temperature of 41.5°F (5.3°C) is common during the nights of April.Humidity
The average relative humidity in April is 52%.Rainfall
In Royal City, in April, it is raining for 8.8 days, with typically 0.39" (10mm) of accumulated precipitation. In Royal City, Washington, during the entire year, the rain falls for 86.4 days and collects up to 6.38" (162mm) of precipitation.Snowfall
Months with snowfall in Royal City are January through April, September, November and December. April is the last month it regularly snows in Royal City. During 0.4 snowfall days, in April, Royal City aggregates 0.08" (2mm) of snow. Throughout the year, there are 22.3 snowfall days, and 10" (254mm) of snow is accumulated.Daylight
In Royal City, Washington, the average length of the day in April is 13h and 38min.On the first day of April in Royal City, sunrise is at 6:35 am and sunset at 7:28 pm. On the last day of the month, sunrise is at 5:43 am and sunset at 8:08 pm PDT.
Sunshine
The average sunshine in April is 10.3h.UV index
In April, the average daily maximum UV index in Royal City is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The average daily UV index of 4 in April transforms into the following instructions:
Preventative actions are necessary - The mandate to avoid skin and eye damage is in place. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are the temperatures in Royal City in April?
What is the average humidity in April in Royal City?
How much does it rain in Royal City in April?
What is the last month it snows in Royal City?
How many hours of daylight does Royal City have in April?
When are sunrise and sunset in April in Royal City?
How long on average sun shines in April in Royal City?
What is the UV index intensity in April in Royal City?
Average temperature in April
Royal City, WA
- Average high temperature in April: 61.3°F
The warmest months (with the highest average high temperature) are July and August (88.3°F).
The month with the lowest average high temperature is December (34.5°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is December (24.3°F).
Average pressure in April
Royal City, WA
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in April
Royal City, WA
- Average wind speed in April: 7.6mph
The windiest month (with the highest average wind speed) is April (7.6mph).
The calmest month (with the lowest average wind speed) is December (4.7mph).
Average humidity in April
Royal City, WA
- Average humidity in April: 52%
The month with the highest relative humidity is January (83%).
The month with the lowest relative humidity is July (37%).
Average rainfall in April
Royal City, WA
- Average rainfall in April: 0.39"
The wettest months (with the highest rainfall) are January and December (0.87").
The driest month (with the least rainfall) is August (0.2").
Average rainfall days in April
Royal City, WA
- Average rainfall days in April: 8.8 days
The month with the highest number of rainy days is March (10.6 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in April
Royal City, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is December (3.43").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in April
Royal City, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is December (6.5 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Royal City, 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 month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in April
Royal City, WA
- Average sunshine days in April: 19 days
The months with the most sunshine days are July and August (25.8 days).
The month with the least sunshine days is February (16 days).
Average UV index in April
Royal City, WA
- Average UV index in April: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Royal City, WA
- Average cloud cover in April: 32
The month with the most cloud cover is January (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in April
Royal City, WA
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and December (5mi).
Royal City, Washington, USA
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