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
Richmond Highlands's shift into April is marked by a subtle change to a still cool 55.2°F (12.9°C) from March's 50°F (10°C) in temperature. Throughout the month of April, Richmond Highlands observes an average nighttime temperature of 41.5°F (5.3°C).Humidity
The average relative humidity in April in Richmond Highlands, Washington, is 79%.Rainfall
In Richmond Highlands, in April, it is raining for 17.3 days, with typically 2.01" (51mm) of accumulated precipitation. In Richmond Highlands, during the entire year, the rain falls for 173 days and collects up to 25" (635mm) of precipitation.Snowfall
January through April, November and December are months with snowfall. April is the last month it regularly snows. During 0.4 snowfall days, in April, Richmond Highlands aggregates 0.08" (2mm) of snow. In Richmond Highlands, during the entire year, snow falls for 12.5 days and aggregates up to 6.65" (169mm) of snow.Daylight
In Richmond Highlands, the average length of the day in April is 13h and 41min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:40 pm. On the last day of April, sunrise is at 5:51 am and sunset at 8:21 pm PDT.
Sunshine
In Richmond Highlands, Washington, the average sunshine in April is 8.4h.UV index
In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during April translates into the following directions:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Frequently asked questions
What is the usual temperature for Richmond Highlands in April?
What is the average humidity in April in Richmond Highlands?
How many days does it rain in April in Richmond Highlands?
What is the last month it snows in Richmond Highlands?
What is the average length of the day in April in Richmond Highlands?
When are sunrise and sunset in April in Richmond Highlands?
How long on average sun shines in April in Richmond Highlands?
What is the UV index intensity in April in Richmond Highlands?
Average temperature in April
Richmond Highlands, WA
- Average high temperature in April: 55.2°F
The warmest month (with the highest average high temperature) is August (73.9°F).
The month with the lowest average high temperature is December (43.3°F).
- Average low temperature in April: 41.5°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (35.8°F).
Average pressure in April
Richmond Highlands, WA
- Average pressure in April: 30.04"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The months with the lowest atmospheric pressure are March, August and September (30.01"Hg).
Average wind speed in April
Richmond Highlands, WA
- Average wind speed in April: 5.1mph
The windiest month (with the highest average wind speed) is November (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).
Average humidity in April
Richmond Highlands, WA
- Average humidity in April: 79%
The months with the highest relative humidity are January, February and December (84%).
The month with the lowest relative humidity is July (72%).
Average rainfall in April
Richmond Highlands, WA
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is December (3.5").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Richmond Highlands, WA
- Average rainfall days in April: 17.3 days
The month with the highest number of rainy days is March (19.8 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in April
Richmond Highlands, WA
- Average snowfall in April: 0.08"
The month with the highest snowfall is February (3.58").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Richmond Highlands, WA
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is February (4.7 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
Richmond Highlands, WA
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Richmond Highlands, WA
- Average sunshine days in April: 9.8 days
The month with the most sunshine days is August (22.5 days).
The month with the least sunshine days is November (9.2 days).
Average UV index in April
Richmond Highlands, WA
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Richmond Highlands, WA
- Average cloud cover in April: 47
The months with the most cloud cover are January and December (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 25).
Average visibility in April
Richmond Highlands, 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).
Richmond Highlands, Washington, USA
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