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
Grandview experiences a temperature shift with the start of April, with average high-temperatures moving from a fresh 52.3°F (11.3°C) in March to a refreshing 61.3°F (16.3°C). Grandview observes an average nighttime low-temperature of 42.1°F (5.6°C) during the month of April.Humidity
In April, the average relative humidity is 54%.Rainfall
In Grandview, during April, the rain falls for 8.3 days and regularly aggregates up to 0.28" (7mm) of precipitation. Throughout the year, there are 80.1 rainfall days, and 4.84" (123mm) of precipitation is accumulated.Snowfall
April through October are months without snowfall in Grandview.Daylight
In Grandview, the average length of the day in April is 13h and 36min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:29 pm. On the last day of April, sunrise is at 5:45 am and sunset at 8:07 pm PDT.
Sunshine
The average sunshine in April is 10h.UV index
In Grandview, the average daily maximum UV index in April is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 4 in April suggests the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun's radiation is especially intense around midday; try to stay in shade during this period. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in April?
What is the average humidity in April?
How many days does it rain in April?
When it does not snow?
Does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Grandview have in April?
What is the UV index reading in April?
Average temperature in April
Grandview, WA
- Average high temperature in April: 61.3°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (36.5°F).
- Average low temperature in April: 42.1°F
The month with the highest average low temperature is August (62.2°F).
The coldest month (with the lowest average low temperature) is December (26.2°F).
Average pressure in April
Grandview, WA
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is August (29.92"Hg).
Average wind speed in April
Grandview, WA
- Average wind speed in April: 8.5mph
The windiest month (with the highest average wind speed) is April (8.5mph).
The calmest month (with the lowest average wind speed) is December (5.2mph).
Average humidity in April
Grandview, WA
- Average humidity in April: 54%
The month with the highest relative humidity is January (82%).
The month with the lowest relative humidity is July (37%).
Average rainfall in April
Grandview, WA
- Average rainfall in April: 0.28"
The wettest month (with the highest rainfall) is May (0.71").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Grandview, WA
- Average rainfall days in April: 8.3 days
The month with the highest number of rainy days is May (9.2 days).
The month with the least rainy days is July (4 days).
Average snowfall in April
Grandview, WA
- Average snowfall in April: 0"
The month with the highest snowfall is February (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in April
Grandview, WA
- Average snowfall days in April: 0 days
The month with the highest number of snowfall days is December (3.9 days).
The months with the least snowfall days are April, May, June, July, August and October (0 days).
Average daylight in April /
Average sunshine in April
Grandview, 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: 10h and 0min
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
Grandview, WA
- Average sunshine days in April: 19.5 days
The month with the most sunshine days is July (25.7 days).
The month with the least sunshine days is February (18.7 days).
Average UV index in April
Grandview, 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
Grandview, WA
- Average cloud cover in April: 34
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in April
Grandview, 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).
Grandview, Washington, USA
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