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
As Grand Rapids transitions from March to April, the average high-temperatures adjust to a cool 55°F (12.8°C), nearly the same as the previous 49.8°F (9.9°C). In Grand Rapids, the expected average low-temperature for April is an icy 36.9°F (2.7°C).Humidity
In Grand Rapids, the average relative humidity in April is 84%.Rainfall
In Grand Rapids, Oregon, in April, during 19.6 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Grand Rapids, during the entire year, the rain falls for 184.4 days and collects up to 36.61" (930mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. April is the last month it regularly snows. During 0.3 snowfall days, in April, Grand Rapids aggregates 0.04" (1mm) of snow. In Grand Rapids, during the entire year, snow falls for 11.8 days and aggregates up to 10.24" (260mm) of snow.Daylight
In Grand Rapids, the average length of the day in April is 13h and 35min.On the first day of April, sunrise is at 6:52 am and sunset at 7:43 pm. On the last day of the month, sunrise is at 6:01 am and sunset at 8:21 pm PDT.
Sunshine
In Grand Rapids, the average sunshine in April is 6.3h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 3 in April transforms into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
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 are sunrise and sunset in April in Grand Rapids?
How many hours of sunshine does Grand Rapids have in April?
How high is the UV index in April?
Average temperature in April
Grand Rapids, OR
- Average high temperature in April: 55°F
The warmest month (with the highest average high temperature) is August (77°F).
The month with the lowest average high temperature is December (42.1°F).
- Average low temperature in April: 36.9°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (32.9°F).
Average pressure in April
Grand Rapids, OR
- Average pressure in April: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are August and September (30.02"Hg).
Average wind speed in April
Grand Rapids, OR
- Average wind speed in April: 4.6mph
The windiest months (with the highest average wind speed) are January, March and November (4.8mph).
The calmest month (with the lowest average wind speed) is September (3.9mph).
Average humidity in April
Grand Rapids, OR
- Average humidity in April: 84%
The month with the highest relative humidity is November (89%).
The month with the lowest relative humidity is July (73%).
Average rainfall in April
Grand Rapids, OR
- Average rainfall in April: 3.03"
The wettest month (with the highest rainfall) is January (5.79").
The driest months (with the least rainfall) are July and August (0.51").
Average rainfall days in April
Grand Rapids, OR
- Average rainfall days in April: 19.6 days
The month with the highest number of rainy days is March (21.7 days).
The month with the least rainy days is July (6 days).
Average snowfall in April
Grand Rapids, OR
- Average snowfall in April: 0.04"
The month with the highest snowfall is February (3.94").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Grand Rapids, OR
- Average snowfall days in April: 0.3 days
The month with the highest number of snowfall days is February (4.4 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
Grand Rapids, OR
- 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: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 3h and 18min).
Average sunshine days in April
Grand Rapids, OR
- Average sunshine days in April: 8.8 days
The month with the most sunshine days is July (22.1 days).
The months with the least sunshine days are February and March (7.6 days).
Average UV index in April
Grand Rapids, OR
- Average UV index in April: 3
The month with the highest UV index is 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
Grand Rapids, OR
- Average cloud cover in April: 62
The months with the most cloud cover are February and March (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in April
Grand Rapids, OR
- Average visibility in April: 4mi
The months with the highest visibility are July and August (5mi).
The months with the lowest visibility are January, February, March, April, May, June, September, October, November and December (4mi).
Grand Rapids, Oregon, USA
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