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
The coming of April brings a minor shift in Grangeville's weather, with average high-temperatures adjusting from March's chilly 44.6°F (7°C) to a cool 52.3°F (11.3°C). Throughout April, Grangeville experiences a low-temperature average of 33.1°F (0.6°C).Humidity
In Grangeville, the average relative humidity in April is 75%.Rainfall
The month with the most rainfall is April, when the rain falls for 19.3 days and typically aggregates up to 2.91" (74mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Grangeville, in April, during 7.4 snowfall days, 3.54" (90mm) of snow is typically accumulated. Throughout the year, there are 80.3 snowfall days, and 60.47" (1536mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 35min.On the first day of the month, sunrise is at 6:22 am and sunset at 7:13 pm. On the last day of April, sunrise is at 5:31 am and sunset at 7:51 pm PDT.
Sunshine
In April, the average sunshine is 9.1h.UV index
In Grangeville, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 2 in April transforms into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. To guard against the harmful effects of the Sun, minimize exposure during midday. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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?
What is the rainiest month?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Grangeville have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Grangeville have in April?
How high is the UV index in April?
Average temperature in April
Grangeville, ID
- Average high temperature in April: 52.3°F
The warmest month (with the highest average high temperature) is August (82.6°F).
The month with the lowest average high temperature is December (33.6°F).
- Average low temperature in April: 33.1°F
The month with the highest average low temperature is August (53.2°F).
The coldest month (with the lowest average low temperature) is December (21.7°F).
Average pressure in April
Grangeville, ID
- Average pressure in April: 30.01"Hg
The month with the highest atmospheric pressure is January (30.21"Hg).
The months with the lowest atmospheric pressure are June and August (29.94"Hg).
Average wind speed in April
Grangeville, ID
- Average wind speed in April: 4.5mph
The windiest months (with the highest average wind speed) are January and November (4.9mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in April
Grangeville, ID
- Average humidity in April: 75%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Grangeville, ID
- Average rainfall in April: 2.91"
The wettest month (with the highest rainfall) is April (2.91").
The driest month (with the least rainfall) is July (0.59").
Average rainfall days in April
Grangeville, ID
- Average rainfall days in April: 19.3 days
The month with the highest number of rainy days is April (19.3 days).
The month with the least rainy days is August (6.8 days).
Average snowfall in April
Grangeville, ID
- Average snowfall in April: 3.54"
The month with the highest snowfall is February (12.95").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Grangeville, ID
- Average snowfall days in April: 7.4 days
The month with the highest number of snowfall days is December (16.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Grangeville, ID
- 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: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in April
Grangeville, ID
- Average sunshine days in April: 7.8 days
The month with the most sunshine days is August (22.2 days).
The month with the least sunshine days is March (7.5 days).
Average UV index in April
Grangeville, ID
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in April
Grangeville, ID
- Average cloud cover in April: 43
The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Grangeville, ID
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Grangeville, Idaho, USA
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