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
In Grangeville, the onset of April comes with a modest high-temperature shift, transitioning from March's chilly 44.6°F (7°C) to a cool 52.3°F (11.3°C). Throughout April, Grangeville anticipates an average low-temperature of 33.1°F (0.6°C).Humidity
In Grangeville, Idaho, the average relative humidity in April is 75%.Rainfall
April is the month with the most rainfall in Grangeville, Idaho. Rain falls for 19.3 days and accumulates 2.91" (74mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In Grangeville, during April, snow falls for 7.4 days and regularly aggregates up to 3.54" (90mm) of snow. Throughout the year, in Grangeville, 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, in Grangeville, sunrise is at 5:31 am and sunset at 7:51 pm PDT.
Sunshine
In April, the average sunshine is 9.1h.UV index
The average daily maximum UV index in April in Grangeville is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 2 during April, leads to the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Frequently asked questions
What are April temperatures in Grangeville?
What is the average humidity in April in Grangeville?
What is the rainiest month in Grangeville?
How many days does it rain in April in Grangeville?
How much does it snow in Grangeville in April?
What is the average length of the day in April in Grangeville?
When are sunrise and sunset in April in Grangeville?
How long on average sun shines in April in Grangeville?
What is the UV index reading in April in Grangeville?
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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