April weather forecastIsland Park, ID
April
Weather in April
As the season shifts to spring in April, Island Park experiences a significant rise in temperatures. The weather starts to become comparatively mild with more daylight hours and the disappearance of winter's thick snow-cover. Snowfall drops sharply from 16.69" (424mm) to 12.64" (321mm). April showers bring forth a splash of color as flowers bloom and grasses sprout, replacing the winter white. This transition ushers in a new season of outdoor activities.Temperature
A shift in the average high-temperature is noticeable in April in Island Park, changing from 32.9°F (0.5°C) in March to a still wintry 42.4°F (5.8°C). During the April nights, an average temperature of 23.9°F (-4.5°C) is observed in Island Park.Humidity
In Island Park, the average relative humidity in April is 80%.Rainfall
In Island Park, Idaho, during April, the rain falls for 14.4 days and regularly aggregates up to 2.48" (63mm) of precipitation. Throughout the year, in Island Park, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
January through July, September through December are months with snowfall. In Island Park, in April, snow falls for 16.6 days, with typically accumulated 12.64" (321mm) of snow. In Island Park, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.Daylight
The average length of the day in April is 13h and 30min.On the first day of April, sunrise is at 7:04 am and sunset at 7:53 pm. On the last day of the month, sunrise is at 6:16 am and sunset at 8:29 pm MDT.
Sunshine
The average sunshine in April in Island Park is 8.7h.UV index
In April, the average daily maximum UV index in Island Park is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index, 2 in April, converts into 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. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Island Park, ID
- Average high temperature in April: 42.4°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in April: 23.9°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in April
Island Park, ID
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Island Park, ID
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in April
Island Park, ID
- Average humidity in April: 80%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Island Park, ID
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Island Park, ID
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Island Park, ID
- Average snowfall in April: 12.64"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in April
Island Park, ID
- Average snowfall days in April: 16.6 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in April /
Average sunshine in April
Island Park, ID
- Average daylight in April: 13h and 30min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in April: 8h and 42min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Island Park, ID
- Average sunshine days in April: 6.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in April
Island Park, ID
- Average UV index in April: 2
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 1).
Average cloud cover in April
Island Park, ID
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in April
Island Park, ID
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).





