April weather forecast
Island Park, ID

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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.
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Frequently asked questions

How cold is April in Island Park?

The average high-temperature, in April, in Island Park, is 42.4°F (5.8°C), while the average low-temperature is 23.9°F (-4.5°C).

What is the average humidity in April in Island Park?

The average relative humidity in April in Island Park, Idaho, is 80%.

How many days does it rain in April in Island Park?

In Island Park, in April, it is raining for 14.4 days, with typically 2.48" (63mm) of accumulated precipitation.

How many days does it snow in April in Island Park?

In Island Park, Idaho, in April, snow falls for 16.6 days, with typically accumulated 12.64" (321mm) of snow.

How many hours of daylight does Island Park have in April?

In Island Park, the average day length in April is 13h and 30min.

What time are sunrise and sunset in April in Island Park?

In April, on the first day of the month, sunrise is at 7:04 am and sunset at 7:53 pm. On the last day of the month, in Island Park, sunrise is at 6:16 am and sunset at 8:29 pm MDT.

How many hours of sunshine does Island Park have in April?

The average sunshine duration in April in Island Park, Idaho, is 8.7h.

How high is the UV index in April in Island Park?

In Island Park, the average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in April
Island Park, ID

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).

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Average pressure in April
Island Park, ID

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).

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Average wind speed in April
Island Park, ID

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).

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Average humidity in April
Island Park, ID

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%).

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Average rainfall in April
Island Park, ID

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").

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Average rainfall days in April
Island Park, ID

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).

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Average snowfall in April
Island Park, ID

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").

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Average snowfall days in April
Island Park, ID

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).

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Average daylight in April /
Average sunshine in April
Island Park, ID

Average daylight in April / Average sunshine in April - Island Park, ID
  • Average daylight in April: 13h and 3min

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 4min

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).

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Average sunshine days in April
Island Park, ID

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).

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Average UV index in April
Island Park, ID

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).

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Average cloud cover in April
Island Park, ID

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).

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Average visibility in April
Island Park, ID

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).

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Island Park, Idaho, USA

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