April weather forecast
Idaho Falls, ID

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An eye-catching shot of the Snake River, Idaho Falls, with a view of the iconic Idaho Falls Temple in the back
An eye-catching shot of the Snake River, Idaho Falls, with a view of the iconic Idaho Falls Temple in the back

Weather in April

With April's arrival, the strong grip of winter significantly loosens in Idaho Falls. The landscape begins to significantly shift from white to green as snow gives way to rain showers. The vibrant sun stays out longer, a welcome change for residents who've weathered months of wintry gloom. However, while noticeably milder than winter, April weather is known for its unpredictability. Thus, residents should retain some winter weather gear while embracing the incoming spring bloom.

Temperature

The shift into April in Idaho Falls, Idaho, is accompanied by a temperature increase, with the average high-temperature rising from a chilly 43°F (6.1°C) in March to a cool 53.6°F (12°C). April in Idaho Falls is noted for a mean low-temperature of 34.3°F (1.3°C).

Humidity

The average relative humidity in April in Idaho Falls, Idaho, is 58%.

Rainfall

In Idaho Falls, during April, the rain falls for 9.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 84.3 rainfall days, and 6.97" (177mm) of precipitation is accumulated.

Snowfall

January through May, September through December are months with snowfall in Idaho Falls, Idaho. In Idaho Falls, in April, snow falls for 3.3 days, with typically accumulated 0.91" (23mm) of snow. Throughout the year, in Idaho Falls, there are 54.4 snowfall days, and 16.89" (429mm) of snow is accumulated.

Daylight

The average length of the day in April in Idaho Falls is 13h and 28min.
On the first day of April in Idaho Falls, sunrise is at 7:08 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:29 pm MDT.

Sunshine

In April, the average sunshine in Idaho Falls is 9.9h.

UV index

The average daily maximum UV index in April in Idaho Falls is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: The maximum UV index, 3 during April, leads to the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Frequently asked questions

What are the temperatures in Idaho Falls in April?

The average high-temperature and low-temperature in Idaho Falls, Idaho, during April are 53.6°F (12°C) and 34.3°F (1.3°C) respectively.

What is the average humidity in April in Idaho Falls?

In April, the average relative humidity is 58%.

How many days does it rain in April in Idaho Falls?

In Idaho Falls, in April, during 9.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated.

How many days does it snow in April in Idaho Falls?

In Idaho Falls, in April, snow falls for 3.3 days, with typically accumulated 0.91" (23mm) of snow.

What is the average length of the day in April in Idaho Falls?

In Idaho Falls, the average day length in April is 13h and 28min.

When is the sunrise / sunset in April in Idaho Falls?

On the first day of April in Idaho Falls, Idaho, sunrise is at 7:08 am and sunset at 7:55 pm. On the last day of the month, sunrise is at 6:20 am and sunset at 8:29 pm MDT.

How many hours of sunshine does Idaho Falls have in April?

In Idaho Falls, the average sunshine duration in April is 9.9h.

What is the UV index reading in April in Idaho Falls?

In Idaho Falls, the average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate 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
Idaho Falls, ID

Average temperature in April - Idaho Falls, ID
  • Average high temperature in April: 53.6°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (27.9°F).

  • Average low temperature in April: 34.3°F

The month with the highest average low temperature is August (54.3°F).
The coldest month (with the lowest average low temperature) is January (14.2°F).

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Average pressure in April
Idaho Falls, ID

Average pressure in April - Idaho Falls, ID
  • Average pressure in April: 29.96"Hg

The month with the highest atmospheric pressure is January (30.3"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

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Average wind speed in April
Idaho Falls, ID

Average wind speed in April - Idaho Falls, ID
  • Average wind speed in April: 9mph

The windiest month (with the highest average wind speed) is April (9mph).
The calmest month (with the lowest average wind speed) is January (5.8mph).

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Average humidity in April
Idaho Falls, ID

Average humidity in April - Idaho Falls, ID
  • Average humidity in April: 58%

The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (35%).

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Average rainfall in April
Idaho Falls, ID

Average rainfall in April - Idaho Falls, ID
  • Average rainfall in April: 0.63"

The wettest months (with the highest rainfall) are May and September (0.83").
The driest month (with the least rainfall) is July (0.35").

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Average rainfall days in April
Idaho Falls, ID

Average rainfall days in April - Idaho Falls, ID
  • Average rainfall days in April: 9.5 days

The month with the highest number of rainy days is May (10.7 days).
The month with the least rainy days is January (3.7 days).

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Average snowfall in April
Idaho Falls, ID

Average snowfall in April - Idaho Falls, ID
  • Average snowfall in April: 0.91"

The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July and August (0").

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Average snowfall days in April
Idaho Falls, ID

Average snowfall days in April - Idaho Falls, ID
  • Average snowfall days in April: 3.3 days

The month with the highest number of snowfall days is December (12.9 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight in April /
Average sunshine in April
Idaho Falls, ID

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

The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).

  • Average sunshine in April: 9h and 5min

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days in April
Idaho Falls, ID

Average sunshine days in April - Idaho Falls, ID
  • Average sunshine days in April: 16.6 days

The month with the most sunshine days is October (22.1 days).
The month with the least sunshine days is February (16.2 days).

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Average UV index in April
Idaho Falls, ID

Average UV index in April - Idaho Falls, ID
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average cloud cover in April
Idaho Falls, ID

Average cloud cover in April - Idaho Falls, ID
  • Average cloud cover in April: 32

The months with the most cloud cover are January and February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 11).

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Average visibility in April
Idaho Falls, ID

Average visibility in April - Idaho Falls, ID
  • Average visibility in April: 6mi

The months with the highest visibility are March, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).

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Idaho Falls, Idaho, USA

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