Idaho Falls
Idaho, USA
Long-term weather forecast
Long-term weather forecast

April weather forecast and climate
Idaho Falls, ID

An eye-catching shot of the Snake River, Idaho Falls, with a clear view of the iconic Idaho Falls Temple in the back, through the trees
An eye-catching shot of the Snake River, Idaho Falls, with a clear view of the iconic Idaho Falls Temple in the back, through the trees
April in Idaho Falls, Idaho, is a moderate spring month, with average temperature varying between 58.6°F (14.8°C) and 31.3°F (-0.4°C).

Temperature

In April, the average high-temperature rises, from a chilly 47.7°F (8.7°C) in March, to a mild 58.6°F (14.8°C). In April, the average low-temperature is 31.3°F (-0.4°C).

Rainfall

In Idaho Falls, it is raining for 9 days, with typically 1.3" (32.3mm) of accumulated precipitation. Throughout the year, there are 100 rainfall days, and 14.2" (361.1mm) of precipitation is accumulated.

Daylight

In Idaho Falls, the average length of the day is 13.5h.

Sunshine

In Idaho Falls, the average sunshine in April is 9h.

UV index

In Idaho Falls, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from the exposure to the Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 6 translate into the following recommendations:
Take precautions and adopt sun safety practices. Protection against sunburn is obliged. Seek shade and minimize exposure to direct Sun in a period between 10 a.m. and 4 p.m. when UV radiation is most intense; keep in mind that shade structures like parasols or canopies do not provide perfect sun protection. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in April in Idaho Falls?

The average high-temperature, in April, in Idaho Falls, is 58.6°F (14.8°C), while the average low-temperature is 31.3°F (-0.4°C).

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

In Idaho Falls, in April, during 9 rainfall days, 1.3" (32.3mm) of precipitation is typically accumulated.

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

In April, the average length of the day in Idaho Falls, Idaho, is 13.5h.

How long on average sun shines in April in Idaho Falls?

In April, the average sunshine is 9h.

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

The average daily maximum UV index in April is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to the UV radiation.
Average temperature in April - Idaho Falls, ID
  • Average high temperature in April: 58.7°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (29.7°F).

  • Average low temperature in April: 31.3°F

The month with the highest average low temperature is July (51.4°F).
The coldest month (with the lowest average low temperature) is January (12.5°F).

Average rainfall in April - Idaho Falls, ID
  • Average rainfall in April: 1.3"

The wettest month (with the highest rainfall) is May (2").
The driest month (with the lowest rainfall) is July (0.7").

Average rainfall days in April - Idaho Falls, ID
  • Average rainfall days in April: 9 days

Months with the highest number of rainy days are January and December (11 days).
Months with the lowest number of rainy days are July and October (5 days).

Average daylight in April / Average sunshine in April - Idaho Falls, ID
  • Average daylight in April: 13.5h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).

  • Average sunshine in April: 9h

The month with most sunshine is July (Average sunshine: 12h).
Months with least sunshine are January, November and December (Average sunshine: 4).

Average UV index in April - Idaho Falls, ID
  • Average UV index in April: 6

The month with the highest UV index is July (UV index 10).
Months with the lowest UV index are January and December (UV index 1).