April weather forecast
Jerome, ID

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The high rocks around the Snake River near the iconic Shoshone Falls in Jerome County, Idaho
The high rocks around the Snake River near the iconic Shoshone Falls in Jerome County, Idaho

Weather in April

April’s weather in Jerome, Idaho, is characterized by warmer temperatures and further dwindling snowfall. The shift from March’s occasionally chilly conditions to April's mild temperatures spells out clear signs of spring. The presence of snowfall reduces to a minimum of 0.67" (17mm) occurring within two days max. The longer daylight hours allow locals to enjoy outdoor activities while the reduced cloud cover provides beautiful sunsets. Moving into May, anticipation for farewell to frosts and the approach of summer weather grows stronger.

Temperature

April in Jerome brings a slight elevation in the average high-temperature, transitioning from March's frosty 48.9°F (9.4°C) to a mild 57.2°F (14°C). Throughout the month of April, Jerome observes an average nighttime temperature of 38.5°F (3.6°C).

Humidity

The average relative humidity in April in Jerome, Idaho, is 51%.

Rainfall

In Jerome, during April, the rain falls for 10.3 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, in Jerome, there are 86.9 rainfall days, and 8.98" (228mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. April is the last month it regularly snows. During 2 snowfall days, in April, Jerome aggregates 0.67" (17mm) of snow. In Jerome, during the entire year, snow falls for 42 days and aggregates up to 23.35" (593mm) of snow.

Daylight

In April, the average length of the day is 13h and 25min.
On the first day of April, sunrise is at 7:18 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:37 pm MDT.

Sunshine

In Jerome, the average sunshine in April is 9.9h.

UV index

The average daily maximum UV index in April is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: In April, an average UV index of 3 transforms into the following instructions:
Guard yourself - Precautionary measures against sun damage are advocated. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Frequently asked questions

What is the temperature in April in Jerome?

The average high-temperature, in April, in Jerome, is 57.2°F (14°C), while the average low-temperature is 38.5°F (3.6°C).

What is the average humidity in April in Jerome?

In April, the average relative humidity is 51%.

How many days does it rain in April in Jerome?

In Jerome, Idaho, in April, it is raining for 10.3 days, with typically 0.75" (19mm) of accumulated precipitation.

What is the last month it snows in Jerome?

April is the last month it regularly snows. During 2 snowfall days, in April, Jerome aggregates 0.67" (17mm) of snow.

How many hours of daylight does Jerome have in April?

The average day length in April in Jerome, Idaho, is 13h and 25min.

When are sunrise and sunset in April in Jerome?

On the first day of April, sunrise is at 7:18 am and sunset at 8:04 pm. On the last day of the month, sunrise is at 6:32 am and sunset at 8:37 pm MDT.

How long on average sun shines in April in Jerome?

The average sunshine duration in April in Jerome, Idaho, is 9.9h.

What is the UV index intensity in April in Jerome?

The average daily maximum UV index in April in Jerome, Idaho, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
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
Jerome, ID

Average temperature in April - Jerome, ID
  • Average high temperature in April: 57.2°F

The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is December (32.9°F).

  • Average low temperature in April: 38.5°F

The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.9°F).

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Average pressure in April
Jerome, ID

Average pressure in April - Jerome, ID
  • Average pressure in April: 29.95"Hg

The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).

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Average wind speed in April
Jerome, ID

Average wind speed in April - Jerome, ID
  • Average wind speed in April: 9.5mph

The windiest month (with the highest average wind speed) is April (9.5mph).
The calmest month (with the lowest average wind speed) is August (7mph).

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Average humidity in April
Jerome, ID

Average humidity in April - Jerome, ID
  • Average humidity in April: 51%

The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (29%).

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Average rainfall in April
Jerome, ID

Average rainfall in April - Jerome, ID
  • Average rainfall in April: 0.75"

The wettest month (with the highest rainfall) is December (1.3").
The driest month (with the least rainfall) is July (0.16").

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Average rainfall days in April
Jerome, ID

Average rainfall days in April - Jerome, ID
  • Average rainfall days in April: 10.3 days

The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is July (3.3 days).

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Average snowfall in April
Jerome, ID

Average snowfall in April - Jerome, ID
  • Average snowfall in April: 0.67"

The month with the highest snowfall is January (7.44").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in April
Jerome, ID

Average snowfall days in April - Jerome, ID
  • Average snowfall days in April: 2 days

The months with the highest number of snowfall days are January and December (10.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in April /
Average sunshine in April
Jerome, ID

Average daylight in April / Average sunshine in April - Jerome, ID
  • Average daylight in April: 13h and 2min

The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in April: 9h and 5min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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Average sunshine days in April
Jerome, ID

Average sunshine days in April - Jerome, ID
  • Average sunshine days in April: 16.3 days

The month with the most sunshine days is July (25.2 days).
The month with the least sunshine days is March (15.2 days).

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Average UV index in April
Jerome, ID

Average UV index in April - Jerome, ID
  • Average UV index in April: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).

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Average cloud cover in April
Jerome, ID

Average cloud cover in April - Jerome, ID
  • Average cloud cover in April: 28

The month with the most cloud cover is December (Cloud cover 39).
The months with the least cloud cover are July and August (Cloud cover 9).

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Average visibility in April
Jerome, ID

Average visibility in April - Jerome, ID
  • Average visibility in April: 6mi

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

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Jerome, Idaho, USA

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