April weather forecast
Ammon, ID

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Weather in April

April portrays a classic spring, characterized by the blooms of flora and an increase in overall temperature. Rain continues its trend from March but with increased frequency, contributing to the bloom of wildflowers. The drop in snowfall to an average of 0.91" (23mm) further reinforces the onset of spring. The city exhibits longer days of sunshine, uplifting the mood, and catering to outdoor activities. Warming afternoons and cooler evenings depict the typical weather pattern, offering a pleasant setting for inhabitants and visitors alike.

Temperature

April marks a rise in the average high-temperature in Ammon, moving from March's chilly 43°F (6.1°C) to a fresh 53.6°F (12°C). During the month of April, the temperature falls to an average of 34.3°F (1.3°C).

Humidity

The average relative humidity in April in Ammon is 58%.

Rainfall

In Ammon, in April, during 9.5 rainfall days, 0.63" (16mm) of precipitation is typically accumulated. In Ammon, during the entire year, the rain falls for 84.3 days and collects up to 6.97" (177mm) of precipitation.

Snowfall

Months with snowfall in Ammon are January through May, September through December. In Ammon, in April, during 3.3 snowfall days, 0.91" (23mm) of snow is typically accumulated. In Ammon, during the entire year, snow falls for 54.4 days and aggregates up to 16.89" (429mm) of snow.

Daylight

In Ammon, the average length of the day in April is 13h and 28min.
On the first day of April in Ammon, sunrise is at 7:07 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

The average sunshine in April is 9.9h.

UV index

In April, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: During April, 3 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Defending against sun damage is advocated. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in April in Ammon?

An average high-temperature, in April, in Ammon, is 53.6°F (12°C) and the average low-temperature is 34.3°F (1.3°C).

What is the average humidity in April in Ammon?

In April, the average relative humidity in Ammon is 58%.

How many days does it rain in April in Ammon?

In Ammon, in April, it is raining for 9.5 days, with typically 0.63" (16mm) of accumulated precipitation.

How many days does it snow in April in Ammon?

In Ammon, Idaho, in April, during 3.3 snowfall days, 0.91" (23mm) of snow is typically accumulated.

What is the average length of the day in April in Ammon?

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

When is the sunrise / sunset in April in Ammon?

In April, on the first day of the month, sunrise is at 7:07 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 Ammon have in April?

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

What is the UV index intensity in April in Ammon?

In April, the average daily maximum UV index in Ammon, Idaho, is 3. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe 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
Ammon, ID

Average temperature in April - Ammon, 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).

Average pressure in April
Ammon, ID

Average pressure in April - Ammon, 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).

Average wind speed in April
Ammon, ID

Average wind speed in April - Ammon, 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).

Average humidity in April
Ammon, ID

Average humidity in April - Ammon, 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%).

Average rainfall in April
Ammon, ID

Average rainfall in April - Ammon, 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").

Average rainfall days in April
Ammon, ID

Average rainfall days in April - Ammon, 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).

Average snowfall in April
Ammon, ID

Average snowfall in April - Ammon, 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").

Average snowfall days in April
Ammon, ID

Average snowfall days in April - Ammon, 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).

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

Average daylight in April / Average sunshine in April - Ammon, 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).

Average sunshine days in April
Ammon, ID

Average sunshine days in April - Ammon, 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).

Average UV index in April
Ammon, ID

Average UV index in April - Ammon, 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).

Average cloud cover in April
Ammon, ID

Average cloud cover in April - Ammon, 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).

Average visibility in April
Ammon, ID

Average visibility in April - Ammon, 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).

Ammon, Idaho, USA

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