Contents
- Weather in April
- Frequently asked questions
- Average temperature in April
- Average pressure in April
- Average wind speed in April
- Average humidity in April
- Average rainfall in April
- Average rainfall days in April
- Average snowfall in April
- Average snowfall days in April
- Average daylight in April
- Average sunshine in April
- Average sunshine days in April
- Average UV index in April
- Average cloud cover in April
- Average visibility in April
Weather in April
Temperature
As March gives way to April, the average high-temperature displays a slight ascent, adjusting from a wintry 35.2°F (1.8°C) to a still icy 42.4°F (5.8°C). In April, the average low-temperature records at a subzero cold 25°F (-3.9°C) during the nights.Humidity
In April, the average relative humidity is 73%.Rainfall
In April, the rain falls for 9 days. Throughout April, 0.59" (15mm) of precipitation is accumulated. Throughout the year, there are 75.7 rainfall days, and 6.38" (162mm) of precipitation is accumulated.Snowfall
Months with snowfall in May are January through June, September through December. In April, it is snowing for 4.8 days. Throughout April, 1.57" (40mm) of snow is accumulated. In May, during the entire year, snow falls for 51.7 days and aggregates up to 18.62" (473mm) of snow.Daylight
In May, Idaho, the average length of the day in April is 13h and 31min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:03 pm. On the last day of April, sunrise is at 6:25 am and sunset at 8:39 pm MDT.
Sunshine
The average sunshine in April is 9.9h.UV index
January through April, October through December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 2 during April morphs into the following directions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is April?
What is the average humidity in April?
How many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does May have in April?
What is the month with the lowest UV index?
What is the UV index intensity in April?
Average temperature in April
May, ID
- Average high temperature in April: 42.4°F
The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (26.1°F).
- Average low temperature in April: 25°F
The month with the highest average low temperature is August (47.8°F).
The coldest month (with the lowest average low temperature) is January (8.1°F).
Average pressure in April
May, ID
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.27"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
May, ID
- Average wind speed in April: 5.6mph
The windiest months (with the highest average wind speed) are June and July (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.8mph).
Average humidity in April
May, ID
- Average humidity in April: 73%
The month with the highest relative humidity is February (87%).
The months with the lowest relative humidity are July and August (38%).
Average rainfall in April
May, ID
- Average rainfall in April: 0.59"
The wettest month (with the highest rainfall) is June (1.1").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
May, ID
- Average rainfall days in April: 9 days
The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
May, ID
- Average snowfall in April: 1.57"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are July and August (0").
Average snowfall days in April
May, ID
- Average snowfall days in April: 4.8 days
The month with the highest number of snowfall days is December (10.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
May, 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: 9h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 48min).
Average sunshine days in April
May, ID
- Average sunshine days in April: 17.2 days
The month with the most sunshine days is July (24.1 days).
The months with the least sunshine days are March and April (17.2 days).
Average UV index in April
May, 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, March, April, October, November and December (UV index 2).
Average cloud cover in April
May, ID
- Average cloud cover in April: 34
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is July (Cloud cover 11).
Average visibility in April
May, ID
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January and February (4mi).
May, Idaho, USA
Weather forecast for your location
2. Allow the app to use your location