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 Harrison transitions into April, the average high-temperature shows a change, moving from a frosty 43.3°F (6.3°C) in March to a fresh 52.9°F (11.6°C). In the month of April, Harrison records a consistent average low-temperature of 33.3°F (0.7°C).Humidity
In Harrison, the average relative humidity in April is 74%.Rainfall
In Harrison, in April, during 18.2 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. In Harrison, Idaho, during the entire year, the rain falls for 148.8 days and collects up to 23.86" (606mm) of precipitation.Snowfall
Months with snowfall in Harrison are January through May, September through December. In Harrison, in April, during 3.5 snowfall days, 1.65" (42mm) of snow is typically accumulated. Throughout the year, there are 67.9 snowfall days, and 53.5" (1359mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 40min.On the first day of April, sunrise is at 6:23 am and sunset at 7:17 pm. On the last day of the month, sunrise is at 5:30 am and sunset at 7:58 pm PDT.
Sunshine
In Harrison, the average sunshine in April is 8.3h.UV index
In Harrison, the average daily maximum UV index in April is 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: The daily high UV index of 2 in April translates into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average April temperature?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April in Harrison?
What is the average length of the day in April?
When is the sunrise / sunset in April?
How many hours of sunshine does Harrison have in April?
How high is the UV index in April?
Average temperature in April
Harrison, ID
- Average high temperature in April: 52.9°F
The warmest month (with the highest average high temperature) is August (81.5°F).
The month with the lowest average high temperature is December (32.2°F).
- Average low temperature in April: 33.3°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is December (22.1°F).
Average pressure in April
Harrison, ID
- Average pressure in April: 29.99"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in April
Harrison, ID
- Average wind speed in April: 5.4mph
The windiest month (with the highest average wind speed) is April (5.4mph).
The calmest months (with the lowest average wind speed) are August, September and December (4.3mph).
Average humidity in April
Harrison, ID
- Average humidity in April: 74%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Harrison, ID
- Average rainfall in April: 2.09"
The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is July (0.43").
Average rainfall days in April
Harrison, ID
- Average rainfall days in April: 18.2 days
The month with the highest number of rainy days is March (18.6 days).
The month with the least rainy days is August (5.6 days).
Average snowfall in April
Harrison, ID
- Average snowfall in April: 1.65"
The month with the highest snowfall is January (15.2").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Harrison, ID
- Average snowfall days in April: 3.5 days
The month with the highest number of snowfall days is December (16.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Harrison, ID
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in April: 8h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in April
Harrison, ID
- Average sunshine days in April: 8.9 days
The month with the most sunshine days is July (22.8 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in April
Harrison, ID
- Average UV index in April: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in April
Harrison, ID
- Average cloud cover in April: 46
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 13).
Average visibility in April
Harrison, ID
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (4mi).
Harrison, Idaho, USA
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