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
April
Weather in April
Temperature
April's onset witnesses a shift in the average high-temperature, moving from a frosty 43°F (6.1°C) in March to a cool 53.6°F (12°C). Iona's nighttime temperature in April falls to an average of 34.3°F (1.3°C).Humidity
In Iona, the average relative humidity in April is 58%.Rainfall
In Iona, Idaho, during April, the rain falls for 9.5 days and regularly aggregates up to 0.63" (16mm) of precipitation. Throughout the year, there are 84.3 rainfall days, and 6.97" (177mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Iona, in April, snow falls for 3.3 days, with typically accumulated 0.91" (23mm) of snow. In Iona, during the entire year, snow falls for 54.4 days and aggregates up to 16.89" (429mm) of snow.Daylight
In April, the average length of the day is 13h and 28min.On the first day of the month, sunrise is at 7:07 am and sunset at 7:55 pm. On the last day of April, 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 Iona, Idaho, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 3 in April translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
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 is the sunrise / sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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
Iona, 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).