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
April's arrival brings a temperature shift, moving from an icy 32.9°F (0.5°C) in March to a still wintry 42.4°F (5.8°C). Throughout April, Eighteenmile anticipates an average low-temperature of 23.9°F (-4.5°C).Humidity
In April, the average relative humidity in Eighteenmile, Idaho, is 80%.Rainfall
In April, in Eighteenmile, Idaho, the rain falls for 14.4 days. Throughout April, 2.48" (63mm) of precipitation is accumulated. Throughout the year, there are 106.1 rainfall days, and 20.83" (529mm) of precipitation is accumulated.Snowfall
Months with snowfall in Eighteenmile are January through July, September through December. In Eighteenmile, Idaho, during April, snow falls for 16.6 days and regularly aggregates up to 12.64" (321mm) of snow. Throughout the year, in Eighteenmile, there are 138.1 snowfall days, and 107.64" (2734mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 30min.On the first day of the month, sunrise is at 7:06 am and sunset at 7:55 pm. On the last day of April, in Eighteenmile, sunrise is at 6:18 am and sunset at 8:30 pm MDT.
Sunshine
In April, the average sunshine is 8.7h.UV index
The average daily maximum UV index in April in Eighteenmile is 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: An average UV index of 2 in April transforms into this advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
How cold is it in Eighteenmile in April?
What is the average humidity in April in Eighteenmile?
How much does it rain in Eighteenmile in April?
How many days does it snow in April in Eighteenmile?
What is the average length of the day in April in Eighteenmile?
When is the sunrise / sunset in April in Eighteenmile?
How long on average sun shines in April in Eighteenmile?
What is the UV index intensity in April in Eighteenmile?
Average temperature in April
Eighteenmile, ID
- Average high temperature in April: 42.4°F
The warmest month (with the highest average high temperature) is July (77.4°F).
The month with the lowest average high temperature is December (22.3°F).
- Average low temperature in April: 23.9°F
The month with the highest average low temperature is August (46.6°F).
The coldest months (with the lowest average low temperature) are January and December (6.8°F).
Average pressure in April
Eighteenmile, ID
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.26"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in April
Eighteenmile, ID
- Average wind speed in April: 5.8mph
The windiest month (with the highest average wind speed) is June (6.3mph).
The calmest month (with the lowest average wind speed) is January (4.4mph).
Average humidity in April
Eighteenmile, ID
- Average humidity in April: 80%
The months with the highest relative humidity are January and February (94%).
The month with the lowest relative humidity is August (47%).
Average rainfall in April
Eighteenmile, ID
- Average rainfall in April: 2.48"
The wettest month (with the highest rainfall) is February (2.64").
The driest month (with the least rainfall) is July (0.47").
Average rainfall days in April
Eighteenmile, ID
- Average rainfall days in April: 14.4 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in April
Eighteenmile, ID
- Average snowfall in April: 12.64"
The month with the highest snowfall is January (19.84").
The month with the least snowfall is August (0").
Average snowfall days in April
Eighteenmile, ID
- Average snowfall days in April: 16.6 days
The month with the highest number of snowfall days is December (23 days).
The month with the least snowfall days is August (0 days).
Average daylight in April /
Average sunshine in April
Eighteenmile, 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: 8h and 4min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in April
Eighteenmile, ID
- Average sunshine days in April: 6.7 days
The month with the most sunshine days is July (21.2 days).
The month with the least sunshine days is February (5.9 days).
Average UV index in April
Eighteenmile, 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, November and December (UV index 1).
Average cloud cover in April
Eighteenmile, ID
- Average cloud cover in April: 44
The month with the most cloud cover is February (Cloud cover 67).
The month with the least cloud cover is July (Cloud cover 13).
Average visibility in April
Eighteenmile, ID
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February and December (3mi).
Eighteenmile, Idaho, USA
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