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 coincides with a marginal rise in the average high-temperature, moving from March's icy 40.5°F (4.7°C) to a frosty 48.2°F (9°C). Smelterville experiences a mean temperature of 30.6°F (-0.8°C) during April nights.Humidity
In April, the average relative humidity in Smelterville is 78%.Rainfall
In Smelterville, during April, the rain falls for 17.5 days and regularly aggregates up to 1.97" (50mm) of precipitation. Throughout the year, in Smelterville, Idaho, there are 140.1 rainfall days, and 22.2" (564mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, September through December. In Smelterville, during April, snow falls for 3.6 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, there are 57.8 snowfall days, and 45.31" (1151mm) of snow is accumulated.Daylight
In Smelterville, the average length of the day in April is 13h and 40min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:15 pm. On the last day of April, in Smelterville, sunrise is at 5:27 am and sunset at 7:55 pm PDT.
Sunshine
In Smelterville, the average sunshine in April is 8.1h.UV index
The average daily maximum UV index in April in Smelterville, Idaho, is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 during April translates into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
What is the temperature in April in Smelterville?
What is the average humidity in April in Smelterville?
How many days does it rain in April in Smelterville?
How much does it snow in Smelterville in April?
How many hours of daylight does Smelterville have in April?
When are sunrise and sunset in April in Smelterville?
How many hours of sunshine does Smelterville have in April?
What is the UV index intensity in April in Smelterville?
Average temperature in April
Smelterville, ID
- Average high temperature in April: 48.2°F
The warmest month (with the highest average high temperature) is August (78.4°F).
The month with the lowest average high temperature is December (30.4°F).
- Average low temperature in April: 30.6°F
The month with the highest average low temperature is August (49.8°F).
The coldest month (with the lowest average low temperature) is December (19.8°F).
Average pressure in April
Smelterville, ID
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.19"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).
Average wind speed in April
Smelterville, ID
- Average wind speed in April: 4.8mph
The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are September and December (4mph).
Average humidity in April
Smelterville, ID
- Average humidity in April: 78%
The month with the highest relative humidity is January (92%).
The month with the lowest relative humidity is August (52%).
Average rainfall in April
Smelterville, ID
- Average rainfall in April: 1.97"
The wettest month (with the highest rainfall) is January (2.8").
The driest month (with the least rainfall) is July (0.51").
Average rainfall days in April
Smelterville, ID
- Average rainfall days in April: 17.5 days
The month with the highest number of rainy days is March (17.8 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in April
Smelterville, ID
- Average snowfall in April: 1.38"
The month with the highest snowfall is January (12.36").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Smelterville, ID
- Average snowfall days in April: 3.6 days
The month with the highest number of snowfall days is December (13.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Smelterville, 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 1min
The month with the most sunshine is August (Average sunshine: 11h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 36min).
Average sunshine days in April
Smelterville, ID
- Average sunshine days in April: 9.5 days
The month with the most sunshine days is July (22.9 days).
The month with the least sunshine days is March (8.7 days).
Average UV index in April
Smelterville, 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
Smelterville, ID
- Average cloud cover in April: 48
The months with the most cloud cover are January, February and December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 14).
Average visibility in April
Smelterville, ID
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August and September (6mi).
The months with the lowest visibility are January, February and December (3mi).
Smelterville, Idaho, USA
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