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
Viola's weather in April shows a minor rise in the average high-temperature, moving slightly up from March's frosty 46.8°F (8.2°C) to a fresh 54.5°F (12.5°C). In April, the temperature in Viola drops to an average of 36°F (2.2°C) at night.Humidity
In April, the average relative humidity in Viola is 72%.Rainfall
In Viola, in April, during 18.1 rainfall days, 2.01" (51mm) of precipitation is typically accumulated. In Viola, during the entire year, the rain falls for 143.2 days and collects up to 20.51" (521mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Viola, Idaho, in April, during 4.1 snowfall days, 1.73" (44mm) of snow is typically accumulated. In Viola, during the entire year, snow falls for 60.2 days and aggregates up to 47.24" (1200mm) of snow.Daylight
In Viola, the average length of the day in April is 13h and 38min.On the first day of the month, sunrise is at 6:25 am and sunset at 7:18 pm. On the last day of April, sunrise is at 5:32 am and sunset at 7:57 pm PDT.
Sunshine
In April, the average sunshine is 9h.UV index
In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 3 during April leads to these instructions:
Exercise prevention - Protecting skin and eyes from harm is required. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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 in Viola?
How many days does it rain in April?
How much does it snow in April?
How many hours of daylight does Viola have in April?
When are sunrise and sunset in April?
How long on average sun shines in April?
What is the UV index intensity in April in Viola?
Average temperature in April
Viola, ID
- Average high temperature in April: 54.5°F
The warmest month (with the highest average high temperature) is August (83.7°F).
The month with the lowest average high temperature is December (34°F).
- Average low temperature in April: 36°F
The month with the highest average low temperature is August (58.1°F).
The coldest month (with the lowest average low temperature) is December (24.1°F).
Average pressure in April
Viola, ID
- Average pressure in April: 30"Hg
The month with the highest atmospheric pressure is January (30.2"Hg).
The month with the lowest atmospheric pressure is August (29.91"Hg).
Average wind speed in April
Viola, ID
- Average wind speed in April: 6.3mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are July, August and September (4.8mph).
Average humidity in April
Viola, ID
- Average humidity in April: 72%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (40%).
Average rainfall in April
Viola, ID
- Average rainfall in April: 2.01"
The wettest month (with the highest rainfall) is December (2.68").
The driest months (with the least rainfall) are July and August (0.47").
Average rainfall days in April
Viola, ID
- Average rainfall days in April: 18.1 days
The month with the highest number of rainy days is April (18.1 days).
The months with the least rainy days are July and August (5.9 days).
Average snowfall in April
Viola, ID
- Average snowfall in April: 1.73"
The month with the highest snowfall is January (12.56").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Viola, ID
- Average snowfall days in April: 4.1 days
The month with the highest number of snowfall days is December (14.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Viola, ID
- Average daylight in April: 13h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in April: 9h and 0min
The month with the most sunshine is August (Average sunshine: 12h and 0min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 30min).
Average sunshine days in April
Viola, ID
- Average sunshine days in April: 9.3 days
The month with the most sunshine days is July (23.3 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in April
Viola, ID
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in April
Viola, ID
- Average cloud cover in April: 41
The month with the most cloud cover is February (Cloud cover 54).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in April
Viola, 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 December (4mi).
Viola, Idaho, USA
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