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
The start of April brings a subtle rise in the average high-temperature, moving from a frosty 48°F (8.9°C) in March to a moderate 55.6°F (13.1°C). Declo observes an average nighttime temperature of 37.4°F (3°C) during April.Humidity
In April, the average relative humidity is 52%.Rainfall
In April, the rain falls for 14 days. Throughout April, 1.02" (26mm) of precipitation is accumulated. Throughout the year, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In April, it is snowing for 2.4 days. Throughout April, 1.14" (29mm) of snow is accumulated. Throughout the year, there are 50.9 snowfall days, and 24.57" (624mm) of snow is accumulated.Daylight
In Declo, the average length of the day in April is 13h and 25min.On the first day of April in Declo, sunrise is at 7:15 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:33 pm MDT.
Sunshine
In April, the average sunshine is 9.9h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 3 in April transforms into this advice:
Act with care - The need to guard against sun damage is communicated. To protect against the Sun's most potent rays, avoid direct exposure around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in April?
What is the average humidity in April?
How many days does it rain in April?
How many days does it snow in April?
How many hours of daylight does Declo 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?
Average temperature in April
Declo, ID
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in April: 37.4°F
The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure in April
Declo, ID
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Declo, ID
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).
Average humidity in April
Declo, ID
- Average humidity in April: 52%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in April
Declo, ID
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Declo, ID
- Average rainfall days in April: 14 days
The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).
Average snowfall in April
Declo, ID
- Average snowfall in April: 1.14"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Declo, ID
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Declo, ID
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in April: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in April
Declo, ID
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).
Average UV index in April
Declo, ID
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Declo, ID
- Average cloud cover in April: 29
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in April
Declo, ID
- Average visibility in April: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Declo, Idaho, USA
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