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 commencement of April sees a minor shift in the average high-temperature, moving from an icy 33.8°F (1°C) in March to a still wintry 42.1°F (5.6°C). During the month of April, the temperature in Swan Valley generally drops to a low average of 22.8°F (-5.1°C).Humidity
The average relative humidity in April in Swan Valley is 83%.Rainfall
In Swan Valley, in April, it is raining for 16.6 days, with typically 2.83" (72mm) of accumulated precipitation. Throughout the year, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
Months with snowfall in Swan Valley are January through June, September through December. In Swan Valley, during April, snow falls for 14.8 days and regularly aggregates up to 11.77" (299mm) of snow. Throughout the year, there are 126.6 snowfall days, and 110.28" (2801mm) of snow is accumulated.Daylight
In Swan Valley, the average length of the day in April is 13h and 28min.On the first day of April, sunrise is at 7:05 am and sunset at 7:52 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:26 pm MDT.
Sunshine
The average sunshine in April in Swan Valley is 8.2h.UV index
In Swan Valley, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: An average UV index of 2 in April transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Frequently asked questions
How cold is April in Swan Valley?
What is the average humidity in April in Swan Valley?
How many days does it rain in April in Swan Valley?
How many days does it snow in April in Swan Valley?
How many hours of daylight does Swan Valley have in April?
When are sunrise and sunset in April in Swan Valley?
How long on average sun shines in April in Swan Valley?
What is the UV index reading in April in Swan Valley?
Average temperature in April
Swan Valley, ID
- Average high temperature in April: 42.1°F
The warmest month (with the highest average high temperature) is July (77.5°F).
The month with the lowest average high temperature is December (24.3°F).
- Average low temperature in April: 22.8°F
The months with the highest average low temperature are July and August (45.3°F).
The coldest month (with the lowest average low temperature) is January (7.3°F).
Average pressure in April
Swan Valley, ID
- Average pressure in April: 29.96"Hg
The month with the highest atmospheric pressure is January (30.28"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Swan Valley, ID
- Average wind speed in April: 5mph
The windiest month (with the highest average wind speed) is June (5.7mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in April
Swan Valley, ID
- Average humidity in April: 83%
The month with the highest relative humidity is February (94%).
The month with the lowest relative humidity is August (46%).
Average rainfall in April
Swan Valley, ID
- Average rainfall in April: 2.83"
The wettest month (with the highest rainfall) is February (2.91").
The driest month (with the least rainfall) is July (0.91").
Average rainfall days in April
Swan Valley, ID
- Average rainfall days in April: 16.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is January (4.6 days).
Average snowfall in April
Swan Valley, ID
- Average snowfall in April: 11.77"
The month with the highest snowfall is February (22.91").
The months with the least snowfall are July and August (0").
Average snowfall days in April
Swan Valley, ID
- Average snowfall days in April: 14.8 days
The months with the highest number of snowfall days are February and December (22.3 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Swan Valley, 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: 8h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 0min).
Average sunshine days in April
Swan Valley, ID
- Average sunshine days in April: 5.3 days
The month with the most sunshine days is September (16.2 days).
The month with the least sunshine days is April (5.3 days).
Average UV index in April
Swan Valley, ID
- Average UV index in April: 2
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).
Average cloud cover in April
Swan Valley, ID
- Average cloud cover in April: 47
The month with the most cloud cover is February (Cloud cover 67).
The months with the least cloud cover are July and August (Cloud cover 13).
Average visibility in April
Swan Valley, ID
- Average visibility in April: 4mi
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).
Swan Valley, Idaho, USA
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