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 onset of April brings a rise in the average high-temperature, elevating from a wintry 32.9°F (0.5°C) in March to a still icy 42.4°F (5.8°C). During the April nights, an average temperature of 23.9°F (-4.5°C) is observed.Humidity
In April, the average relative humidity in Flat Rock is 80%.Rainfall
In April, in Flat Rock, Idaho, the rain falls for 14.4 days. Throughout April, 2.48" (63mm) of precipitation is accumulated. In Flat Rock, during the entire year, the rain falls for 106.1 days and collects up to 20.83" (529mm) of precipitation.Snowfall
January through July, September through December are months with snowfall. In April, it is snowing for 16.6 days. Throughout April, 12.64" (321mm) of snow is accumulated. In Flat Rock, Idaho, during the entire year, snow falls for 138.1 days and aggregates up to 107.64" (2734mm) of snow.Daylight
The average length of the day in April is 13h and 31min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:53 pm. On the last day of April, in Flat Rock, sunrise is at 6:15 am and sunset at 8:29 pm MDT.
Sunshine
In April, the average sunshine is 8.7h.UV index
The average daily maximum UV index in April in Flat Rock is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index, 2 during April, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
How cold does it get in Flat Rock in April?
What is the average humidity in April in Flat Rock?
How many days does it rain in April in Flat Rock?
How much does it snow in Flat Rock in April?
What is the average length of the day in April in Flat Rock?
When are sunrise and sunset in April in Flat Rock?
How long on average sun shines in April in Flat Rock?
How high is the UV index in April in Flat Rock?
Average temperature in April
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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
Flat Rock, 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).
Flat Rock, Idaho, USA
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