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 arrival of April brings a soft temperature shift, with the average high-temperature nudging from a wintry 33.8°F (1°C) in March to a still cold 42.1°F (5.6°C). In the month of April, Irwin records a consistent average low-temperature of 22.8°F (-5.1°C).Humidity
In Irwin, the average relative humidity in April is 83%.Rainfall
In Irwin, during April, the rain falls for 16.6 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 127 rainfall days, and 24.29" (617mm) of precipitation is accumulated.Snowfall
January through June, September through December are months with snowfall. In April, it is snowing for 14.8 days. Throughout April, 11.77" (299mm) of snow is accumulated. Throughout the year, there are 126.6 snowfall days, and 110.28" (2801mm) of snow is accumulated.Daylight
The average length of the day in April is 13h and 27min.On the first day of the month, sunrise is at 7:05 am and sunset at 7:52 pm. On the last day of April, in Irwin, sunrise is at 6:18 am and sunset at 8:26 pm MDT.
Sunshine
In Irwin, the average sunshine in April is 8.2h.UV index
In April, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk 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:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. Around midday, solar radiation is most harmful; hence, exposure should be limited. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold during April?
What is the average humidity in April?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Irwin have in April?
When are sunrise and sunset in April?
How many hours of sunshine does Irwin have in April?
How high is the UV index in April?
Average temperature in April
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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
Irwin, 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).
Irwin, Idaho, USA
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