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
A subtle rise in the average high-temperature is observed in Boise, Idaho, during April, adjusting from a chilly 48.9°F (9.4°C) in March to a refreshing 56.7°F (13.7°C). Boise, during the month of April, experiences an average low-temperature of 38.1°F (3.4°C).Humidity
The average relative humidity in April is 57%.Rainfall
In Boise, in April, during 13.9 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, in Boise, there are 116.8 rainfall days, and 15.08" (383mm) of precipitation is accumulated.Snowfall
Months with snowfall in Boise are January through April, November and December. April is the last month it regularly snows. During 0.4 snowfall days, in April, Boise aggregates 0.08" (2mm) of snow. Throughout the year, in Boise, there are 31.4 snowfall days, and 21.3" (541mm) of snow is accumulated.Daylight
In Boise, Idaho, the average length of the day in April is 13h and 28min.On the first day of the month, sunrise is at 7:24 am and sunset at 8:12 pm. On the last day of April, sunrise is at 6:37 am and sunset at 8:46 pm MDT.
Sunshine
The average sunshine in April is 9.5h.UV index
In Boise, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 3 in April transforms into this advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Around midday, solar radiation is most harmful; hence, exposure should be limited. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Boise in April?
What is the average humidity in April in Boise?
How many days does it rain in April in Boise?
What is the last month it snows in Boise?
How many hours of daylight does Boise have in April?
When is the sunrise / sunset in April in Boise?
How many hours of sunshine does Boise have in April?
What is the UV index intensity in April in Boise?
Average temperature in April
Boise, ID
- Average high temperature in April: 56.7°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is December (34.7°F).
- Average low temperature in April: 38.1°F
The month with the highest average low temperature is August (61.3°F).
The coldest month (with the lowest average low temperature) is December (23.2°F).
Average pressure in April
Boise, ID
- Average pressure in April: 29.98"Hg
The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in April
Boise, ID
- Average wind speed in April: 7.1mph
The windiest month (with the highest average wind speed) is April (7.1mph).
The calmest month (with the lowest average wind speed) is January (5.2mph).
Average humidity in April
Boise, ID
- Average humidity in April: 57%
The month with the highest relative humidity is January (80%).
The month with the lowest relative humidity is July (30%).
Average rainfall in April
Boise, ID
- Average rainfall in April: 1.3"
The wettest month (with the highest rainfall) is March (2.2").
The driest month (with the least rainfall) is July (0.2").
Average rainfall days in April
Boise, ID
- Average rainfall days in April: 13.9 days
The month with the highest number of rainy days is March (16.2 days).
The month with the least rainy days is July (4.5 days).
Average snowfall in April
Boise, ID
- Average snowfall in April: 0.08"
The month with the highest snowfall is December (6.65").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in April
Boise, ID
- Average snowfall days in April: 0.4 days
The month with the highest number of snowfall days is December (9.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in April /
Average sunshine in April
Boise, 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: 9h and 3min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).
Average sunshine days in April
Boise, ID
- Average sunshine days in April: 14.3 days
The month with the most sunshine days is July (23.6 days).
The month with the least sunshine days is March (12.1 days).
Average UV index in April
Boise, ID
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in April
Boise, ID
- Average cloud cover in April: 30
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is July (Cloud cover 8).
Average visibility in April
Boise, 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).
Boise, Idaho, USA
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