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 shift from March to April brings an increase in the average high-temperature, moving from a wintry 40.1°F (4.5°C) to a cool 51.4°F (10.8°C). An average low-temperature of 32.7°F (0.4°C) is observed during the April nights.Humidity
In April, the average relative humidity is 63%.Rainfall
The wettest months in Herbert, Idaho, are April and May, with an average 1.26" (32mm) of rainfall.Snowfall
January through May, September through December are months with snowfall. In Herbert, during April, snow falls for 5.6 days and regularly aggregates up to 1.85" (47mm) of snow. Throughout the year, there are 84.8 snowfall days, and 31.85" (809mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 28min.On the first day of April, sunrise is at 7:06 am and sunset at 7:54 pm. On the last day of the month, sunrise is at 6:18 am and sunset at 8:28 pm MDT.
Sunshine
In April, the average sunshine is 10.1h.UV index
The average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum daily UV index of 3 during April morphs into the following directions:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are April temperatures?
What is the average humidity in April?
What is the rainiest month?
How much does it rain in April?
How much does it snow in April?
How many hours of daylight does Herbert have in April?
What time are sunrise and sunset in April in Herbert?
How many hours of sunshine does Herbert have in April?
How high is the UV index in April?
Average temperature in April
Herbert, ID
- Average high temperature in April: 51.4°F
The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (26.6°F).
- Average low temperature in April: 32.7°F
The month with the highest average low temperature is August (52.9°F).
The coldest month (with the lowest average low temperature) is January (12.7°F).
Average pressure in April
Herbert, ID
- Average pressure in April: 29.97"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in April
Herbert, ID
- Average wind speed in April: 7.3mph
The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is January (4.3mph).
Average humidity in April
Herbert, ID
- Average humidity in April: 63%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (38%).
Average rainfall in April
Herbert, ID
- Average rainfall in April: 1.26"
The wettest months (with the highest rainfall) are April and May (1.26").
The driest month (with the least rainfall) is July (0.39").
Average rainfall days in April
Herbert, ID
- Average rainfall days in April: 14.9 days
The month with the highest number of rainy days is April (14.9 days).
The month with the least rainy days is July (6.3 days).
Average snowfall in April
Herbert, ID
- Average snowfall in April: 1.85"
The month with the highest snowfall is January (8.9").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Herbert, ID
- Average snowfall days in April: 5.6 days
The months with the highest number of snowfall days are January and February (18.1 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in April /
Average sunshine in April
Herbert, 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: 10h and 1min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in April
Herbert, ID
- Average sunshine days in April: 10.9 days
The month with the most sunshine days is July (20.6 days).
The month with the least sunshine days is February (8.8 days).
Average UV index in April
Herbert, ID
- Average UV index in April: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in April
Herbert, ID
- Average cloud cover in April: 32
The months with the most cloud cover are January and February (Cloud cover 53).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in April
Herbert, ID
- Average visibility in April: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and December (4mi).
Herbert, Idaho, USA
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