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
In Herman, the average high-temperature in April slightly rises, from 33.8°F (1°C) in March, to a still icy 42.1°F (5.6°C). Herman registers a consistent average low-temperature of 22.8°F (-5.1°C) during April.Humidity
The average relative humidity in April is 83%.Rainfall
In Herman, in April, during 16.6 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. 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 Herman, during April, snow falls for 14.8 days and regularly aggregates up to 11.77" (299mm) of snow. In Herman, during the entire year, snow falls for 126.6 days and aggregates up to 110.28" (2801mm) of snow.Daylight
In April, the average length of the day is 13h and 26min.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 6:19 am and sunset at 8:26 pm MDT.
Sunshine
The average sunshine in April is 8.2h.UV index
The average daily maximum UV index in April is 2. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In April, the maximum UV index of 2 translates into these guidelines:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in April?
What is the average humidity in April?
How much does it rain in April?
How many days does it snow in April?
How many hours of daylight does Herman have in April?
What time are sunrise and sunset in April?
How many hours of sunshine does Herman have in April?
What is the UV index reading in April?
Average temperature in April
Herman, 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
Herman, 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
Herman, 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
Herman, 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
Herman, 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
Herman, 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
Herman, 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
Herman, 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
Herman, ID
- Average daylight in April: 13h and 2min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- 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
Herman, 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
Herman, 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
Herman, 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
Herman, 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).
Herman, Idaho, USA
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