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
As April sets, the average high-temperature shows a slight increase, moving up from a frosty 48°F (8.9°C) in March to a moderate 55.6°F (13.1°C). The nighttime temperature, during April, averages of 37.4°F (3°C).Humidity
The average relative humidity in April is 52%.Rainfall
In Heyburn, during April, the rain falls for 14 days and regularly aggregates up to 1.02" (26mm) of precipitation. In Heyburn, during the entire year, the rain falls for 105.2 days and collects up to 10.63" (270mm) of precipitation.Snowfall
Months with snowfall in Heyburn are January through May, September through December. In Heyburn, during April, snow falls for 2.4 days and regularly aggregates up to 1.14" (29mm) of snow. In Heyburn, during the entire year, snow falls for 50.9 days and aggregates up to 24.57" (624mm) of snow.Daylight
In April, the average length of the day in Heyburn is 13h and 25min.On the first day of April, sunrise is at 7:15 am and sunset at 8:01 pm. On the last day of the month, sunrise is at 6:29 am and sunset at 8:34 pm MDT.
Sunshine
In Heyburn, the average sunshine in April is 9.9h.UV index
The average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 3 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature 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 Heyburn have in April?
What time are sunrise and sunset in April?
How long on average sun shines in April?
How high is the UV index in April?
Average temperature in April
Heyburn, ID
- Average high temperature in April: 55.6°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is December (32.5°F).
- Average low temperature in April: 37.4°F
The months with the highest average low temperature are July and August (60.8°F).
The coldest month (with the lowest average low temperature) is December (21.6°F).
Average pressure in April
Heyburn, ID
- Average pressure in April: 29.95"Hg
The month with the highest atmospheric pressure is January (30.29"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in April
Heyburn, ID
- Average wind speed in April: 9.8mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is January (7.1mph).
Average humidity in April
Heyburn, ID
- Average humidity in April: 52%
The month with the highest relative humidity is January (80%).
The months with the lowest relative humidity are July and August (30%).
Average rainfall in April
Heyburn, ID
- Average rainfall in April: 1.02"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is July (0.28").
Average rainfall days in April
Heyburn, ID
- Average rainfall days in April: 14 days
The months with the highest number of rainy days are March and April (14 days).
The months with the least rainy days are July and August (5.2 days).
Average snowfall in April
Heyburn, ID
- Average snowfall in April: 1.14"
The month with the highest snowfall is December (6.54").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Heyburn, ID
- Average snowfall days in April: 2.4 days
The month with the highest number of snowfall days is December (13 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Heyburn, 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: 9h and 5min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in April
Heyburn, ID
- Average sunshine days in April: 13.9 days
The month with the most sunshine days is July (22.6 days).
The month with the least sunshine days is March (12 days).
Average UV index in April
Heyburn, ID
- Average UV index in April: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in April
Heyburn, ID
- Average cloud cover in April: 29
The month with the most cloud cover is December (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 11).
Average visibility in April
Heyburn, 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).
Heyburn, Idaho, USA
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