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
April's onset brings a minor rise in the average high-temperature, moving from a frosty 48°F (8.9°C) in March to a mild 55.6°F (13.1°C). Throughout April, Heyburn records an average temperature of 37.4°F (3°C) at night.Humidity
The average relative humidity in April is 52%.Rainfall
In Heyburn, in April, it is raining for 14 days, with typically 1.02" (26mm) of accumulated precipitation. Throughout the year, in Heyburn, Idaho, there are 105.2 rainfall days, and 10.63" (270mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Heyburn. In Heyburn, in April, during 2.4 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 50.9 snowfall days, and 24.57" (624mm) of snow is accumulated.Daylight
In April, the average length of the day is 13h and 25min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:01 pm. On the last day of April, in Heyburn, sunrise is at 6:29 am and sunset at 8:34 pm MDT.
Sunshine
The average sunshine in April in Heyburn is 9.9h.UV index
In Heyburn, Idaho, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 3 during April translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Heyburn in April?
What is the average humidity in April in Heyburn?
How many days does it rain in April in Heyburn?
How many days does it snow in April in Heyburn?
How many hours of daylight does Heyburn have in April?
When are sunrise and sunset in April in Heyburn?
How long on average sun shines in April in Heyburn?
What is the UV index intensity in April in Heyburn?
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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