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 March transitions into April, a change in temperatures is observed, with average highs moving from a freezing cold 30.6°F (-0.8°C) to a cold 42.1°F (5.6°C). Throughout April, Sterling encounters an average temperature drop to a freezing cold 29.3°F (-1.5°C).Humidity
The average relative humidity in April is 80%.Rainfall
In Sterling, during April, the rain falls for 12.1 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 135.9 rainfall days, and 12.4" (315mm) of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. In Sterling, in April, snow falls for 6.3 days, with typically accumulated 1.57" (40mm) of snow. Throughout the year, there are 65.1 snowfall days, and 23.27" (591mm) of snow is accumulated.Daylight
In Sterling, the average length of the day in April is 14h and 43min.On the first day of April, sunrise is at 7:23 am and sunset at 8:49 pm. On the last day of the month, sunrise is at 5:57 am and sunset at 10:02 pm AKDT.
Sunshine
The average sunshine in April is 7.2h.UV index
The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in April leads to these guidelines:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
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 many days does it rain in April?
How much does it snow in April?
What is the average length of the day in April?
When are sunrise and sunset in April?
How many hours of sunshine does Sterling have in April?
How high is the UV index in April?
Average temperature in April
Sterling, AK
- Average high temperature in April: 42.1°F
The warmest month (with the highest average high temperature) is July (66.2°F).
The month with the lowest average high temperature is January (21.9°F).
- Average low temperature in April: 29.3°F
The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (14.4°F).
Average pressure in April
Sterling, AK
- Average pressure in April: 29.81"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The months with the lowest atmospheric pressure are November and December (29.64"Hg).
Average wind speed in April
Sterling, AK
- Average wind speed in April: 5mph
The windiest months (with the highest average wind speed) are November and December (6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in April
Sterling, AK
- Average humidity in April: 80%
The months with the highest relative humidity are January and February (90%).
The month with the lowest relative humidity is May (64%).
Average rainfall in April
Sterling, AK
- Average rainfall in April: 0.75"
The wettest month (with the highest rainfall) is October (1.77").
The driest month (with the least rainfall) is May (0.55").
Average rainfall days in April
Sterling, AK
- Average rainfall days in April: 12.1 days
The month with the highest number of rainy days is September (17.3 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in April
Sterling, AK
- Average snowfall in April: 1.57"
The month with the highest snowfall is February (5.31").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Sterling, AK
- Average snowfall days in April: 6.3 days
The month with the highest number of snowfall days is December (13.1 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Sterling, AK
- Average daylight in April: 14h and 4min
The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).
- Average sunshine in April: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in April
Sterling, AK
- Average sunshine days in April: 12.8 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is September (11 days).
Average UV index in April
Sterling, AK
- Average UV index in April: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are February and November (UV index 1).
Average cloud cover in April
Sterling, AK
- Average cloud cover in April: 51
The month with the most cloud cover is December (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 45).
Average visibility in April
Sterling, AK
- Average visibility in April: 5mi
The months with the highest visibility are May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February and March (4mi).
Sterling, Alaska, USA
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