April weather forecastOld Harbor, AK
April
Weather in April
April, like March, in Old Harbor, Alaska, is an icy spring month, with an average temperature ranging between max 39.7°F (4.3°C) and min 35.8°F (2.1°C).Temperature
Entering April, Old Harbor's average high-temperature reads a still cold 39.7°F (4.3°C), indicating a close resemblance to the previous month's climate. An average low-temperature of 35.8°F (2.1°C), slightly less than the daytime peak, marks the month of April.Humidity
The average relative humidity in April is 82%.Rainfall
In Old Harbor, during April, the rain falls for 15.1 days and regularly aggregates up to 2.68" (68mm) of precipitation. In Old Harbor, Alaska, during the entire year, the rain falls for 171.2 days and collects up to 37.32" (948mm) of precipitation.Snowfall
Months with snowfall are January through May, September through December. In April, it is snowing for 4.7 days. Throughout April, 1.34" (34mm) of snow is accumulated. In Old Harbor, during the entire year, snow falls for 35.1 days and aggregates up to 13.74" (349mm) of snow.Daylight
The average length of the day in April is 14h and 23min.On the first day of the month, sunrise is at 7:39 am and sunset at 8:54 pm. On the last day of April, sunrise is at 6:23 am and sunset at 9:56 pm AKDT.
Sunshine
In April, the average sunshine is 5.3h.UV index
In Old Harbor, the average daily maximum UV index in April is 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In April, the maximum UV index of 2 suggests these recommendations:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Old Harbor, AK
- Average high temperature in April: 39.7°F
The warmest month (with the highest average high temperature) is August (57.6°F).
The month with the lowest average high temperature is January (35.4°F).
- Average low temperature in April: 35.8°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is March (30.6°F).
Average pressure in April
Old Harbor, AK
- Average pressure in April: 29.75"Hg
The month with the highest atmospheric pressure is July (29.98"Hg).
The month with the lowest atmospheric pressure is December (29.55"Hg).
Average wind speed in April
Old Harbor, AK
- Average wind speed in April: 11.9mph
The windiest month (with the highest average wind speed) is December (14.2mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in April
Old Harbor, AK
- Average humidity in April: 82%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are March and November (80%).
Average rainfall in April
Old Harbor, AK
- Average rainfall in April: 2.68"
The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").
Average rainfall days in April
Old Harbor, AK
- Average rainfall days in April: 15.1 days
The month with the highest number of rainy days is September (17.6 days).
The month with the least rainy days is March (10.8 days).
Average snowfall in April
Old Harbor, AK
- Average snowfall in April: 1.34"
The month with the highest snowfall is March (3.15").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Old Harbor, AK
- Average snowfall days in April: 4.7 days
The month with the highest number of snowfall days is March (8.5 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Old Harbor, AK
- Average daylight in April: 14h and 24min
The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).
- Average sunshine in April: 5h and 18min
The month with the most sunshine is July (Average sunshine: 8h and 18min).
The months with the least sunshine are January and December (Average sunshine: 2h and 36min).
Average sunshine days in April
Old Harbor, AK
- Average sunshine days in April: 10.7 days
The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).
Average UV index in April
Old Harbor, AK
- Average UV index in April: 2
The months with the highest UV index are June, July, August and September (UV index 3).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in April
Old Harbor, AK
- Average cloud cover in April: 62
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is September (Cloud cover 52).
Average visibility in April
Old Harbor, AK
- Average visibility in April: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
