April weather forecastPort Graham, AK
April
Weather in April
April, like March, in Port Graham, Alaska, is an icy spring month, with an average temperature varying between 33.1°F (0.6°C) and 38.3°F (3.5°C).Temperature
As April arrives, a slight rise in the average high-temperature is observed, moving from an icy 32.4°F (0.2°C) in March to a still cold 38.3°F (3.5°C). Port Graham's April nights demonstrate minimal variation from the daytime temperatures, with an average of 33.1°F (0.6°C).Humidity
In April, the average relative humidity is 81%.Rainfall
In Port Graham, Alaska, in April, during 14.8 rainfall days, 2.17" (55mm) of precipitation is typically accumulated. In Port Graham, during the entire year, the rain falls for 179.8 days and collects up to 36.57" (929mm) of precipitation.Snowfall
January through May, September through December are months with snowfall. In Port Graham, during April, snow falls for 7.6 days and regularly aggregates up to 3.7" (94mm) of snow. Throughout the year, in Port Graham, there are 70.1 snowfall days, and 38.58" (980mm) of snow is accumulated.Daylight
In April, the average length of the day is 14h and 35min.On the first day of April, sunrise is at 7:30 am and sunset at 8:51 pm. On the last day of the month, sunrise is at 6:07 am and sunset at 10:00 pm AKDT.
Sunshine
In Port Graham, the average sunshine in April is 6.2h.UV index
The months with the lowest UV index are January through May, October through December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.Note: In April, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in April
Port Graham, AK
- Average high temperature in April: 38.3°F
The warmest months (with the highest average high temperature) are July and August (55.9°F).
The month with the lowest average high temperature is January (29.8°F).
- Average low temperature in April: 33.1°F
The month with the highest average low temperature is August (50.4°F).
The coldest month (with the lowest average low temperature) is January (25.9°F).
Average pressure in April
Port Graham, AK
- Average pressure in April: 29.78"Hg
The month with the highest atmospheric pressure is July (29.96"Hg).
The month with the lowest atmospheric pressure is December (29.6"Hg).
Average wind speed in April
Port Graham, AK
- Average wind speed in April: 8.6mph
The windiest month (with the highest average wind speed) is December (12.2mph).
The calmest month (with the lowest average wind speed) is June (6.2mph).
Average humidity in April
Port Graham, AK
- Average humidity in April: 81%
The months with the highest relative humidity are July and August (84%).
The months with the lowest relative humidity are May and November (78%).
Average rainfall in April
Port Graham, AK
- Average rainfall in April: 2.17"
The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").
Average rainfall days in April
Port Graham, AK
- Average rainfall days in April: 14.8 days
The month with the highest number of rainy days is September (18.8 days).
The month with the least rainy days is February (9 days).
Average snowfall in April
Port Graham, AK
- Average snowfall in April: 3.7"
The month with the highest snowfall is February (8.98").
The months with the least snowfall are June, July and August (0").
Average snowfall days in April
Port Graham, AK
- Average snowfall days in April: 7.6 days
The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in April /
Average sunshine in April
Port Graham, AK
- Average daylight in April: 14h and 36min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).
- Average sunshine in April: 6h and 12min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in April
Port Graham, AK
- Average sunshine days in April: 10.3 days
The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in April
Port Graham, AK
- Average UV index in April: 2
The month with the highest UV index is July (UV index 4).
The months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).
Average cloud cover in April
Port Graham, AK
- Average cloud cover in April: 58
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 51).
Average visibility in April
Port Graham, 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).





