Climate and monthly weather forecastPort Graham, AK
Climate and monthly weather forecast
Weather in January
January, the same as December, in Port Graham, Alaska, is a freezing cold winter month, with temperature in the range of an average low of 25.9°F (-3.4°C) and an average high of 29.8°F (-1.2°C). Port Graham's temperature records reveal January as the coldest month, marked by average highs of 29.8°F (-1.2°C) and lows of 25.9°F (-3.4°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Port Graham, Alaska, with temperature in the range of an average high of 31.8°F (-0.1°C) and an average low of 26.6°F (-3°C). The arrival of February sees a recorded average high-temperature of a still subzero cold 31.8°F (-0.1°C), showing little divergence from the previous month's conditions. Weather in February »Weather in March
The first month of the spring, March, is a wintry month in Port Graham, Alaska, with an average temperature fluctuating between 27.1°F (-2.7°C) and 32.4°F (0.2°C). In the transition from February to March, Port Graham reports an average high-temperature of a cold 32.4°F (0.2°C), indicating a close resemblance to the prior month. Weather in March »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). 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). Weather in April »Weather in May
The last month of the spring, May, is a frosty month in Port Graham, Alaska, with an average temperature fluctuating between 40.6°F (4.8°C) and 46°F (7.8°C). May's arrival sees a mild rise in the average high-temperature, transitioning from April's icy 38.3°F (3.5°C) to a frosty 46°F (7.8°C). Weather in May »Weather in June
The first month of the summer, June, is a cool month in Port Graham, Alaska, with an average temperature fluctuating between 52.2°F (11.2°C) and 46.2°F (7.9°C). The average high-temperature mildly increases in June, edging from a frosty 46°F (7.8°C) in May to a cool 52.2°F (11.2°C). Weather in June »Weather in July
July in Port Graham, Alaska, is a mild summer month, with an average temperature fluctuating between 55.9°F (13.3°C) and 49.8°F (9.9°C). July and August bring Port Graham's highest average temperatures, reaching a high of 55.9°F (13.3°C). Weather in July »Weather in August
The last month of the summer, August, is also a moderate month in Port Graham, Alaska, with an average temperature ranging between min 50.4°F (10.2°C) and max 55.9°F (13.3°C). In Port Graham, the months of July and August register the highest average temperatures, peaking at 55.9°F (13.3°C). Weather in August »Weather in September
September, the first month of the autumn in Port Graham, is also a fresh month, with temperature in the range of an average high of 51.4°F (10.8°C) and an average low of 46.9°F (8.3°C). The transition into September shows a subtle variation to a fresh 51.4°F (10.8°C) from August's 55.9°F (13.3°C) in the average high-temperature. Weather in September »Weather in October
October, like September, is another chilly autumn month in Port Graham, Alaska, with temperature in the range of an average low of 39.7°F (4.3°C) and an average high of 43.7°F (6.5°C). During the shift to October, a minor reduction in average high-temperature is observed, shifting from a fresh 51.4°F (10.8°C) in September to a chilly 43.7°F (6.5°C). Weather in October »Weather in November
November, the last month of the autumn in Port Graham, is also a wintry month, with an average temperature varying between 34.9°F (1.6°C) and 30.7°F (-0.7°C). Port Graham records a mild change in average high-temperature during November, easing from a chilly 43.7°F (6.5°C) in October to a wintry 34.9°F (1.6°C). Weather in November »Weather in December
December, the first month of the winter in Port Graham, is still a cold month, with temperature in the range of an average high of 32.2°F (0.1°C) and an average low of 27.3°F (-2.6°C). Port Graham sees the arrival of December with an average high-temperature of a still cold 32.2°F (0.1°C), indicating a subtle variation from November. Weather in December »Updated: Aug 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
In Port Graham, the lowest temperatures are generally noted in January, averaging a high of 29.8°F (-1.2°C) and a low of 25.9°F (-3.4°C).
In Port Graham, during the entire year, the rain falls for 179.8 days and collects up to 36.57" (929mm) of precipitation.
January through May, September through December are months with snowfall.
Throughout the year, there are 70.1 snowfall days, and 38.58" (980mm) of snow is accumulated.
The months with the lowest UV index are January through May, October through December, with an average maximum UV index of 2.
The month with the most snowfall is February, when snow falls for 13.3 days and typically aggregates up to 8.98" (228mm) of snow.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from AKST to AKDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from AKDT to AKST.
May and November, with an average relative humidity of 78%, are the least humid months.
June is the month with the least rainfall. Rain falls for 16.2 days and accumulates 1.38" (35mm) of precipitation.
In Port Graham, Alaska, snow does not fall in June through August.
June has the longest days of the year, with an average of 18h and 30min of daylight.
The warmest period in Port Graham falls in July and August, when the average high-temperature reaches 55.9°F (13.3°C).
The months with the highest humidity are July and August, with an average relative humidity of 84%.
July has the most sunshine of the year, with an average of 8.9h of sunshine.
The month with the highest UV index is July, with an average maximum UV index of 4.
December is the month with the most rainfall. Rain falls for 14.5 days and accumulates 5.2" (132mm) of precipitation.
The month with the shortest days is December, with an average of 6h and 12min of daylight.
With an average of 2.5h of sunshine, December has the least sunshine of the year.
Average temperature
Port Graham, AK
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).
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
Port Graham, AK
- Average pressure in January:
29.62"Hg - Average pressure in February:
29.76"Hg - Average pressure in March:
29.72"Hg - Average pressure in April:
29.78"Hg - Average pressure in May:
29.91"Hg - Average pressure in June:
29.9"Hg
- Average pressure in July:
29.96"Hg - Average pressure in August:
29.85"Hg - Average pressure in September:
29.72"Hg - Average pressure in October:
29.65"Hg - Average pressure in November:
29.61"Hg - Average pressure in December:
29.6"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
Port Graham, AK
- Average wind speed in January:
12.1mph - Average wind speed in February:
11.9mph - Average wind speed in March:
10.9mph - Average wind speed in April:
8.6mph - Average wind speed in May:
7.4mph - Average wind speed in June:
6.2mph
- Average wind speed in July:
6.6mph - Average wind speed in August:
7.3mph - Average wind speed in September:
8.8mph - Average wind speed in October:
10.4mph - Average wind speed in November:
12.1mph - Average wind speed in December:
12.2mph
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
Port Graham, AK
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
Port Graham, AK
- Average rainfall in January:
2.87" - Average rainfall in February:
2.68" - Average rainfall in March:
2.2" - Average rainfall in April:
2.17" - Average rainfall in May:
2.2" - Average rainfall in June:
1.38"
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
Port Graham, AK
- Average rainfall days in January:
12.9 days - Average rainfall days in February:
9 days - Average rainfall days in March:
11.4 days - Average rainfall days in April:
14.8 days - Average rainfall days in May:
17.7 days - Average rainfall days in June:
16.2 days
- Average rainfall days in July:
15.7 days - Average rainfall days in August:
16.7 days - Average rainfall days in September:
18.8 days - Average rainfall days in October:
18.3 days - Average rainfall days in November:
13.8 days - Average rainfall days in December:
14.5 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
Port Graham, AK
- Average snowfall in January:
6.34" - Average snowfall in February:
8.98" - Average snowfall in March:
6.61" - Average snowfall in April:
3.7" - Average snowfall in May:
0.08" - Average snowfall in June:
0"
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
Port Graham, AK
- Average snowfall days in January:
12.3 days - Average snowfall days in February:
13.3 days - Average snowfall days in March:
12.7 days - Average snowfall days in April:
7.6 days - Average snowfall days in May:
0.6 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0.3 days - Average snowfall days in October:
1.9 days - Average snowfall days in November:
8.8 days - Average snowfall days in December:
12.6 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 / Average sunshine
Port Graham, AK
- Average daylight in January:
7h and 6min - Average daylight in February:
9h and 18min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 36min - Average daylight in May:
17h and 6min - Average daylight in June:
18h and 30min
- Average daylight in July:
17h and 42min - Average daylight in August:
15h and 24min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 6min - Average daylight in November:
7h and 42min - Average daylight in December:
6h and 12min
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 January:
3h and 0min - Average sunshine in February:
4h and 12min - Average sunshine in March:
5h and 30min - Average sunshine in April:
6h and 12min - Average sunshine in May:
8h and 24min - Average sunshine in June:
8h and 48min
- Average sunshine in July:
8h and 54min - Average sunshine in August:
7h and 54min - Average sunshine in September:
5h and 54min - Average sunshine in October:
4h and 48min - Average sunshine in November:
3h and 24min - Average sunshine in December:
2h and 30min
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
Port Graham, AK
- Average sunshine days in January:
9.3 days - Average sunshine days in February:
9.2 days - Average sunshine days in March:
11.8 days - Average sunshine days in April:
10.3 days - Average sunshine days in May:
12.1 days - Average sunshine days in June:
12.2 days
- Average sunshine days in July:
13.7 days - Average sunshine days in August:
13.5 days - Average sunshine days in September:
9.9 days - Average sunshine days in October:
9.7 days - Average sunshine days in November:
9.3 days - Average sunshine days in December:
7.5 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
Port Graham, AK
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
Port Graham, AK
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
Port Graham, AK
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).
