Monthly weather forecast and climate
Port Graham, AK

Weather in January

January, like December, is another subzero cold winter month in Port Graham, Alaska, with temperature in the range of an average high of 29.8°F (-1.2°C) and an average low of 25.9°F (-3.4°C). January is the coldest month, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 25.9°F (-3.4°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Port Graham, Alaska, with average temperature varying between 26.6°F (-3°C) and 31.8°F (-0.1°C). In Port Graham, the average high-temperature is practically the same as in January - a still freezing cold 31.8°F (-0.1°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Port Graham, Alaska, with average temperature fluctuating between 32.4°F (0.2°C) and 27.1°F (-2.7°C). In Port Graham, the average high-temperature is almost the same as in February - a cold 32.4°F (0.2°C). Weather in March »

Weather in April

April, the same as March, is another cold spring month in Port Graham, Alaska, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 38.3°F (3.5°C). In April, the average high-temperature slightly increases, from a cold 32.4°F (0.2°C) in March, to a still wintry 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 average temperature fluctuating between 46°F (7.8°C) and 40.6°F (4.8°C). In Port Graham, the average high-temperature marginally rises, from a cold 38.3°F (3.5°C) in April, to a chilly 46°F (7.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a fresh month in Port Graham, Alaska, with average temperature ranging between max 52.2°F (11.2°C) and min 46.2°F (7.9°C). In Port Graham, the average high-temperature slightly increases, from a frosty 46°F (7.8°C) in May, to a fresh 52.2°F (11.2°C). Weather in June »

Weather in July

July is a moderate summer month in Port Graham, Alaska, with temperature in the range of an average low of 49.8°F (9.9°C) and an average high of 55.9°F (13.3°C). July and August, with an average high-temperature of 55.9°F (13.3°C), are the warmest months. Weather in July »

Weather in August

The last month of the summer, August, is another mild month in Port Graham, Alaska, with average temperature fluctuating between 50.4°F (10.2°C) and 55.9°F (13.3°C). The warmest months are July and August, with an average high-temperature of 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 average temperature varying between 46.9°F (8.3°C) and 51.4°F (10.8°C). In Port Graham, Alaska, the average high-temperature is almost the same as in August - a fresh 51.4°F (10.8°C). Weather in September »

Weather in October

October, the same as September, in Port Graham, Alaska, is another chilly autumn month, with average temperature fluctuating between 39.7°F (4.3°C) and 43.7°F (6.5°C). In October, the average high-temperature slightly decreases, from a cool 51.4°F (10.8°C) in September, to a frosty 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 temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 34.9°F (1.6°C). In Port Graham, the average high-temperature slightly decreases, 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

The first month of the winter, December, is also a wintry month in Port Graham, Alaska, with average temperature varying between 27.3°F (-2.6°C) and 32.2°F (0.1°C). In Port Graham, the average high-temperature is essentially the same as in November - a still cold 32.2°F (0.1°C). Weather in December »
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FAQ

What is the coldest month in Port Graham?

January is the coldest month in Port Graham, with an average high-temperature of 29.8°F (-1.2°C) and an average low-temperature of 25.9°F (-3.4°C).

How much does it rain in Port Graham?

Throughout the year, there are 179.8 rainfall days, and 36.57" (929mm) of precipitation is accumulated.

When does it snow in Port Graham?

Months with snowfall are January through May, September through December.

How many days does it snow in Port Graham?

Throughout the year, in Port Graham, there are 70.1 snowfall days, and 38.58" (980mm) of snow is accumulated.

When is the lowest UV index in Port Graham?

January through May, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Port Graham.

What is the snowiest month in Port Graham?

February is the month with the most snowfall in Port Graham. Snow falls for 13.3 days and accumulates 8.98" (228mm) of snow.

What is the least humid month in Port Graham?

May and November, with an average relative humidity of 78%, are the least humid months.

What is the driest month in Port Graham?

June is the month with the least rainfall in Port Graham, Alaska. Rain falls for 16.2 days and accumulates 1.38" (35mm) of precipitation.

When it does not snow in Port Graham?

In Port Graham, Alaska, snow does not fall in June through August.

When are the longest days in Port Graham?

June has the longest days of the year in Port Graham, with an average of 18.5h of daylight.

What is the warmest month in Port Graham?

Warmest months in Port Graham are July and August, with an average high-temperature of 55.9°F (13.3°C).

What are the most humid months in Port Graham?

July and August, with an average relative humidity of 84%, are most humid months in Port Graham, Alaska.

What month has the most sunshine in Port Graham?

The month with the most sunshine in Port Graham is July, with an average of 8.9h of sunshine.

When is the highest UV index in Port Graham?

The month with the highest UV index in Port Graham, Alaska, is July, with an average maximum UV index of 4.

What is the wettest month in Port Graham?

December is the month with the most rainfall in Port Graham, Alaska. Rain falls for 14.5 days and accumulates 5.2" (132mm) of precipitation.

What is the month with the shortest days in Port Graham?

With an average of 6.2h of daylight, December has the shortest days of the year.

What is the month with the least sunshine in Port Graham?

The month with the least sunshine is December, with an average of 2.5h of sunshine.

Average temperature
Port Graham, AK

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).

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Average pressure
Port Graham, AK

Average pressure - Port Graham, AK

The month with the highest atmospheric pressure is July (29.96").
The month with the lowest atmospheric pressure is December (29.6").

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Average wind speed
Port Graham, AK

Average wind speed - Port Graham, AK

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).

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Average humidity
Port Graham, AK

Average humidity - Port Graham, AK

Months with the highest relative humidity are July and August (84%).
Months with the lowest relative humidity are May and November (78%).

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Average rainfall
Port Graham, AK

Average rainfall - Port Graham, AK

The wettest month (with the highest rainfall) is December (5.2").
The driest month (with the least rainfall) is June (1.38").

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Average rainfall days
Port Graham, AK

Average rainfall days - Port Graham, AK

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).

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Average snowfall
Port Graham, AK

Average snowfall - Port Graham, AK

The month with the highest snowfall is February (8.98").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Port Graham, AK

Average snowfall days - Port Graham, AK

The month with the highest number of snowfall days is February (13.3 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Port Graham, AK

Average daylight / Average sunshine - Port Graham, AK

The month with the longest days is June (Average daylight: 18.5h).
The month with the shortest days is December (Average daylight: 6.2h).

The month with the most sunshine is July (Average sunshine: 8.9h).
The month with the least sunshine is December (Average sunshine: 2.5h).

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Average sunshine days
Port Graham, AK

Average sunshine days - Port Graham, AK

The month with the most sunshine days is July (13.7 days).
The month with the least sunshine days is December (7.5 days).

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Average UV index
Port Graham, AK

Average UV index - Port Graham, AK

The month with the highest UV index is July (UV index 4).
Months with the lowest UV index are January, February, March, April, May, October, November and December (UV index 2).

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Average visibility
Port Graham, AK

Average visibility - Port Graham, AK

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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