Monthly weather forecast and climate
Port Heiden, AK

Weather in January

January, the same as December, in Port Heiden, Alaska, is a freezing cold winter month, with average temperature ranging between max 28.9°F (-1.7°C) and min 23.4°F (-4.8°C). With an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 23.4°F (-4.8°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Port Heiden, Alaska, with temperature in the range of an average low of 25.5°F (-3.6°C) and an average high of 31.5°F (-0.3°C). In February, the average high-temperature is almost the same as in January - a still subzero cold 31.5°F (-0.3°C). Weather in February »

Weather in March

The first month of the spring, March, is still a freezing cold month in Port Heiden, Alaska, with average temperature varying between 23.4°F (-4.8°C) and 30.4°F (-0.9°C). In Port Heiden, the average high-temperature is almost the same as in February - a still freezing cold 30.4°F (-0.9°C). Weather in March »

Weather in April

April in Port Heiden, Alaska, is a cold spring month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 37.8°F (3.2°C). In Port Heiden, the average high-temperature in April marginally rises, from a subzero cold 30.4°F (-0.9°C) in March, to a wintry 37.8°F (3.2°C). Weather in April »

Weather in May

May, the last month of the spring, in Port Heiden, is a frosty month, with average temperature fluctuating between 46°F (7.8°C) and 37.9°F (3.3°C). In May, the average high-temperature slightly increases, from a wintry 37.8°F (3.2°C) in April, to a frosty 46°F (7.8°C). Weather in May »

Weather in June

The first month of the summer, June, is a fresh month in Port Heiden, Alaska, with average temperature varying between 44.1°F (6.7°C) and 52.2°F (11.2°C). In Port Heiden, the average high-temperature slightly increases, 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 is a moderate summer month in Port Heiden, Alaska, with temperature in the range of an average low of 48.2°F (9°C) and an average high of 55.9°F (13.3°C). In July, the average high-temperature is practically the same as in June - a moderate 55.9°F (13.3°C). Weather in July »

Weather in August

The last month of the summer, August, is another mild month in Port Heiden, Alaska, with average temperature varying between 49.1°F (9.5°C) and 56.8°F (13.8°C). With an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 49.1°F (9.5°C), August is the warmest month. Weather in August »

Weather in September

The first month of the autumn, September, is also a fresh month in Port Heiden, Alaska, with temperature in the range of an average high of 52.3°F (11.3°C) and an average low of 45.3°F (7.4°C). In September, the average high-temperature is relatively the same as in August - a fresh 52.3°F (11.3°C). Weather in September »

Weather in October

October, like September, is another chilly autumn month in Port Heiden, Alaska, with average temperature varying between 39.9°F (4.4°C) and 44.8°F (7.1°C). In October, the average high-temperature slightly decreases, from a cool 52.3°F (11.3°C) in September, to a frosty 44.8°F (7.1°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Port Heiden, Alaska, with temperature in the range of an average high of 36.7°F (2.6°C) and an average low of 31.8°F (-0.1°C). In Port Heiden, the average high-temperature slightly decreases, from a chilly 44.8°F (7.1°C) in October, to a wintry 36.7°F (2.6°C). Weather in November »

Weather in December

December, the first month of the winter, in Port Heiden, is still a cold month, with temperature in the range of an average high of 32.4°F (0.2°C) and an average low of 27.5°F (-2.5°C). In Port Heiden, the average high-temperature is practically the same as in November - a still wintry 32.4°F (0.2°C). Weather in December »
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FAQ

What is the coldest month in Port Heiden?

With an average high-temperature of 28.9°F (-1.7°C) and an average low-temperature of 23.4°F (-4.8°C), January is the coldest month.

What is the most humid month in Port Heiden?

The most humid month in Port Heiden, Alaska, is January, with an average relative humidity of 88%.

How much does it rain in Port Heiden?

In Port Heiden, during the entire year, the rain falls for 160.7 days and collects up to 16.57" (421mm) of precipitation.

When does it snow in Port Heiden?

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

How many days does it snow in Port Heiden?

Throughout the year, there are 83.4 snowfall days, and 23.94" (608mm) of snow is accumulated.

What are the months with the lowest UV index in Port Heiden?

Months with the lowest UV index in Port Heiden are February, March, November and December, with an average maximum UV index of 1.

What is the least humid month in Port Heiden?

May is the least humid month in Port Heiden, Alaska, with an average relative humidity of 78%.

What month has the most sunshine in Port Heiden?

With an average of 7.7h of sunshine, May has the most sunshine of the year in Port Heiden, Alaska.

When is the highest UV index in Port Heiden?

Months with the highest UV index are May through September, with an average maximum UV index of 3.

What is the driest month in Port Heiden?

June is the month with the least rainfall. Rain falls for 14 days and accumulates 0.83" (21mm) of precipitation.

When it does not snow in Port Heiden?

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

When are the longest days in Port Heiden?

The month with the longest days in Port Heiden is June, with an average of 17.8h of daylight.

What is the warmest month in Port Heiden?

The warmest month in Port Heiden is August, with an average high-temperature of 56.8°F (13.8°C) and an average low-temperature of 49.1°F (9.5°C).

What is the wettest month in Port Heiden?

October is the month with the most rainfall. Rain falls for 17.4 days and accumulates 2.17" (55mm) of precipitation.

What is the snowiest month in Port Heiden?

The month with the most snowfall is December when snow falls for 15.1 days and typically aggregates up to 5.71" (145mm) of snow.

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

The month with the shortest days is December, with an average of 6.8h of daylight.

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

With an average of 2.4h of sunshine, December has the least sunshine of the year in Port Heiden.

Average temperature
Port Heiden, AK

Average temperature - Port Heiden, AK

The warmest month (with the highest average high temperature) is August (56.8°F).
The month with the lowest average high temperature is January (28.9°F).

The month with the highest average low temperature is August (49.1°F).
The coldest months (with the lowest average low temperature) are January and March (23.4°F).

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Average pressure
Port Heiden, AK

Average pressure - Port Heiden, AK

The month with the highest atmospheric pressure is July (29.97").
The month with the lowest atmospheric pressure is December (29.54").

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Average wind speed
Port Heiden, AK

Average wind speed - Port Heiden, AK

The windiest month (with the highest average wind speed) is December (14.8mph).
The calmest month (with the lowest average wind speed) is July (9.1mph).

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Average rainfall
Port Heiden, AK

Average rainfall - Port Heiden, AK

The wettest month (with the highest rainfall) is October (2.17").
The driest month (with the least rainfall) is June (0.83").

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Average rainfall days
Port Heiden, AK

Average rainfall days - Port Heiden, AK

The month with the highest number of rainy days is September (19.2 days).
The month with the least rainy days is March (7.6 days).

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Average snowfall
Port Heiden, AK

Average snowfall - Port Heiden, AK

The month with the highest snowfall is December (5.71").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Port Heiden, AK

Average snowfall days - Port Heiden, AK

The month with the highest number of snowfall days is December (15.1 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Port Heiden, AK

Average daylight / Average sunshine - Port Heiden, AK

The month with the longest days is June (Average daylight: 17.8h).
The month with the shortest days is December (Average daylight: 6.8h).

The month with the most sunshine is May (Average sunshine: 7.7h).
The month with the least sunshine is December (Average sunshine: 2.4h).

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Average sunshine days
Port Heiden, AK

Average sunshine days - Port Heiden, AK

The month with the most sunshine days is May (13 days).
The month with the least sunshine days is November (6 days).

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Average UV index
Port Heiden, AK

Average UV index - Port Heiden, AK

Months with the highest UV index are May, June, July, August and September (UV index 3).
Months with the lowest UV index are February, March, November and December (UV index 1).

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Average visibility
Port Heiden, AK

Average visibility - Port Heiden, AK

Months with the highest visibility are April, May, June, July, August, September and October (6mi).
Months with the lowest visibility are January, February, March, November and December (5mi).

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