Monthly weather forecast and climate
Old Harbor, AK

Weather in January

January, like December, in Old Harbor, Alaska, is a wintry winter month, with temperature in the range of an average low of 30.7°F (-0.7°C) and an average high of 35.4°F (1.9°C). With an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 30.7°F (-0.7°C), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is also a wintry month in Old Harbor, Alaska, with average temperature ranging between max 36.3°F (2.4°C) and min 31.3°F (-0.4°C). In February, the average high-temperature is relatively the same as in January - a still wintry 36.3°F (2.4°C). Weather in February »

Weather in March

The first month of the spring, March, is still a cold month in Old Harbor, Alaska, with average temperature varying between 30.6°F (-0.8°C) and 35.8°F (2.1°C). In Old Harbor, the average high-temperature is relatively the same as in February - a still wintry 35.8°F (2.1°C). Weather in March »

Weather in April

April, like March, in Old Harbor, Alaska, is a wintry spring month, with average temperature ranging between min 35.8°F (2.1°C) and max 39.7°F (4.3°C). In Old Harbor, the average high-temperature is practically the same as in March - a still cold 39.7°F (4.3°C). Weather in April »

Weather in May

May, the last month of the spring, in Old Harbor, is a chilly month, with average temperature varying between 41.5°F (5.3°C) and 45.3°F (7.4°C). In Old Harbor, Alaska, the average high-temperature in May marginally rises, from a cold 39.7°F (4.3°C) in April, to a frosty 45.3°F (7.4°C). Weather in May »

Weather in June

June, the first month of the summer, in Old Harbor, is a cool month, with average temperature fluctuating between 51.4°F (10.8°C) and 46°F (7.8°C). In June, the average high-temperature slightly increases, from a chilly 45.3°F (7.4°C) in May, to a cool 51.4°F (10.8°C). Weather in June »

Weather in July

July is a moderate summer month in Old Harbor, Alaska, with average temperature ranging between min 50.5°F (10.3°C) and max 56.5°F (13.6°C). In Old Harbor, Alaska, the average high-temperature in July is almost the same as in June - a mild 56.5°F (13.6°C). Weather in July »

Weather in August

August, the last month of the summer, in Old Harbor, is also a moderate month, with temperature in the range of an average high of 57.6°F (14.2°C) and an average low of 50.7°F (10.4°C). The warmest month is August, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 50.7°F (10.4°C). Weather in August »

Weather in September

September, the first month of the autumn, in Old Harbor, is also a fresh month, with temperature in the range of an average low of 47.7°F (8.7°C) and an average high of 53.1°F (11.7°C). In September, the average high-temperature is essentially the same as in August - a fresh 53.1°F (11.7°C). Weather in September »

Weather in October

October, the same as September, in Old Harbor, Alaska, is a frosty autumn month, with temperature in the range of an average high of 46.2°F (7.9°C) and an average low of 41.9°F (5.5°C). In October, the average high-temperature marginally drops, from a fresh 53.1°F (11.7°C) in September, to a chilly 46.2°F (7.9°C). Weather in October »

Weather in November

November, the last month of the autumn, in Old Harbor, is another cold month, with average temperature fluctuating between 34.9°F (1.6°C) and 39.9°F (4.4°C). In Old Harbor, the average high-temperature marginally drops, from a frosty 46.2°F (7.9°C) in October, to a wintry 39.9°F (4.4°C). Weather in November »

Weather in December

December, the first month of the winter, in Old Harbor, is still a cold month, with average temperature ranging between max 36.9°F (2.7°C) and min 32°F (0°C). In December, the average high-temperature is relatively the same as in November - a still wintry 36.9°F (2.7°C). Weather in December »
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FAQ

What is the coldest month in Old Harbor?

With an average high-temperature of 35.4°F (1.9°C) and an average low-temperature of 30.7°F (-0.7°C), January is the coldest month in Old Harbor.

How much does it rain in Old Harbor?

Throughout the year, there are 171.2 rainfall days, and 37.32" (948mm) of precipitation is accumulated.

When does it snow in Old Harbor?

January through May, September through December are months with snowfall in Old Harbor, Alaska.

How much does it snow in Old Harbor?

In Old Harbor, during the entire year, snow falls for 35.1 days, and aggregates up to 13.74" (349mm) of snow.

What is the month with the least sunshine in Old Harbor?

January and December, with an average of 2.6h of sunshine, are months with the least sunshine.

When is the lowest UV index in Old Harbor?

The month with the lowest UV index in Old Harbor is January, with an average maximum UV index of 1.

What are the least humid months in Old Harbor?

March and November, with an average relative humidity of 80%, are the least humid months.

When does it snow the most in Old Harbor?

The month with the most snowfall in Old Harbor is March when snow falls for 8.5 days and typically aggregates up to 3.15" (80mm) of snow.

When it does not snow in Old Harbor?

In Old Harbor snow does not fall in June through August.

When are the longest days in Old Harbor?

The month with the longest days in Old Harbor, Alaska, is June, with an average of 17.8h of daylight.

What is the month with the highest UV index in Old Harbor?

Months with the highest UV index in Old Harbor, Alaska, are June through September, with an average maximum UV index of 3.

What is the most humid month in Old Harbor?

July is the most humid month, with an average relative humidity of 86%.

What is the driest month in Old Harbor?

July is the month with the least rainfall in Old Harbor. Rain falls for 14.1 days and accumulates 1.85" (47mm) of precipitation.

What month has the most sunshine in Old Harbor?

With an average of 8.3h of sunshine, July has the most sunshine of the year in Old Harbor.

What is the warmest month in Old Harbor?

August is the warmest month, with an average high-temperature of 57.6°F (14.2°C) and an average low-temperature of 50.7°F (10.4°C).

What is the wettest month in Old Harbor?

The wettest months in Old Harbor, Alaska, are October and November, with an average 4.53" (115mm) of rainfall.

What is the month with the shortest days in Old Harbor?

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

Average temperature
Old Harbor, AK

Average temperature - Old Harbor, AK

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).

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).

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Average pressure
Old Harbor, AK

Average pressure - Old Harbor, AK

The month with the highest atmospheric pressure is July (29.98").
The month with the lowest atmospheric pressure is December (29.55").

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Average wind speed
Old Harbor, AK

Average wind speed - Old Harbor, AK

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).

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Average humidity
Old Harbor, AK

Average humidity - Old Harbor, AK

The month with the highest relative humidity is July (86%).
Months with the lowest relative humidity are March and November (80%).

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Average rainfall
Old Harbor, AK

Average rainfall - Old Harbor, AK

The wettest months (with the highest rainfall) are October and November (4.53").
The driest month (with the least rainfall) is July (1.85").

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Average rainfall days
Old Harbor, AK

Average rainfall days - Old Harbor, AK

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).

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Average snowfall
Old Harbor, AK

Average snowfall - Old Harbor, AK

The month with the highest snowfall is March (3.15").
Months with the least snowfall are June, July and August (0").

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Average snowfall days
Old Harbor, AK

Average snowfall days - Old Harbor, AK

The month with the highest number of snowfall days is March (8.5 days).
Months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Old Harbor, AK

Average daylight / Average sunshine - Old Harbor, 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 July (Average sunshine: 8.3h).
Months with the least sunshine are January and December (Average sunshine: 2.6).

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Average sunshine days
Old Harbor, AK

Average sunshine days - Old Harbor, AK

The month with the most sunshine days is July (14.7 days).
The month with the least sunshine days is April (10.7 days).

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Average visibility
Old Harbor, AK

Average visibility - Old Harbor, 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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