Monthly weather forecast and climate
Gustavus, AK

Brown sand and water on a section of the Gustavus Beach, Alaska, and snow-peaked mountains in the far view
Brown sand and water on a section of the Gustavus Beach, Alaska, and snow-peaked mountains in the far view

Weather in January

January, the same as December, in Gustavus, Alaska, is another subzero cold winter month, with average temperature ranging between min 26.2°F (-3.2°C) and max 30.7°F (-0.7°C). The coldest month is January, with an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 26.2°F (-3.2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Gustavus, Alaska, with average temperature ranging between min 25.9°F (-3.4°C) and max 31.1°F (-0.5°C). In Gustavus, the average high-temperature is practically the same as in January - a still freezing cold 31.1°F (-0.5°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Gustavus, Alaska, with average temperature fluctuating between 32.5°F (0.3°C) and 26.2°F (-3.2°C). In March, the average high-temperature is relatively the same as in February - a cold 32.5°F (0.3°C). Weather in March »

Weather in April

April, the same as March, is a wintry spring month in Gustavus, Alaska, with average temperature ranging between min 33.3°F (0.7°C) and max 39.4°F (4.1°C). In Gustavus, the average high-temperature in April slightly increases, from 32.5°F (0.3°C) in March, to a still wintry 39.4°F (4.1°C). Weather in April »

Weather in May

The last month of the spring, May, is a chilly month in Gustavus, Alaska, with temperature in the range of an average low of 39.9°F (4.4°C) and an average high of 48°F (8.9°C). In May, the average high-temperature marginally rises, from a wintry 39.4°F (4.1°C) in April, to a frosty 48°F (8.9°C). Weather in May »

Weather in June

The first month of the summer, June, is a cool month in Gustavus, Alaska, with average temperature ranging between max 53.2°F (11.8°C) and min 45.1°F (7.3°C). In Gustavus, the average high-temperature is practically the same as in May - a fresh 53.2°F (11.8°C). Weather in June »

Weather in July

July in Gustavus, Alaska, is a moderate summer month, with average temperature ranging between min 49.5°F (9.7°C) and max 57.2°F (14°C). July is the warmest month, with an average high-temperature of 57.2°F (14°C) and an average low-temperature of 49.5°F (9.7°C). Weather in July »

Weather in August

The last month of the summer, August, is another mild month in Gustavus, Alaska, with average temperature fluctuating between 48.9°F (9.4°C) and 56.5°F (13.6°C). In Gustavus, the average high-temperature is almost the same as in July - a still moderate 56.5°F (13.6°C). Weather in August »

Weather in September

September, the first month of the autumn, in Gustavus, is still a cool month, with average temperature fluctuating between 51.1°F (10.6°C) and 45°F (7.2°C). In Gustavus, Alaska, the average high-temperature slightly decreases, from a mild 56.5°F (13.6°C) in August, to a fresh 51.1°F (10.6°C). Weather in September »

Weather in October

October, the same as September, is a wintry autumn month in Gustavus, Alaska, with temperature in the range of an average high of 42.3°F (5.7°C) and an average low of 38.5°F (3.6°C). In Gustavus, the average high-temperature marginally drops, from a cool 51.1°F (10.6°C) in September, to a wintry 42.3°F (5.7°C). Weather in October »

Weather in November

November, the last month of the autumn, in Gustavus, is also a wintry month, with average temperature fluctuating between 31.1°F (-0.5°C) and 35.1°F (1.7°C). In November, the average high-temperature slightly decreases, from a wintry 42.3°F (5.7°C) in October, to a still cold 35.1°F (1.7°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Gustavus, Alaska, with average temperature fluctuating between 31.8°F (-0.1°C) and 27.3°F (-2.6°C). In Gustavus, the average high-temperature is essentially the same as in November - a freezing cold 31.8°F (-0.1°C). Weather in December »
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FAQ

What is the coldest month in Gustavus?

January is the coldest month, with an average high-temperature of 30.7°F (-0.7°C) and an average low-temperature of 26.2°F (-3.2°C).

How much does it rain in Gustavus?

Throughout the year, there are 182.7 rainfall days, and 37.4" (950mm) of precipitation is accumulated.

When does it snow in Gustavus?

January through April, October through December are months with snowfall in Gustavus, Alaska.

How much does it snow in Gustavus?

In Gustavus, Alaska, during the entire year, snow falls for 60.8 days, and aggregates up to 53.78" (1366mm) of snow.

When does it snow the most in Gustavus?

January is the month with the most snowfall in Gustavus. Snow falls for 10.9 days and accumulates 11.22" (285mm) of snow.

What is the month with the least sunshine in Gustavus?

Months with the least sunshine in Gustavus are January and December, with an average of 2.9h of sunshine.

What is the driest month in Gustavus?

May is the month with the least rainfall. Rain falls for 15.3 days and accumulates 1.61" (41mm) of precipitation.

When it does not snow in Gustavus?

In Gustavus snow does not fall in May through September.

When are the longest days in Gustavus?

With an average of 18.2h of daylight, June has the longest days of the year in Gustavus, Alaska.

What month has the most sunshine in Gustavus?

June has the most sunshine of the year in Gustavus, with an average of 7.7h of sunshine.

What is the warmest month in Gustavus?

With an average high-temperature of 57.2°F (14°C) and an average low-temperature of 49.5°F (9.7°C), July is the warmest month in Gustavus.

When is the highest UV index in Gustavus?

July is the month with the highest UV index in Gustavus, with an average maximum UV index of 4.

What is the most humid month in Gustavus?

August is the most humid month in Gustavus, with an average relative humidity of 90%.

What is the wettest month in Gustavus?

Months with the most rainfall in Gustavus, Alaska, are October and November, with an average 4.21" (107mm) of precipitation.

What is the least humid month in Gustavus?

November is the least humid month in Gustavus, Alaska, with an average relative humidity of 84%.

When is the lowest UV index in Gustavus?

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Gustavus.

What is the month with the shortest days in Gustavus?

The month with the shortest days in Gustavus is December, with an average of 6.5h of daylight.

Average temperature
Gustavus, AK

Average temperature - Gustavus, AK

The warmest month (with the highest average high temperature) is July (57.2°F).
The month with the lowest average high temperature is January (30.7°F).

The month with the highest average low temperature is July (49.5°F).
The coldest month (with the lowest average low temperature) is February (25.9°F).

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Average pressure
Gustavus, AK

Average pressure - Gustavus, AK

The month with the highest atmospheric pressure is July (30.03").
The month with the lowest atmospheric pressure is November (29.77").

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Average wind speed
Gustavus, AK

Average wind speed - Gustavus, AK

The windiest month (with the highest average wind speed) is January (7mph).
The calmest months (with the lowest average wind speed) are June and July (3.7mph).

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Average rainfall
Gustavus, AK

Average rainfall - Gustavus, AK

The wettest months (with the highest rainfall) are October and November (4.21").
The driest month (with the least rainfall) is May (1.61").

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Average rainfall days
Gustavus, AK

Average rainfall days - Gustavus, AK

The month with the highest number of rainy days is June (18.9 days).
The month with the least rainy days is February (8.2 days).

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Average snowfall
Gustavus, AK

Average snowfall - Gustavus, AK

The month with the highest snowfall is January (11.22").
Months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days
Gustavus, AK

Average snowfall days - Gustavus, AK

The month with the highest number of snowfall days is March (13.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

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Average daylight / Average sunshine
Gustavus, AK

Average daylight / Average sunshine - Gustavus, AK

The month with the longest days is June (Average daylight: 18.2h).
The month with the shortest days is December (Average daylight: 6.5h).

The month with the most sunshine is June (Average sunshine: 7.7h).
Months with the least sunshine are January and December (Average sunshine: 2.9).

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Average sunshine days
Gustavus, AK

Average sunshine days - Gustavus, AK

Months with the most sunshine days are February and May (12.5 days).
The month with the least sunshine days is June (7.7 days).

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Average visibility
Gustavus, AK

Average visibility - Gustavus, AK

Months with the highest visibility are January, February, March, April, May, June, September, October, November and December (5mi).
Months with the lowest visibility are July and August (4mi).

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