Climate and monthly weather forecast
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 a freezing cold winter month, with temperature in the range of an average high of 30.7°F (-0.7°C) and an average low of 26.2°F (-3.2°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 an average temperature varying between 31.1°F (-0.5°C) and 25.9°F (-3.4°C). In February, the average high-temperature is relatively 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 cold month in Gustavus, Alaska, with an average temperature fluctuating between 26.2°F (-3.2°C) and 32.5°F (0.3°C). In Gustavus, Alaska, the average high-temperature in March is almost 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 another cold spring month in Gustavus, Alaska, with an average temperature ranging between max 39.4°F (4.1°C) and min 33.3°F (0.7°C). In Gustavus, the average high-temperature in April marginally rises from a cold 32.5°F (0.3°C) in March to a still wintry 39.4°F (4.1°C). Weather in April »

Weather in May

May, the last month of the spring in Gustavus, is a frosty month, with an average temperature fluctuating between 39.9°F (4.4°C) and 48°F (8.9°C). In May, the average high-temperature slightly increases from a cold 39.4°F (4.1°C) in April to a chilly 48°F (8.9°C). Weather in May »

Weather in June

June, the first month of the summer in Gustavus, is a cool month, with an average temperature ranging between min 45.1°F (7.3°C) and max 53.2°F (11.8°C). In Gustavus, the average high-temperature in June is relatively 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 an average temperature fluctuating between 49.5°F (9.7°C) and 57.2°F (14°C). 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. Weather in July »

Weather in August

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

Weather in September

The first month of the autumn, September, is still a cool month in Gustavus, Alaska, with an average temperature varying between 51.1°F (10.6°C) and 45°F (7.2°C). In Gustavus, the average high-temperature in September 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, like September, in Gustavus, Alaska, is a wintry autumn month, with an average temperature ranging between max 42.3°F (5.7°C) and min 38.5°F (3.6°C). In October, the average high-temperature slightly decreases 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

The last month of the autumn, November, is also a wintry month in Gustavus, Alaska, with an average temperature varying between 31.1°F (-0.5°C) and 35.1°F (1.7°C). In November, the average high-temperature marginally drops from 42.3°F (5.7°C) in October to a still wintry 35.1°F (1.7°C). Weather in November »

Weather in December

December, the first month of the winter in Gustavus, is still a freezing cold month, with an average temperature ranging between max 31.8°F (-0.1°C) and min 27.3°F (-2.6°C). In December, the average high-temperature is relatively 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 in Gustavus, 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.

What is the snowiest month in Gustavus?

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

How much does it snow in Gustavus?

Throughout the year, in Gustavus, there are 60.8 snowfall days, and 53.78" (1366mm) of snow is accumulated.

What is the month with the least sunshine in Gustavus?

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

When is Daylight Saving Time (DST) in Gustavus?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Gustavus, and the time zone changes from AKST to AKDT. Daylight Saving Time ends Sunday, November 5. 2023, at 2:00 am, and the time zone reverts from AKDT to AKST.

What is the driest month in Gustavus?

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

When it does not snow in Gustavus?

May through September are months without snowfall.

When are the longest days in Gustavus?

With an average of 18h and 11min 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?

The warmest month is July, with an average high-temperature of 57.2°F (14°C) and an average low-temperature of 49.5°F (9.7°C).

When is the highest UV index in Gustavus?

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

What is the most humid month in Gustavus?

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

What is the wettest month in Gustavus?

The wettest months in Gustavus are October and November, with an average 4.21" (107mm) of rainfall.

What is the least humid month in Gustavus?

With an average relative humidity of 84%, November is the least humid month.

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.

What is the month with the shortest days in Gustavus?

December has the shortest days of the year, with an average of 6h and 29min 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"Hg).
The month with the lowest atmospheric pressure is November (29.77"Hg).

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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").
The 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).
The 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: 18h and 11min).
The month with the shortest days is December (Average daylight: 6h and 29min).

The month with the most sunshine is June (Average sunshine: 7h and 42min).
The months with the least sunshine are January and December (Average sunshine: 2h and 54min).

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Average sunshine days
Gustavus, AK

Average sunshine days - Gustavus, AK

The 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

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

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