Climate and monthly weather forecast
Saint Mary's, AK

Weather in January

January, like December, in Saint Mary's, Alaska, is another frigid cold winter month, with temperature in the range of an average low of 2.3°F (-16.5°C) and an average high of 11.3°F (-11.5°C). January is the coldest month, with an average high-temperature of 11.3°F (-11.5°C) and an average low-temperature of 2.3°F (-16.5°C). Weather in January »

Weather in February

February, the last month of the winter in Saint Mary's, is a freezing cold month, with an average temperature varying between 5.4°F (-14.8°C) and 15.8°F (-9°C). In February, the average high-temperature is practically the same as in January - a freezing cold 15.8°F (-9°C). Weather in February »

Weather in March

March, the first month of the spring in Saint Mary's, is still a freezing cold month, with temperature in the range of an average low of 5.7°F (-14.6°C) and an average high of 18°F (-7.8°C). In March, the average high-temperature is almost the same as in February - a still freezing cold 18°F (-7.8°C). Weather in March »

Weather in April

April, the same as March, in Saint Mary's, Alaska, is another subzero cold spring month, with an average temperature ranging between max 31.6°F (-0.2°C) and min 20.5°F (-6.4°C). In Saint Mary's, Alaska, the average high-temperature in April rises from a freezing cold 18°F (-7.8°C) in March to a still subzero cold 31.6°F (-0.2°C). Weather in April »

Weather in May

May, the last month of the spring in Saint Mary's, is a chilly month, with an average temperature ranging between min 35.2°F (1.8°C) and max 48.9°F (9.4°C). In Saint Mary's, the average high-temperature in May significantly increases from a subzero cold 31.6°F (-0.2°C) in April to a frosty 48.9°F (9.4°C). Weather in May »

Weather in June

June, the first month of the summer in Saint Mary's, is a comfortable month, with temperature in the range of an average low of 45.1°F (7.3°C) and an average high of 61.2°F (16.2°C). In Saint Mary's, the average high-temperature in June increases from a frosty 48.9°F (9.4°C) in May to a comfortable 61.2°F (16.2°C). Weather in June »

Weather in July

July, the same as June, is another enjoyable summer month in Saint Mary's, Alaska, with temperature in the range of an average low of 47.5°F (8.6°C) and an average high of 61.5°F (16.4°C). The warmest month is July, with an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 47.5°F (8.6°C). Weather in July »

Weather in August

August, the last month of the summer in Saint Mary's, is another mild month, with an average temperature fluctuating between 46.4°F (8°C) and 59°F (15°C). In Saint Mary's, the average high-temperature in August is almost the same as in July - a moderate 59°F (15°C). Weather in August »

Weather in September

September, the first month of the autumn in Saint Mary's, is also a fresh month, with an average temperature ranging between max 51.1°F (10.6°C) and min 40.1°F (4.5°C). In Saint Mary's, the average high-temperature in September marginally drops from a mild 59°F (15°C) in August to a fresh 51.1°F (10.6°C). Weather in September »

Weather in October

October, the same as September, is another cold autumn month in Saint Mary's, Alaska, with an average temperature fluctuating between 31.1°F (-0.5°C) and 37.9°F (3.3°C). In Saint Mary's, Alaska, the average high-temperature in October drops from a cool 51.1°F (10.6°C) in September to a wintry 37.9°F (3.3°C). Weather in October »

Weather in November

November, the last month of the autumn in Saint Mary's, is also a subzero cold month, with an average temperature varying between 21.6°F (-5.8°C) and 14.9°F (-9.5°C). In Saint Mary's, the average high-temperature in November plummets from a wintry 37.9°F (3.3°C) in October to a subzero cold 21.6°F (-5.8°C). Weather in November »

Weather in December

The first month of the winter, December, is also a subzero cold month in Saint Mary's, Alaska, with an average temperature varying between 5.9°F (-14.5°C) and 14.7°F (-9.6°C). In December, the average high-temperature slightly decreases from 21.6°F (-5.8°C) in November to a still subzero cold 14.7°F (-9.6°C). Weather in December »
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FAQ

What is the coldest month in Saint Mary's?

The coldest month is January, with an average high-temperature of 11.3°F (-11.5°C) and an average low-temperature of 2.3°F (-16.5°C).

What are the most humid months in Saint Mary's?

January through March and December, with an average relative humidity of 91%, are most humid months in Saint Mary's.

What is the driest month in Saint Mary's?

January and June are months with the least rain in Saint Mary's when the rain falls for 2.4 days and typically aggregates up to 0.87" (22mm) of rain.

How many days does it rain in Saint Mary's?

Throughout the year, in Saint Mary's, there are 104.5 rainfall days, and 15.75" (400mm) of precipitation is accumulated.

When does it snow in Saint Mary's?

January through May, September through December are months with snowfall in Saint Mary's.

How many days does it snow in Saint Mary's?

In Saint Mary's, Alaska, during the entire year, snow falls for 71.4 days and aggregates up to 22.72" (577mm) of snow.

What is the snowiest month in Saint Mary's?

The month with the most snowfall is February, when snow falls for 11.4 days and typically aggregates up to 5.28" (134mm) of snow.

When is Daylight Saving Time (DST) in Saint Mary's?

On Sunday, March 12. 2023, at 2:00 am, Daylight Saving Time starts in Saint Mary's, Alaska, 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 month with the lowest UV index in Saint Mary's?

March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Saint Mary's.

What month has the most sunshine in Saint Mary's?

May has the most sunshine of the year in Saint Mary's, Alaska, with an average of 7.9h of sunshine.

What is the month with the highest UV index in Saint Mary's?

May through August, with an average maximum UV index of 3, are months with the highest UV index.

What is the least humid month in Saint Mary's?

The least humid month in Saint Mary's is June, with an average relative humidity of 66%.

When it does not snow in Saint Mary's?

June through August are months without snowfall in Saint Mary's.

When are the longest days in Saint Mary's?

With an average of 19h and 36min of daylight, June has the longest days of the year in Saint Mary's.

What is the warmest month in Saint Mary's?

The warmest month is July, with an average high-temperature of 61.5°F (16.4°C) and an average low-temperature of 47.5°F (8.6°C).

What is the rainiest month in Saint Mary's?

August is the month with the most rainfall. Rain falls for 17.8 days and accumulates 2.13" (54mm) of precipitation.

What is the month with the shortest days in Saint Mary's?

The month with the shortest days is December, with an average of 5h and 19min of daylight.

What is the month with the least sunshine in Saint Mary's?

The month with the least sunshine in Saint Mary's, Alaska, is December, with an average of 2.6h of sunshine.

Average temperature
Saint Mary's, AK

Average temperature - Saint Mary

The warmest month (with the highest average high temperature) is July (61.5°F).
The month with the lowest average high temperature is January (11.3°F).

The month with the highest average low temperature is July (47.5°F).
The coldest month (with the lowest average low temperature) is January (2.3°F).

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Average pressure
Saint Mary's, AK

Average pressure - Saint Mary

The month with the highest atmospheric pressure is July (29.91"Hg).
The months with the lowest atmospheric pressure are October and December (29.67"Hg).

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Average wind speed
Saint Mary's, AK

Average wind speed - Saint Mary

The windiest month (with the highest average wind speed) is February (11.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).

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Average humidity
Saint Mary's, AK

Average humidity - Saint Mary

The months with the highest relative humidity are January, February, March and December (91%).
The month with the lowest relative humidity is June (66%).

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Average rainfall
Saint Mary's, AK

Average rainfall - Saint Mary

The wettest month (with the highest rainfall) is August (2.13").
The driest months (with the least rainfall) are January and June (0.87").

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Average rainfall days
Saint Mary's, AK

Average rainfall days - Saint Mary

The month with the highest number of rainy days is August (17.8 days).
The months with the least rainy days are January and February (2.4 days).

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Average snowfall
Saint Mary's, AK

Average snowfall - Saint Mary

The month with the highest snowfall is February (5.28").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Saint Mary's, AK

Average snowfall days - Saint Mary

The month with the highest number of snowfall days is February (11.4 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Saint Mary's, AK

Average daylight / Average sunshine - Saint Mary

The month with the longest days is June (Average daylight: 19h and 36min).
The month with the shortest days is December (Average daylight: 5h and 19min).

The month with the most sunshine is May (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 2h and 36min).

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Average sunshine days
Saint Mary's, AK

Average sunshine days - Saint Mary

The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (10.9 days).

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Average UV index
Saint Mary's, AK

Average UV index - Saint Mary

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

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Average visibility
Saint Mary's, AK

Average visibility - Saint Mary

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

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