Climate and monthly weather forecast
Augusta, MT

Weather in January

January, like December, is another subzero cold winter month in Augusta, Montana, with an average temperature ranging between min 18°F (-7.8°C) and max 30.4°F (-0.9°C). In Augusta, the average high-temperature in January is practically the same as in December - a still subzero cold 30.4°F (-0.9°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Augusta, Montana, with temperature in the range of an average low of 16.3°F (-8.7°C) and an average high of 30.2°F (-1°C). In February, the average high-temperature is relatively the same as in January - a still freezing cold 30.2°F (-1°C). Weather in February »

Weather in March

March, the first month of the spring in Augusta, is a cold month, with an average temperature varying between 40.3°F (4.6°C) and 25.5°F (-3.6°C). In Augusta, the average high-temperature in March rises from a freezing cold 30.2°F (-1°C) in February to a wintry 40.3°F (4.6°C). Weather in March »

Weather in April

April in Augusta, Montana, is a chilly spring month, with an average temperature fluctuating between 49.6°F (9.8°C) and 33.6°F (0.9°C). In Augusta, the average high-temperature in April increases from a cold 40.3°F (4.6°C) in March to a chilly 49.6°F (9.8°C). Weather in April »

Weather in May

May, the last month of the spring in Augusta, is a mild month, with temperature in the range of an average low of 41.7°F (5.4°C) and an average high of 60.4°F (15.8°C). In May, the average high-temperature increases from a chilly 49.6°F (9.8°C) in April to a mild 60.4°F (15.8°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Augusta, Montana, with an average temperature ranging between min 48°F (8.9°C) and max 69.1°F (20.6°C). In June, the average high-temperature slightly increases from a moderate 60.4°F (15.8°C) in May to a pleasant 69.1°F (20.6°C). Weather in June »

Weather in July

July in Augusta, Montana, is a moderately hot summer month, with an average temperature ranging between min 54.5°F (12.5°C) and max 79.7°F (26.5°C). With an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.5°F (12.5°C), July is the warmest month. Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Augusta, Montana, with temperature in the range of an average high of 79°F (26.1°C) and an average low of 55.9°F (13.3°C). In Augusta, the average high-temperature in August is practically the same as in July - a still warm 79°F (26.1°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a pleasant month in Augusta, Montana, with an average temperature fluctuating between 68.2°F (20.1°C) and 48.6°F (9.2°C). In Augusta, the average high-temperature in September decreases from a warm 79°F (26.1°C) in August to a pleasant 68.2°F (20.1°C). Weather in September »

Weather in October

October, like September, in Augusta, Montana, is another fresh autumn month, with an average temperature fluctuating between 52.3°F (11.3°C) and 35.8°F (2.1°C). In Augusta, the average high-temperature in October declines considerably from a pleasant 68.2°F (20.1°C) in September to a fresh 52.3°F (11.3°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Augusta, Montana, with an average temperature fluctuating between 25.3°F (-3.7°C) and 39.2°F (4°C). In November, the average high-temperature drops from a cool 52.3°F (11.3°C) in October to a cold 39.2°F (4°C). Weather in November »

Weather in December

The first month of the winter, December, is still a freezing cold month in Augusta, Montana, with an average temperature fluctuating between 16.2°F (-8.8°C) and 28.8°F (-1.8°C). The coldest month is December, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.2°F (-8.8°C). Weather in December »
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FAQ

What is the most humid month in Augusta?

January is the most humid month, with an average relative humidity of 76%.

How much does it rain in Augusta?

Throughout the year, there are 73.3 rainfall days, and 9.17" (233mm) of precipitation is accumulated.

When does it snow in Augusta?

January through May, September through December are months with snowfall in Augusta, Montana.

How many days does it snow in Augusta?

In Augusta, during the entire year, snow falls for 50.3 days and aggregates up to 21.26" (540mm) of snow.

When is the lowest UV index in Augusta?

January through March, October through December, with an average maximum UV index of 2, are months with the lowest UV index in Augusta, Montana.

What is the snowiest month in Augusta?

February is the month with the most snowfall in Augusta. Snow falls for 11.3 days and accumulates 4.17" (106mm) of snow.

When is Daylight Saving Time (DST) in Augusta?

On Sunday, March 13. 2022, at 2:00 am, Daylight Saving Time starts in Augusta, Montana, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 6. 2022, at 2:00 am, and the time zone reverts from MDT to MST.

What is the rainiest month in Augusta?

The month with the most rainfall in Augusta is June, when the rain falls for 11.1 days and typically aggregates up to 1.93" (49mm) of precipitation.

When it does not snow in Augusta?

June through August are months without snowfall.

When are the longest days in Augusta?

With an average of 15h and 54min of daylight, June has the longest days of the year in Augusta, Montana.

What is the warmest month in Augusta?

The warmest month is July, with an average high-temperature of 79.7°F (26.5°C) and an average low-temperature of 54.5°F (12.5°C).

What month has the most sunshine in Augusta?

The month with the most sunshine is July, with an average of 12.1h of sunshine.

When is the highest UV index in Augusta?

With an average maximum UV index of 6, July is the month with the highest UV index in Augusta.

What is the least humid month in Augusta?

With an average relative humidity of 42%, August is the least humid month.

What is the coldest month in Augusta?

December is the coldest month in Augusta, Montana, with an average high-temperature of 28.8°F (-1.8°C) and an average low-temperature of 16.2°F (-8.8°C).

What is the driest month in Augusta?

The month with the least rainfall is December, when the rain falls for 3.5 days and typically collects 0.35" (9mm) of precipitation.

What is the month with the shortest days in Augusta?

With an average of 8h and 31min of daylight, December has the shortest days of the year in Augusta.

What is the month with the least sunshine in Augusta?

The month with the least sunshine in Augusta is December, with an average of 5.8h of sunshine.

Average temperature
Augusta, MT

Average temperature - Augusta, MT

The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is December (28.8°F).

The month with the highest average low temperature is August (55.9°F).
The coldest month (with the lowest average low temperature) is December (16.2°F).

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Average pressure
Augusta, MT

Average pressure - Augusta, MT

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).

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Average wind speed
Augusta, MT

Average wind speed - Augusta, MT

The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest months (with the lowest average wind speed) are July and August (8mph).

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Average rainfall
Augusta, MT

Average rainfall - Augusta, MT

The wettest month (with the highest rainfall) is June (1.93").
The driest month (with the least rainfall) is December (0.35").

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Average rainfall days
Augusta, MT

Average rainfall days - Augusta, MT

The month with the highest number of rainy days is May (11.3 days).
The month with the least rainy days is November (2.7 days).

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Average snowfall
Augusta, MT

Average snowfall - Augusta, MT

The month with the highest snowfall is February (4.17").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Augusta, MT

Average snowfall days - Augusta, MT

The month with the highest number of snowfall days is February (11.3 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Augusta, MT

Average daylight / Average sunshine - Augusta, MT

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 31min).

The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).

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Average sunshine days
Augusta, MT

Average sunshine days - Augusta, MT

The month with the most sunshine days is October (23.2 days).
The month with the least sunshine days is February (15.8 days).

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Average UV index
Augusta, MT

Average UV index - Augusta, MT

The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

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Average visibility
Augusta, MT

Average visibility - Augusta, MT

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

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