Climate and monthly weather forecast
Bannack, MT

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Weather in January

January, the same as December, in Bannack, Montana, is a freezing cold winter month, with temperature in the range of an average low of 10.8°F (-11.8°C) and an average high of 27°F (-2.8°C). Bannack observes a minor difference in average high-temperatures between December's 24.3°F (-4.3°C) and January's 27°F (-2.8°C). Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Bannack, Montana, with temperature in the range of an average high of 27.1°F (-2.7°C) and an average low of 10.4°F (-12°C). The shift into February records an average high-temperature of a still subzero cold 27.1°F (-2.7°C), subtly varied from January's 27°F (-2.8°C). Weather in February »

Weather in March

The first month of the spring, March, is an icy month in Bannack, Montana, with temperature in the range of an average low of 19°F (-7.2°C) and an average high of 34.3°F (1.3°C). As February transitions into March, a subtle temperature shift is observed, with average highs adjusting from a subzero cold 27.1°F (-2.7°C) to a wintry 34.3°F (1.3°C). Weather in March »

Weather in April

April in Bannack, Montana, is a chilly spring month, with an average temperature fluctuating between 26.4°F (-3.1°C) and 44.1°F (6.7°C). April witnesses an increase in the average high-temperature, moving from a wintry 34.3°F (1.3°C) in March to a chilly 44.1°F (6.7°C). Weather in April »

Weather in May

The last month of the spring, May, is a moderate month in Bannack, Montana, with an average temperature fluctuating between 34.7°F (1.5°C) and 55.6°F (13.1°C). Bannack, Montana, in May experiences an increase in the average high-temperature, moving from April's frosty 44.1°F (6.7°C) to a mild 55.6°F (13.1°C). Weather in May »

Weather in June

June, the first month of the summer in Bannack, is a comfortable month, with an average temperature ranging between max 65.8°F (18.8°C) and min 40.6°F (4.8°C). Observing a rise in June, the average high-temperature goes from May's moderate 55.6°F (13.1°C) to a still refreshing 65.8°F (18.8°C). Weather in June »

Weather in July

July is a warm summer month in Bannack, Montana, with an average temperature varying between 76.6°F (24.8°C) and 47.1°F (8.4°C). Bannack experiences its highest temperatures in July, with an average peak of 76.6°F (24.8°C) and a low of 47.1°F (8.4°C). Weather in July »

Weather in August

August, the last month of the summer in Bannack, is also a moderately hot month, with an average temperature ranging between max 75.4°F (24.1°C) and min 46.9°F (8.3°C). With August's arrival, Bannack's weather records an average high-temperature of a still moderately hot 75.4°F (24.1°C), marking little difference from July's 76.6°F (24.8°C). Weather in August »

Weather in September

September, the first month of the autumn in Bannack, is still a refreshing month, with an average temperature varying between 42.1°F (5.6°C) and 65.8°F (18.8°C). With September's onset, the average high-temperature recedes from August's warm 75.4°F (24.1°C) to a refreshing 65.8°F (18.8°C). Weather in September »

Weather in October

October, the same as September, in Bannack, Montana, is another chilly autumn month, with an average temperature ranging between max 49.1°F (9.5°C) and min 31.3°F (-0.4°C). Bannack's October weather is marked by a distinct drop in high-temperatures, declining from a comfortable 65.8°F (18.8°C) in September to a chilly 49.1°F (9.5°C). Weather in October »

Weather in November

The last month of the autumn, November, is also an icy month in Bannack, Montana, with an average temperature ranging between min 20.1°F (-6.6°C) and max 34.9°F (1.6°C). During the transition into November, Bannack observes a decrease in the average high-temperature, falling from a frosty 49.1°F (9.5°C) in October to an icy 34.9°F (1.6°C). Weather in November »

Weather in December

December, the first month of the winter in Bannack, is also a subzero cold month, with an average temperature fluctuating between 9.9°F (-12.3°C) and 24.3°F (-4.3°C). The coldest month is December, with an average high-temperature of 24.3°F (-4.3°C) and an average low-temperature of 9.9°F (-12.3°C). Weather in December »
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Frequently asked questions

What is the most humid month in Bannack?

The months with the highest humidity in Bannack, Montana, are January and February, with an average relative humidity of 86%.

What is the driest month in Bannack?

January is the month with the least rainfall in Bannack. Rain falls for 4.6 days and accumulates 0.43" (11mm) of precipitation.

How many days does it rain in Bannack?

Throughout the year, in Bannack, there are 103.2 rainfall days, and 9.84" (250mm) of precipitation is accumulated.

When does it snow in Bannack?

January through June, September through December are months with snowfall.

How many days does it snow in Bannack?

In Bannack, during the entire year, snow falls for 81.9 days and aggregates up to 31.65" (804mm) of snow.

What is the month with the least sunshine in Bannack?

January has the least sunshine of the year in Bannack, Montana, with an average of 5.9h of sunshine.

What is the month with the lowest UV index in Bannack?

With an average maximum UV index of 1, February is the month with the lowest UV index.

When is Daylight Saving Time (DST) in Bannack?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from MST to MDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from MDT to MST.

What is the snowiest month in Bannack?

April is the month with the most snowfall in Bannack. Snow falls for 10.8 days and accumulates 4.96" (126mm) of snow.

What is the wettest month in Bannack?

June is the month with the most rainfall. Rain falls for 13.5 days and accumulates 1.73" (44mm) of precipitation.

When are the longest days in Bannack?

June has the longest days of the year in Bannack, Montana, with an average of 15h and 36min of daylight.

What month is the hottest in Bannack?

July is the month when Bannack's temperatures reach their peak, with averages of 76.6°F (24.8°C) and lows of 47.1°F (8.4°C).

What are the least humid months in Bannack?

The months with the lowest humidity are July and August, with an average relative humidity of 43%.

When it does not snow in Bannack?

In Bannack, Montana, snow does not fall in July and August.

What month has the most sunshine in Bannack?

The month with the most sunshine in Bannack is July, with an average of 11.9h of sunshine.

What is the month with the highest UV index in Bannack?

With an average maximum UV index of 5, July is the month with the highest UV index in Bannack, Montana.

What part of the year is the coldest in Bannack?

The month of December, characterized by an average high of 24.3°F (-4.3°C) and a low of 9.9°F (-12.3°C), is recognized as the coldest in Bannack.

What is the month with the shortest days in Bannack?

With an average of 8h and 48min of daylight, December has the shortest days of the year in Bannack, Montana.

Average temperature
Bannack, MT

Average temperature - Bannack, MT

The warmest month (with the highest average high temperature) is July (76.6°F).
The month with the lowest average high temperature is December (24.3°F).

The month with the highest average low temperature is July (47.1°F).
The coldest month (with the lowest average low temperature) is December (9.9°F).

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Average pressure
Bannack, MT

Average pressure - Bannack, MT

The month with the highest atmospheric pressure is January (30.25"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Bannack, MT

Average wind speed - Bannack, MT

The windiest months (with the highest average wind speed) are November and December (7.3mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity
Bannack, MT

Average humidity - Bannack, MT

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (43%).

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Average rainfall
Bannack, MT

Average rainfall - Bannack, MT

The wettest month (with the highest rainfall) is June (1.73").
The driest month (with the least rainfall) is January (0.43").

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Average rainfall days
Bannack, MT

Average rainfall days - Bannack, MT

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is January (4.6 days).

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Average snowfall
Bannack, MT

Average snowfall - Bannack, MT

The month with the highest snowfall is April (4.96").
The months with the least snowfall are July and August (0").

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Average snowfall days
Bannack, MT

Average snowfall days - Bannack, MT

The month with the highest number of snowfall days is February (13.3 days).
The months with the least snowfall days are July and August (0 days).

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Average daylight / Average sunshine
Bannack, MT

Average daylight / Average sunshine - Bannack, MT

The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).

The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).

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Average sunshine days
Bannack, MT

Average sunshine days - Bannack, MT

The month with the most sunshine days is July (20.7 days).
The month with the least sunshine days is April (10.7 days).

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Average visibility
Bannack, MT

Average visibility - Bannack, MT

The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is February (4mi).

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Bannack, Montana, USA

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