Climate and monthly weather forecast
Buffalo, MT

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Weather in January

January, the same as December, in Buffalo, Montana, is a freezing cold winter month, with an average temperature ranging between max 30.6°F (-0.8°C) and min 16.9°F (-8.4°C). Buffalo in January witnesses an average high-temperature of a still subzero cold 30.6°F (-0.8°C), indicating a slight variation from December's 29.1°F (-1.6°C). Weather in January »

Weather in February

February, the last month of the winter in Buffalo, is another freezing cold month, with an average temperature varying between 15.3°F (-9.3°C) and 29.1°F (-1.6°C). Buffalo witnesses its lowest temperatures in February and December, reaching an average of 29.1°F (-1.6°C). Weather in February »

Weather in March

March, the first month of the spring in Buffalo, is a cold month, with an average temperature varying between 40.6°F (4.8°C) and 25.3°F (-3.7°C). With the onset of March, Buffalo sees a temperature rise, with the average high-temperature moving from February's subzero cold 29.1°F (-1.6°C) to an icy 40.6°F (4.8°C). Weather in March »

Weather in April

April in Buffalo, Montana, is a chilly spring month, with an average temperature fluctuating between 47.8°F (8.8°C) and 31.8°F (-0.1°C). The beginning of April marks a minor shift in the average high-temperature, moving from March's cold 40.6°F (4.8°C) to a frosty 47.8°F (8.8°C). Weather in April »

Weather in May

The last month of the spring, May, is a refreshing month in Buffalo, Montana, with temperature in the range of an average high of 58.5°F (14.7°C) and an average low of 40.1°F (4.5°C). The beginning of May signals a rise in the average high-temperature, moving from a frosty 47.8°F (8.8°C) in April to a moderate 58.5°F (14.7°C). Weather in May »

Weather in June

June, the first month of the summer in Buffalo, is a pleasant month, with temperature in the range of an average high of 68.5°F (20.3°C) and an average low of 47.8°F (8.8°C). Buffalo in June experiences an increase in the average high-temperature, moving from May's moderate 58.5°F (14.7°C) to a pleasant 68.5°F (20.3°C). Weather in June »

Weather in July

July is a warm summer month in Buffalo, Montana, with temperature in the range of an average high of 78.8°F (26°C) and an average low of 54.3°F (12.4°C). During the warmest month, July, temperatures average a high of 78.8°F (26°C) and a low of 54.3°F (12.4°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Buffalo, Montana, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 78.1°F (25.6°C). August experiences an average high-temperature of a still moderately hot 78.1°F (25.6°C), barely different from July's 78.8°F (26°C). Weather in August »

Weather in September

The first month of the autumn, September, is still a refreshing month in Buffalo, Montana, with an average temperature fluctuating between 67.5°F (19.7°C) and 47.1°F (8.4°C). September comes with a decrease in the average high-temperature, falling from a warm 78.1°F (25.6°C) in August to a comfortable 67.5°F (19.7°C). Weather in September »

Weather in October

October, the same as September, is another fresh autumn month in Buffalo, Montana, with an average temperature ranging between min 35.1°F (1.7°C) and max 52.2°F (11.2°C). October brings a significant decrease in the average high-temperature, moving down from a comfortable 67.5°F (19.7°C) in September to a cool 52.2°F (11.2°C). Weather in October »

Weather in November

The last month of the autumn, November, is also a wintry month in Buffalo, Montana, with temperature in the range of an average low of 25.2°F (-3.8°C) and an average high of 39.2°F (4°C). The beginning of November involves a decrease in the average high-temperature, transitioning from a cool 52.2°F (11.2°C) in October to an icy 39.2°F (4°C). Weather in November »

Weather in December

December, the first month of the winter in Buffalo, is also a subzero cold month, with an average temperature fluctuating between 29.1°F (-1.6°C) and 16°F (-8.9°C). During February and December, Buffalo registers its lowest temperatures, averaging a high of 29.1°F (-1.6°C). Weather in December »

Frequently asked questions

How much does it rain?

In Buffalo, during the entire year, the rain falls for 126.2 days and collects up to 17.83" (453mm) of precipitation.

When does it snow?

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

How many days does it snow?

In Buffalo, Montana, during the entire year, snow falls for 83.4 days and aggregates up to 45.51" (1156mm) of snow.

When is the lowest UV index?

The months with the lowest UV index are January through April, October through December, with an average maximum UV index of 2.

What month is the coldest in Buffalo?

February and December represent the coldest period, with an average high-temperature of 29.1°F (-1.6°C).

What is the most humid month?

February is the most humid month in Buffalo, Montana, with an average relative humidity of 79%.

What is the month with the least sunshine?

The month with the least sunshine is February, with an average of 5.5h of sunshine.

When is Daylight Saving Time (DST)?

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?

The month with the most snowfall is April, when snow falls for 10 days and typically aggregates up to 9.13" (232mm) of snow.

What is the rainiest month?

The month with the most rainfall is May, when the rain falls for 19.3 days and typically aggregates up to 3.39" (86mm) of precipitation.

When are the longest days?

With an average of 15h and 48min of daylight, June has the longest days of the year.

What is the hottest time of year?

Buffalo's temperatures tend to reach their peak averages in July, with a high of 78.8°F (26°C) and a low of 54.3°F (12.4°C).

When it does not snow?

In Buffalo, snow does not fall in July and August.

What month has the most sunshine?

With an average of 11.8h of sunshine, July has the most sunshine of the year.

When is the highest UV index in Buffalo?

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

What is the least humid month?

August is the least humid month, with an average relative humidity of 47%.

What is the driest month?

The month with the least rainfall in Buffalo is December, when the rain falls for 6 days and typically collects 0.71" (18mm) of precipitation.

What is the month with the shortest days in Buffalo?

With an average of 8h and 36min of daylight, December has the shortest days of the year.

Average temperature
Buffalo, MT

Average temperature - Buffalo, MT

The warmest month (with the highest average high temperature) is July (78.8°F).
The months with the lowest average high temperature are February and December (29.1°F).

The month with the highest average low temperature is August (54.5°F).
The coldest month (with the lowest average low temperature) is February (15.3°F).

Average pressure
Buffalo, MT

Average pressure - Buffalo, MT

The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.85"Hg).

Average wind speed
Buffalo, MT

Average wind speed - Buffalo, MT

The windiest months (with the highest average wind speed) are January, April and October (9.9mph).
The calmest month (with the lowest average wind speed) is August (7.4mph).

Average humidity
Buffalo, MT

Average humidity - Buffalo, MT

The month with the highest relative humidity is February (79%).
The month with the lowest relative humidity is August (47%).

Average rainfall
Buffalo, MT

Average rainfall - Buffalo, MT

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is December (0.71").

Average rainfall days
Buffalo, MT

Average rainfall days - Buffalo, MT

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (5.4 days).

Average snowfall
Buffalo, MT

Average snowfall - Buffalo, MT

The month with the highest snowfall is April (9.13").
The months with the least snowfall are July and August (0").

Average snowfall days
Buffalo, MT

Average snowfall days - Buffalo, MT

The month with the highest number of snowfall days is February (15.2 days).
The months with the least snowfall days are July and August (0 days).

Average daylight / Average sunshine
Buffalo, MT

Average daylight / Average sunshine - Buffalo, MT

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

The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days
Buffalo, MT

Average sunshine days - Buffalo, MT

The month with the most sunshine days is September (19.3 days).
The month with the least sunshine days is April (8.3 days).

Average UV index
Buffalo, MT

Average UV index - Buffalo, MT

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

Average visibility
Buffalo, MT

Average visibility - Buffalo, 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).

Buffalo, Montana, USA

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