Climate and monthly weather forecast
Circle, MT

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Weather in January

January, the same as December, in Circle, Montana, is a freezing cold winter month, with temperature in the range of an average low of 12.6°F (-10.8°C) and an average high of 25.5°F (-3.6°C). January, recording an average high temperature of 25.5°F (-3.6°C) and a low temperature of 12.6°F (-10.8°C), is Circle's coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another freezing cold month in Circle, Montana, with an average temperature varying between 12.7°F (-10.7°C) and 26.2°F (-3.2°C). The commencement of February brings an average high-temperature of a still subzero cold 26.2°F (-3.2°C), marking an inconsequential divergence from January. Weather in February »

Weather in March

March, the first month of the spring in Circle, is a wintry month, with temperature in the range of an average high of 41.9°F (5.5°C) and an average low of 27°F (-2.8°C). As Circle, Montana, steps into March, a marked temperature rise is observed, with the average high-temperature advancing from February's subzero cold 26.2°F (-3.2°C) to a cold 41.9°F (5.5°C). Weather in March »

Weather in April

April is a cool spring month in Circle, Montana, with an average temperature ranging between max 53.4°F (11.9°C) and min 36.7°F (2.6°C). Circle's April weather shows an increase in high-temperatures, moving from March's wintry 41.9°F (5.5°C) to a fresh 53.4°F (11.9°C). Weather in April »

Weather in May

The last month of the spring, May, is an enjoyable month in Circle, Montana, with temperature in the range of an average high of 64.9°F (18.3°C) and an average low of 46.9°F (8.3°C). May shows a rise in the average high-temperature, moving from April's cool 53.4°F (11.9°C) to a comfortable 64.9°F (18.3°C). Weather in May »

Weather in June

June, the first month of the summer in Circle, is a moderately hot month, with temperature in the range of an average high of 76.3°F (24.6°C) and an average low of 56.7°F (13.7°C). The start of June brings a rise in the average high-temperature, moving from a refreshing 64.9°F (18.3°C) in May to a moderately hot 76.3°F (24.6°C). Weather in June »

Weather in July

July, the same as June, is another warm summer month in Circle, Montana, with an average temperature fluctuating between 84.7°F (29.3°C) and 64°F (17.8°C). Circle's July weather, with an average high temperature of 84.7°F (29.3°C) and an average low temperature of 64°F (17.8°C), tends to be the warmest of the year. In July, the heat index is computed to be 84.2°F (29°C). Weather in July »

Weather in August

The last month of the summer, August, is also a moderately hot month in Circle, Montana, with an average temperature varying between 63.1°F (17.3°C) and 83.3°F (28.5°C). August's climate shows a minor adjustment in average high-temperatures to a still moderately hot 83.3°F (28.5°C) from July's 84.7°F (29.3°C). Weather in August »

Weather in September

September, the first month of the autumn in Circle, is still a pleasant month, with temperature in the range of an average low of 54.5°F (12.5°C) and an average high of 73°F (22.8°C). The decrease of average high-temperatures is mild in September, with a decline from a warm 83.3°F (28.5°C) in August to an agreeable 73°F (22.8°C). Weather in September »

Weather in October

October, like September, in Circle, Montana, is another fresh autumn month, with an average temperature fluctuating between 54.7°F (12.6°C) and 40.1°F (4.5°C). In Circle, stepping into October signifies a significant temperature decrement, moving down from September's pleasant 73°F (22.8°C) to a cool 54.7°F (12.6°C). Weather in October »

Weather in November

The last month of the autumn, November, is another cold month in Circle, Montana, with temperature in the range of an average high of 40.5°F (4.7°C) and an average low of 27°F (-2.8°C). Circle, Montana, in November undergoes a mild reduction in the average high-temperature, shifting from October's fresh 54.7°F (12.6°C) to an icy 40.5°F (4.7°C). Weather in November »

Weather in December

December, the first month of the winter in Circle, is also a subzero cold month, with an average temperature ranging between max 26.2°F (-3.2°C) and min 14.2°F (-9.9°C). The onset of December introduces a moderate change in Circle's weather, with average high-temperatures falling from November's wintry 40.5°F (4.7°C) to a subzero cold 26.2°F (-3.2°C). Weather in December »
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the coldest month in Circle?

In Circle, the lowest temperatures are generally noted in January, averaging a high of 25.5°F (-3.6°C) and a low of 12.6°F (-10.8°C).

What is the most humid month in Circle?

With an average relative humidity of 85%, January is the most humid month.

What is the driest month in Circle?

The month with the least rainfall in Circle is January, when the rain falls for 4.4 days and typically collects 0.51" (13mm) of precipitation.

How many days does it rain in Circle?

Throughout the year, in Circle, Montana, there are 102.6 rainfall days, and 13.35" (339mm) of precipitation is accumulated.

When does it snow in Circle?

January through May, October through December are months with snowfall in Circle, Montana.

How much does it snow in Circle?

In Circle, Montana, during the entire year, snow falls for 58.7 days and aggregates up to 17.28" (439mm) of snow.

When does it snow the most in Circle?

February is the month with the most snowfall. Snow falls for 12 days and accumulates 3.62" (92mm) of snow.

What is the month with the least sunshine in Circle?

The months with the least sunshine in Circle are February and December, with an average of 4.9h of sunshine.

When is Daylight Saving Time (DST) in Circle?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Circle, 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 rainiest month in Circle?

May is the month with the most rainfall in Circle, Montana. Rain falls for 13.7 days and accumulates 2.2" (56mm) of precipitation.

When it does not snow in Circle?

June through September are months without snowfall in Circle, Montana.

When are the longest days in Circle?

The month with the longest days in Circle, Montana, is June, with an average of 15h and 54min of daylight.

What part of the year is the hottest in Circle?

Circle's July weather reaches an average high of 84.7°F (29.3°C) and an average low of 64°F (17.8°C), making it the warmest month.

What month has the most sunshine in Circle?

With an average of 11.7h of sunshine, July has the most sunshine of the year.

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

With an average maximum UV index of 7, July is the month with the highest UV index.

What is the least humid month in Circle?

August is the least humid month in Circle, Montana, with an average relative humidity of 43%.

What are the months with the lowest UV index in Circle?

November and December, with an average maximum UV index of 1, are months with the lowest UV index in Circle, Montana.

What is the month with the shortest days in Circle?

With an average of 8h and 30min of daylight, December has the shortest days of the year.

Average temperature
Circle, MT

Average temperature - Circle, MT

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (25.5°F).

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (12.6°F).

Average pressure
Circle, MT

Average pressure - Circle, MT

The month with the highest atmospheric pressure is February (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.83"Hg).

Average wind speed
Circle, MT

Average wind speed - Circle, MT

The windiest month (with the highest average wind speed) is April (11.2mph).
The calmest month (with the lowest average wind speed) is August (9.3mph).

Average humidity
Circle, MT

Average humidity - Circle, MT

The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is August (43%).

Average rainfall
Circle, MT

Average rainfall - Circle, MT

The wettest month (with the highest rainfall) is May (2.2").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days
Circle, MT

Average rainfall days - Circle, MT

The month with the highest number of rainy days is May (13.7 days).
The month with the least rainy days is February (4 days).

Average snowfall
Circle, MT

Average snowfall - Circle, MT

The month with the highest snowfall is February (3.62").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days
Circle, MT

Average snowfall days - Circle, MT

The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are July, August and September (0 days).

Average daylight / Average sunshine
Circle, MT

Average daylight / Average sunshine - Circle, 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 30min).

The month with the most sunshine is July (Average sunshine: 11h and 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

Average sunshine days
Circle, MT

Average sunshine days - Circle, MT

The month with the most sunshine days is September (19.8 days).
The month with the least sunshine days is June (13.1 days).

Average visibility
Circle, MT

Average visibility - Circle, 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).

Circle, Montana, USA

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