Climate and monthly weather forecast
Charlo, MT

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Weather in January

January, the same as December, in Charlo, Montana, is another subzero cold winter month, with temperature in the range of an average low of 18°F (-7.8°C) and an average high of 29.8°F (-1.2°C). Charlo's weather in January displays an average high-temperature of a still freezing cold 29.8°F (-1.2°C), showing minor disparity from December's 28.4°F (-2°C). Weather in January »

Weather in February

The last month of the winter, February, is also a subzero cold month in Charlo, Montana, with temperature in the range of an average low of 17.6°F (-8°C) and an average high of 30.4°F (-0.9°C). February's climate shows a minor adjustment in average high-temperatures to a still freezing cold 30.4°F (-0.9°C) from January's 29.8°F (-1.2°C). Weather in February »

Weather in March

The first month of the spring, March, is a wintry month in Charlo, Montana, with an average temperature varying between 24.8°F (-4°C) and 39.2°F (4°C). In Charlo, the average high-temperature in March slightly increases from a subzero cold 30.4°F (-0.9°C) in February to an icy 39.2°F (4°C). Weather in March »

Weather in April

April in Charlo, Montana, is a chilly spring month, with an average temperature varying between 48.7°F (9.3°C) and 29.8°F (-1.2°C). The start of April brings a shift in the average high-temperature, increasing from March's icy 39.2°F (4°C) to a frosty 48.7°F (9.3°C). Weather in April »

Weather in May

The last month of the spring, May, is a comfortable month in Charlo, Montana, with temperature in the range of an average high of 61°F (16.1°C) and an average low of 36.7°F (2.6°C). With the onset of May, Charlo sees a temperature rise, with the average high-temperature moving from April's frosty 48.7°F (9.3°C) to an enjoyable 61°F (16.1°C). Weather in May »

Weather in June

The first month of the summer, June, is an agreeable month in Charlo, Montana, with an average temperature ranging between max 68.5°F (20.3°C) and min 43.3°F (6.3°C). The shift from May to June sees a slight increase in the average high-temperature, transitioning from a comfortable 61°F (16.1°C) to a pleasant 68.5°F (20.3°C). Weather in June »

Weather in July

July is a moderately hot summer month in Charlo, Montana, with an average temperature varying between 79.7°F (26.5°C) and 49.3°F (9.6°C). The warmest temperatures occur during July, when averages reach a peak of 79.7°F (26.5°C) and a low of 49.3°F (9.6°C). Weather in July »

Weather in August

The last month of the summer, August, is another warm month in Charlo, Montana, with temperature in the range of an average high of 79.3°F (26.3°C) and an average low of 49.5°F (9.7°C). The high-temperature average in August for Charlo is a still moderately hot 79.3°F (26.3°C), staying closely aligned with July's conditions. Weather in August »

Weather in September

September, the first month of the autumn in Charlo, is also an agreeable month, with an average temperature varying between 68.5°F (20.3°C) and 42.3°F (5.7°C). As August transitions to September, the average high-temperature falls from a moderately hot 79.3°F (26.3°C) to an agreeable 68.5°F (20.3°C). Weather in September »

Weather in October

October, like September, in Charlo, Montana, is a cool autumn month, with an average temperature fluctuating between 51.8°F (11°C) and 32.7°F (0.4°C). The beginning of October marks a clear shift in the average high-temperature, receding from September's pleasant 68.5°F (20.3°C) to a fresh 51.8°F (11°C). Weather in October »

Weather in November

November, the last month of the autumn in Charlo, is also a wintry month, with temperature in the range of an average high of 37.2°F (2.9°C) and an average low of 24.4°F (-4.2°C). As Charlo, Montana, transitions into November, the average high-temperature shows a marked reduction, decreasing from a cool 51.8°F (11°C) in October to a cold 37.2°F (2.9°C). Weather in November »

Weather in December

December, the first month of the winter in Charlo, is still a freezing cold month, with an average temperature fluctuating between 28.4°F (-2°C) and 16.7°F (-8.5°C). December is the month when Charlo sees the lowest average temperatures, with a high of 28.4°F (-2°C) and a low of 16.7°F (-8.5°C). Weather in December »
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Frequently asked questions

What is the most humid month in Charlo?

With an average relative humidity of 91%, January is the most humid month.

How many days does it rain in Charlo?

In Charlo, Montana, during the entire year, the rain falls for 129.9 days and collects up to 13.5" (343mm) of precipitation.

When does it snow in Charlo?

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

How much does it snow in Charlo?

In Charlo, during the entire year, snow falls for 67.1 days and aggregates up to 28.27" (718mm) of snow.

What is the month with the least sunshine in Charlo?

January has the least sunshine of the year, with an average of 4.7h of sunshine.

When does it snow the most in Charlo?

February is the month with the most snowfall. Snow falls for 14.1 days and accumulates 6.5" (165mm) of snow.

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

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

When is Daylight Saving Time (DST) in Charlo?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Charlo, Montana, 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 wettest month in Charlo?

The month with the most rainfall in Charlo, Montana, is June, when the rain falls for 15.7 days and typically aggregates up to 2.2" (56mm) of precipitation.

When it does not snow in Charlo?

In Charlo, snow does not fall in June through August.

When are the longest days in Charlo?

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

What part of the year is the hottest in Charlo?

With its average high temperature of 79.7°F (26.5°C) and a low of 49.3°F (9.6°C), July is regarded as the warmest month in Charlo.

What is the driest month in Charlo?

July and August are months with the least rain in Charlo, Montana, when the rain falls for 8 days and typically aggregates up to 0.63" (16mm) of rain.

What month has the most sunshine in Charlo?

July has the most sunshine of the year in Charlo, Montana, with an average of 11.8h of sunshine.

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

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

What is the least humid month in Charlo?

August is the least humid month, with an average relative humidity of 49%.

What is the coldest month in Charlo?

Charlo, Montana, reaches its average lowest temperatures in December, measuring 28.4°F (-2°C) at the peak and 16.7°F (-8.5°C) at the lowest.

What is the month with the shortest days in Charlo?

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

Average temperature
Charlo, MT

Average temperature - Charlo, 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 (28.4°F).

The month with the highest average low temperature is August (49.5°F).
The coldest month (with the lowest average low temperature) is December (16.7°F).

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Average pressure
Charlo, MT

Average pressure - Charlo, MT

The month with the highest atmospheric pressure is January (30.18"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed
Charlo, MT

Average wind speed - Charlo, MT

The windiest month (with the highest average wind speed) is April (4.8mph).
The calmest months (with the lowest average wind speed) are January, August and December (3.9mph).

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Average rainfall
Charlo, MT

Average rainfall - Charlo, MT

The wettest month (with the highest rainfall) is June (2.2").
The driest months (with the least rainfall) are July and August (0.63").

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Average rainfall days
Charlo, MT

Average rainfall days - Charlo, MT

The month with the highest number of rainy days is June (15.7 days).
The month with the least rainy days is August (7.4 days).

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Average snowfall
Charlo, MT

Average snowfall - Charlo, MT

The month with the highest snowfall is February (6.5").
The months with the least snowfall are June, July and August (0").

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Average snowfall days
Charlo, MT

Average snowfall days - Charlo, MT

The month with the highest number of snowfall days is December (14.5 days).
The months with the least snowfall days are June, July and August (0 days).

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Average daylight / Average sunshine
Charlo, MT

Average daylight / Average sunshine - Charlo, 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 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).

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Average sunshine days
Charlo, MT

Average sunshine days - Charlo, MT

The month with the most sunshine days is July (20.8 days).
The month with the least sunshine days is February (11 days).

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Average visibility
Charlo, MT

Average visibility - Charlo, MT

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

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Charlo, Montana, USA

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