Chinook
Montana, USA
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Chinook, MT

January, like December, is a freezing cold winter month in Chinook, Montana, with average temperature fluctuating between 32°F (0°C) and 25.9°F (-3.4°C). With an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 32°F (0°C), January is the coldest month. Weather in January »

February, the last month of the winter, in Chinook, is a wintry month, with average temperature fluctuating between 33.4°F (0.8°C) and 32°F (0°C). In February, the average high-temperature slightly increases, from a freezing cold 25.9°F (-3.4°C) in January, to a wintry 33.4°F (0.8°C). Weather in February »

The first month of the spring, March, is a frosty month in Chinook, Montana, with average temperature ranging between min 32°F (0°C) and max 45.1°F (7.3°C). In March, the average high-temperature rises, from a wintry 33.4°F (0.8°C) in February, to a chilly 45.1°F (7.3°C). Weather in March »

April is a moderate spring month in Chinook, Montana, with average temperature fluctuating between 32°F (0°C) and 58.8°F (14.9°C). In April, the average high-temperature rises, from a frosty 45.1°F (7.3°C) in March, to a mild 58.8°F (14.9°C). Weather in April »

The last month of the spring, May, is a pleasant month in Chinook, Montana, with temperature in the range of an average low of 32°F (0°C) and an average high of 69.1°F (20.6°C). In May, the average high-temperature rises, from a moderate 58.8°F (14.9°C) in April, to a pleasant 69.1°F (20.6°C). Weather in May »

June, the first month of the summer, in Chinook, is a warm month, with average temperature fluctuating between 32°F (0°C) and 77.7°F (25.4°C). In Chinook, the average high-temperature in June slightly increases, from an agreeable 69.1°F (20.6°C) in May, to a warm 77.7°F (25.4°C). Weather in June »

July, like June, in Chinook, Montana, is a moderately hot summer month, with average temperature fluctuating between 84°F (28.9°C) and 32°F (0°C). July is the warmest month, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 32°F (0°C). Weather in July »

The last month of the summer, August, is also a moderately hot month in Chinook, Montana, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 32°F (0°C). In Chinook, the average high-temperature is almost the same as in July - a still moderately hot 83.7°F (28.7°C). Weather in August »

September, the first month of the autumn, in Chinook, is still a pleasant month, with average temperature fluctuating between 72.1°F (22.3°C) and 32°F (0°C). In Chinook, the average high-temperature in September drops, from a warm 83.7°F (28.7°C) in August, to an agreeable 72.1°F (22.3°C). Weather in September »

October, like September, is another mild autumn month in Chinook, Montana, with average temperature ranging between min 32°F (0°C) and max 59.2°F (15.1°C). In October, the average high-temperature decreases, from a pleasant 72.1°F (22.3°C) in September, to a mild 59.2°F (15.1°C). Weather in October »

The last month of the autumn, November, is another cold month in Chinook, Montana, with temperature in the range of an average low of 32°F (0°C) and an average high of 40.3°F (4.6°C). In November, the average high-temperature plummets, from a moderate 59.2°F (15.1°C) in October, to a wintry 40.3°F (4.6°C). Weather in November »

The first month of the winter, December, is also a subzero cold month in Chinook, Montana, with average temperature ranging between max 29.7°F (-1.3°C) and min 32°F (0°C). In Chinook, Montana, the average high-temperature in December drops, from a wintry 40.3°F (4.6°C) in November, to a subzero cold 29.7°F (-1.3°C). Weather in December »

What is the coldest month in Chinook?

With an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of 32°F (0°C), January is the coldest month in Chinook.

How much does it rain in Chinook?

During the entire year, Chinook aggregates up to 13.06" (331.7mm) of precipitation.

What is the driest month in Chinook?

The month with the least rainfall in Chinook is February when 0.32" (8.1mm) of precipitation is typically aggregated.

What is the wettest month in Chinook?

Months with the most rainfall in Chinook are May and June, with an average 2.29" (58.2mm) of precipitation.

When are the longest days in Chinook?

June has the longest days of the year in Chinook, with an average of 16.1h of daylight.

What is the warmest month in Chinook?

July is the warmest month in Chinook, Montana, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 32°F (0°C).

What is the month with the shortest days in Chinook?

With an average of 8.4h of daylight, December has the shortest days of the year in Chinook.
Average temperature - Chinook, MT

The warmest month (with the highest average high temperature) is July (84°F).
The month with the lowest average high temperature is January (25.9°F).

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (0°F).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (0°F).

Average rainfall - Chinook, MT
Average daylight - Chinook, MT

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).