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

Monthly weather forecast and climate
Chinook, MT

January, the same as December, in Chinook, Montana, is a freezing cold winter month, with temperature in the range of an average high of 25.9°F (-3.4°C) and an average low of -0.6°F (-18.1°C). January is the coldest month, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of -0.6°F (-18.1°C). Weather in January »

February, the last month of the winter, in Chinook, is a cold month, with temperature in the range of an average low of 6.3°F (-14.3°C) and an average high of 33.4°F (0.8°C). In Chinook, the average high-temperature in February slightly increases, from a subzero cold 25.9°F (-3.4°C) in January, to a cold 33.4°F (0.8°C). Weather in February »

March, the first month of the spring, in Chinook, is a chilly month, with average temperature ranging between max 45.1°F (7.3°C) and min 16.7°F (-8.5°C). In Chinook, the average high-temperature rises, from a cold 33.4°F (0.8°C) in February, to a frosty 45.1°F (7.3°C). Weather in March »

April is a mild spring month in Chinook, Montana, with average temperature ranging between min 29.8°F (-1.2°C) and max 58.8°F (14.9°C). In April, the average high-temperature rises, from a chilly 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 an agreeable month in Chinook, Montana, with average temperature ranging between min 40.8°F (4.9°C) and max 69.1°F (20.6°C). In May, the average high-temperature increases, from a mild 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 temperature in the range of an average high of 77.7°F (25.4°C) and an average low of 49.8°F (9.9°C). In June, the average high-temperature marginally rises, from an agreeable 69.1°F (20.6°C) in May, to a moderately hot 77.7°F (25.4°C). Weather in June »

July, like June, in Chinook, Montana, is another warm summer month, with average temperature fluctuating between 53.1°F (11.7°C) and 84°F (28.9°C). July is the warmest month, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 53.1°F (11.7°C). Weather in July »

August, the last month of the summer, in Chinook, is another warm month, with temperature in the range of an average high of 83.7°F (28.7°C) and an average low of 51.4°F (10.8°C). In Chinook, the average high-temperature is relatively 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 temperature in the range of an average high of 72.1°F (22.3°C) and an average low of 38.7°F (3.7°C). In September, the average high-temperature drops, from a moderately hot 83.7°F (28.7°C) in August, to a pleasant 72.1°F (22.3°C). Weather in September »

October, the same as September, in Chinook, Montana, is another mild autumn month, with average temperature ranging between min 27.1°F (-2.7°C) and max 59.2°F (15.1°C). In October, the average high-temperature decreases, from an agreeable 72.1°F (22.3°C) in September, to a moderate 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 high of 40.3°F (4.6°C) and an average low of 13.5°F (-10.3°C). In Chinook, the average high-temperature plummets, from a mild 59.2°F (15.1°C) in October, to a wintry 40.3°F (4.6°C). Weather in November »

December, the first month of the winter, in Chinook, is still a freezing cold month, with average temperature fluctuating between 3.7°F (-15.7°C) and 29.7°F (-1.3°C). In Chinook, the average high-temperature in December decreases, from a cold 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?

The coldest month in Chinook, Montana, is January, with an average high-temperature of 25.9°F (-3.4°C) and an average low-temperature of -0.6°F (-18.1°C).

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?

February is the month with the least rainfall, with 0.32" (8.1mm) of accumulated precipitation.

What is the rainiest month in Chinook?

The wettest months in Chinook are May and June, with an average 2.29" (58.2mm) of rainfall.

When are the longest days in Chinook?

The month with the longest days is June, with an average of 16.1h of daylight.

What is the warmest month in Chinook?

July is the warmest month in Chinook, with an average high-temperature of 84°F (28.9°C) and an average low-temperature of 53.1°F (11.7°C).

What is the month with the shortest days in Chinook?

The month with the shortest days is December, with an average of 8.4h of daylight.
Average temperature - Chinook, MT
Average rainfall - Chinook, MT

The wettest months (with the highest rainfall) are May and June (58.2mm).
The driest month (with the least rainfall) is February (8.1mm).

Average daylight - Chinook, MT

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