Monthly weather forecast and climate
Chinook, MT

What is the coldest month in Chinook?

January is the coldest month in Chinook, Montana, 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?

Throughout the year, in Chinook, Montana, 13.1" (331.7mm) of rain is accumulated.

What is the driest month in Chinook?

February is the month with the least rainfall, with 0.3" (8.1mm) of accumulated precipitation.

What is the rainiest month in Chinook?

Months with the most rainfall are May and June, with an average 2.3" (58.2mm) of precipitation.

What is the warmest month in Chinook?

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

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