Monthly weather forecast and climate
Acton, MT

What is the coldest month in Acton?

January is the coldest month in Acton, Montana, with an average high-temperature of 33.8°F (1°C) and an average low-temperature of 14°F (-10°C).

How much does it rain in Acton?

During the entire year, Acton aggregates up to 14.4" (365mm) of precipitation.

What is the driest month in Acton?

Months with the least rainfall in Acton are February and December with 0.6" (15mm) of accumulated rain.

What is the wettest month in Acton?

The month with the most rainfall is May when 2.3" (58mm) of precipitation is typically aggregated.

What is the warmest month in Acton?

The warmest month in Acton, Montana, is July, with an average high-temperature of 87.8°F (31°C) and an average low-temperature of 57.2°F (14°C).
Average temperature - Acton, MT
Average rainfall - Acton, MT
Average daylight - Acton, MT

The month with the longest days is June (Average daylight: 15.7h).
The month with shortest days is December (Average daylight: 8.7h).

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