August weather forecast and climate
Boulder, MT

What is the warmest month in Boulder?

July and August, with an average high-temperature of 82°F (27.8°C), are warmest months in Boulder, Montana.

What is the temperature in August in Boulder?

In August, in Boulder, the average high-temperature is 82°F (27.8°C), and the average low-temperature is 46°F (7.8°C).

How much does it rain in Boulder in August?

Throughout August, in Boulder, 1.2" (30.5mm) of precipitation is accumulated.
Average temperature in August - Boulder, MT
  • Average high temperature in August: 82°F

Warmest months (with the highest average high temperature) are July and August (82°F).
The month with the lowest average high temperature is January (33°F).

  • Average low temperature in August: 46°F

The month with the highest average low temperature is July (48°F).
The coldest month (with the lowest average low temperature) is January (9°F).

Average rainfall in August - Boulder, MT
  • Average rainfall in August: 1.2"

The wettest month (with the highest rainfall) is June (2.1").
The driest month (with the lowest rainfall) is February (0.3").

Average daylight in August - Boulder, MT
  • Average daylight in August: 14.1h

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