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

August weather forecast and climate
Roundup, MT

August, the last month of the summer, in Roundup, is another hot month, with average temperature fluctuating between 53.4°F (11.9°C) and 88.2°F (31.2°C).

Temperature

In Roundup, Montana, the average high-temperature is relatively the same as in July - a still hot 88.2°F (31.2°C). In Roundup, the average low-temperature is 53.4°F (11.9°C).

Rainfall

In Roundup, in August, 1.1" (29mm) of precipitation is typically accumulated. Throughout the year, in Roundup, 13.5" (343.1mm) of rain is accumulated.

Snowfall

June through September are months without snowfall in Roundup.

Daylight

In Roundup, the average length of the day in August is 14.1h.

What is the temperature in August in Roundup?

The average high-temperature, in August, in Roundup, is 88.2°F (31.2°C), while the average low-temperature is 53.4°F (11.9°C).

How much does it rain in Roundup in August?

In Roundup, Montana, in August, 1.1" (29mm) of precipitation is typically accumulated.

When it does not snow in Roundup?

June through September are months without snowfall in Roundup.

How many hours of daylight does Roundup have in August?

In August, the average length of the day in Roundup is 14.1h.
Average temperature in August - Roundup, MT
  • Average high temperature in August: 88.1°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is December (37.8°F).

  • Average low temperature in August: 53.5°F

The month with the highest average low temperature is July (55.5°F).
The coldest month (with the lowest average low temperature) is December (15.2°F).

Average rainfall in August - Roundup, MT
  • Average rainfall in August: 1.1"

The wettest month (with the highest rainfall) is June (2.6").
Driest months (with the lowest rainfall) are January and February (0.3").

Average snowfall in August - Roundup, MT
  • Average snowfall in August: 0"

Months with the highest snowfall are January and December (5.3").
Months with the lowest snowfall are June, July, August and September (0").

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

The month with the longest days is June (Average daylight: 15.8h).
The month with shortest days is December (Average daylight: 8.7h).