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

October weather forecast and climate
Roundup, MT

October, like September, in Roundup, Montana, is another enjoyable autumn month, with average temperature ranging between max 62.4°F (16.9°C) and min 34°F (1.1°C).

Temperature

In October, the average high-temperature drops, from a moderately hot 76.5°F (24.7°C) in September, to a comfortable 62.4°F (16.9°C). In Roundup, the average low-temperature is 34°F (1.1°C).

Rainfall

Throughout October, 1" (25.9mm) of precipitation is accumulated. During the entire year, Roundup aggregates up to 13.5" (343.1mm) of precipitation.

Snowfall

Months with snowfall in Roundup are January through May, October through December. October is the first month it typically snows. Throughout October, Roundup receives 0.5" (12.7mm) of snow. Throughout the year, 22.3" (566.4mm) of snow is accumulated.

Daylight

The average length of the day in October in Roundup is 10.9h.

What is the temperature in October in Roundup?

In October, the average high-temperature is 62.4°F (16.9°C), and the average low-temperature is 34°F (1.1°C).

How much does it rain in Roundup in October?

In Roundup, Montana, in October, 1" (25.9mm) of precipitation is typically accumulated.

When does it start snowing in Roundup?

October is the first month it typically snows. Throughout October, Roundup receives 0.5" (12.7mm) of snow.

What is the average length of the day in October in Roundup?

In Roundup, Montana, the average length of the day in October is 10.9h.
Average temperature in October - Roundup, MT
  • Average high temperature in October: 62.5°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 October: 34°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 October - Roundup, MT
  • Average rainfall in October: 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 October - Roundup, MT
  • Average snowfall in October: 0.5"

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 October - Roundup, MT
  • Average daylight in October: 10.9h

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