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

October weather forecast and climate
Eureka, MT

October, like September, is another mild autumn month in Eureka, Montana, with average temperature fluctuating between 57.9°F (14.4°C) and 33.1°F (0.6°C).


In Eureka, the average high-temperature in October plummets, from an agreeable 73°F (22.8°C) in September, to a mild 57.9°F (14.4°C). In October, in Eureka, the average low-temperature is 33.1°F (0.6°C).


Throughout October, 1" (24.9mm) of precipitation is accumulated. Throughout the year, in Eureka, 14.8" (376.1mm) of rain is accumulated.


In Eureka, the average length of the day is 10.8h.


The average sunshine in October in Eureka is 4.4h.

What is the temperature in October in Eureka?

In Eureka, in October, the average high-temperature is 57.9°F (14.4°C), and the average low-temperature is 33.1°F (0.6°C).

How much does it rain in Eureka in October?

During October, Eureka regularly aggregates up to 1" (24.9mm) of precipitation.

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

In October, the average length of the day in Eureka, Montana, is 10.8h.

How many hours of sunshine does Eureka have in October?

In October, the average sunshine in Eureka, Montana, is 4.4h.
Average temperature in October - Eureka, MT
  • Average high temperature in October: 58°F

Warmest months (with the highest average high temperature) are July and August (84°F).
The month with the lowest average high temperature is January (30°F).

  • Average low temperature in October: 33°F

The month with the highest average low temperature is July (50°F).
The coldest month (with the lowest average low temperature) is January (15°F).

Average rainfall in October - Eureka, MT
  • Average rainfall in October: 1"

The wettest month (with the highest rainfall) is June (2.1").
Driest months (with the lowest rainfall) are February and March (0.8").

Average daylight in October / Average sunshine in October - Eureka, MT
  • Average daylight in October: 10.8h

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.3h).

  • Average sunshine in October: 4.4h

The month with most sunshine is July (Average sunshine: 12h).
The month with least sunshine is December (Average sunshine: 1.3h).