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

December weather forecast and climate
Eureka, MT

December, the first month of the winter, in Eureka, is still a freezing cold month, with temperature in the range of an average high of 30.9°F (-0.6°C) and an average low of 18°F (-7.8°C).

Temperature

In Eureka, Montana, the average high-temperature in December decreases, from a cold 39.9°F (4.4°C) in November, to a subzero cold 30.9°F (-0.6°C). In December, in Eureka, the average low-temperature is 18°F (-7.8°C).

Rainfall

During December, Eureka regularly aggregates up to 1.1" (29mm) of precipitation. During the entire year, Eureka aggregates up to 14.8" (376.1mm) of precipitation.

Daylight

With an average of 8.3h of daylight, December has the shortest days of the year.

Sunshine

The month with the least sunshine is December, with an average of 1.3h of sunshine.

What is the temperature in December in Eureka?

In Eureka, Montana, in December, the average high-temperature is 30.9°F (-0.6°C), and the average low-temperature is 18°F (-7.8°C).

How much does it rain in Eureka in December?

During December, Eureka regularly aggregates up to 1.1" (29mm) of precipitation.

What is the month with the shortest days in Eureka?

The month with the shortest days in Eureka, Montana, is December, with an average of 8.3h of daylight.

How many hours of daylight does Eureka have in December?

In December, the average length of the day in Eureka is 8.3h.

What is the month with the least sunshine in Eureka?

December has the least sunshine of the year, with an average of 1.3h of sunshine.

How many hours of sunshine does Eureka have in December?

In Eureka, the average sunshine in December is 1.3h.
Average temperature in December - Eureka, MT
  • Average high temperature in December: 31°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 December: 18°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 December - Eureka, MT
  • Average rainfall in December: 1.1"

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 December / Average sunshine in December - Eureka, MT
  • Average daylight in December: 8.3h

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 December: 1.3h

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