Caldwell
Idaho, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Caldwell, ID

A small, calm river flows via a scenic nature park full of trees in the city of Caldwell, Idaho, on a hot and sunny day with a clear sky
A small, calm river flows via a scenic nature park full of trees in the city of Caldwell, Idaho, on a hot and sunny day with a clear sky
December, the first month of the winter, in Caldwell, is also a wintry month, with average temperature ranging between min 21.4°F (-5.9°C) and max 37.9°F (3.3°C).

Temperature

In December, the average high-temperature drops, from a chilly 49.3°F (9.6°C) in November, to a wintry 37.9°F (3.3°C). In Caldwell, the average low-temperature is 21.4°F (-5.9°C).

Rainfall

Throughout December, 1.4" (35.3mm) of precipitation is accumulated. During the entire year, Caldwell aggregates up to 11.4" (289.6mm) of precipitation.

Daylight

With an average of 9h of daylight, December has the shortest days of the year in Caldwell.

What is the temperature in December in Caldwell?

In Caldwell, Idaho, in December, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 21.4°F (-5.9°C).

How much does it rain in Caldwell in December?

In Caldwell, in December, 1.4" (35.3mm) of precipitation is typically accumulated.

What is the month with the shortest days in Caldwell?

December has the shortest days of the year in Caldwell, Idaho, with an average of 9h of daylight.

How many hours of daylight does Caldwell have in December?

In December, the average length of the day in Caldwell is 9h.
Average temperature in December - Caldwell, ID
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (92.6°F).
The month with the lowest average high temperature is January (37.1°F).

  • Average low temperature in December: 21.3°F

The month with the highest average low temperature is July (58.1°F).
The coldest month (with the lowest average low temperature) is January (21.1°F).

Average rainfall in December - Caldwell, ID
  • Average rainfall in December: 1.4"

The wettest month (with the highest rainfall) is January (1.6").
The driest month (with the lowest rainfall) is July (0.3").

Average daylight in December - Caldwell, ID
  • Average daylight in December: 9h

The month with the longest days is June (Average daylight: 15.4h).
The month with shortest days is December (Average daylight: 9h).