Ukiah
Oregon, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Ukiah, OR

December, the first month of the winter, in Ukiah, is still a cold month, with temperature in the range of an average high of 37.9°F (3.3°C) and an average low of 17.4°F (-8.1°C).

Temperature

In December, the average high-temperature slightly decreases, from a chilly 46.8°F (8.2°C) in November, to a wintry 37.9°F (3.3°C). In Ukiah, the average low-temperature is 17.4°F (-8.1°C).

Rainfall

The month with the most rainfall in Ukiah is December when the rain falls for 12 days and typically aggregates up to 2.1" (54.4mm) of precipitation.

Snowfall

Months with snowfall are January through May, September through December.

Daylight

December has the shortest days of the year, with an average of 8.8h of daylight.

What is the temperature in December in Ukiah?

In Ukiah, Oregon, in December, the average high-temperature is 37.9°F (3.3°C), and the average low-temperature is 17.4°F (-8.1°C).

How many days does it rain in December in Ukiah?

In Ukiah, during December, the rain falls for 12 days and regularly aggregates up to 2.1" (54.4mm) of precipitation.

What is the rainiest month in Ukiah?

The month with the most rainfall in Ukiah, Oregon, is December when the rain falls for 12 days and typically aggregates up to 2.1" (54.4mm) of precipitation.

How much does it snow in Ukiah in December?

In Ukiah, Oregon, in December, 8.8" (223.5mm) of snow is typically accumulated.

What is the month with the shortest days in Ukiah?

With an average of 8.8h of daylight, December has the shortest days of the year in Ukiah, Oregon.

How many hours of daylight does Ukiah have in December?

In Ukiah, the average length of the day in December is 8.8h.
Average temperature in December - Ukiah, OR
  • Average high temperature in December: 37.9°F

The warmest month (with the highest average high temperature) is July (83.2°F).
The month with the lowest average high temperature is January (35.6°F).

  • Average low temperature in December: 17.5°F

The month with the highest average low temperature is July (39.7°F).
The coldest month (with the lowest average low temperature) is January (13.9°F).

Average rainfall in December - Ukiah, OR
  • Average rainfall in December: 2.1"

The wettest month (with the highest rainfall) is December (2.1").
The driest month (with the lowest rainfall) is July (0.5").

Average rainfall days in December - Ukiah, OR
  • Average rainfall days in December: 12 days

Months with the highest number of rainy days are January and December (12 days).
The month with the lowest number of rainy days is July (3 days).

Average snowfall in December - Ukiah, OR
  • Average snowfall in December: 8.8"

The month with the highest snowfall is January (11.4").
Months with the lowest snowfall are June, July and August (0").

Average daylight in December - Ukiah, OR
  • Average daylight in December: 8.8h

The month with the longest days is June (Average daylight: 15.6h).
The month with shortest days is December (Average daylight: 8.8h).