Redding
California, USA
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Redding, CA

December, the first month of the winter, in Redding, is still a cool month, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 36.3°F (2.4°C).

Temperature

December is the coldest month, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 36.3°F (2.4°C).

Rainfall

The month with the most rainfall in Redding, California, is December when the rain falls for 10.2 days and typically aggregates up to 6.3" (159.3mm) of precipitation.

Daylight

December has the shortest days of the year in Redding, with an average of 9.3h of daylight.

Sunshine

December has the least sunshine of the year, with an average of 6.6h of sunshine.

UV index

With an average maximum UV index of 1, December is the month with the lowest UV index in Redding. A UV Index value of 2, and less, symbolizes a low threat to health from the exposure to the Sun's UV rays for the ordinary person.
In December, the average maximum UV index of 1 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.

What is the coldest month in Redding?

The coldest month in Redding, California, is December, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 36.3°F (2.4°C).

What is the temperature in December in Redding?

In December, in Redding, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 36.3°F (2.4°C).

How many days does it rain in December in Redding?

In Redding, in December, during 10.2 rainfall days, 6.3" (159.3mm) of precipitation is typically accumulated.

What is the rainiest month in Redding?

December is the month with the most rainfall in Redding. Rain falls for 10.2 days and accumulates 6.3" (159.3mm) of precipitation.

What is the month with the shortest days in Redding?

With an average of 9.3h of daylight, December has the shortest days of the year.

What is the average length of the day in December in Redding?

The average length of the day in December is 9.3h.

What is the month with the least sunshine in Redding?

With an average of 6.6h of sunshine, December has the least sunshine of the year in Redding.

How long on average sun shines in December in Redding?

The average sunshine in December is 6.6h.

When is the lowest UV index in Redding?

With an average maximum UV index of 1, December is the month with the lowest UV index.

What is the UV index reading in December in Redding?

In Redding, California, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.
Average temperature in December - Redding, CA
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (98.4°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 36.3°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is December (36.3°F).

Average rainfall in December - Redding, CA
  • Average rainfall in December: 6.3"

The wettest month (with the highest rainfall) is December (6.3").
The driest month (with the lowest rainfall) is July (0.1").

Average rainfall days in December - Redding, CA
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is January (13.1 days).
The month with the lowest number of rainy days is July (0.6 days).

Average daylight in December / Average sunshine in December - Redding, CA
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 6.6h

The month with most sunshine is July (Average sunshine: 14.5h).
The month with least sunshine is December (Average sunshine: 6.6h).

Average UV index in December - Redding, CA
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).