December weather forecast
Yuba City, CA

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Weather in December

December, the first month of the winter in Yuba City, is still a cool month, with an average temperature ranging between max 54.5°F (12.5°C) and min 41°F (5°C).

Temperature

December proves to be the coldest month, recording an average maximum temperature of 54.5°F (12.5°C) and a minimum temperature of 41°F (5°C).

Humidity

The average relative humidity in December is 70%.

Rainfall

In Yuba City, during December, the rain falls for 10 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Yuba City, during the entire year, the rain falls for 69.8 days and collects up to 10.79" (274mm) of precipitation.

Snowfall

December is the only month when snow falls. December has the most snowfall days of the year in Yuba City. Snow falls for 0.1 days.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:54 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.7h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: An average UV index of 3 in December transforms into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Aug 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What part of the year is the coldest?

The coldest temperatures occur during December, when averages reach a peak of 54.5°F (12.5°C) and a low of 41°F (5°C).

What is the usual temperature for Yuba City in December?

Yuba City in December has an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41°F (5°C). In June, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in December?

In Yuba City, the average relative humidity in December is 70%.

How many days does it rain in December?

In Yuba City, in December, it is raining for 10 days, with typically 1.85" (47mm) of accumulated precipitation.

What is the snowiest month?

December has the most snowfall days of the year. Snow falls for 0.1 days.

When does it start snowing?

December is the first month it typically snows. Throughout December, there are 0.1 snowfall days.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In Yuba City, the average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

On the first day of December in Yuba City, California, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm PST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 5.7h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 5.7h.

What is the month with the lowest UV index?

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health risk from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Yuba City, CA

Average temperature in December - Yuba City, CA
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 41°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (41°F).

Average pressure in December
Yuba City, CA

Average pressure in December - Yuba City, CA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Yuba City, CA

Average wind speed in December - Yuba City, CA
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).

Average humidity in December
Yuba City, CA

Average humidity in December - Yuba City, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (38%).

Average rainfall in December
Yuba City, CA

Average rainfall in December - Yuba City, CA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is March (2.17").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in December
Yuba City, CA

Average rainfall days in December - Yuba City, CA
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (0.9 days).

Average snowfall days in December
Yuba City, CA

Average snowfall days in December - Yuba City, CA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Yuba City, CA

Average daylight in December / Average sunshine in December - Yuba City, CA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 4min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

Average sunshine days in December
Yuba City, CA

Average sunshine days in December - Yuba City, CA
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (16.8 days).

Average UV index in December
Yuba City, CA

Average UV index in December - Yuba City, CA
  • Average UV index in December: 3

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).

Average cloud cover in December
Yuba City, CA

Average cloud cover in December - Yuba City, CA
  • Average cloud cover in December: 36

The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Yuba City, CA

Average visibility in December - Yuba City, CA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Yuba City, California, USA

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