December weather forecast
Sutter, CA

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Weather in December

The first month of the winter, December, is also a fresh month in Sutter, California, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 41.4°F (5.2°C).

Temperature

Sutter's December weather, with an average high temperature of 54.5°F (12.5°C) and an average low temperature of 41.4°F (5.2°C), tends to be the coldest of the year.

Humidity

The average relative humidity in December is 69%.

Rainfall

In December, the rain falls for 11.1 days. Throughout December, 3.03" (77mm) of precipitation is accumulated. Throughout the year, there are 75.1 rainfall days, and 17.09" (434mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:26 am and sunset at 4:54 pm PST.

Sunshine

With an average of 5.8h of sunshine, December has the least sunshine of the year.

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 health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Take necessary precautions - Suggestions to elude sunburn are provided. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What part of the year is the coldest?

December, with its average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C), holds the record as the coldest month.

What are the temperatures in December?

In Sutter, 54.5°F (12.5°C) is the average high-temperature and 41.4°F (5.2°C) is the average low-temperature during December. In June, the average heat index (a.k.a. 'real feel', 'feels like'), 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 December, the average relative humidity in Sutter is 69%.

How many days does it rain in December?

In Sutter, in December, during 11.1 rainfall days, 3.03" (77mm) of precipitation is typically accumulated.

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?

The average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:54 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.8h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December is 5.8h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Sutter, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sutter, CA

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

The warmest month (with the highest average high temperature) is July (97.2°F).
The month with the lowest average high temperature is December (54.5°F).

  • Average low temperature in December: 41.4°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

Average pressure in December
Sutter, CA

Average pressure in December - Sutter, 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
Sutter, CA

Average wind speed in December - Sutter, CA
  • Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).

Average humidity in December
Sutter, CA

Average humidity in December - Sutter, CA
  • Average humidity in December: 69%

The month with the highest relative humidity is March (73%).
The months with the lowest relative humidity are July and September (38%).

Average rainfall in December
Sutter, CA

Average rainfall in December - Sutter, CA
  • Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is February (3.07").
The driest months (with the least rainfall) are July and August (0.04").

Average rainfall days in December
Sutter, CA

Average rainfall days in December - Sutter, CA
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is March (13.8 days).
The month with the least rainy days is July (0.9 days).

Average daylight in December /
Average sunshine in December
Sutter, CA

Average daylight in December / Average sunshine in December - Sutter, 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 5min

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 48min).

Average sunshine days in December
Sutter, CA

Average sunshine days in December - Sutter, CA
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (16.2 days).

Average UV index in December
Sutter, CA

Average UV index in December - Sutter, 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
Sutter, CA

Average cloud cover in December - Sutter, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 4).

Average visibility in December
Sutter, CA

Average visibility in December - Sutter, 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).

Sutter, California, USA

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