December weather forecast and climate
Dixon, CA

Weather in December

December, the first month of the winter, in Dixon, is still a cool month, with average temperature fluctuating between 41.4°F (5.2°C) and 54.5°F (12.5°C).

Temperature

With an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C), December is the coldest month.

Humidity

In December, the average relative humidity is 71%.

Rainfall

In Dixon, it is raining for 8.4 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, in Dixon, California, there are 59.1 rainfall days, and 7.95" (202mm) of precipitation is accumulated.

Daylight

December has the shortest days of the year, with an average of 9.5h of daylight.

Sunshine

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

UV index

Months with the lowest UV index in Dixon are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV rays for average individuals.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
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FAQ

What is the coldest month in Dixon?

December is the coldest month in Dixon, California, with an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C).

What is the temperature in December in Dixon?

In December, in Dixon, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 41.4°F (5.2°C).

What is the average humidity in December in Dixon?

In December, the average relative humidity is 71%.

How many days does it rain in December in Dixon?

In Dixon, during December, the rain falls for 8.4 days and regularly aggregates up to 1.26" (32mm) of precipitation.

What is the month with the shortest days in Dixon?

The month with the shortest days is December, with an average of 9.5h of daylight.

How many hours of daylight does Dixon have in December?

The average length of the day in December in Dixon is 9.5h.

What is the month with the least sunshine in Dixon?

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

How many hours of sunshine does Dixon have in December?

In Dixon, California, the average sunshine in December is 5.7h.

When is the lowest UV index in Dixon?

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

What is the UV index intensity in December in Dixon?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from the exposure to the Sun's UV radiation.

Average temperature in December
Dixon, CA

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

The warmest month (with the highest average high temperature) is July (92.3°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 August (58.5°F).
The coldest month (with the lowest average low temperature) is December (41.4°F).

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Average pressure in December
Dixon, CA

Average pressure in December - Dixon, CA
  • Average pressure in December: 30.12"

The month with the highest atmospheric pressure is January (30.14").
Months with the lowest atmospheric pressure are June and August (29.91").

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Average wind speed in December
Dixon, CA

Average wind speed in December - Dixon, CA
  • Average wind speed in December: 5.5mph

The windiest months (with the highest average wind speed) are May and June (6.6mph).
The calmest months (with the lowest average wind speed) are January and November (5mph).

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Average humidity in December
Dixon, CA

Average humidity in December - Dixon, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (76%).
The month with the lowest relative humidity is September (47%).

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Average rainfall in December
Dixon, CA

Average rainfall in December - Dixon, CA
  • Average rainfall in December: 1.26"

The wettest month (with the highest rainfall) is February (1.57").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Dixon, CA

Average rainfall days in December - Dixon, CA
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is March (10.2 days).
Months with the least rainy days are July and August (1.3 days).

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

Average daylight in December / Average sunshine in December - Dixon, CA
  • Average daylight in December: 9.5h

The month with the longest days is June (Average daylight: 14.8h).
The month with the shortest days is December (Average daylight: 9.5h).

  • Average sunshine in December: 5.7h

The month with the most sunshine is July (Average sunshine: 12.1h).
The month with the least sunshine is December (Average sunshine: 5.7h).

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Average sunshine days in December
Dixon, CA

Average sunshine days in December - Dixon, CA
  • Average sunshine days in December: 22.8 days

Months with the most sunshine days are July and August (29.3 days).
The month with the least sunshine days is March (19.7 days).

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Average UV index in December
Dixon, CA

Average UV index in December - Dixon, CA
  • Average UV index in December: 3

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

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Average cloud cover in December
Dixon, CA

Average cloud cover in December - Dixon, CA
  • Average cloud cover in December: 37

Months with the most cloud cover are March and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 6).

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Average visibility in December
Dixon, CA

Average visibility in December - Dixon, CA
  • Average visibility in December: 6mi

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

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