December weather forecast
Dixon, CA

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Weather in December

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

Humidity

In December, the average relative humidity in Dixon is 71%.

Rainfall

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

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:06 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:56 pm PST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.
Note: The UV index of 3 during December leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Frequently asked questions

What is the coldest time of year in Dixon?

December is the month when Dixon sees the average lowest temperatures, with a high of 54.5°F (12.5°C) and a low of 41.4°F (5.2°C).

What is the temperature in December in Dixon?

Dixon in December has an average high-temperature of 54.5°F (12.5°C) and an average low-temperature of 41.4°F (5.2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 91.4°F (33°C).

What is the average humidity in December in Dixon?

In December, the average relative humidity in Dixon, California, is 71%.

How many days does it rain in December in Dixon?

In Dixon, California, in December, during 8.4 rainfall days, 1.26" (32mm) of precipitation is typically accumulated.

What is the month with the shortest days in Dixon?

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

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

The average day length in December is 9h and 32min.

When is the sunrise / sunset in December in Dixon?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:46 pm. On the last day of the month, in Dixon, sunrise is at 7:24 am and sunset at 4:56 pm PST.

What is the month with the least sunshine in Dixon?

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

How many hours of sunshine does Dixon have in December?

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

What are the months with 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.

What is the UV index reading in December in Dixon?

The average daily maximum UV index in December in Dixon, California, is 3. A UV Index of 3 to 5 symbolizes a medium hazard to health 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
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"Hg

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

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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).
The 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: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
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 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).

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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

The 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).
The 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

The 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

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).

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Dixon, California, USA

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