December weather forecast
Dos Rios, CA

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Weather in December

The first month of the winter, December, is also a fresh month in Dos Rios, California, with an average temperature ranging between min 35.2°F (1.8°C) and max 51.3°F (10.7°C).

Temperature

December is the coldest month, with an average high-temperature of 51.3°F (10.7°C) and an average low-temperature of 35.2°F (1.8°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

In December, in Dos Rios, the rain falls for 8.3 days. Throughout December, 1.69" (43mm) of precipitation is accumulated. Throughout the year, in Dos Rios, there are 61.6 rainfall days, and 10.47" (266mm) of precipitation is accumulated.

Snowfall

In Dos Rios, snow does not fall in April through October and December.

Daylight

December has the shortest days of the year in Dos Rios, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:15 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:59 pm PST.

Sunshine

With an average of 5.3h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 2 in December transforms into this advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
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Frequently asked questions

What time of the year is the coldest in Dos Rios?

In Dos Rios, December is the month with the lowest recorded average temperatures, measuring a high of 51.3°F (10.7°C) and a low of 35.2°F (1.8°C).

What is the usual temperature for Dos Rios in December?

The average high-temperature, in December, in Dos Rios, is 51.3°F (10.7°C), while the average low-temperature is 35.2°F (1.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is evaluated at 82.4°F (28°C).

What is the average humidity in December in Dos Rios?

In December, the average relative humidity in Dos Rios, California, is 76%.

How much does it rain in Dos Rios in December?

In Dos Rios, California, during December, the rain falls for 8.3 days and regularly aggregates up to 1.69" (43mm) of precipitation.

When it does not snow in Dos Rios?

In Dos Rios, California, snow does not fall in April through October and December.

Does it snow in Dos Rios in December?

In December, in Dos Rios, California, it doesn't snow. November is the latest month when it typically snows.

What is the month with the shortest days in Dos Rios?

December has the shortest days of the year in Dos Rios, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Dos Rios?

In Dos Rios, California, the average day length in December is 9h and 25min.

When is the sunrise / sunset in December in Dos Rios?

In December, on the first day of the month, sunrise is at 7:15 am and sunset at 4:49 pm. On the last day of the month, in Dos Rios, California, sunrise is at 7:34 am and sunset at 4:59 pm PST.

What is the month with the least sunshine in Dos Rios?

With an average of 5.3h of sunshine, December has the least sunshine of the year in Dos Rios, California.

How many hours of sunshine does Dos Rios have in December?

The average sunshine duration in December is 5.3h.

When is the lowest UV index in Dos Rios?

The months with the lowest UV index in Dos Rios are February, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Dos Rios?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Dos Rios, CA

Average temperature in December - Dos Rios, CA
  • Average high temperature in December: 51.3°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is December (51.3°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (53.4°F).
The coldest months (with the lowest average low temperature) are February, March and December (35.2°F).

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Average pressure in December
Dos Rios, CA

Average pressure in December - Dos Rios, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.92"Hg).

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Average wind speed in December
Dos Rios, CA

Average wind speed in December - Dos Rios, CA
  • Average wind speed in December: 4.2mph

The windiest months (with the highest average wind speed) are March and April (4.6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

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Average humidity in December
Dos Rios, CA

Average humidity in December - Dos Rios, CA
  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is July (54%).

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Average rainfall in December
Dos Rios, CA

Average rainfall in December - Dos Rios, CA
  • Average rainfall in December: 1.69"

The wettest month (with the highest rainfall) is February (2.28").
The driest months (with the least rainfall) are July, August and September (0.08").

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Average rainfall days in December
Dos Rios, CA

Average rainfall days in December - Dos Rios, CA
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is March (10.3 days).
The months with the least rainy days are August and September (1.8 days).

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Average snowfall in December
Dos Rios, CA

Average snowfall in December - Dos Rios, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (1.02").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").

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Average snowfall days in December
Dos Rios, CA

Average snowfall days in December - Dos Rios, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).

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Average daylight in December /
Average sunshine in December
Dos Rios, CA

Average daylight in December / Average sunshine in December - Dos Rios, CA
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).

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Average sunshine days in December
Dos Rios, CA

Average sunshine days in December - Dos Rios, CA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (20.2 days).

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Average UV index in December
Dos Rios, CA

Average UV index in December - Dos Rios, CA
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are February, November and December (UV index 2).

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Average cloud cover in December
Dos Rios, CA

Average cloud cover in December - Dos Rios, CA
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 47).
The months with the least cloud cover are July and August (Cloud cover 6).

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Average visibility in December
Dos Rios, CA

Average visibility in December - Dos Rios, CA
  • Average visibility in December: 5mi

The months with the highest visibility are May, June, July, August, September and October (6mi).
The months with the lowest visibility are January, February, March, April, November and December (5mi).

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Dos Rios, California, USA

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