December weather forecast
Rancho Cordova, CA

Weather in December

The first month of the winter, December, is still a cool month in Rancho Cordova, California, with an average temperature ranging between max 54.1°F (12.3°C) and min 40.8°F (4.9°C).

Temperature

The coldest month is December, with an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 40.8°F (4.9°C).

Humidity

In December, the average relative humidity is 71%.

Rainfall

In Rancho Cordova, in December, it is raining for 8.9 days, with typically 1.77" (45mm) of accumulated precipitation. In Rancho Cordova, during the entire year, the rain falls for 67.3 days and collects up to 10.79" (274mm) of precipitation.

Snowfall

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

Daylight

With an average of 9h and 31min of daylight, December has the shortest days of the year in Rancho Cordova.
On the first day of December in Rancho Cordova, sunrise is at 7:04 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:53 pm PST.

Sunshine

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

UV index

The months with the lowest UV index are February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The average daily UV index of 3 in December transform into the following instructions:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the coldest month in Rancho Cordova?

December is the coldest month in Rancho Cordova, California, with an average high-temperature of 54.1°F (12.3°C) and an average low-temperature of 40.8°F (4.9°C).

What is the average humidity in December in Rancho Cordova?

The average relative humidity in December is 71%.

How much does it rain in Rancho Cordova in December?

In Rancho Cordova, during December, the rain falls for 8.9 days and regularly aggregates up to 1.77" (45mm) of precipitation.

What is the snowiest month in Rancho Cordova?

The month with the most snowfall days in Rancho Cordova, California, is December, when snow falls for 0.1 days.

When does it start to snow in Rancho Cordova?

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

What is the month with the shortest days in Rancho Cordova?

The month with the shortest days in Rancho Cordova is December, with an average of 9h and 31min of daylight.

How many hours of daylight does Rancho Cordova have in December?

The average day length in December in Rancho Cordova is 9h and 31min.

When are sunrise and sunset in December in Rancho Cordova?

On the first day of December in Rancho Cordova, California, sunrise is at 7:04 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:53 pm PST.

What is the month with the least sunshine in Rancho Cordova?

December has the least sunshine of the year in Rancho Cordova, California, with an average of 5.8h of sunshine.

How many hours of sunshine does Rancho Cordova have in December?

In Rancho Cordova, California, the average sunshine duration in December is 5.8h.

What are the months with the lowest UV index in Rancho Cordova?

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

How high is the UV index in December in Rancho Cordova?

The average daily maximum UV index in December in Rancho Cordova is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe 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
Rancho Cordova, CA

Average temperature in December - Rancho Cordova, CA
  • Average high temperature in December: 54.1°F

The warmest month (with the highest average high temperature) is July (94.5°F).
The month with the lowest average high temperature is December (54.1°F).

  • Average low temperature in December: 40.8°F

The months with the highest average low temperature are July and August (60.1°F).
The coldest month (with the lowest average low temperature) is December (40.8°F).

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Average pressure in December
Rancho Cordova, CA

Average pressure in December - Rancho Cordova, CA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

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Average wind speed in December
Rancho Cordova, CA

Average wind speed in December - Rancho Cordova, CA
  • Average wind speed in December: 5mph

The windiest month (with the highest average wind speed) is February (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.1mph).

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Average humidity in December
Rancho Cordova, CA

Average humidity in December - Rancho Cordova, CA
  • Average humidity in December: 71%

The month with the highest relative humidity is March (75%).
The months with the lowest relative humidity are July and September (43%).

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Average rainfall in December
Rancho Cordova, CA

Average rainfall in December - Rancho Cordova, CA
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is March (1.97").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
Rancho Cordova, CA

Average rainfall days in December - Rancho Cordova, CA
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is March (12 days).
The months with the least rainy days are June and July (1.3 days).

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Average snowfall days in December
Rancho Cordova, CA

Average snowfall days in December - Rancho Cordova, 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).

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Average daylight in December /
Average sunshine in December
Rancho Cordova, CA

Average daylight in December / Average sunshine in December - Rancho Cordova, CA
  • Average daylight in December: 9h and 31min

The month with the longest days is June (Average daylight: 14h and 49min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in December: 5h and 48min

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 48min).

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Average sunshine days in December
Rancho Cordova, CA

Average sunshine days in December - Rancho Cordova, CA
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is July (29.3 days).
The month with the least sunshine days is March (18.1 days).

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Average UV index in December
Rancho Cordova, CA

Average UV index in December - Rancho Cordova, 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 February, November and December (UV index 3).

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Average cloud cover in December
Rancho Cordova, CA

Average cloud cover in December - Rancho Cordova, CA
  • Average cloud cover in December: 35

The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is July (Cloud cover 4).

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Average visibility in December
Rancho Cordova, CA

Average visibility in December - Rancho Cordova, 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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