December weather forecast
El Dorado Hills, CA

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Weather in December

December, the first month of the winter in El Dorado Hills, is also a fresh month, with temperature in the range of an average high of 54°F (12.2°C) and an average low of 39.6°F (4.2°C).

Temperature

In El Dorado Hills, the lowest average temperatures are observed in December, with a high of 54°F (12.2°C) and a low of 39.6°F (4.2°C).

Humidity

In El Dorado Hills, the average relative humidity in December is 69%.

Rainfall

In El Dorado Hills, in December, it is raining for 11.3 days, with typically 3.78" (96mm) of accumulated precipitation. In El Dorado Hills, during the entire year, the rain falls for 81.2 days and collects up to 22.64" (575mm) of precipitation.

Snowfall

Months with snowfall are February and December. The months with the most snowfall are February and December, with an average 0.04" (1mm) of accumulated snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December in El Dorado Hills, sunrise is at 7:04 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:22 am and sunset at 4:53 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 5.8h 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 estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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Frequently asked questions

What time of the year is the coldest in El Dorado Hills?

The coldest period is December, when temperatures fluctuate between an average high of 54°F (12.2°C) and a low of 39.6°F (4.2°C).

What is the average December temperature in El Dorado Hills?

In El Dorado Hills, 54°F (12.2°C) is the average high-temperature and 39.6°F (4.2°C) is the average low-temperature during December. In September, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December in El Dorado Hills?

In El Dorado Hills, California, the average relative humidity in December is 69%.

How many days does it rain in December in El Dorado Hills?

In December, the rain falls for 11.3 days. Throughout December, 3.78" (96mm) of precipitation is accumulated.

What is the snowiest month in El Dorado Hills?

The months with the most snowfall in El Dorado Hills are February and December, with an average 0.04" (1mm) of accumulated snow.

When does it start to snow in El Dorado Hills?

December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in El Dorado Hills?

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

How many hours of daylight does El Dorado Hills have in December?

The average day length in December in El Dorado Hills is 9h and 31min.

When are sunrise and sunset in December in El Dorado Hills?

On the first day of December in El Dorado Hills, California, sunrise is at 7:04 am and sunset at 4:43 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 El Dorado Hills?

December has the least sunshine of the year in El Dorado Hills, California, with an average of 5.8h of sunshine.

How many hours of sunshine does El Dorado Hills have in December?

In December, the average sunshine duration in El Dorado Hills, California, is 5.8h.

What is the month with the lowest UV index in El Dorado Hills?

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

How high is the UV index in December in El Dorado Hills?

In El Dorado Hills, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
El Dorado Hills, CA

Average temperature in December - El Dorado Hills, CA
  • Average high temperature in December: 54°F

The warmest month (with the highest average high temperature) is July (93°F).
The month with the lowest average high temperature is December (54°F).

  • Average low temperature in December: 39.6°F

The month with the highest average low temperature is July (60.3°F).
The coldest month (with the lowest average low temperature) is December (39.6°F).

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Average pressure in December
El Dorado Hills, CA

Average pressure in December - El Dorado Hills, 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).

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Average wind speed in December
El Dorado Hills, CA

Average wind speed in December - El Dorado Hills, CA
  • Average wind speed in December: 4.8mph

The windiest month (with the highest average wind speed) is February (5.5mph).
The calmest months (with the lowest average wind speed) are August and September (4mph).

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Average humidity in December
El Dorado Hills, CA

Average humidity in December - El Dorado Hills, CA
  • Average humidity in December: 69%

The month with the highest relative humidity is March (74%).
The month with the lowest relative humidity is July (40%).

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Average rainfall in December
El Dorado Hills, CA

Average rainfall in December - El Dorado Hills, CA
  • Average rainfall in December: 3.78"

The wettest month (with the highest rainfall) is March (4.33").
The driest months (with the least rainfall) are July and August (0.04").

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Average rainfall days in December
El Dorado Hills, CA

Average rainfall days in December - El Dorado Hills, CA
  • Average rainfall days in December: 11.3 days

The month with the highest number of rainy days is March (14.6 days).
The month with the least rainy days is July (1 days).

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Average snowfall in December
El Dorado Hills, CA

Average snowfall in December - El Dorado Hills, CA
  • Average snowfall in December: 0.04"

The months with the highest snowfall are February and December (0.04").
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
El Dorado Hills, CA

Average snowfall days in December - El Dorado Hills, CA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is December (0.2 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).

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Average daylight in December /
Average sunshine in December
El Dorado Hills, CA

Average daylight in December / Average sunshine in December - El Dorado Hills, 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 5min

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
El Dorado Hills, CA

Average sunshine days in December - El Dorado Hills, CA
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is July (29.2 days).
The month with the least sunshine days is March (15.7 days).

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Average UV index in December
El Dorado Hills, CA

Average UV index in December - El Dorado Hills, 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).

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Average cloud cover in December
El Dorado Hills, CA

Average cloud cover in December - El Dorado Hills, CA
  • Average cloud cover in December: 34

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
El Dorado Hills, CA

Average visibility in December - El Dorado Hills, 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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El Dorado Hills, California, USA

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