December weather forecast
El Roble, CA

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Weather in December

December, the first month of the winter in El Roble, is also a fresh month, with an average temperature fluctuating between 37.4°F (3°C) and 53.6°F (12°C).

Temperature

El Roble experiences its lowest temperatures in December, with an average peak of 53.6°F (12°C) and a low of 37.4°F (3°C).

Humidity

The average relative humidity in December is 76%.

Rainfall

The months with the most rainfall are February and December, with an average 3.11" (79mm) of precipitation.

Snowfall

In El Roble, California, snow does not fall in January, March through December.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:13 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:31 am and sunset at 5:00 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5.3h of sunshine.

UV index

The average daily maximum UV index in December in El Roble is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for average individuals.
Note: The daily high UV index of 3 during December translates into the following recommendations:
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.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What month is the coldest?

El Roble notes the coldest temperatures in December, with a average high of 53.6°F (12°C) and a low of 37.4°F (3°C).

What is the temperature in December?

In El Roble, in December, the average high-temperature is 53.6°F (12°C), and the average low-temperature is 37.4°F (3°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 82.4°F (28°C).

What is the average humidity in December?

In El Roble, the average relative humidity in December is 76%.

What is the rainiest month?

The wettest months are February and December, with an average 3.11" (79mm) of rainfall.

How much does it rain in December?

In El Roble, in December, it is raining for 12.5 days, with typically 3.11" (79mm) of accumulated precipitation.

When it does not snow?

In El Roble, snow does not fall in January, March through December.

What is the month with the shortest days?

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

What is the average length of the day in December?

In El Roble, the average day length in December is 9h and 29min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:13 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 5:00 pm PST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5.3h of sunshine.

How long on average sun shines in December?

In El Roble, the average sunshine duration in December is 5.3h.

What is the UV index intensity in December in El Roble?

The average daily maximum UV index in December is 3. A UV Index estimate 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 Roble, CA

Average temperature in December - El Roble, CA
  • Average high temperature in December: 53.6°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is December (53.6°F).

  • Average low temperature in December: 37.4°F

The month with the highest average low temperature is July (53.6°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).

Average pressure in December
El Roble, CA

Average pressure in December - El Roble, CA
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).

Average wind speed in December
El Roble, CA

Average wind speed in December - El Roble, CA
  • Average wind speed in December: 4.5mph

The windiest months (with the highest average wind speed) are April, May and June (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).

Average humidity in December
El Roble, CA

Average humidity in December - El Roble, CA
  • Average humidity in December: 76%

The month with the highest relative humidity is March (79%).
The months with the lowest relative humidity are July and September (58%).

Average rainfall in December
El Roble, CA

Average rainfall in December - El Roble, CA
  • Average rainfall in December: 3.11"

The wettest months (with the highest rainfall) are February and December (3.11").
The driest months (with the least rainfall) are July and August (0.08").

Average rainfall days in December
El Roble, CA

Average rainfall days in December - El Roble, CA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (1.3 days).

Average snowfall in December
El Roble, CA

Average snowfall in December - El Roble, CA
  • Average snowfall in December: 0"

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

Average snowfall days in December
El Roble, CA

Average snowfall days in December - El Roble, CA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.3 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
El Roble, CA

Average daylight in December / Average sunshine in December - El Roble, CA
  • Average daylight in December: 9h and 3min

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 30min).

  • 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).

Average sunshine days in December
El Roble, CA

Average sunshine days in December - El Roble, CA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (15.9 days).

Average UV index in December
El Roble, CA

Average UV index in December - El Roble, CA
  • Average UV index in December: 3

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

Average cloud cover in December
El Roble, CA

Average cloud cover in December - El Roble, CA
  • Average cloud cover in December: 42

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 6).

Average visibility in December
El Roble, CA

Average visibility in December - El Roble, CA
  • Average visibility in December: 5mi

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

El Roble, California, USA

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