December weather forecast
Benicia, CA

Weather in December

December, the first month of the winter in Benicia, is still a mild month, with an average temperature fluctuating between 55.4°F (13°C) and 42.3°F (5.7°C).

Temperature

December is the coldest month, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 42.3°F (5.7°C).

Humidity

In December, the average relative humidity is 70%.

Rainfall

In Benicia, during December, the rain falls for 7.2 days and regularly aggregates up to 0.79" (20mm) of precipitation. In Benicia, during the entire year, the rain falls for 48.9 days and collects up to 4.96" (126mm) of precipitation.

Daylight

The month with the shortest days is December, with an average of 9h and 35min of daylight.
On the first day of December in Benicia, sunrise is at 7:05 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:58 pm PST.

Sunshine

December has the least sunshine of the year, with an average of 5.7h of sunshine.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sunburn is recommended. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
[Resources]

FAQ

What is the coldest month in Benicia?

December is the coldest month in Benicia, California, with an average high-temperature of 55.4°F (13°C) and an average low-temperature of 42.3°F (5.7°C).

What is the temperature in December in Benicia?

The average high-temperature, in December, is 55.4°F (13°C), while the average low-temperature is 42.3°F (5.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 84.2°F (29°C).

What is the average humidity in December in Benicia?

In December, the average relative humidity is 70%.

How much does it rain in Benicia in December?

In December, in Benicia, California, the rain falls for 7.2 days. Throughout December, 0.79" (20mm) of precipitation is accumulated.

What is the month with the shortest days in Benicia?

With an average of 9h and 35min of daylight, December has the shortest days of the year in Benicia, California.

How many hours of daylight does Benicia have in December?

In Benicia, the average day length in December is 9h and 35min.

When is the sunrise / sunset in December in Benicia?

In December, on the first day of the month, sunrise is at 7:05 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:58 pm PST.

What is the month with the least sunshine in Benicia?

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

How long on average sun shines in December in Benicia?

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

What are the months with the lowest UV index in Benicia?

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

What is the UV index intensity in December in Benicia?

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Benicia, CA

Average temperature in December - Benicia, CA
  • Average high temperature in December: 55.4°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is December (55.4°F).

  • Average low temperature in December: 42.3°F

The month with the highest average low temperature is September (57.6°F).
The coldest months (with the lowest average low temperature) are January and December (42.3°F).

[Resources]

Average pressure in December
Benicia, CA

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

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

[Resources]

Average wind speed in December
Benicia, CA

Average wind speed in December - Benicia, CA
  • Average wind speed in December: 4.9mph

The windiest month (with the highest average wind speed) is May (7.4mph).
The calmest month (with the lowest average wind speed) is November (4.5mph).

[Resources]

Average humidity in December
Benicia, CA

Average humidity in December - Benicia, CA
  • Average humidity in December: 70%

The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are September and October (56%).

[Resources]

Average rainfall in December
Benicia, CA

Average rainfall in December - Benicia, CA
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is February (0.98").
The driest months (with the least rainfall) are July and August (0.04").

[Resources]

Average rainfall days in December
Benicia, CA

Average rainfall days in December - Benicia, CA
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is March (8.3 days).
The month with the least rainy days is August (1 days).

[Resources]

Average daylight in December /
Average sunshine in December
Benicia, CA

Average daylight in December / Average sunshine in December - Benicia, CA
  • Average daylight in December: 9h and 35min

The month with the longest days is June (Average daylight: 14h and 46min).
The month with the shortest days is December (Average daylight: 9h and 35min).

  • Average sunshine in December: 5h and 42min

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 42min).

[Resources]

Average sunshine days in December
Benicia, CA

Average sunshine days in December - Benicia, CA
  • Average sunshine days in December: 23.4 days

The month with the most sunshine days is July (29 days).
The months with the least sunshine days are February and March (22.1 days).

[Resources]

Average UV index in December
Benicia, CA

Average UV index in December - Benicia, CA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).

[Resources]

Average cloud cover in December
Benicia, CA

Average cloud cover in December - Benicia, CA
  • Average cloud cover in December: 36

The months with the most cloud cover are March and December (Cloud cover 36).
The month with the least cloud cover is July (Cloud cover 7).

[Resources]

Average visibility in December
Benicia, CA

Average visibility in December - Benicia, 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).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location