December weather forecast
Carlotta, CA

Share

Weather in December

The first month of the winter, December, is still a cool month in Carlotta, California, with temperature in the range of an average low of 40.1°F (4.5°C) and an average high of 52.9°F (11.6°C).

Temperature

In Carlotta, the lowest average temperatures are observed in December, with a high of 52.9°F (11.6°C) and a low of 40.1°F (4.5°C).

Humidity

The average relative humidity in December in Carlotta is 81%.

Rainfall

December is the month with the most rainfall. Rain falls for 14.8 days and accumulates 4.96" (126mm) of precipitation.

Snowfall

January, March through December are months without snowfall.

Daylight

With an average of 9h and 18min of daylight, December has the shortest days of the year in Carlotta.
On the first day of the month, sunrise is at 7:21 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:39 am and sunset at 4:59 pm PST.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Carlotta. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 3 in December translates into the following recommendations:
Ensure safety - Recommendations to avert sunburn are presented. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
[Resources]

Frequently asked questions

What is the coldest time of year in Carlotta?

Carlotta's December weather, marked by an average high temperature of 52.9°F (11.6°C) and an average low temperature of 40.1°F (4.5°C), is the coldest in the year.

What is the average December temperature in Carlotta?

During December, Carlotta experiences an average high-temperature of 52.9°F (11.6°C) and a low-temperature of 40.1°F (4.5°C).

What is the average humidity in December in Carlotta?

In December, the average relative humidity in Carlotta, California, is 81%.

What is the wettest month in Carlotta?

December is the month with the most rainfall in Carlotta, California. Rain falls for 14.8 days and accumulates 4.96" (126mm) of precipitation.

How much does it rain in Carlotta in December?

In Carlotta, in December, it is raining for 14.8 days, with typically 4.96" (126mm) of accumulated precipitation.

When it does not snow in Carlotta?

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

What is the month with the shortest days in Carlotta?

December has the shortest days of the year in Carlotta, California, with an average of 9h and 18min of daylight.

What is the average length of the day in December in Carlotta?

In December, the average day length in Carlotta is 9h and 20min.

What time are sunrise and sunset in December in Carlotta?

On the first day of December in Carlotta, sunrise is at 7:21 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 4:59 pm PST.

What is the month with the least sunshine in Carlotta?

The month with the least sunshine is December, with an average of 5h of sunshine.

How many hours of sunshine does Carlotta have in December?

The average sunshine duration in December in Carlotta is 5h.

What is the month with the lowest UV index in Carlotta?

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Carlotta, California.

How high is the UV index in December in Carlotta?

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health risk 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
Carlotta, CA

Average temperature in December - Carlotta, CA
  • Average high temperature in December: 52.9°F

The warmest month (with the highest average high temperature) is August (74.1°F).
The month with the lowest average high temperature is December (52.9°F).

  • Average low temperature in December: 40.1°F

The month with the highest average low temperature is August (51.8°F).
The coldest month (with the lowest average low temperature) is February (39.7°F).

[Resources]

Average pressure in December
Carlotta, CA

Average pressure in December - Carlotta, 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 August and September (29.96"Hg).

[Resources]

Average wind speed in December
Carlotta, CA

Average wind speed in December - Carlotta, CA
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is June (7.7mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).

[Resources]

Average humidity in December
Carlotta, CA

Average humidity in December - Carlotta, CA
  • Average humidity in December: 81%

The month with the highest relative humidity is March (83%).
The month with the lowest relative humidity is September (73%).

[Resources]

Average rainfall in December
Carlotta, CA

Average rainfall in December - Carlotta, CA
  • Average rainfall in December: 4.96"

The wettest month (with the highest rainfall) is December (4.96").
The driest month (with the least rainfall) is July (0.08").

[Resources]

Average rainfall days in December
Carlotta, CA

Average rainfall days in December - Carlotta, CA
  • Average rainfall days in December: 14.8 days

The month with the highest number of rainy days is March (17.3 days).
The months with the least rainy days are July and August (1.8 days).

[Resources]

Average snowfall in December
Carlotta, CA

Average snowfall in December - Carlotta, CA
  • Average snowfall in December: 0"

The month with the highest snowfall is February (0.59").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").

[Resources]

Average snowfall days in December
Carlotta, CA

Average snowfall days in December - Carlotta, CA
  • Average snowfall days in December: 0.1 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 and November (0 days).

[Resources]

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

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

The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in December: 5h and 0min

The months with the most sunshine are July and August (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in December
Carlotta, CA

Average sunshine days in December - Carlotta, CA
  • Average sunshine days in December: 15.1 days

The month with the most sunshine days is July (28.5 days).
The month with the least sunshine days is March (11.9 days).

[Resources]

Average UV index in December
Carlotta, CA

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

The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

[Resources]

Average cloud cover in December
Carlotta, CA

Average cloud cover in December - Carlotta, CA
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 16).

[Resources]

Average visibility in December
Carlotta, CA

Average visibility in December - Carlotta, CA
  • Average visibility in December: 6mi

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

[Resources]

Carlotta, California, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location