December weather forecastCantua Creek, CA

December

Weather in December

December, the first month of the winter in Cantua Creek, is also a moderate month, with an average temperature ranging between max 56.5°F (13.6°C) and min 42.6°F (5.9°C).

Temperature

Cantua Creek's coldest temperatures are experienced in December, with average high temperatures of 56.5°F (13.6°C) and lows of 42.6°F (5.9°C).

Humidity

January and December, with an average relative humidity of 66%, are the most humid months.

Rainfall

In Cantua Creek, in December, it is raining for 5.7 days, with typically 0.35" (9mm) of accumulated precipitation. In Cantua Creek, during the entire year, the rain falls for 37.2 days and collects up to 2.48" (63mm) of precipitation.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Cantua Creek.
On the first day of December, sunrise is at 6:55 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:56 pm PST.

Sunshine

February and December, with an average of 6.4h of sunshine, are months with the least sunshine in Cantua Creek.

UV index

January, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 3 in December transforms into the following instructions:
Undertake protective steps - Preventing sun damage is advised. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Updated: Feb 9, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December is the month when Cantua Creek, California, experiences its coldest temperatures, averaging a high of 56.5°F (13.6°C) and a low of 42.6°F (5.9°C).

In Cantua Creek, 56.5°F (13.6°C) is the average high-temperature and 42.6°F (5.9°C) is the average low-temperature during December. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in May is evaluated at 82.4°F (28°C).

The months with the highest humidity are January and December, with an average relative humidity of 66%.

In December, the average relative humidity in Cantua Creek, California, is 66%.

In December, in Cantua Creek, California, the rain falls for 5.7 days. Throughout December, 0.35" (9mm) of precipitation is accumulated.

The month with the shortest days in Cantua Creek, California, is December, with an average of 9h and 42min of daylight.

In December, the average day length in Cantua Creek is 9h and 43min.

On the first day of December in Cantua Creek, sunrise is at 6:55 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 4:56 pm PST.

The months with the least sunshine in Cantua Creek, California, are February and December, with an average of 6.4h of sunshine.

In Cantua Creek, the average sunshine duration in December is 6.4h.

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

In Cantua Creek, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

66.7°F

56.5°F

59°F

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.7mph

5.9mph

5.7mph

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

26.8

24.6

25.5

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Cantua Creek, CA

Average high temperature in December: 56.5°F

The warmest month (with the highest average high temperature) is July (100.9°F).
The month with the lowest average high temperature is December (56.5°F).

Average low temperature in December: 42.6°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is December (42.6°F).

Average pressure in December
Cantua Creek, CA

Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).

Average wind speed in December
Cantua Creek, CA

Average wind speed in December: 5.3mph

The windiest month (with the highest average wind speed) is June (7.6mph).
The calmest month (with the lowest average wind speed) is January (5.1mph).

Average humidity in December
Cantua Creek, CA

Average humidity in December: 66%

The months with the highest relative humidity are January and December (66%).
The month with the lowest relative humidity is July (30%).

Average rainfall in December
Cantua Creek, CA

Average rainfall in December: 0.35"

The wettest months (with the highest rainfall) are February and March (0.43").
The driest months (with the least rainfall) are June, July, August and September (0.04").

Average rainfall days in December
Cantua Creek, CA

Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is March (7 days).
The months with the least rainy days are August and September (0.5 days).

Average daylight in December /
Average sunshine in December
Cantua Creek, CA

Average daylight in December: 9h and 42min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

Average sunshine in December: 6h and 24min

The month with the most sunshine is July (Average sunshine: 12h and 12min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).

Average sunshine days in December
Cantua Creek, CA

Average sunshine days in December: 24.6 days

The month with the most sunshine days is August (29.7 days).
The month with the least sunshine days is February (22 days).

Average UV index in December
Cantua Creek, CA

Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, November and December (UV index 3).

Average cloud cover in December
Cantua Creek, CA

Average cloud cover in December: 28

The month with the most cloud cover is March (Cloud cover 29).
The months with the least cloud cover are July and August (Cloud cover 4).

Average visibility in December
Cantua Creek, 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).