December weather forecastCambria, CA
December
Weather in December
December, the first month of the winter in Cambria, is also a moderate month, with temperature in the range of an average high of 59.4°F (15.2°C) and an average low of 48.2°F (9°C).Temperature
With average high temperatures of 59.4°F (15.2°C) and lows of 48.2°F (9°C), December is the coldest month.Humidity
The average relative humidity in December is 67%.Rainfall
The wettest months are March and December, with an average 1.3" (33mm) of rainfall.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 6:55 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:13 am and sunset at 5:01 pm PST.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year.UV index
January through March, November and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 4 translates into these guidelines:
Make use of precautions - Suggestions to resist sunburn are communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cambria, CA
- Average high temperature in December: 59.4°F
The warmest month (with the highest average high temperature) is September (75.4°F).
The month with the lowest average high temperature is December (59.4°F).
- Average low temperature in December: 48.2°F
The month with the highest average low temperature is September (59.9°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).
Average pressure in December
Cambria, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.91"Hg).
Average wind speed in December
Cambria, CA
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is May (8.6mph).
The calmest months (with the lowest average wind speed) are July, August, September, October and November (6.5mph).
Average humidity in December
Cambria, CA
- Average humidity in December: 67%
The month with the highest relative humidity is March (71%).
The month with the lowest relative humidity is October (61%).
Average rainfall in December
Cambria, CA
- Average rainfall in December: 1.3"
The wettest months (with the highest rainfall) are March and December (1.3").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Cambria, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Cambria, CA
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 18min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Cambria, CA
- Average sunshine days in December: 23.8 days
The month with the most sunshine days is August (29.3 days).
The month with the least sunshine days is February (21.2 days).
Average UV index in December
Cambria, CA
- Average UV index in December: 4
The month with the highest UV index is August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 4).
Average cloud cover in December
Cambria, CA
- Average cloud cover in December: 27
The month with the most cloud cover is March (Cloud cover 28).
The months with the least cloud cover are July, August and September (Cloud cover 8).
Average visibility in December
Cambria, 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).
