December weather forecastSan Augustine, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in San Augustine, California, with an average temperature fluctuating between 48.6°F (9.2°C) and 61.2°F (16.2°C).Temperature
San Augustine notes the coldest temperatures in December, with a high average of 61.2°F (16.2°C) and a low of 48.6°F (9.2°C).Humidity
In San Augustine, the average relative humidity in December is 62%.Rainfall
In San Augustine, during December, the rain falls for 5 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 37.7 rainfall days, and 5.98" (152mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in San Augustine, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 4:51 pm. On the last day of December, in San Augustine, sunrise is at 7:07 am and sunset at 5:01 pm PST.
Sunshine
The average sunshine in December in San Augustine is 6.7h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Be vigilant - Preventing sunburn is recommended. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
San Augustine, CA
- Average high temperature in December: 61.2°F
The warmest month (with the highest average high temperature) is August (78.8°F).
The month with the lowest average high temperature is December (61.2°F).
- Average low temperature in December: 48.6°F
The month with the highest average low temperature is September (61.2°F).
The coldest month (with the lowest average low temperature) is February (47.8°F).
Average pressure in December
San Augustine, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in December
San Augustine, CA
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is May (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.7mph).
Average humidity in December
San Augustine, CA
- Average humidity in December: 62%
The month with the highest relative humidity is March (67%).
The months with the lowest relative humidity are October and November (58%).
Average rainfall in December
San Augustine, CA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is January (1.38").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
San Augustine, CA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is March (6.2 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
San Augustine, CA
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 6h and 42min
The months with the most sunshine are June and July (Average sunshine: 12h and 0min).
The month with the least sunshine is February (Average sunshine: 6h and 36min).
Average sunshine days in December
San Augustine, CA
- Average sunshine days in December: 25.7 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (22.3 days).
Average UV index in December
San Augustine, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
San Augustine, CA
- Average cloud cover in December: 23
The month with the most cloud cover is March (Cloud cover 24).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
San Augustine, 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).
