December weather forecastOld Garlock, CA
December
Weather in December
December, the first month of the winter in Old Garlock, is also a fresh month, with an average temperature varying between 52.5°F (11.4°C) and 37.6°F (3.1°C).Temperature
December, known for its average high temperature of 52.5°F (11.4°C) and an average low temperature of 37.6°F (3.1°C), is the coldest month.Humidity
In Old Garlock, the average relative humidity in December is 46%.Rainfall
December is the month with the most rainfall in Old Garlock. Rain falls for 2.4 days and accumulates 0.35" (9mm) of precipitation.Snowfall
January through October and December are months without snowfall.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 6:42 am and sunset at 4:38 pm. On the last day of December, in Old Garlock, California, sunrise is at 7:00 am and sunset at 4:49 pm PST.
Sunshine
January and December, with an average of 7.1h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index in Old Garlock are January, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Old Garlock, CA
- Average high temperature in December: 52.5°F
The warmest month (with the highest average high temperature) is July (95.9°F).
The month with the lowest average high temperature is December (52.5°F).
- Average low temperature in December: 37.6°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is December (37.6°F).
Average pressure in December
Old Garlock, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in December
Old Garlock, CA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is May (9.3mph).
The calmest month (with the lowest average wind speed) is January (5.7mph).
Average humidity in December
Old Garlock, CA
- Average humidity in December: 46%
The month with the highest relative humidity is January (47%).
The month with the lowest relative humidity is August (20%).
Average rainfall in December
Old Garlock, CA
- Average rainfall in December: 0.35"
The wettest month (with the highest rainfall) is December (0.35").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Old Garlock, CA
- Average rainfall days in December: 2.4 days
The month with the highest number of rainy days is July (4.5 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in December
Old Garlock, CA
- Average snowfall in December: 0"
The month with the highest snowfall is November (0.83").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Old Garlock, CA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January, February, November and December (0.1 days).
The months with the least snowfall days are March, April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Old Garlock, 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: 7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The months with the least sunshine are January and December (Average sunshine: 7h and 6min).
Average sunshine days in December
Old Garlock, CA
- Average sunshine days in December: 28.1 days
The month with the most sunshine days is December (28.1 days).
The month with the least sunshine days is July (23.2 days).
Average UV index in December
Old Garlock, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are January, November and December (UV index 3).
Average cloud cover in December
Old Garlock, CA
- Average cloud cover in December: 17
The months with the most cloud cover are January, March and December (Cloud cover 17).
The month with the least cloud cover is September (Cloud cover 4).
Average visibility in December
Old Garlock, 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).





