December weather forecastLockwood, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Lockwood, California, with temperature in the range of an average low of 42.8°F (6°C) and an average high of 58.1°F (14.5°C).Temperature
During the coldest month, December, temperatures average a high of 58.1°F (14.5°C) and a low of 42.8°F (6°C).Humidity
In December, the average relative humidity in Lockwood is 66%.Rainfall
In Lockwood, in December, it is raining for 8 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, there are 55.2 rainfall days, and 9.06" (230mm) of precipitation is accumulated.Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Lockwood.On the first day of the month, sunrise is at 6:56 am and sunset at 4:50 pm. On the last day of December, in Lockwood, sunrise is at 7:14 am and sunset at 5:00 pm PST.
Sunshine
February and December, with an average of 6.4h of sunshine, are months with the least sunshine in Lockwood.UV index
The months with the lowest UV index in Lockwood are February, 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 unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Make use of precautions - It is urged to ward off sun damage. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lockwood, CA
- Average high temperature in December: 58.1°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is December (58.1°F).
- Average low temperature in December: 42.8°F
The month with the highest average low temperature is August (60.8°F).
The coldest months (with the lowest average low temperature) are February and December (42.8°F).
Average pressure in December
Lockwood, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June and September (29.91"Hg).
Average wind speed in December
Lockwood, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is May (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in December
Lockwood, CA
- Average humidity in December: 66%
The month with the highest relative humidity is February (68%).
The month with the lowest relative humidity is September (47%).
Average rainfall in December
Lockwood, CA
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is January (1.77").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Lockwood, CA
- Average rainfall days in December: 8 days
The month with the highest number of rainy days is March (10.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Lockwood, CA
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 24min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are February and December (Average sunshine: 6h and 24min).
Average sunshine days in December
Lockwood, CA
- Average sunshine days in December: 22 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (19.8 days).
Average UV index in December
Lockwood, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are February, November and December (UV index 3).
Average cloud cover in December
Lockwood, 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, August and September (Cloud cover 5).
Average visibility in December
Lockwood, 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).





