December weather forecastPlaster City, CA
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Plaster City, California, with an average temperature ranging between max 65.8°F (18.8°C) and min 49.1°F (9.5°C).Temperature
December, having an average high-temperature of 65.8°F (18.8°C) and an average low-temperature of 49.1°F (9.5°C), is the coldest month.Humidity
January and December, with an average relative humidity of 40%, are the most humid months in Plaster City, California.Rainfall
In December, in Plaster City, the rain falls for 2.5 days. Throughout December, 0.28" (7mm) of precipitation is accumulated. In Plaster City, during the entire year, the rain falls for 34.3 days and collects up to 3.27" (83mm) of precipitation.Daylight
The month with the shortest days in Plaster City is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:28 am and sunset at 4:37 pm. On the last day of December, sunrise is at 6:45 am and sunset at 4:47 pm PST.
Sunshine
December has the least sunshine of the year in Plaster City, with an average of 7.1h of sunshine.UV index
The month with the lowest UV index in Plaster City, California, is December, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 4 suggests these recommendations:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plaster City, CA
- Average high temperature in December: 65.8°F
The warmest month (with the highest average high temperature) is July (105.4°F).
The month with the lowest average high temperature is December (65.8°F).
- Average low temperature in December: 49.1°F
The month with the highest average low temperature is August (84.4°F).
The coldest month (with the lowest average low temperature) is January (48.9°F).
Average pressure in December
Plaster City, CA
- Average pressure in December: 30.05"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.79"Hg).
Average wind speed in December
Plaster City, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is January (5mph).
Average humidity in December
Plaster City, CA
- Average humidity in December: 40%
The months with the highest relative humidity are January and December (40%).
The month with the lowest relative humidity is June (22%).
Average rainfall in December
Plaster City, CA
- Average rainfall in December: 0.28"
The wettest month (with the highest rainfall) is July (0.75").
The driest month (with the least rainfall) is May (0.04").
Average rainfall days in December
Plaster City, CA
- Average rainfall days in December: 2.5 days
The month with the highest number of rainy days is July (7.2 days).
The month with the least rainy days is May (1.1 days).
Average daylight in December /
Average sunshine in December
Plaster City, CA
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 7h and 6min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 6min).
Average sunshine days in December
Plaster City, CA
- Average sunshine days in December: 28.5 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (19.3 days).
Average UV index in December
Plaster City, CA
- Average UV index in December: 4
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Plaster City, CA
- Average cloud cover in December: 17
The month with the most cloud cover is December (Cloud cover 17).
The month with the least cloud cover is June (Cloud cover 4).
Average visibility in December
Plaster City, 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).
