December weather forecastLennox, CA
December
Weather in December
The first month of the winter, December, is still a comfortable month in Lennox, California, with an average temperature varying between 64°F (17.8°C) and 50.9°F (10.5°C).Temperature
December, characterized by an average high temperature of 64°F (17.8°C) and a low temperature of 50.9°F (10.5°C), is generally the coldest month.Humidity
In Lennox, the average relative humidity in December is 56%.Rainfall
In Lennox, in December, it is raining for 4.3 days, with typically 0.51" (13mm) of accumulated precipitation. Throughout the year, there are 29.8 rainfall days, and 2.48" (63mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:41 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:55 pm PST.
Sunshine
The months with the least sunshine are February and December, with an average of 6.7h of sunshine.UV index
January, February, 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 medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 4 transforms into these recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Lennox, CA
- Average high temperature in December: 64°F
The warmest month (with the highest average high temperature) is August (81.1°F).
The month with the lowest average high temperature is December (64°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is August (64.9°F).
The coldest months (with the lowest average low temperature) are February and December (50.9°F).
Average pressure in December
Lennox, CA
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in December
Lennox, CA
- Average wind speed in December: 5.6mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest months (with the lowest average wind speed) are August and September (4.8mph).
Average humidity in December
Lennox, CA
- Average humidity in December: 56%
The month with the highest relative humidity is June (69%).
The month with the lowest relative humidity is November (53%).
Average rainfall in December
Lennox, CA
- Average rainfall in December: 0.51"
The wettest month (with the highest rainfall) is February (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in December
Lennox, CA
- Average rainfall days in December: 4.3 days
The month with the highest number of rainy days is March (5.1 days).
The month with the least rainy days is June (0.4 days).
Average daylight in December /
Average sunshine in December
Lennox, 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 July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are February and December (Average sunshine: 6h and 42min).
Average sunshine days in December
Lennox, CA
- Average sunshine days in December: 25.5 days
The month with the most sunshine days is June (29.1 days).
The month with the least sunshine days is February (23.7 days).
Average UV index in December
Lennox, CA
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 4).
Average cloud cover in December
Lennox, CA
- Average cloud cover in December: 22
The month with the most cloud cover is March (Cloud cover 23).
The month with the least cloud cover is August (Cloud cover 7).
Average visibility in December
Lennox, 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).
