December weather forecastMecca, CA
December
Weather in December
December, the first month of the winter in Mecca, is still a mild month, with an average temperature varying between 60.6°F (15.9°C) and 46.8°F (8.2°C).Temperature
December stands out as Mecca's coldest month, with temperatures ranging between an average high of 60.6°F (15.9°C) and a low of 46.8°F (8.2°C).Humidity
With an average relative humidity of 46%, December is the most humid month.Rainfall
In Mecca, in December, during 5 rainfall days, 0.55" (14mm) of precipitation is typically accumulated. Throughout the year, there are 46.2 rainfall days, and 4.09" (104mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Mecca, California, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 6:31 am and sunset at 4:36 pm. On the last day of December, in Mecca, California, sunrise is at 6:48 am and sunset at 4:46 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 7.1h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 3 during December translates into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Mecca, CA
- Average high temperature in December: 60.6°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is December (60.6°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is August (76.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in December
Mecca, CA
- Average pressure in December: 30.06"Hg
The month with the highest atmospheric pressure is January (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.8"Hg).
Average wind speed in December
Mecca, CA
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is May (8.2mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in December
Mecca, CA
- Average humidity in December: 46%
The month with the highest relative humidity is December (46%).
The month with the lowest relative humidity is June (29%).
Average rainfall in December
Mecca, CA
- Average rainfall in December: 0.55"
The wettest month (with the highest rainfall) is July (0.79").
The driest months (with the least rainfall) are May and June (0.12").
Average rainfall days in December
Mecca, CA
- Average rainfall days in December: 5 days
The month with the highest number of rainy days is July (6.9 days).
The month with the least rainy days is June (1.5 days).
Average daylight in December /
Average sunshine in December
Mecca, 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
Mecca, CA
- Average sunshine days in December: 24.2 days
The month with the most sunshine days is October (27.4 days).
The month with the least sunshine days is July (19.4 days).
Average UV index in December
Mecca, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 8).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Mecca, 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
Mecca, 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).
