December weather forecastLe Grand, CA
December
Weather in December
The first month of the winter, December, is also a moderate month in Le Grand, California, with an average temperature varying between 41.9°F (5.5°C) and 56.3°F (13.5°C).Temperature
The coldest temperatures occur during December, when averages reach a peak of 56.3°F (13.5°C) and a low of 41.9°F (5.5°C).Humidity
In Le Grand, the average relative humidity in December is 67%.Rainfall
In December, the rain falls for 7 days. Throughout December, 1.3" (33mm) of precipitation is accumulated. Throughout the year, there are 51 rainfall days, and 7.56" (192mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 6:56 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:14 am and sunset at 4:53 pm PST.
Sunshine
With an average of 6.2h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 3 during December leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Le Grand, CA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (100°F).
The month with the lowest average high temperature is December (56.3°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is December (41.9°F).
Average pressure in December
Le Grand, CA
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Le Grand, CA
- Average wind speed in December: 5mph
The windiest month (with the highest average wind speed) is June (7.9mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
Le Grand, CA
- Average humidity in December: 67%
The month with the highest relative humidity is January (68%).
The month with the lowest relative humidity is July (31%).
Average rainfall in December
Le Grand, CA
- Average rainfall in December: 1.3"
The wettest month (with the highest rainfall) is March (1.46").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Le Grand, CA
- Average rainfall days in December: 7 days
The month with the highest number of rainy days is March (8.6 days).
The month with the least rainy days is June (0.8 days).
Average daylight in December /
Average sunshine in December
Le Grand, CA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 12min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Le Grand, CA
- Average sunshine days in December: 23.3 days
The month with the most sunshine days is June (28.8 days).
The month with the least sunshine days is February (21.5 days).
Average UV index in December
Le Grand, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Le Grand, CA
- Average cloud cover in December: 30
The months with the most cloud cover are March and December (Cloud cover 30).
The months with the least cloud cover are July, August and September (Cloud cover 5).
Average visibility in December
Le Grand, 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).





