December weather forecastLa Grange, CA
December
Weather in December
December, the first month of the winter in La Grange, is also a moderate month, with temperature in the range of an average low of 40.6°F (4.8°C) and an average high of 55.6°F (13.1°C).Temperature
Temperature readings reach their annual highs in December, averaging 55.6°F (13.1°C) and a minimum average of 40.6°F (4.8°C).Humidity
The average relative humidity in December in La Grange, California, is 69%.Rainfall
The wettest months are March and December, with an average 0.98" (25mm) of rainfall.Daylight
The month with the shortest days in La Grange is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 6:58 am and sunset at 4:43 pm. On the last day of December, sunrise is at 7:16 am and sunset at 4:53 pm PST.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Grange, CA
- Average high temperature in December: 55.6°F
The warmest month (with the highest average high temperature) is July (97.3°F).
The month with the lowest average high temperature is December (55.6°F).
- Average low temperature in December: 40.6°F
The months with the highest average low temperature are July and August (63°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in December
La Grange, 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
La Grange, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is June (7.1mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
La Grange, CA
- Average humidity in December: 69%
The month with the highest relative humidity is January (71%).
The month with the lowest relative humidity is July (35%).
Average rainfall in December
La Grange, CA
- Average rainfall in December: 0.98"
The wettest months (with the highest rainfall) are March and December (0.98").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
La Grange, CA
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is March (7.8 days).
The month with the least rainy days is June (0.6 days).
Average daylight in December /
Average sunshine in December
La Grange, CA
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 6h and 6min
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 6min).
Average sunshine days in December
La Grange, CA
- Average sunshine days in December: 23.2 days
The month with the most sunshine days is August (29 days).
The month with the least sunshine days is February (21.7 days).
Average UV index in December
La Grange, 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
La Grange, CA
- Average cloud cover in December: 32
The months with the most cloud cover are March and December (Cloud cover 32).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
La Grange, 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).
