December weather forecastLa Verne, CA
December
Weather in December
December, the first month of the winter in La Verne, is still a comfortable month, with an average temperature ranging between max 62.4°F (16.9°C) and min 46.2°F (7.9°C).Temperature
La Verne records the coldest temperatures in December, averaging a high of 62.4°F (16.9°C) and a low of 46.2°F (7.9°C).Humidity
In December, the average relative humidity is 51%.Rainfall
In La Verne, during December, the rain falls for 5.2 days and regularly aggregates up to 0.94" (24mm) of precipitation. Throughout the year, there are 42.4 rainfall days, and 4.72" (120mm) of precipitation is accumulated.Snowfall
In La Verne, snow does not fall in January, March through December.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:39 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:52 pm PST.
Sunshine
December has the least sunshine of the year, with an average of 6.9h of sunshine.UV index
December is the month with the lowest UV index in La Verne, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Make use of precautions - It is urged to ward off sun damage. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
La Verne, CA
- Average high temperature in December: 62.4°F
The warmest month (with the highest average high temperature) is August (89.8°F).
The month with the lowest average high temperature is December (62.4°F).
- Average low temperature in December: 46.2°F
The month with the highest average low temperature is August (65.5°F).
The coldest month (with the lowest average low temperature) is February (46°F).
Average pressure in December
La Verne, 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 (29.87"Hg).
Average wind speed in December
La Verne, CA
- Average wind speed in December: 5.1mph
The windiest months (with the highest average wind speed) are April and May (5.7mph).
The calmest month (with the lowest average wind speed) is September (4.3mph).
Average humidity in December
La Verne, CA
- Average humidity in December: 51%
The months with the highest relative humidity are March and May (55%).
The months with the lowest relative humidity are August and November (45%).
Average rainfall in December
La Verne, CA
- Average rainfall in December: 0.94"
The wettest month (with the highest rainfall) is February (1.02").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
La Verne, CA
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is March (6.1 days).
The month with the least rainy days is June (1 days).
Average snowfall days in December
La Verne, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
La Verne, 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 54min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 54min).
Average sunshine days in December
La Verne, CA
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is June (28.2 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in December
La Verne, CA
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
La Verne, CA
- Average cloud cover in December: 21
The month with the most cloud cover is December (Cloud cover 21).
The month with the least cloud cover is August (Cloud cover 5).
Average visibility in December
La Verne, 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).
