December weather forecastCarmel Valley, CA
December
Weather in December
December, the first month of the winter in Carmel Valley, is still a refreshing month, with temperature in the range of an average high of 57.2°F (14°C) and an average low of 46.2°F (7.9°C).Temperature
The coldest period tends to be December, when average temperatures fluctuate between a high of 57.2°F (14°C) and a low of 46.2°F (7.9°C).Humidity
In Carmel Valley, the average relative humidity in December is 71%.Rainfall
December is the month with the most rainfall. Rain falls for 9.4 days and accumulates 1.77" (45mm) of precipitation.Daylight
The month with the shortest days is December, with an average of 9h and 42min of daylight.On the first day of December, sunrise is at 7:00 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:01 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 6h of sunshine.UV index
February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Carmel Valley, CA
- Average high temperature in December: 57.2°F
The warmest month (with the highest average high temperature) is September (72.3°F).
The month with the lowest average high temperature is December (57.2°F).
- Average low temperature in December: 46.2°F
The month with the highest average low temperature is August (55.4°F).
The coldest months (with the lowest average low temperature) are February, March and December (46.2°F).
Average pressure in December
Carmel Valley, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.92"Hg).
Average wind speed in December
Carmel Valley, CA
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are April and May (7.6mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in December
Carmel Valley, CA
- Average humidity in December: 71%
The months with the highest relative humidity are March, May and August (76%).
The month with the lowest relative humidity is November (68%).
Average rainfall in December
Carmel Valley, CA
- Average rainfall in December: 1.77"
The wettest month (with the highest rainfall) is December (1.77").
The driest month (with the least rainfall) is August (0.04").
Average rainfall days in December
Carmel Valley, CA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is March (11.3 days).
The month with the least rainy days is August (1.1 days).
Average daylight in December /
Average sunshine in December
Carmel Valley, CA
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h
The month with the most sunshine is July (Average sunshine: 12h).
The month with the least sunshine is December (Average sunshine: 6h).
Average sunshine days in December
Carmel Valley, CA
- Average sunshine days in December: 20.4 days
The month with the most sunshine days is August (27.3 days).
The month with the least sunshine days is March (18.3 days).
Average UV index in December
Carmel Valley, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 5).
The months with the lowest UV index are February and December (UV index 3).
Average cloud cover in December
Carmel Valley, CA
- Average cloud cover in December: 32
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 10).
Average visibility in December
Carmel Valley, 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).
