December weather forecastSolvang, CA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Solvang, California, with an average temperature varying between 61°F (16.1°C) and 47.1°F (8.4°C).Temperature
The coldest period tends to be December, when average temperatures fluctuate between a high of 61°F (16.1°C) and a low of 47.1°F (8.4°C).Humidity
In December, the average relative humidity is 60%.Rainfall
In Solvang, in December, during 6.5 rainfall days, 1.69" (43mm) of precipitation is typically accumulated. Throughout the year, there are 48.3 rainfall days, and 9.84" (250mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:49 am and sunset at 4:49 pm. On the last day of December, sunrise is at 7:07 am and sunset at 5:00 pm PST.
Sunshine
In December, the average sunshine is 6.8h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 3 during December leads to these instructions:
Take precautions - Protection against sun damage is advised. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Solvang, CA
- Average high temperature in December: 61°F
The warmest month (with the highest average high temperature) is August (82°F).
The month with the lowest average high temperature is December (61°F).
- Average low temperature in December: 47.1°F
The month with the highest average low temperature is August (61.5°F).
The coldest month (with the lowest average low temperature) is February (46.8°F).
Average pressure in December
Solvang, CA
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.91"Hg).
Average wind speed in December
Solvang, CA
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are April and May (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Solvang, CA
- Average humidity in December: 60%
The month with the highest relative humidity is March (64%).
The month with the lowest relative humidity is October (54%).
Average rainfall in December
Solvang, CA
- Average rainfall in December: 1.69"
The wettest month (with the highest rainfall) is January (2.09").
The driest months (with the least rainfall) are June and August (0.04").
Average rainfall days in December
Solvang, CA
- Average rainfall days in December: 6.5 days
The month with the highest number of rainy days is March (8.5 days).
The month with the least rainy days is August (0.8 days).
Average daylight in December /
Average sunshine in December
Solvang, 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 48min
The month with the most sunshine is June (Average sunshine: 12h and 6min).
The month with the least sunshine is February (Average sunshine: 6h and 30min).
Average sunshine days in December
Solvang, CA
- Average sunshine days in December: 23.5 days
The month with the most sunshine days is August (29.1 days).
The month with the least sunshine days is February (20.8 days).
Average UV index in December
Solvang, CA
- Average UV index in December: 3
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in December
Solvang, CA
- Average cloud cover in December: 23
The month with the most cloud cover is March (Cloud cover 25).
The months with the least cloud cover are August and September (Cloud cover 5).
Average visibility in December
Solvang, 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).
