December weather forecastChianti, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in Chianti, California, with an average temperature ranging between max 54.9°F (12.7°C) and min 38.5°F (3.6°C).Temperature
December proves to be the coldest month, recording an average maximum temperature of 54.9°F (12.7°C) and a minimum temperature of 38.5°F (3.6°C).Humidity
In Chianti, the average relative humidity in December is 75%.Rainfall
In Chianti, during December, the rain falls for 12.1 days and regularly aggregates up to 3.66" (93mm) of precipitation. Throughout the year, in Chianti, there are 82.4 rainfall days, and 20.75" (527mm) of precipitation is accumulated.Snowfall
In Chianti, snow does not fall in January, March through December.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 4:50 pm. On the last day of December, in Chianti, sunrise is at 7:29 am and sunset at 5:00 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.4h of sunshine.UV index
The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Chianti, CA
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in December: 38.5°F
The month with the highest average low temperature is August (54.1°F).
The coldest month (with the lowest average low temperature) is December (38.5°F).
Average pressure in December
Chianti, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.92"Hg).
Average wind speed in December
Chianti, CA
- Average wind speed in December: 4.8mph
The windiest month (with the highest average wind speed) is May (6.3mph).
The calmest month (with the lowest average wind speed) is November (4.6mph).
Average humidity in December
Chianti, CA
- Average humidity in December: 75%
The month with the highest relative humidity is March (77%).
The months with the lowest relative humidity are July and September (57%).
Average rainfall in December
Chianti, CA
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is February (4.25").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Chianti, CA
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is March (14.6 days).
The months with the least rainy days are July and August (1.2 days).
Average snowfall in December
Chianti, CA
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Chianti, CA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.2 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
Chianti, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 12h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).
Average sunshine days in December
Chianti, CA
- Average sunshine days in December: 18 days
The month with the most sunshine days is July (29.4 days).
The month with the least sunshine days is March (15.2 days).
Average UV index in December
Chianti, CA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Chianti, CA
- Average cloud cover in December: 41
The month with the most cloud cover is March (Cloud cover 43).
The months with the least cloud cover are July and August (Cloud cover 6).
Average visibility in December
Chianti, 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).
