Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Ripon's December weather, marked by an average high temperature of 54.9°F (12.7°C) and an average low temperature of 40.6°F (4.8°C), is the coldest in the year.Humidity
In Ripon, California, the average relative humidity in December is 71%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 1.93" (49mm) of precipitation is accumulated. Throughout the year, there are 67.8 rainfall days, and 11.22" (285mm) of precipitation is accumulated.Snowfall
December is the only month when snow falls. December has the most snowfall days of the year in Ripon. Snow falls for 0.1 days.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:01 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 4:56 pm PST.
Sunshine
With an average of 6h of sunshine, December has the least sunshine of the year in Ripon.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 reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: A maximum high daily UV index of 3 during December translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Boost your sun resistance with garments that are densely woven yet spacious. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Frequently asked questions
What are the coldest months in Ripon?
What are the temperatures in Ripon in December?
What is the average humidity in December in Ripon?
How much does it rain in Ripon in December?
When does it snow the most in Ripon?
When does it start snowing in Ripon?
What is the month with the shortest days in Ripon?
What is the average length of the day in December in Ripon?
What time are sunrise and sunset in December in Ripon?
What is the month with the least sunshine in Ripon?
How many hours of sunshine does Ripon have in December?
What are the months with the lowest UV index in Ripon?
What is the UV index intensity in December in Ripon?
Average temperature in December
Ripon, CA
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (94.6°F).
The month with the lowest average high temperature is December (54.9°F).
- Average low temperature in December: 40.6°F
The month with the highest average low temperature is August (59.9°F).
The coldest month (with the lowest average low temperature) is December (40.6°F).
Average pressure in December
Ripon, 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
Ripon, CA
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is June (6.8mph).
The calmest month (with the lowest average wind speed) is November (4.7mph).
Average humidity in December
Ripon, CA
- Average humidity in December: 71%
The month with the highest relative humidity is January (73%).
The month with the lowest relative humidity is July (42%).
Average rainfall in December
Ripon, CA
- Average rainfall in December: 1.93"
The wettest month (with the highest rainfall) is March (2.01").
The driest months (with the least rainfall) are July and August (0.08").
Average rainfall days in December
Ripon, CA
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is March (12 days).
The month with the least rainy days is August (1.2 days).
Average snowfall days in December
Ripon, CA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Ripon, CA
- Average daylight in December: 9h and 4min
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 0min
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 0min).
Average sunshine days in December
Ripon, CA
- Average sunshine days in December: 20.5 days
The month with the most sunshine days is August (28.8 days).
The month with the least sunshine days is March (17.5 days).
Average UV index in December
Ripon, CA
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Ripon, CA
- Average cloud cover in December: 33
The month with the most cloud cover is March (Cloud cover 34).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Ripon, 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).
Ripon, California, USA
Weather forecast for your location
2. Allow the app to use your location
