December weather forecastNacomis Indian Rancheria, CA
December
Weather in December
December, the first month of the winter in Nacomis Indian Rancheria, is still a cool month, with an average temperature ranging between max 52.9°F (11.6°C) and min 37.2°F (2.9°C).Temperature
December is the coldest month of the year, registering average temperatures as high as 52.9°F (11.6°C) and as low as 37.2°F (2.9°C).Humidity
In Nacomis Indian Rancheria, the average relative humidity in December is 73%.Rainfall
In Nacomis Indian Rancheria, during December, the rain falls for 12.2 days and regularly aggregates up to 3.62" (92mm) of precipitation. In Nacomis Indian Rancheria, during the entire year, the rain falls for 88.1 days and collects up to 20.28" (515mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Nacomis Indian Rancheria, in December, during 0.2 snowfall days, 0.08" (2mm) of snow is typically accumulated. In Nacomis Indian Rancheria, during the entire year, snow falls for 1.8 days and aggregates up to 1.26" (32mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:50 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:00 pm PST.
Sunshine
With an average of 5.3h of sunshine, December has the least sunshine of the year.UV index
The average daily maximum UV index in December is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In December, the UV index of 3 transforms into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nacomis Indian Rancheria, CA
- Average high temperature in December: 52.9°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is December (52.9°F).
- Average low temperature in December: 37.2°F
The months with the highest average low temperature are July and August (56.7°F).
The coldest month (with the lowest average low temperature) is December (37.2°F).
Average pressure in December
Nacomis Indian Rancheria, CA
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The months with the lowest atmospheric pressure are June and August (29.91"Hg).
Average wind speed in December
Nacomis Indian Rancheria, CA
- Average wind speed in December: 4.5mph
The windiest months (with the highest average wind speed) are April and May (5.5mph).
The calmest month (with the lowest average wind speed) is November (4.2mph).
Average humidity in December
Nacomis Indian Rancheria, CA
- Average humidity in December: 73%
The month with the highest relative humidity is March (75%).
The month with the lowest relative humidity is July (48%).
Average rainfall in December
Nacomis Indian Rancheria, CA
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is February (3.94").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Nacomis Indian Rancheria, CA
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is July (1.1 days).
Average snowfall in December
Nacomis Indian Rancheria, CA
- Average snowfall in December: 0.08"
The months with the highest snowfall are January and February (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Nacomis Indian Rancheria, CA
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Nacomis Indian Rancheria, CA
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 18min
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 18min).
Average sunshine days in December
Nacomis Indian Rancheria, CA
- Average sunshine days in December: 18 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (14.3 days).
Average UV index in December
Nacomis Indian Rancheria, CA
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is November (UV index 2).
Average cloud cover in December
Nacomis Indian Rancheria, CA
- Average cloud cover in December: 42
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 5).
Average visibility in December
Nacomis Indian Rancheria, CA
- Average visibility in December: 5mi
The months with the highest visibility are February, April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, March and December (5mi).





