December weather forecastMarshall, CA
December
Weather in December
December, the first month of the winter in Marshall, is still a refreshing month, with an average temperature ranging between min 46.8°F (8.2°C) and max 55.4°F (13°C).Temperature
December is the coldest month, with the temperature often reaching an average high of 55.4°F (13°C) and an average low of 46.8°F (8.2°C).Humidity
In December, the average relative humidity is 75%.Rainfall
In Marshall, in December, during 7.7 rainfall days, 0.83" (21mm) of precipitation is typically accumulated. Throughout the year, there are 55.1 rainfall days, and 4.65" (118mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Marshall, California, with an average of 9h and 36min of daylight.On the first day of December in Marshall, sunrise is at 7:09 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:01 pm PST.
Sunshine
The month with the least sunshine in Marshall is December, with an average of 5.6h of sunshine.UV index
February and December, with an average maximum UV index of 3, are months with the lowest UV index in Marshall. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: In December, a regular UV index of 3 translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marshall, CA
- Average high temperature in December: 55.4°F
The warmest month (with the highest average high temperature) is September (69.4°F).
The month with the lowest average high temperature is December (55.4°F).
- Average low temperature in December: 46.8°F
The month with the highest average low temperature is September (56.3°F).
The coldest month (with the lowest average low temperature) is December (46.8°F).
Average pressure in December
Marshall, CA
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The months with the lowest atmospheric pressure are August and September (29.92"Hg).
Average wind speed in December
Marshall, CA
- Average wind speed in December: 7.5mph
The windiest months (with the highest average wind speed) are April and May (10mph).
The calmest month (with the lowest average wind speed) is November (6.9mph).
Average humidity in December
Marshall, CA
- Average humidity in December: 75%
The months with the highest relative humidity are July and August (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Marshall, CA
- Average rainfall in December: 0.83"
The wettest month (with the highest rainfall) is February (0.98").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in December
Marshall, CA
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is March (9.4 days).
The month with the least rainy days is June (1.5 days).
Average daylight in December /
Average sunshine in December
Marshall, CA
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 5h and 36min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in December
Marshall, CA
- Average sunshine days in December: 21.8 days
The months with the most sunshine days are June and October (25.9 days).
The month with the least sunshine days is March (19.8 days).
Average UV index in December
Marshall, 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
Marshall, CA
- Average cloud cover in December: 37
The month with the most cloud cover is March (Cloud cover 38).
The month with the least cloud cover is September (Cloud cover 16).
Average visibility in December
Marshall, 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).





