December weather forecastMarysville, CA
December
Weather in December
The first month of the winter, December, is also a fresh month in Marysville, California, with temperature in the range of an average high of 54.5°F (12.5°C) and an average low of 41°F (5°C).Temperature
December is the month that records the lowest temperatures, with averages ranging from a high of 54.5°F (12.5°C) to a low of 41°F (5°C).Humidity
In Marysville, the average relative humidity in December is 70%.Rainfall
In December, the rain falls for 10 days. Throughout December, 1.85" (47mm) of precipitation is accumulated. In Marysville, during the entire year, the rain falls for 69.8 days and collects up to 10.79" (274mm) of precipitation.Snowfall
In Marysville, snow does not fall in February through December.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 7:07 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:53 pm PST.
Sunshine
The month with the least sunshine is December, with an average of 5.7h of sunshine.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum UV index of 3 in December translates into the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. 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
Marysville, CA
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.5°F).
- Average low temperature in December: 41°F
The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is December (41°F).
Average pressure in December
Marysville, CA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Marysville, CA
- Average wind speed in December: 5.2mph
The windiest month (with the highest average wind speed) is March (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.7mph).
Average humidity in December
Marysville, CA
- Average humidity in December: 70%
The month with the highest relative humidity is March (74%).
The months with the lowest relative humidity are July and September (38%).
Average rainfall in December
Marysville, CA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is March (2.17").
The driest months (with the least rainfall) are July and August (0.04").
Average rainfall days in December
Marysville, CA
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is March (13.5 days).
The month with the least rainy days is July (0.9 days).
Average snowfall in December
Marysville, CA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Marysville, 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
Marysville, 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 42min
The month with the most sunshine is July (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in December
Marysville, CA
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is July (29.7 days).
The month with the least sunshine days is March (16.8 days).
Average UV index in December
Marysville, 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
Marysville, CA
- Average cloud cover in December: 36
The month with the most cloud cover is March (Cloud cover 39).
The month with the least cloud cover is July (Cloud cover 4).
Average visibility in December
Marysville, 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).
