December weather forecastMarysville, IN
December
Weather in December
December, the first month of the winter in Marysville, is also an icy month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 42.6°F (5.9°C).Temperature
Marysville in December demonstrates a small temperature transition, adjusting from an average high of a fresh 52.2°F (11.2°C) in November to an icy 42.6°F (5.9°C). December's nights observe an average temperature of 30.9°F (-0.6°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Marysville, during December, the rain falls for 11.9 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 163.7 rainfall days, and 31.77" (807mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, October through December. In Marysville, in December, during 7 snowfall days, 1.57" (40mm) of snow is typically accumulated. Throughout the year, there are 33 snowfall days, and 8.78" (223mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:41 am and sunset at 5:21 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:31 pm EST.
Sunshine
January and December, with an average of 4.3h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Marysville. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The daily maximum UV index of 2 in December interprets into the following advice:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Marysville, IN
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (37.2°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (66.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Marysville, IN
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Marysville, IN
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Marysville, IN
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Marysville, IN
- Average rainfall in December: 2.4"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.69").
Average rainfall days in December
Marysville, IN
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is May (18.3 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Marysville, IN
- Average snowfall in December: 1.57"
The month with the highest snowfall is February (2.72").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Marysville, IN
- Average snowfall days in December: 7 days
The month with the highest number of snowfall days is January (9.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Marysville, IN
- 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: 4h and 18min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Marysville, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10 days).
Average UV index in December
Marysville, IN
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Marysville, IN
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Marysville, IN
- Average visibility in December: 5mi
The months with the highest visibility are March, April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, May, July and December (5mi).





