December weather forecastMorris, IN
December
Weather in December
December, the first month of the winter in Morris, is also a wintry month, with an average temperature fluctuating between 40.1°F (4.5°C) and 29.3°F (-1.5°C).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's fresh 50°F (10°C) to a wintry 40.1°F (4.5°C). An average low-temperature of 29.3°F (-1.5°C) is noted during the month of December.Humidity
January and December, with an average relative humidity of 82%, are the most humid months.Rainfall
In Morris, during December, the rain falls for 10.7 days and regularly aggregates up to 2.36" (60mm) of precipitation. In Morris, during the entire year, the rain falls for 165.1 days and collects up to 31.57" (802mm) of precipitation.Snowfall
Months with snowfall in Morris are January through April, October through December. In Morris, in December, during 8.7 snowfall days, 2.17" (55mm) of snow is typically accumulated. In Morris, during the entire year, snow falls for 35.9 days and aggregates up to 10.71" (272mm) of snow.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 5:18 pm. On the last day of the month, sunrise is at 8:00 am and sunset at 5:27 pm EST.
Sunshine
In December, the average sunshine is 4.2h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index, 1 during December, leads to the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. When the Sun is at its strongest around midday, find shade and limit exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Morris, IN
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (34.5°F).
- Average low temperature in December: 29.3°F
The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (22.3°F).
Average pressure in December
Morris, IN
- Average pressure in December: 30.12"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Morris, IN
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is January (9.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in December
Morris, IN
- Average humidity in December: 82%
The months with the highest relative humidity are January and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Morris, IN
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is May (3.54").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Morris, IN
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (8.4 days).
Average snowfall in December
Morris, IN
- Average snowfall in December: 2.17"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Morris, IN
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Morris, IN
- 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: 4h and 12min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Morris, IN
- Average sunshine days in December: 13.1 days
The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in December
Morris, IN
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Morris, IN
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Morris, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January and July (5mi).





