Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
Richvalley's December weather features a mild decline in high-temperatures, reducing from a frosty 47.5°F (8.6°C) in November to a cold 36.5°F (2.5°C). An average low-temperature of 26.6°F (-3°C) is observed during the December nights.Humidity
The months with the highest humidity are January, February, July, August and December, with an average relative humidity of 83%.Rainfall
In Richvalley, Indiana, in December, during 9.3 rainfall days, 1.38" (35mm) of precipitation is typically accumulated. In Richvalley, during the entire year, the rain falls for 157.1 days and collects up to 23.27" (591mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In December, it is snowing for 10.1 days. Throughout December, 1.77" (45mm) of snow is accumulated. Throughout the year, there are 47.4 snowfall days, and 10.39" (264mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 7:49 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 8:07 am and sunset at 5:26 pm EST.
Sunshine
In Richvalley, the average sunshine in December is 4.1h.UV index
With an average maximum UV index of 1, December is the month with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Richvalley have in December?
What time are sunrise and sunset in December?
How long on average sun shines in December in Richvalley?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Richvalley, IN
- Average high temperature in December: 36.5°F
The warmest month (with the highest average high temperature) is July (80.4°F).
The month with the lowest average high temperature is January (30.6°F).
- Average low temperature in December: 26.6°F
The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (19°F).
Average pressure in December
Richvalley, IN
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Richvalley, IN
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.1mph).
Average humidity in December
Richvalley, IN
- Average humidity in December: 83%
The months with the highest relative humidity are January, February, July, August and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Richvalley, IN
- Average rainfall in December: 1.38"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Richvalley, IN
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in December
Richvalley, IN
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.83").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Richvalley, IN
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (13.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Richvalley, IN
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Richvalley, IN
- Average sunshine days in December: 13.7 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is May (9.6 days).
Average UV index in December
Richvalley, IN
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Richvalley, IN
- Average cloud cover in December: 59
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in December
Richvalley, IN
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, July, August and September (5mi).
Richvalley, Indiana, USA
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