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
Transition into December subtly marks a drop in the average high-temperature, moderately moving from an enjoyable 63.3°F (17.4°C) in November to a fresh 55°F (12.8°C). December nights in Chatham are marked by an average low-temperature of 42.1°F (5.6°C).Humidity
The average relative humidity in December in Chatham is 79%.Rainfall
In Chatham, Mississippi, in December, it is raining for 11.3 days, with typically 3.07" (78mm) of accumulated precipitation. Throughout the year, in Chatham, there are 152.6 rainfall days, and 34.21" (869mm) of precipitation is accumulated.Snowfall
In Chatham, snow does not fall in March through December.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:50 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:08 pm CST.
Sunshine
In Chatham, the average sunshine in December is 5.1h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Chatham. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: In December, a daily UV index of 3 turns into the following recommendations:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Chatham?
What is the average humidity in December in Chatham?
How many days does it rain in December in Chatham?
When it does not snow in Chatham?
Does it snow in Chatham in December?
What is the month with the shortest days in Chatham?
What is the average length of the day in December in Chatham?
What time are sunrise and sunset in December in Chatham?
How many hours of sunshine does Chatham have in December?
What is the month with the lowest UV index in Chatham?
How high is the UV index in December in Chatham?
Average temperature in December
Chatham, MS
- Average high temperature in December: 55°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 42.1°F
The month with the highest average low temperature is July (73.8°F).
The coldest month (with the lowest average low temperature) is January (38.5°F).
Average pressure in December
Chatham, MS
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Chatham, MS
- Average wind speed in December: 8.6mph
The windiest month (with the highest average wind speed) is February (9.4mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).
Average humidity in December
Chatham, MS
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Chatham, MS
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is April (4.29").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Chatham, MS
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is October (8.5 days).
Average snowfall in December
Chatham, MS
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Chatham, MS
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is February (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Chatham, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Chatham, MS
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is October (20.8 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in December
Chatham, MS
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Chatham, MS
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Chatham, MS
- 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).
Chatham, Mississippi, USA
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