December weather forecastCaledonia, MS
December
Weather in December
December sees the onset of winter in Caledonia, with a significant drop in temperatures. Despite the onset of colder weather, the month manages to maintain a 6 miles visibility and a wind speed of 7.5mph (12.1km/h), similar to November. An interesting feature of December's climate is the re-introduction of snowfall, clocking in at 0.08" (2mm). Being the month with the shortest daylight hours (10 hours), December does find compensation with its Christmas celebrations. The pleasant and chilly weather, with a dust of snow, contributes to the city's festive atmosphere.Temperature
As December commences, the average high-temperature subtly reduces, transitioning from a comfortable 62.1°F (16.7°C) in November to a cool 54.3°F (12.4°C). December's average low-temperature reading settles at an icy 40.5°F (4.7°C).Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 4.09" (104mm) of precipitation is accumulated. In Caledonia, Mississippi, during the entire year, the rain falls for 171.9 days and collects up to 43.23" (1098mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Caledonia. Throughout December, in the average 0.6 snowfall days, it receives 0.08" (2mm) of snow. Throughout the year, there are 3.9 snowfall days, and 1.02" (26mm) of snow is accumulated.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 6:40 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:55 pm CST.
Sunshine
In Caledonia, the average sunshine in December is 4.9h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The average daily UV index of 3 in December transforms into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Caledonia, MS
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (51.4°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (36.1°F).
Average pressure in December
Caledonia, 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 (29.96"Hg).
Average wind speed in December
Caledonia, MS
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Caledonia, MS
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Caledonia, MS
- Average rainfall in December: 4.09"
The wettest month (with the highest rainfall) is April (4.65").
The driest month (with the least rainfall) is November (2.32").
Average rainfall days in December
Caledonia, MS
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in December
Caledonia, MS
- Average snowfall in December: 0.08"
The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Caledonia, MS
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is February (1.4 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
Caledonia, MS
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Caledonia, MS
- Average sunshine days in December: 16 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in December
Caledonia, MS
- 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 and December (UV index 3).
Average cloud cover in December
Caledonia, MS
- Average cloud cover in December: 48
The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 27).
Average visibility in December
Caledonia, 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).
