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
Swiftown records a mild change in average high-temperature during December, easing from a comfortable 63.3°F (17.4°C) in November to a fresh 54.9°F (12.7°C). During December, Swiftown experiences an average low-temperature of 41.9°F (5.5°C) at night.Humidity
The months with the highest humidity in Swiftown are February, March and December, with an average relative humidity of 79%.Rainfall
In Swiftown, during December, the rain falls for 12.5 days and regularly aggregates up to 3.39" (86mm) of precipitation. Throughout the year, there are 161.2 rainfall days, and 39.09" (993mm) of precipitation is accumulated.Snowfall
April through October and December are months without snowfall in Swiftown.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Swiftown.On the first day of the month, sunrise is at 6:47 am and sunset at 4:54 pm. On the last day of December, sunrise is at 7:05 am and sunset at 5:04 pm CST.
Sunshine
In December, the average sunshine in Swiftown is 5h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Swiftown. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Swiftown?
What are the most humid months in Swiftown?
What is the average humidity in December in Swiftown?
How many days does it rain in December in Swiftown?
When it does not snow in Swiftown?
Does it snow in Swiftown in December?
What is the month with the shortest days in Swiftown?
How many hours of daylight does Swiftown have in December?
When are sunrise and sunset in December in Swiftown?
How many hours of sunshine does Swiftown have in December?
What are the months with the lowest UV index in Swiftown?
What is the UV index reading in December in Swiftown?
Average temperature in December
Swiftown, MS
- Average high temperature in December: 54.9°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 (52.2°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (73°F).
The coldest month (with the lowest average low temperature) is January (38.1°F).
Average pressure in December
Swiftown, 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
Swiftown, MS
- Average wind speed in December: 8.4mph
The windiest months (with the highest average wind speed) are January and February (8.9mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).
Average humidity in December
Swiftown, MS
- Average humidity in December: 79%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is October (67%).
Average rainfall in December
Swiftown, MS
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is April (4.21").
The driest months (with the least rainfall) are September and November (2.2").
Average rainfall days in December
Swiftown, MS
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is October (8.7 days).
Average snowfall in December
Swiftown, MS
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are April, May, June, July, August, September, October and December (0").
Average snowfall days in December
Swiftown, MS
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1.1 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
Swiftown, 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 0min
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 54min).
Average sunshine days in December
Swiftown, MS
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (21.1 days).
The months with the least sunshine days are July and August (11.3 days).
Average UV index in December
Swiftown, 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
Swiftown, MS
- Average cloud cover in December: 45
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in December
Swiftown, 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).
Swiftown, Mississippi, USA
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