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
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a refreshing 59.9°F (15.5°C) in November to a cool 51.4°F (10.8°C). Throughout the nights in December, an average low-temperature of 39.2°F (4°C) is noted.Humidity
In December, the average relative humidity is 78%.Rainfall
In Sarah, during December, the rain falls for 11.5 days and regularly aggregates up to 4.13" (105mm) of precipitation. In Sarah, during the entire year, the rain falls for 167.8 days and collects up to 43.35" (1101mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Sarah, in December, snow falls for 0.8 days, with typically accumulated 0.2" (5mm) of snow. In Sarah, during the entire year, snow falls for 5.1 days and aggregates up to 2.56" (65mm) of snow.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:50 am and sunset at 4:50 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:00 pm CST.
Sunshine
The average sunshine in December is 5.1h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum UV index of 3 during December translates into these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Minimize direct exposure to the Sun during midday when its radiation is at its peak. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Sarah have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Sarah, MS
- Average high temperature in December: 51.4°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (47.8°F).
- Average low temperature in December: 39.2°F
The month with the highest average low temperature is July (72.9°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Sarah, 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 (29.94"Hg).
Average wind speed in December
Sarah, MS
- Average wind speed in December: 8.4mph
The windiest month (with the highest average wind speed) is February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).
Average humidity in December
Sarah, MS
- Average humidity in December: 78%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (68%).
Average rainfall in December
Sarah, MS
- Average rainfall in December: 4.13"
The wettest month (with the highest rainfall) is April (5.24").
The driest month (with the least rainfall) is September (2.24").
Average rainfall days in December
Sarah, MS
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (18.4 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Sarah, MS
- Average snowfall in December: 0.2"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sarah, MS
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is January (1.8 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
Sarah, MS
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 1min
The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Sarah, MS
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is July (9.7 days).
Average UV index in December
Sarah, 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
Sarah, MS
- Average cloud cover in December: 44
The month with the most cloud cover is February (Cloud cover 47).
The months with the least cloud cover are June and August (Cloud cover 26).
Average visibility in December
Sarah, 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).
Sarah, Mississippi, USA
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