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 66°F (18.9°C) in November to a still refreshing 58.8°F (14.9°C). Throughout December, Heidelberg registers a consistent average low-temperature of 43°F (6.1°C).Humidity
With an average relative humidity of 82%, December is the most humid month.Rainfall
In December, in Heidelberg, the rain falls for 12.2 days. Throughout December, 2.36" (60mm) of precipitation is accumulated. In Heidelberg, Mississippi, during the entire year, the rain falls for 157.7 days and collects up to 23.94" (608mm) of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.2" (5mm) of snow. Throughout the year, there are 1.8 snowfall days, and 0.71" (18mm) of snow is accumulated.Daylight
December has the shortest days of the year in Heidelberg, with an average of 10h and 6min of daylight.On the first day of December in Heidelberg, sunrise is at 6:38 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 5:02 pm CST.
Sunshine
February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Heidelberg.UV index
The months with the lowest UV index in Heidelberg are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 3 in December transforms into this advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Heidelberg in December?
What is the most humid month in Heidelberg?
What is the average humidity in December in Heidelberg?
How much does it rain in Heidelberg in December?
When does it start snowing in Heidelberg?
What is the month with the shortest days in Heidelberg?
What is the average length of the day in December in Heidelberg?
When are sunrise and sunset in December in Heidelberg?
What is the month with the least sunshine in Heidelberg?
How many hours of sunshine does Heidelberg have in December?
What is the month with the lowest UV index in Heidelberg?
How high is the UV index in December in Heidelberg?
Average temperature in December
Heidelberg, MS
- Average high temperature in December: 58.8°F
The warmest month (with the highest average high temperature) is July (91.8°F).
The month with the lowest average high temperature is January (55.8°F).
- Average low temperature in December: 43°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.7°F).
Average pressure in December
Heidelberg, 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
Heidelberg, MS
- Average wind speed in December: 6.7mph
The windiest months (with the highest average wind speed) are January, February and April (7mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Heidelberg, MS
- Average humidity in December: 82%
The month with the highest relative humidity is December (82%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Heidelberg, MS
- Average rainfall in December: 2.36"
The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.1").
Average rainfall days in December
Heidelberg, MS
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (21.7 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Heidelberg, MS
- Average snowfall in December: 0.2"
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 November (0").
Average snowfall days in December
Heidelberg, MS
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Heidelberg, MS
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).
Average sunshine days in December
Heidelberg, MS
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (21 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Heidelberg, 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
Heidelberg, MS
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Heidelberg, MS
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, June, October and November (6mi).
The months with the lowest visibility are May, July, August, September and December (5mi).
Heidelberg, Mississippi, USA
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