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 transition into December involves a small decrease in the average high-temperature, dipping slightly from a comfortable 67.1°F (19.5°C) in November to a still refreshing 61°F (16.1°C). Throughout December, an average nighttime temperature of 45.7°F (7.6°C) is experienced.Humidity
The average relative humidity in December is 77%.Rainfall
In Hillsdale, in December, during 10.9 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. In Hillsdale, during the entire year, the rain falls for 175.8 days and collects up to 34.61" (879mm) of precipitation.Snowfall
In Hillsdale, snow does not fall in March through December.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 7:16 am and sunset at 5:31 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.3h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: In December, the UV index of 3 transforms into the following advice:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be advised! The UV radiation from the Sun can be almost doubled due to the reflective properties of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in Hillsdale in December?
What is the month with the shortest days?
How many hours of daylight does Hillsdale have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Hillsdale have in December?
When is the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Hillsdale, GA
- Average high temperature in December: 61°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (57.7°F).
- Average low temperature in December: 45.7°F
The months with the highest average low temperature are July and August (72.7°F).
The coldest month (with the lowest average low temperature) is January (41°F).
Average pressure in December
Hillsdale, GA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Hillsdale, GA
- Average wind speed in December: 8.1mph
The windiest months (with the highest average wind speed) are February and March (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Hillsdale, GA
- Average humidity in December: 77%
The month with the highest relative humidity is August (78%).
The months with the lowest relative humidity are January, May, October and November (72%).
Average rainfall in December
Hillsdale, GA
- Average rainfall in December: 3.43"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Hillsdale, GA
- Average rainfall days in December: 10.9 days
The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (7.7 days).
Average snowfall in December
Hillsdale, GA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.12").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Hillsdale, GA
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and February (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Hillsdale, GA
- 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: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in December
Hillsdale, GA
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (4.7 days).
Average UV index in December
Hillsdale, GA
- 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 and December (UV index 3).
Average cloud cover in December
Hillsdale, GA
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Hillsdale, GA
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).
Hillsdale, Georgia, USA
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