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 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
Transitioning from November to December, Macclenny observes an average high-temperature of a refreshing 67.1°F (19.5°C), differing subtly from the previous month. Throughout December, the temperature falls to an average low of 49.6°F (9.8°C).Humidity
With an average relative humidity of 78%, December is the most humid month.Rainfall
In Macclenny, in December, it is raining for 11.8 days, with typically 2.44" (62mm) of accumulated precipitation. In Macclenny, during the entire year, the rain falls for 200.2 days and collects up to 37.64" (956mm) of precipitation.Snowfall
January, February and December are months with snowfall. The months with the most snowfall days are January, February and December, with an average of 0.1 snowfall days.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:07 am and sunset at 5:27 pm. On the last day of December, sunrise is at 7:24 am and sunset at 5:38 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.8h of sunshine.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 4 in December translates into these instructions:
Be vigilant - Preventing sunburn is recommended. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
When does it start to snow in Macclenny?
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?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
How high is the UV index in December?
Average temperature in December
Macclenny, FL
- Average high temperature in December: 67.1°F
The warmest month (with the highest average high temperature) is August (91.8°F).
The month with the lowest average high temperature is January (63°F).
- Average low temperature in December: 49.6°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.6°F).
Average pressure in December
Macclenny, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Macclenny, FL
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (6mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Macclenny, FL
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Macclenny, FL
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is August (5.87").
The driest month (with the least rainfall) is November (1.42").
Average rainfall days in December
Macclenny, FL
- Average rainfall days in December: 11.8 days
The months with the highest number of rainy days are July and August (27.5 days).
The month with the least rainy days is November (9.9 days).
Average snowfall days in December
Macclenny, FL
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January, February and December (0.1 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
Macclenny, FL
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Macclenny, FL
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is January (19.2 days).
The month with the least sunshine days is August (1.6 days).
Average UV index in December
Macclenny, FL
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 4).
Average cloud cover in December
Macclenny, FL
- Average cloud cover in December: 42
The month with the most cloud cover is December (Cloud cover 42).
The months with the least cloud cover are May, July and October (Cloud cover 32).
Average visibility in December
Macclenny, FL
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and November (6mi).
The month with the lowest visibility is December (5mi).
Macclenny, Florida, USA
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