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
November's transformation into December witnesses an average high-temperature of a still agreeable 68.2°F (20.1°C), noting a minor change from the preceding month. In December, Saint Augustine Beach encounters an average low-temperature of 56.3°F (13.5°C) during the night.Humidity
The months with the highest humidity in Saint Augustine Beach are July, August and December, with an average relative humidity of 77%.Rainfall
In Saint Augustine Beach, in December, during 11.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Saint Augustine Beach, during the entire year, the rain falls for 186.8 days and collects up to 30.2" (767mm) of precipitation.Snowfall
January and December are months with snowfall. The months with the most snowfall days are January and December, with an average of 0.1 snowfall days.Daylight
The month with the shortest days is December, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 7:03 am and sunset at 5:25 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:36 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 5.8h of sunshine.UV index
In Saint Augustine Beach, the average daily maximum UV index in December is 5. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum UV index of 5 in December translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures in Saint Augustine Beach?
What are the most humid months?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
When does it start snowing?
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 many hours of sunshine does Saint Augustine Beach have in December?
How high is the UV index in December?
Average temperature in December
Saint Augustine Beach, FL
- Average high temperature in December: 68.2°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (64°F).
- Average low temperature in December: 56.3°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (51.4°F).
Average pressure in December
Saint Augustine Beach, FL
- Average pressure in December: 30.12"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.98"Hg).
Average wind speed in December
Saint Augustine Beach, FL
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (6.5mph).
Average humidity in December
Saint Augustine Beach, FL
- Average humidity in December: 77%
The months with the highest relative humidity are July, August and December (77%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Saint Augustine Beach, FL
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (1.18").
Average rainfall days in December
Saint Augustine Beach, FL
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (24.8 days).
The month with the least rainy days is February (10.3 days).
Average snowfall days in December
Saint Augustine Beach, FL
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Saint Augustine Beach, FL
- Average daylight in December: 10h and 2min
The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Saint Augustine Beach, FL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is March (17.9 days).
The month with the least sunshine days is August (4.4 days).
Average UV index in December
Saint Augustine Beach, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Saint Augustine Beach, FL
- Average cloud cover in December: 38
The month with the most cloud cover is December (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Saint Augustine Beach, FL
- 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).
Saint Augustine Beach, Florida, USA
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