December weather forecastJensen Beach, FL
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Jensen Beach, Florida, with an average temperature varying between 65.3°F (18.5°C) and 74.5°F (23.6°C).Temperature
The shift into December finds Jensen Beach at an average high-temperature of a still warm 74.5°F (23.6°C), closely comparable to November's conditions. December nights observe an average temperature dip to an enjoyable 65.3°F (18.5°C).Humidity
In Jensen Beach, the average relative humidity in December is 76%.Rainfall
In Jensen Beach, during December, the rain falls for 9.3 days and regularly aggregates up to 0.71" (18mm) of precipitation. Throughout the year, there are 168.1 rainfall days, and 14.09" (358mm) of precipitation is accumulated.Ocean temperature
In Jensen Beach, the average seawater temperature in December is 75.6°F (24.2°C).Note: Every individual's cold threshold differs, but factors like today's sunshine, wind, and temperature can tip the scales for a delightful swim in 75.6°F (24.2°C) waters. For reference, Olympians swim in waters of 77°F (25°C) to 82.4°F (28°C).
Daylight
December has the shortest days of the year, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 6:53 am and sunset at 5:26 pm. On the last day of December, in Jensen Beach, sunrise is at 7:10 am and sunset at 5:37 pm EST.
Sunshine
January and December, with an average of 6.1h of sunshine, are months with the least sunshine in Jensen Beach.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 5 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Caution! The Sun's UV rays become stronger due to reflections from water and sand.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jensen Beach, FL
- Average high temperature in December: 74.5°F
The warmest month (with the highest average high temperature) is August (87.1°F).
The month with the lowest average high temperature is January (71.4°F).
- Average low temperature in December: 65.3°F
The month with the highest average low temperature is August (79.3°F).
The coldest month (with the lowest average low temperature) is January (61.2°F).
Average pressure in December
Jensen Beach, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Jensen Beach, FL
- Average wind speed in December: 9.9mph
The windiest months (with the highest average wind speed) are January, March and November (10.3mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in December
Jensen Beach, FL
- Average humidity in December: 76%
The months with the highest relative humidity are June and August (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Jensen Beach, FL
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is August (2.56").
The driest month (with the least rainfall) is January (0.39").
Average rainfall days in December
Jensen Beach, FL
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is August (23.1 days).
The month with the least rainy days is February (7.7 days).
Average sea temperature in December
Jensen Beach, FL
- Average sea temperature in December: 75.6°F
The best month for swimming (with the highest average sea temperature) is August (85.1°F).
The coldest month (with the lowest average sea temperature) is February (73.3°F).
Average daylight in December /
Average sunshine in December
Jensen Beach, FL
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 6h and 6min
The months with the most sunshine are July and August (Average sunshine: 10h and 54min).
The months with the least sunshine are January and December (Average sunshine: 6h and 6min).
Average sunshine days in December
Jensen Beach, FL
- Average sunshine days in December: 17.8 days
The month with the most sunshine days is January (19.5 days).
The month with the least sunshine days is August (3.4 days).
Average UV index in December
Jensen Beach, FL
- Average UV index in December: 5
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in December
Jensen Beach, FL
- Average cloud cover in December: 34
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are May and July (Cloud cover 26).
Average visibility in December
Jensen 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).
