December weather forecastHobe Sound, FL
December
Weather in December
The first month of the winter, December, is also a moderately hot month in Hobe Sound, Florida, with an average temperature fluctuating between 74.7°F (23.7°C) and 66.7°F (19.3°C).Temperature
The arrival of December brings an average high-temperature of a still warm 74.7°F (23.7°C), nearly identical to November's 77.2°F (25.1°C). In the month of December, Hobe Sound experiences a minor discrepancy from peak daytime temperatures, settling at an average low-temperature of 66.7°F (19.3°C).Humidity
The average relative humidity in December in Hobe Sound is 76%.Rainfall
In Hobe Sound, during December, the rain falls for 15.5 days and regularly aggregates up to 2.2" (56mm) of precipitation. Throughout the year, in Hobe Sound, there are 227.4 rainfall days, and 44.72" (1136mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Hobe Sound, 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 Hobe Sound, sunrise is at 7:09 am and sunset at 5:37 pm EST.
Sunshine
In December, the average sunshine is 6h.UV index
The average daily maximum UV index in December is 6. A UV Index estimate of 6 to 7 represents a high health risk from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 6 during December morphs into the following directions:
Refrain from overexposure. Fair-skinned individuals could burn in under 20 minutes. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hobe Sound, FL
- Average high temperature in December: 74.7°F
The warmest month (with the highest average high temperature) is August (86.5°F).
The month with the lowest average high temperature is January (71.2°F).
- Average low temperature in December: 66.7°F
The month with the highest average low temperature is August (81°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in December
Hobe Sound, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in December
Hobe Sound, FL
- Average wind speed in December: 10.9mph
The windiest month (with the highest average wind speed) is January (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Hobe Sound, FL
- Average humidity in December: 76%
The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Hobe Sound, FL
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is August (7.64").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Hobe Sound, FL
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is August (26.7 days).
The month with the least rainy days is January (13 days).
Average daylight in December /
Average sunshine in December
Hobe Sound, 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 0min
The months with the most sunshine are July and August (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Hobe Sound, FL
- Average sunshine days in December: 10.7 days
The month with the most sunshine days is January (14.3 days).
The month with the least sunshine days is August (2.4 days).
Average UV index in December
Hobe Sound, FL
- Average UV index in December: 6
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 February (UV index 5).
Average cloud cover in December
Hobe Sound, FL
- Average cloud cover in December: 37
The months with the most cloud cover are November and December (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Hobe Sound, 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).





