December weather forecastJupiter, FL
December
Weather in December
December, the first month of the winter in Jupiter, is also a moderately hot month, with an average temperature ranging between min 67.6°F (19.8°C) and max 74.7°F (23.7°C).Temperature
With December's advent, Jupiter sees an average high-temperature of a still warm 74.7°F (23.7°C), subtly shifted from November's 77.2°F (25.1°C). December registers an average low temperature of 67.6°F (19.8°C), subtly lower than the daytime maximum.Humidity
In December, the average relative humidity in Jupiter is 76%.Rainfall
In Jupiter, in December, it is raining for 16.2 days, with typically 2.24" (57mm) of accumulated precipitation. In Jupiter, during the entire year, the rain falls for 230.9 days and collects up to 46.73" (1187mm) of precipitation.Ocean temperature
In December, the average ocean temperature is 75.9°F (24.4°C).Note: A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 75.9°F (24.4°C) water. (FYI: The Olympic swimming competition requires a water temperature between 77°F (25°C) and 82.4°F (28°C).)
Daylight
The month with the shortest days in Jupiter is December, with an average of 10h and 30min of daylight.On the first day of December, sunrise is at 6:52 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:09 am and sunset at 5:38 pm EST.
Sunshine
In December, the average sunshine is 6h.UV index
In December, the average daily maximum UV index in Jupiter is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 6 in December translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Attention! The combination of sand and water reflections enhances UV ray intensity.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jupiter, FL
- Average high temperature in December: 74.7°F
The warmest months (with the highest average high temperature) are July and August (86.4°F).
The month with the lowest average high temperature is January (71.6°F).
- Average low temperature in December: 67.6°F
The month with the highest average low temperature is August (81.1°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in December
Jupiter, 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
Jupiter, FL
- Average wind speed in December: 10.9mph
The windiest months (with the highest average wind speed) are January, March and November (11.4mph).
The calmest month (with the lowest average wind speed) is July (7.8mph).
Average humidity in December
Jupiter, FL
- Average humidity in December: 76%
The month with the highest relative humidity is June (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Jupiter, FL
- Average rainfall in December: 2.24"
The wettest month (with the highest rainfall) is August (8.11").
The driest month (with the least rainfall) is January (1.34").
Average rainfall days in December
Jupiter, FL
- Average rainfall days in December: 16.2 days
The month with the highest number of rainy days is August (26.4 days).
The months with the least rainy days are January and February (13.3 days).
Average sea temperature in December
Jupiter, FL
- Average sea temperature in December: 76°F
The best month for swimming (with the highest average sea temperature) is August (85.7°F).
The coldest month (with the lowest average sea temperature) is January (74.1°F).
Average daylight in December /
Average sunshine in December
Jupiter, 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 month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 54min).
Average sunshine days in December
Jupiter, FL
- Average sunshine days in December: 10.5 days
The month with the most sunshine days is January (13.7 days).
The month with the least sunshine days is August (2.3 days).
Average UV index in December
Jupiter, 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
Jupiter, FL
- Average cloud cover in December: 36
The month with the most cloud cover is November (Cloud cover 37).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in December
Jupiter, 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).
