December weather forecastPalm Bay, FL
December
Weather in December
As Palm Bay rings in December, it bids goodbye to the year with typical winter weather. The drop in air and sea temperatures is significant, and increased cloud cover contributes to the cool winter feel. Reduced daylight hours - down to an average of a meek 10.4 hours per day - introduce a subdued charm to the city. Despite the cool month, the wind speeds drop to an average 10.1mph (16.3km/h), contributing to the calm and serene atmosphere. December witnesses a modest amount of rainfall, keeping the festive spirit alive without much interruption.Temperature
Palm Bay transitions into December recording an average high-temperature of a pleasant 72.7°F (22.6°C), closely aligning with the preceding month's temperature. The low temperature average in Palm Bay during December reflects a slight decrease to a comfortable 63.7°F (17.6°C) from the day's peak.Humidity
In December, the average relative humidity in Palm Bay is 77%.Rainfall
In Palm Bay, in December, it is raining for 12.9 days, with typically 1.5" (38mm) of accumulated precipitation. In Palm Bay, during the entire year, the rain falls for 197.1 days and collects up to 35.98" (914mm) of precipitation.Ocean temperature
In Palm Bay, in December, the average water temperature is 74.1°F (23.4°C).Note: Swimming in 74.1°F (23.4°C) water can be enjoyable based on one's cold tolerance and conditions like sunshine, wind, and ambient temperature. (Olympic swimmers compete in waters between 77°F (25°C) and 82.4°F (28°C).)
Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:56 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 5:37 pm EST.
Sunshine
In December, the average sunshine is 6.1h.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index in Palm Bay. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily high UV index of 5 in December translates into this advice:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Watch out! Reflections from sand and water can surge UV radiation exposure.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Palm Bay, FL
- Average high temperature in December: 72.7°F
The warmest month (with the highest average high temperature) is August (86.7°F).
The month with the lowest average high temperature is January (69.3°F).
- Average low temperature in December: 63.7°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 (59.5°F).
Average pressure in December
Palm Bay, FL
- Average pressure in December: 30.1"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Palm Bay, FL
- Average wind speed in December: 10.1mph
The windiest month (with the highest average wind speed) is November (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in December
Palm Bay, FL
- Average humidity in December: 77%
The months with the highest relative humidity are June, July and August (79%).
The month with the lowest relative humidity is March (72%).
Average rainfall in December
Palm Bay, FL
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is August (6.85").
The driest month (with the least rainfall) is February (0.91").
Average rainfall days in December
Palm Bay, FL
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is August (25.5 days).
The month with the least rainy days is February (9.9 days).
Average sea temperature in December
Palm Bay, FL
- Average sea temperature in December: 74.2°F
The best month for swimming (with the highest average sea temperature) is August (84.7°F).
The coldest month (with the lowest average sea temperature) is January (71.4°F).
Average daylight in December /
Average sunshine in December
Palm Bay, FL
- Average daylight in December: 10h and 24min
The month with the longest days is June (Average daylight: 13h and 54min).
The month with the shortest days is December (Average daylight: 10h and 24min).
- Average sunshine in December: 6h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Palm Bay, FL
- Average sunshine days in December: 14.1 days
The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is August (3.3 days).
Average UV index in December
Palm Bay, 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, February and December (UV index 5).
Average cloud cover in December
Palm Bay, FL
- Average cloud cover in December: 35
The month with the most cloud cover is November (Cloud cover 36).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Palm Bay, 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).
