December weather forecastIndian River Shores, FL
December
Weather in December
December, the first month of the winter in Indian River Shores, is still a warm month, with an average temperature ranging between max 73.6°F (23.1°C) and min 64°F (17.8°C).Temperature
Transitioning into December, Indian River Shores records an average high-temperature of a still warm 73.6°F (23.1°C), almost identical to November's 76.3°F (24.6°C). An average temperature of 64°F (17.8°C) marks the nights in December.Humidity
The average relative humidity in December is 77%.Rainfall
In Indian River Shores, in December, it is raining for 9.4 days, with typically 0.71" (18mm) of accumulated precipitation. In Indian River Shores, during the entire year, the rain falls for 153.2 days and collects up to 13.15" (334mm) of precipitation.Ocean temperature
In Indian River Shores, the average seawater temperature in December is 75°F (23.9°C).Note: Considering one's resistance to cold, elements like sunshine, wind, and the prevailing temperature matter when taking a swim in 75°F (23.9°C) waters. (For comparison, the Olympic swimming standard is set between 77°F (25°C) and 82.4°F (28°C).)
Daylight
The month with the shortest days in Indian River Shores is December, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 6:55 am and sunset at 5:26 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 5:37 pm EST.
Sunshine
In December, the average sunshine is 6.2h.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a regular UV index of 5 translates into these guidelines:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take caution! The UV rays from the Sun gain strength from sand and water reflections.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Indian River Shores, FL
- Average high temperature in December: 73.6°F
The warmest month (with the highest average high temperature) is August (87.4°F).
The month with the lowest average high temperature is January (70.2°F).
- Average low temperature in December: 64°F
The month with the highest average low temperature is August (78.6°F).
The coldest month (with the lowest average low temperature) is January (59.5°F).
Average pressure in December
Indian River Shores, FL
- Average pressure in December: 30.1"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
Indian River Shores, FL
- Average wind speed in December: 9.4mph
The windiest months (with the highest average wind speed) are January and November (9.9mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in December
Indian River Shores, 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
Indian River Shores, FL
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.39").
Average rainfall days in December
Indian River Shores, FL
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is August (20.2 days).
The month with the least rainy days is February (7.7 days).
Average sea temperature in December
Indian River Shores, FL
- Average sea temperature in December: 74.9°F
The best month for swimming (with the highest average sea temperature) is August (84.8°F).
The coldest months (with the lowest average sea temperature) are January and February (72.3°F).
Average daylight in December /
Average sunshine in December
Indian River Shores, 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 12min
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
Indian River Shores, FL
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is March (19.5 days).
The month with the least sunshine days is August (5.1 days).
Average UV index in December
Indian River Shores, 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
Indian River Shores, FL
- Average cloud cover in December: 35
The month with the most cloud cover is November (Cloud cover 36).
The months with the least cloud cover are May and August (Cloud cover 27).
Average visibility in December
Indian River Shores, 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).
