Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December reports an average high-temperature of a still warm 75.2°F (24°C), slightly varied from November's 77.7°F (25.4°C). Maintaining close parity with daytime warmth, the average nocturnal temperature during December stays at a pleasant 71.1°F (21.7°C).Humidity
February, June and December, with an average relative humidity of 76%, are the most humid months.Rainfall
In December, in Rock Harbor, Florida, the rain falls for 12.5 days. Throughout December, 0.91" (23mm) of precipitation is accumulated. In Rock Harbor, during the entire year, the rain falls for 190.1 days and collects up to 27.05" (687mm) of precipitation.Daylight
The month with the shortest days in Rock Harbor is December, with an average of 10h and 36min of daylight.On the first day of the month, sunrise is at 6:50 am and sunset at 5:31 pm. On the last day of December, in Rock Harbor, sunrise is at 7:06 am and sunset at 5:43 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.4h of sunshine.UV index
In Rock Harbor, Florida, the average daily maximum UV index in December is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 6 turns into the following recommendations:
Avoid overexposure. Fair-skinned individuals can burn in under 20 minutes. Between 10 a.m. and 4 p.m., the Sun's UV radiation is at its peak. Limit your exposure to direct sunlight during these hours. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the usual temperature for Rock Harbor in December?
What is the most humid month in Rock Harbor?
What is the average humidity in December in Rock Harbor?
How much does it rain in Rock Harbor in December?
What is the month with the shortest days in Rock Harbor?
What is the average length of the day in December in Rock Harbor?
What time are sunrise and sunset in December in Rock Harbor?
What is the month with the least sunshine in Rock Harbor?
How long on average sun shines in December in Rock Harbor?
What is the UV index intensity in December in Rock Harbor?
Average temperature in December
Rock Harbor, FL
- Average high temperature in December: 75.2°F
The warmest month (with the highest average high temperature) is August (85.5°F).
The month with the lowest average high temperature is January (72.7°F).
- Average low temperature in December: 71.1°F
The month with the highest average low temperature is August (82.9°F).
The coldest month (with the lowest average low temperature) is January (66.9°F).
Average pressure in December
Rock Harbor, FL
- Average pressure in December: 30.07"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The months with the lowest atmospheric pressure are September and October (29.94"Hg).
Average wind speed in December
Rock Harbor, FL
- Average wind speed in December: 12.4mph
The windiest month (with the highest average wind speed) is January (12.9mph).
The calmest month (with the lowest average wind speed) is July (8.9mph).
Average humidity in December
Rock Harbor, FL
- Average humidity in December: 76%
The months with the highest relative humidity are February, June and December (76%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Rock Harbor, FL
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (4.33").
The driest month (with the least rainfall) is March (0.59").
Average rainfall days in December
Rock Harbor, FL
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is September (22.9 days).
The month with the least rainy days is February (9.7 days).
Average daylight in December /
Average sunshine in December
Rock Harbor, FL
- Average daylight in December: 10h and 4min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is July (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).
Average sunshine days in December
Rock Harbor, FL
- Average sunshine days in December: 14.9 days
The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is September (5.2 days).
Average UV index in December
Rock Harbor, FL
- Average UV index in December: 6
The months with the highest UV index are April, May, June, July, August, September and October (UV index 7).
The month with the lowest UV index is January (UV index 5).
Average cloud cover in December
Rock Harbor, FL
- Average cloud cover in December: 33
The month with the most cloud cover is October (Cloud cover 35).
The month with the least cloud cover is April (Cloud cover 26).
Average visibility in December
Rock Harbor, 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).
Rock Harbor, Florida, USA
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