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
In December, Pirate Harbor experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 78.4°F (25.8°C) in November to a still warm 74.8°F (23.8°C). An average low-temperature of 59.4°F (15.2°C) marks the nights in Pirate Harbor throughout December.Humidity
In Pirate Harbor, the average relative humidity in December is 77%.Rainfall
In December, the rain falls for 9.4 days. Throughout December, 1.22" (31mm) of precipitation is accumulated. Throughout the year, there are 181.8 rainfall days, and 29.37" (746mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 7:00 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:46 pm EST.
Sunshine
With an average of 6.3h of sunshine, December has the least sunshine of the year.UV index
January, February, November 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 moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index, 5 during December, leads to the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Pirate Harbor have in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Pirate Harbor, FL
- Average high temperature in December: 74.8°F
The warmest months (with the highest average high temperature) are July and August (90.1°F).
The month with the lowest average high temperature is January (70.9°F).
- Average low temperature in December: 59.4°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (54.3°F).
Average pressure in December
Pirate Harbor, FL
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is September (29.95"Hg).
Average wind speed in December
Pirate Harbor, FL
- Average wind speed in December: 7.1mph
The windiest months (with the highest average wind speed) are January and March (7.5mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in December
Pirate Harbor, FL
- Average humidity in December: 77%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Pirate Harbor, FL
- Average rainfall in December: 1.22"
The wettest month (with the highest rainfall) is August (5.39").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in December
Pirate Harbor, FL
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is August (25.6 days).
The months with the least rainy days are January and February (8.1 days).
Average daylight in December /
Average sunshine in December
Pirate Harbor, FL
- Average daylight in December: 10h and 3min
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 2min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in December
Pirate Harbor, FL
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is August (3.8 days).
Average UV index in December
Pirate Harbor, 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, November and December (UV index 5).
Average cloud cover in December
Pirate Harbor, FL
- Average cloud cover in December: 32
The month with the most cloud cover is December (Cloud cover 32).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Pirate 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).
Pirate Harbor, Florida, USA
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