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's onset records a minor alteration in the average high-temperature to an agreeable 69.8°F (21°C) from November's 73.9°F (23.3°C). Throughout the month of December, Gulf Harbors sees a steady low-temperature average of 58.5°F (14.7°C).Humidity
The most humid month is December, with an average relative humidity of 77%.Rainfall
In December, the rain falls for 9 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. In Gulf Harbors, during the entire year, the rain falls for 164 days and collects up to 26.57" (675mm) of precipitation.Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of the month, sunrise is at 7:06 am and sunset at 5:34 pm. On the last day of December, sunrise is at 7:22 am and sunset at 5:45 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.5h of sunshine.UV index
In Gulf Harbors, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sun damage is advised. To guard against the harmful effects of the Sun, minimize exposure during midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
What is the month with the shortest days?
How many hours of daylight does Gulf Harbors have in December?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December in Gulf Harbors?
What is the UV index reading in December?
Average temperature in December
Gulf Harbors, FL
- Average high temperature in December: 69.8°F
The warmest month (with the highest average high temperature) is August (88.2°F).
The month with the lowest average high temperature is January (65.8°F).
- Average low temperature in December: 58.5°F
The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (53.8°F).
Average pressure in December
Gulf Harbors, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Gulf Harbors, FL
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).
Average humidity in December
Gulf Harbors, FL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The months with the lowest relative humidity are January, March and May (73%).
Average rainfall in December
Gulf Harbors, FL
- Average rainfall in December: 2.2"
The wettest months (with the highest rainfall) are July and August (4.76").
The driest months (with the least rainfall) are March and November (0.91").
Average rainfall days in December
Gulf Harbors, FL
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (24.9 days).
The month with the least rainy days is November (6.9 days).
Average daylight in December /
Average sunshine in December
Gulf Harbors, FL
- Average daylight in December: 10h and 2min
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 3min
The month with the most sunshine is May (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 30min).
Average sunshine days in December
Gulf Harbors, FL
- Average sunshine days in December: 19.8 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (4.3 days).
Average UV index in December
Gulf Harbors, 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 month with the lowest UV index is January (UV index 4).
Average cloud cover in December
Gulf Harbors, FL
- Average cloud cover in December: 30
The months with the most cloud cover are January and December (Cloud cover 30).
The month with the least cloud cover is May (Cloud cover 20).
Average visibility in December
Gulf Harbors, 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).
Gulf Harbors, Florida, USA
Weather forecast for your location
2. Allow the app to use your location