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, Harlem Heights experiences a minor shift in meteorological conditions with average high-temperatures marked at a still moderately hot 74.3°F (23.5°C), closely mirroring the climate in November. Throughout December, the temperature in Harlem Heights tends to fall to a consistent average low of 62.4°F (16.9°C).Humidity
The months with the highest humidity in Harlem Heights are September and December, with an average relative humidity of 76%.Rainfall
In Harlem Heights, in December, it is raining for 6.8 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, in Harlem Heights, there are 156.4 rainfall days, and 17.95" (456mm) of precipitation is accumulated.Daylight
December has the shortest days of the year in Harlem Heights, with an average of 10h and 30min of daylight.On the first day of the month, sunrise is at 6:59 am and sunset at 5:34 pm. On the last day of December, in Harlem Heights, sunrise is at 7:15 am and sunset at 5:46 pm EST.
Sunshine
December has the least sunshine of the year in Harlem Heights, with an average of 6.6h of sunshine.UV index
In December, the average daily maximum UV index in Harlem Heights is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 5 during December translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. 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 December temperatures in Harlem Heights?
What are the most humid months in Harlem Heights?
What is the average humidity in December in Harlem Heights?
How many days does it rain in December in Harlem Heights?
What is the month with the shortest days in Harlem Heights?
How many hours of daylight does Harlem Heights have in December?
When is the sunrise / sunset in December in Harlem Heights?
What is the month with the least sunshine in Harlem Heights?
How long on average sun shines in December in Harlem Heights?
How high is the UV index in December in Harlem Heights?
Average temperature in December
Harlem Heights, FL
- Average high temperature in December: 74.3°F
The warmest month (with the highest average high temperature) is August (88.9°F).
The month with the lowest average high temperature is January (70.7°F).
- Average low temperature in December: 62.4°F
The month with the highest average low temperature is August (79.7°F).
The coldest month (with the lowest average low temperature) is January (57.7°F).
Average pressure in December
Harlem Heights, 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
Harlem Heights, FL
- Average wind speed in December: 8.3mph
The windiest month (with the highest average wind speed) is October (8.7mph).
The calmest month (with the lowest average wind speed) is July (6.2mph).
Average humidity in December
Harlem Heights, FL
- Average humidity in December: 76%
The months with the highest relative humidity are September and December (76%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Harlem Heights, FL
- Average rainfall in December: 0.59"
The wettest month (with the highest rainfall) is August (3.94").
The driest months (with the least rainfall) are February and March (0.43").
Average rainfall days in December
Harlem Heights, FL
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is August (24 days).
The month with the least rainy days is February (6.2 days).
Average daylight in December /
Average sunshine in December
Harlem Heights, 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 4min
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 36min).
Average sunshine days in December
Harlem Heights, FL
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is January (22.8 days).
The month with the least sunshine days is August (5.3 days).
Average UV index in December
Harlem Heights, 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
Harlem Heights, FL
- Average cloud cover in December: 28
The month with the most cloud cover is January (Cloud cover 29).
The months with the least cloud cover are March and May (Cloud cover 24).
Average visibility in December
Harlem Heights, 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).
Harlem Heights, Florida, USA
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