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 advent denotes a minor fluctuation in the average high-temperature to a still warm 75.7°F (24.3°C) from November's 78.8°F (26°C). Harlem reports an average nighttime low-temperature of 60.6°F (15.9°C) in December.Humidity
The average relative humidity in December in Harlem is 78%.Rainfall
In Harlem, during December, the rain falls for 8.3 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Harlem, during the entire year, the rain falls for 166.9 days and collects up to 16.06" (408mm) of precipitation.Daylight
With an average of 10h and 30min of daylight, December has the shortest days of the year in Harlem, Florida.On the first day of the month, sunrise is at 6:55 am and sunset at 5:30 pm. On the last day of December, sunrise is at 7:12 am and sunset at 5:41 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6.2h of sunshine.UV index
January, February and December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during December leads to these instructions:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure.
Frequently asked questions
What is the temperature in December in Harlem?
What is the average humidity in December in Harlem?
How many days does it rain in December in Harlem?
What is the month with the shortest days in Harlem?
How many hours of daylight does Harlem have in December?
When are sunrise and sunset in December in Harlem?
What is the month with the least sunshine in Harlem?
How long on average sun shines in December in Harlem?
When is the lowest UV index in Harlem?
How high is the UV index in December in Harlem?
Average temperature in December
Harlem, FL
- Average high temperature in December: 75.7°F
The warmest month (with the highest average high temperature) is August (89.6°F).
The month with the lowest average high temperature is January (72.3°F).
- Average low temperature in December: 60.6°F
The month with the highest average low temperature is August (76.5°F).
The coldest month (with the lowest average low temperature) is January (56.1°F).
Average pressure in December
Harlem, 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, FL
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is March (7.1mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Harlem, FL
- Average humidity in December: 78%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Harlem, FL
- Average rainfall in December: 0.87"
The wettest month (with the highest rainfall) is August (3.19").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days in December
Harlem, FL
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is January (6.8 days).
Average daylight in December /
Average sunshine in December
Harlem, 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 1min
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 12min).
Average sunshine days in December
Harlem, FL
- Average sunshine days in December: 18.2 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (4.3 days).
Average UV index in December
Harlem, 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
Harlem, FL
- Average cloud cover in December: 34
The months with the most cloud cover are January, November and December (Cloud cover 34).
The months with the least cloud cover are March, April and May (Cloud cover 29).
Average visibility in December
Harlem, 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, Florida, USA
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