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
The transition from November to December sees average high-temperatures adjusting to a refreshing 66.4°F (19.1°C), from a not significantly different 71.6°F (22°C). Watertown's temperature in December lowers to a consistent average of 49.3°F (9.6°C) during the nights.Humidity
The months with the highest humidity are August, September and December, with an average relative humidity of 77%.Rainfall
In Watertown, Florida, in December, it is raining for 9.4 days, with typically 2.2" (56mm) of accumulated precipitation. Throughout the year, there are 176.6 rainfall days, and 32.17" (817mm) of precipitation is accumulated.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:09 am and sunset at 5:29 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 5:40 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 5.8h of sunshine.UV index
The average daily maximum UV index in December in Watertown is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 4 in December leads to these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
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 is the sunrise / sunset in December?
What is the month with the least sunshine?
How many hours of sunshine does Watertown have in December?
How high is the UV index in December?
Average temperature in December
Watertown, FL
- Average high temperature in December: 66.4°F
The warmest month (with the highest average high temperature) is July (91.4°F).
The month with the lowest average high temperature is January (62.6°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Watertown, FL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).
Average wind speed in December
Watertown, FL
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.3mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Watertown, FL
- Average humidity in December: 77%
The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Watertown, FL
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is July (5.12").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Watertown, FL
- Average rainfall days in December: 9.4 days
The month with the highest number of rainy days is August (27.6 days).
The month with the least rainy days is November (6.9 days).
Average daylight in December /
Average sunshine in December
Watertown, FL
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 5h and 48min).
Average sunshine days in December
Watertown, FL
- Average sunshine days in December: 20.1 days
The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is August (1.8 days).
Average UV index in December
Watertown, FL
- Average UV index in December: 4
The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Watertown, FL
- Average cloud cover in December: 40
The month with the most cloud cover is December (Cloud cover 40).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Watertown, 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).
Watertown, Florida, USA
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