December weather forecastPlymouth, FL
December
Weather in December
December, the first month of the winter in Plymouth, is still a pleasant month, with an average temperature fluctuating between 72°F (22.2°C) and 55.4°F (13°C).Temperature
December's weather records an average high-temperature of an agreeable 72°F (22.2°C), showing little deviation from November. Throughout December, Plymouth's nights cool down to an average of 55.4°F (13°C).Humidity
In December, the average relative humidity in Plymouth, Florida, is 76%.Rainfall
In Plymouth, Florida, during December, the rain falls for 10 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Plymouth, Florida, there are 195.8 rainfall days, and 37.68" (957mm) of precipitation is accumulated.Snowfall
February through December are months without snowfall in Plymouth.Daylight
The month with the shortest days in Plymouth is December, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:40 pm EST.
Sunshine
The months with the least sunshine in Plymouth are November and December, with an average of 6.1h of sunshine.UV index
In December, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A maximum high daily UV index of 5 during December translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Plymouth, FL
- Average high temperature in December: 72°F
The warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in December: 55.4°F
The month with the highest average low temperature is August (76.6°F).
The coldest month (with the lowest average low temperature) is January (50.5°F).
Average pressure in December
Plymouth, 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 (29.97"Hg).
Average wind speed in December
Plymouth, FL
- Average wind speed in December: 5.8mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Plymouth, FL
- Average humidity in December: 76%
The months with the highest relative humidity are July, August and September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Plymouth, FL
- Average rainfall in December: 1.85"
The wettest months (with the highest rainfall) are July and August (6.14").
The driest month (with the least rainfall) is March (1.38").
Average rainfall days in December
Plymouth, FL
- Average rainfall days in December: 10 days
The month with the highest number of rainy days is August (27 days).
The month with the least rainy days is January (9.8 days).
Average snowfall days in December
Plymouth, FL
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).
Average daylight in December /
Average sunshine in December
Plymouth, FL
- Average daylight in December: 10h and 24min
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 6min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The months with the least sunshine are November and December (Average sunshine: 6h and 6min).
Average sunshine days in December
Plymouth, FL
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is January (18.8 days).
The month with the least sunshine days is August (2.6 days).
Average UV index in December
Plymouth, FL
- Average UV index in December: 5
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 4).
Average cloud cover in December
Plymouth, FL
- Average cloud cover in December: 37
The months with the most cloud cover are January and February (Cloud cover 38).
The month with the least cloud cover is May (Cloud cover 30).
Average visibility in December
Plymouth, 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).





