December weather forecastDover, FL
December
Weather in December
December, the first month of the winter in Dover, is also an agreeable month, with an average temperature varying between 56.8°F (13.8°C) and 72.5°F (22.5°C).Temperature
The shift into December finds Dover at an average high-temperature of a pleasant 72.5°F (22.5°C), closely comparable to November's conditions. Dover experiences a consistent average temperature of 56.8°F (13.8°C) throughout the nights in December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Dover, in December, it is raining for 9.5 days, with typically 1.73" (44mm) of accumulated precipitation. In Dover, during the entire year, the rain falls for 192.2 days and collects up to 37.91" (963mm) of precipitation.Daylight
With an average of 10h and 24min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:03 am and sunset at 5:32 pm. On the last day of December, sunrise is at 7:20 am and sunset at 5:44 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.2h of sunshine.UV index
In December, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 5 suggests these recommendations:
Take precautions - Protection against sun damage is advised. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dover, FL
- Average high temperature in December: 72.5°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (68.9°F).
- Average low temperature in December: 56.8°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 (51.8°F).
Average pressure in December
Dover, FL
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is January (30.13"Hg).
The month with the lowest atmospheric pressure is September (29.96"Hg).
Average wind speed in December
Dover, FL
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is March (6.9mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Dover, FL
- Average humidity in December: 76%
The month with the highest relative humidity is September (78%).
The months with the lowest relative humidity are March and May (71%).
Average rainfall in December
Dover, FL
- Average rainfall in December: 1.73"
The wettest month (with the highest rainfall) is August (6.93").
The driest month (with the least rainfall) is February (1.22").
Average rainfall days in December
Dover, FL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (27.3 days).
The month with the least rainy days is February (8.8 days).
Average daylight in December /
Average sunshine in December
Dover, 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 12min
The month with the most sunshine is May (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in December
Dover, FL
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (20.3 days).
The month with the least sunshine days is August (2.7 days).
Average UV index in December
Dover, 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
Dover, FL
- Average cloud cover in December: 34
The month with the most cloud cover is February (Cloud cover 35).
The month with the least cloud cover is May (Cloud cover 26).
Average visibility in December
Dover, 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).





