December weather forecastKeysville, FL
December
Weather in December
December, the first month of the winter in Keysville, is also an agreeable month, with an average temperature varying between 72.5°F (22.5°C) and 55.9°F (13.3°C).Temperature
Keysville marks the arrival of December with an average high-temperature of an agreeable 72.5°F (22.5°C), hardly different from November's 76.5°F (24.7°C). Throughout the month of December, the average temperature dips to a mild 55.9°F (13.3°C) at night.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 9.5 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, there are 189 rainfall days, and 36.54" (928mm) of precipitation is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 24min of daylight.On the first day of December, sunrise is at 7:02 am and sunset at 5:32 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:44 pm EST.
Sunshine
The month with the least sunshine is December, with an average of 6.1h of sunshine.UV index
The average daily maximum UV index in December in Keysville is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily high UV index of 5 in December leads to these guidelines:
Ensure safety - Recommendations to avert sunburn are presented. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Keysville, FL
- Average high temperature in December: 72.5°F
The warmest month (with the highest average high temperature) is August (90°F).
The month with the lowest average high temperature is January (68.9°F).
- Average low temperature in December: 55.9°F
The month with the highest average low temperature is August (75.7°F).
The coldest month (with the lowest average low temperature) is January (51.1°F).
Average pressure in December
Keysville, 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
Keysville, FL
- Average wind speed in December: 6.3mph
The windiest months (with the highest average wind speed) are March and April (6.8mph).
The calmest month (with the lowest average wind speed) is July (4.7mph).
Average humidity in December
Keysville, FL
- Average humidity in December: 77%
The months with the highest relative humidity are August and September (79%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Keysville, FL
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is August (6.89").
The driest months (with the least rainfall) are January and November (1.18").
Average rainfall days in December
Keysville, FL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is July (26.8 days).
The month with the least rainy days is January (9.1 days).
Average daylight in December /
Average sunshine in December
Keysville, 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 May (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Keysville, FL
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is January (19.9 days).
The month with the least sunshine days is July (2.9 days).
Average UV index in December
Keysville, 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
Keysville, FL
- Average cloud cover in December: 37
The months with the most cloud cover are February and December (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in December
Keysville, 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).
