December weather forecastKillarney, FL
December
Weather in December
December, the first month of the winter in Killarney, is still a pleasant month, with temperature in the range of an average low of 55.6°F (13.1°C) and an average high of 72°F (22.2°C).Temperature
December's commencement is accompanied by an average high-temperature of an agreeable 72°F (22.2°C), diverging marginally from November's 75.6°F (24.2°C). During the nights in December, an average low-temperature of 55.6°F (13.1°C) is observed.Humidity
In December, the average relative humidity is 77%.Rainfall
In December, the rain falls for 10.5 days. Throughout December, 2.05" (52mm) of precipitation is accumulated. In Killarney, during the entire year, the rain falls for 205.7 days and collects up to 41.1" (1044mm) of precipitation.Snowfall
In Killarney, snow does not fall in February through December.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 5:29 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:40 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 6.1h of sunshine.UV index
In Killarney, the average daily maximum UV index in December is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 5 during December translates into the following directions:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Killarney, FL
- Average high temperature in December: 72°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (67.6°F).
- Average low temperature in December: 55.6°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 (50.4°F).
Average pressure in December
Killarney, 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
Killarney, FL
- Average wind speed in December: 5.9mph
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
Killarney, FL
- Average humidity in December: 77%
The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Killarney, FL
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is July (6.81").
The driest months (with the least rainfall) are January and March (1.5").
Average rainfall days in December
Killarney, FL
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is August (28.4 days).
The month with the least rainy days is January (9.8 days).
Average snowfall days in December
Killarney, 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
Killarney, 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 months with the most sunshine are May and July (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Killarney, FL
- Average sunshine days in December: 17.2 days
The month with the most sunshine days is January (18.1 days).
The month with the least sunshine days is August (1.3 days).
Average UV index in December
Killarney, 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
Killarney, FL
- Average cloud cover in December: 36
The months with the most cloud cover are January and February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 29).
Average visibility in December
Killarney, 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).
