December weather forecastAltamonte Springs, FL
December
Weather in December
The first month of the winter, December, is still a pleasant month in Altamonte Springs, Florida, with temperature in the range of an average low of 56.3°F (13.5°C) and an average high of 72.1°F (22.3°C).Temperature
December's advent notes a subtle adjustment in average high-temperature to a pleasant 72.1°F (22.3°C) from November. Altamonte Springs reports an average low-temperature of 56.3°F (13.5°C) during the nights of December.Humidity
In December, the average relative humidity in Altamonte Springs is 76%.Rainfall
In Altamonte Springs, in December, during 9.5 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. Throughout the year, there are 172.9 rainfall days, and 22.76" (578mm) 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 7:01 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:18 am and sunset at 5:39 pm EST.
Sunshine
With an average of 6.1h of sunshine, December has the least sunshine of the year.UV index
In Altamonte Springs, the average daily maximum UV index in December is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 5 transforms into the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Altamonte Springs, FL
- Average high temperature in December: 72.1°F
The warmest month (with the highest average high temperature) is August (91°F).
The month with the lowest average high temperature is January (68.2°F).
- Average low temperature in December: 56.3°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 (51.1°F).
Average pressure in December
Altamonte Springs, 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
Altamonte Springs, FL
- Average wind speed in December: 6mph
The windiest months (with the highest average wind speed) are March and April (6.5mph).
The calmest month (with the lowest average wind speed) is July (4.6mph).
Average humidity in December
Altamonte Springs, FL
- Average humidity in December: 76%
The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is March (70%).
Average rainfall in December
Altamonte Springs, FL
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is August (3.82").
The driest months (with the least rainfall) are January and March (0.79").
Average rainfall days in December
Altamonte Springs, FL
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is August (23.4 days).
The month with the least rainy days is January (8.9 days).
Average daylight in December /
Average sunshine in December
Altamonte Springs, 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 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in December
Altamonte Springs, FL
- Average sunshine days in December: 18.7 days
The month with the most sunshine days is January (19.3 days).
The month with the least sunshine days is August (4.6 days).
Average UV index in December
Altamonte Springs, 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
Altamonte Springs, FL
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 37).
The month with the least cloud cover is May (Cloud cover 28).
Average visibility in December
Altamonte Springs, 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).
