Deltona, FL weather in December
In December, Deltona sees highs around 72°F and lows around 53°F: mild, with some rain. Expect about 7 wet days. It is one of the coolest months in Deltona. Good for outdoor plans.
- Normal high
- 72°F
- Normal low
- 53°F
- Wet days
- 7
- 2.5 in total
- Muggy days
- 3
- dew point 65°F+
How December changes from start to finish
| December 1 | December 31 | |
|---|---|---|
| Normal high | 75°F | 70°F |
| Normal low | 56°F | 50°F |
| Chance of a wet day | 23% | 25% |
| Sunrise / sunset | 7:01 am / 5:27 pm | 7:18 am / 5:37 pm |
| Daylight | 10.4 h | 10.3 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).
A typical December day
- 6 am56°Fdew point 52°F
- 9 am60°Fdew point 54°F
- Noon69°Fdew point 54°F
- 3 pm71°Fdew point 53°F
- 6 pm65°Fdew point 54°F
- 9 pm61°Fdew point 54°F
NOAA hourly normals (local standard time) from Orlando Sanford Airport (8 mi away); average wind 7 mph; clear or few clouds in 59% of daytime hours, mostly cloudy or overcast in 32%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F14 of 31
- Hot dayshigh 90°F or more0 of 31
- Muggy daysdaily mean dew point 65°F or more3 of 31
- Wet daysat least 0.01 in of rain or melted snow7 of 31
- Notable rainat least 0.10 in4 of 31
- Freezing nightslow 32°F or below1 of 31
Average days per December, counted from daily records for each year 1991-2020.
Rain in December
Normal precipitation is 2.5 in; a dry December brings about 0.7 in and a wet one about 3.2 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more.
How December varies from year to year
- Warmest December, 1991-20202015: average high 80°F
- Coolest December2010: average high 64°F
- Wettest December1997: 9.1 in
- Driest December2010: 0.1 in
- Highest reading88°F (December 31, 2015)
- Lowest reading27°F (December 30, 2010)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
December compared with November and January
| November | December | January | |
|---|---|---|---|
| Normal high | 77°F | 72°F | 70°F |
| Normal low | 59°F | 53°F | 49°F |
| Wet days | 7 | 7 | 8 |
| Comfortable days | 12 | 14 | 16 |
| Daylight | 10.7 h | 10.3 h | 10.5 h |
Highs change by -5°F from November and -2°F into January.
Nearby alternatives in December
- Warmer: Cape Coral, FL167 mi · high 77°F · 6 wet days
- Cooler: St. Simons Island, GA155 mi · high 64°F · 8 wet days
How Deltona ranks in December
- Normal high24th warmest of 378 cities; 15th of 23 in Florida
- Wet days123rd driest of 378
- Comfortable days40th most of 340
Heating and cooling
December has 142 heating degree days and 67 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.
Questions
How hot is Deltona in December?
The normal high is 72°F and the normal low is 53°F. From 1991 to 2020 the hottest December reading was 88°F (December 31, 2015).
Does it rain a lot in Deltona in December?
About 7 days in December have at least 0.01 in of precipitation, and the normal total is 2.5 in. The wettest December in 1991-2020 was in 1997 (9.1 in); the driest was in 2010 (0.2 in).
Is December a good time to visit Deltona?
December ranks 4th of 12 months on our comfort score for Deltona (63 out of 100). It has about 14 comfortable days. The best months are January, February and March.
Where the numbers come from
- Temperature, rain, snowfall, snow depth and frost dates: Sanford (USC00087982), 6.0 mi S of the city center, 12 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour: Orlando Sanford Airport (USW00012854), 8.4 mi S of the city center, 55 ft . NOAA normals and daily records, 1991-2020.
- Cloud cover: Orlando Executive Airport (USW00012841), 25 mi S of the city center, 108 ft (76 ft higher than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: Orlando Sanford Airport (722057-12854), 8.4 mi S of the city center, 49 ft . Hourly observations, 1991-2020.