Saint Augustine South climate

Saint Augustine South Weather in December

NOAA 1991-2020 normals for St Augustine Lighthouse, 5.4 km from Saint Augustine South

Average highs run from 71°F on December 1 to 67°F on December 31, and lows from 54°F to 49°F. Normal precipitation for the month is 2.99 in over about 8 wet days.

December day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Saint Augustine South, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
69°F
Average low
51°F
Precipitation
2.99 in
Record high
86°FDec 19, 1990
Record low
16°FDec 25, 1983
Chance of a freeze
31%
Daylight
10 h 22 min to 10 h 15 min
Cloud cover
65%
Humidity
80%
Dew point
56°F
Wind
8.9 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 171°F54°F84°F 198533°F 197928%
Dec 271°F54°F83°F 199135°F 197428%
Dec 371°F54°F84°F 198335°F 197428%
Dec 471°F54°F84°F 197830°F 198928%
Dec 571°F54°F84°F 198231°F 199028%
Dec 670°F53°F83°F 201334°F 201028%
Dec 770°F53°F82°F 201329°F 198428%
Dec 870°F53°F83°F 197829°F 198428%
Dec 970°F53°F84°F 197830°F 198428%
Dec 1070°F53°F84°F 198631°F 198128%
Dec 1169°F52°F81°F 200728°F 198128%
Dec 1269°F52°F82°F 198531°F 199328%
Dec 1369°F52°F83°F 200929°F 198828%
Dec 1469°F52°F84°F 200125°F 201028%
Dec 1569°F52°F82°F 200930°F 201028%
Dec 1669°F51°F78°F 197532°F 198528%
Dec 1769°F51°F83°F 201533°F 198728%
Dec 1868°F51°F82°F 199031°F 200028%
Dec 1968°F51°F86°F 199024°F 198128%
Dec 2068°F51°F81°F 198425°F 200028%
Dec 2168°F50°F82°F 197831°F 198128%
Dec 2268°F50°F83°F 201329°F 197628%
Dec 2368°F50°F84°F 201321°F 198928%
Dec 2468°F50°F84°F 199017°F 198928%
Dec 2568°F50°F85°F 197416°F 198328%
Dec 2668°F49°F82°F 198717°F 198328%
Dec 2768°F49°F79°F 201526°F 197728%
Dec 2867°F49°F82°F 198725°F 197728%
Dec 2967°F49°F84°F 201531°F 201028%
Dec 3067°F49°F84°F 201532°F 200028%
Dec 3167°F49°F83°F 198824°F 200028%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Saint Augustine South, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:03 AM, sunset 5:25 PM
December 31
sunrise 7:21 AM, sunset 5:36 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00087826 (St Augustine Lighthouse), public domain. Records: NOAA GHCN-Daily, station USC00087826, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.