Clewiston climate

Clewiston Weather in December

NOAA 1991-2020 normals for Clewiston #2, 11.6 km from Clewiston

Average highs run from 78°F on December 1 to 74°F on December 31, and lows from 56°F to 51°F. Normal precipitation for the month is 1.74 in over about 4 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 Clewiston, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
76°F
Average low
54°F
Precipitation
1.74 in
Record high
90°FDec 11, 2009
Record low
28°FDec 14, 2010
Chance of a freeze
12%
Daylight
10 h 35 min to 10 h 30 min
Cloud cover
49%
Humidity
81%
Dew point
58°F
Wind
8.1 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 178°F56°F84°F 200644°F 201115%
Dec 278°F56°F85°F 200642°F 200515%
Dec 378°F56°F89°F 200939°F 201015%
Dec 478°F56°F83°F 200639°F 201015%
Dec 578°F56°F83°F 201343°F 200715%
Dec 678°F55°F85°F 200241°F 201015%
Dec 777°F55°F84°F 201331°F 201015%
Dec 877°F55°F84°F 201231°F 201015%
Dec 977°F55°F84°F 200933°F 201015%
Dec 1077°F55°F89°F 200941°F 201415%
Dec 1177°F55°F90°F 200941°F 201415%
Dec 1276°F54°F82°F 201240°F 200315%
Dec 1376°F54°F83°F 201240°F 200415%
Dec 1476°F54°F82°F 201528°F 201015%
Dec 1576°F54°F87°F 200928°F 201014%
Dec 1676°F54°F86°F 201529°F 201014%
Dec 1776°F54°F85°F 201234°F 201014%
Dec 1875°F53°F86°F 201538°F 200314%
Dec 1975°F53°F87°F 201239°F 200313%
Dec 2075°F53°F82°F 200240°F 200313%
Dec 2175°F53°F86°F 201235°F 200313%
Dec 2275°F53°F85°F 201338°F 200513%
Dec 2375°F53°F86°F 201339°F 200513%
Dec 2474°F52°F85°F 201539°F 201212%
Dec 2574°F52°F86°F 201442°F 201012%
Dec 2674°F52°F85°F 201542°F 200212%
Dec 2774°F52°F87°F 201233°F 201012%
Dec 2874°F52°F85°F 201528°F 201012%
Dec 2974°F52°F86°F 201530°F 201011%
Dec 3074°F52°F89°F 201234°F 201011%
Dec 3174°F51°F85°F 201545°F 200511%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Clewiston, in percent.051015201102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 6:55 AM, sunset 5:30 PM
December 31
sunrise 7:12 AM, sunset 5:42 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00081651 (Clewiston #2), public domain. Records: NOAA GHCN-Daily, station USC00081651, 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.