Martin County climate

Martin County Weather in December

NOAA 1991-2020 normals for Port Salerno 5W, 13.5 km from Martin County

Average highs run from 77°F on December 1 to 74°F on December 31, and lows from 59°F to 55°F. Normal precipitation for the month is 2.92 in over about 10 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 Martin County, 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
57°F
Precipitation
2.92 in
Record high
99°FDec 12, 2002
Record low
26°FDec 13, 1962
Chance of a freeze
6%
Daylight
10 h 33 min to 10 h 28 min
Cloud cover
49%
Humidity
81%
Dew point
60°F
Wind
9.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Dec 177°F59°F87°F 194039°F 195732%
Dec 277°F59°F87°F 201638°F 195632%
Dec 377°F59°F88°F 201841°F 197432%
Dec 477°F58°F89°F 201842°F 197432%
Dec 577°F58°F87°F 199440°F 196832%
Dec 677°F58°F89°F 197241°F 196332%
Dec 777°F58°F87°F 199434°F 193732%
Dec 877°F58°F89°F 194636°F 201032%
Dec 977°F58°F92°F 194440°F 201032%
Dec 1076°F57°F89°F 194839°F 196231%
Dec 1176°F57°F90°F 200233°F 196231%
Dec 1276°F57°F99°F 200229°F 195731%
Dec 1376°F57°F98°F 200226°F 196231%
Dec 1476°F57°F85°F 195329°F 196231%
Dec 1576°F57°F86°F 201530°F 201030%
Dec 1676°F57°F89°F 194830°F 196830%
Dec 1776°F57°F86°F 201536°F 196830%
Dec 1876°F56°F87°F 201934°F 197329%
Dec 1976°F56°F89°F 194636°F 198129%
Dec 2076°F56°F86°F 202532°F 198129%
Dec 2175°F56°F87°F 195138°F 195429%
Dec 2275°F56°F88°F 194832°F 197328%
Dec 2375°F56°F86°F 197037°F 198528%
Dec 2475°F56°F87°F 195638°F 199528%
Dec 2575°F56°F91°F 194130°F 198327%
Dec 2675°F55°F87°F 194127°F 198327%
Dec 2775°F55°F87°F 194135°F 198527%
Dec 2875°F55°F85°F 194634°F 201026%
Dec 2975°F55°F85°F 194433°F 200026%
Dec 3074°F55°F86°F 201532°F 196126%
Dec 3174°F55°F84°F 194732°F 196125%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Martin County, in percent.0102030401102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 6:54 AM, sunset 5:27 PM
December 31
sunrise 7:11 AM, sunset 5:39 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00087304 (Port Salerno 5W), public domain. Records: NOAA GHCN-Daily, station USC00088620, 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.