Starbase climate

Starbase Weather in December

NOAA 1991-2020 normals for Port Isabel, 17 km from Starbase

Average highs run from 73°F on December 1 to 69°F on December 31, and lows from 57°F to 51°F. Normal precipitation for the month is 1.41 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 Starbase, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
71°F
Average low
54°F
Precipitation
1.41 in
Snowfall
0.2 in
Record high
91°FDec 23, 2015
Record low
28°FDec 25, 2004
Chance of a freeze
16%
Daylight
10 h 38 min to 10 h 32 min
Cloud cover
67%
Humidity
80%
Dew point
62°F
Wind
15.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Dec 173°F57°F85°F 201238°F 202020%0%
Dec 273°F56°F84°F 200742°F 200920%0%
Dec 373°F56°F86°F 201246°F 200020%0%
Dec 473°F56°F86°F 201237°F 200921%0%
Dec 572°F56°F85°F 201730°F 200921%0%
Dec 672°F55°F85°F 202141°F 199921%0%
Dec 772°F55°F84°F 199835°F 201121%0%
Dec 872°F55°F85°F 201232°F 201722%0%
Dec 972°F55°F85°F 200834°F 201722%0%
Dec 1071°F55°F84°F 201540°F 201722%0%
Dec 1171°F54°F82°F 200037°F 200823%0%
Dec 1271°F54°F84°F 202538°F 200023%0%
Dec 1371°F54°F84°F 201635°F 200024%0%
Dec 1471°F54°F89°F 201942°F 199824%0%
Dec 1571°F54°F85°F 201240°F 201325%0%
Dec 1670°F53°F89°F 201939°F 201325%0%
Dec 1770°F53°F83°F 201635°F 200326%0%
Dec 1870°F53°F86°F 202538°F 200326%0%
Dec 1970°F53°F84°F 201237°F 200027%0%
Dec 2070°F53°F85°F 202541°F 200027%0%
Dec 2170°F53°F86°F 200741°F 201828%0%
Dec 2269°F52°F84°F 201735°F 199828%0%
Dec 2369°F52°F91°F 201535°F 199829%0%
Dec 2469°F52°F86°F 201531°F 200429%0%
Dec 2569°F52°F88°F 201228°F 200429%0%
Dec 2669°F52°F85°F 201531°F 200430%0%
Dec 2769°F52°F85°F 202539°F 200130%0%
Dec 2869°F52°F87°F 202436°F 200030%0%
Dec 2969°F52°F87°F 202138°F 199930%0%
Dec 3069°F52°F85°F 202439°F 200030%0%
Dec 3169°F51°F87°F 201043°F 202030%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Starbase, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 6:59 AM, sunset 5:37 PM
December 31
sunrise 7:16 AM, sunset 5:48 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00417179 (Port Isabel), public domain. Records: NOAA GHCN-Daily, station USW00012957, 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.