Sweeny climate

Sweeny Weather in December

NOAA 1991-2020 normals for Angleton 2 W, 26.8 km from Sweeny

Average highs run from 70°F on December 1 to 65°F on December 31, and lows from 52°F to 48°F. Normal precipitation for the month is 4.55 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 Sweeny, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
67°F
Average low
50°F
Precipitation
4.55 in
Record high
88°FDec 5, 1912
Record low
7°FDec 22, 1989
Chance of a freeze
34%
Daylight
10 h 26 min to 10 h 20 min
Cloud cover
62%
Humidity
81%
Dew point
51°F
Wind
11.0 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 170°F52°F82°F 196722°F 197423%0%
Dec 270°F52°F82°F 195428°F 202524%0%
Dec 369°F52°F82°F 199531°F 197424%0%
Dec 469°F52°F82°F 195431°F 200624%0%
Dec 569°F52°F88°F 191225°F 200924%0%
Dec 669°F52°F82°F 191621°F 195024%0%
Dec 769°F51°F81°F 195619°F 195024%0%
Dec 869°F51°F82°F 195628°F 200524%0%
Dec 968°F51°F82°F 195627°F 191624%0%
Dec 1068°F51°F80°F 196124°F 197824%0%
Dec 1168°F51°F82°F 196127°F 196624%0%
Dec 1268°F51°F79°F 194921°F 198924%0%
Dec 1368°F51°F81°F 195625°F 196625%0%
Dec 1468°F50°F79°F 195025°F 198525%0%
Dec 1567°F50°F81°F 195019°F 198925%0%
Dec 1667°F50°F80°F 201119°F 198925%0%
Dec 1767°F50°F81°F 191225°F 197225%0%
Dec 1867°F50°F80°F 202422°F 199625%0%
Dec 1967°F50°F79°F 202127°F 201625%0%
Dec 2067°F49°F83°F 191623°F 197325%0%
Dec 2166°F49°F84°F 195118°F 197325%0%
Dec 2266°F49°F79°F 19497°F 198925%0%
Dec 2366°F49°F82°F 20157°F 198925%0%
Dec 2466°F49°F80°F 191617°F 198925%0%
Dec 2566°F49°F81°F 196413°F 198325%0%
Dec 2666°F48°F84°F 196415°F 198325%0%
Dec 2765°F48°F80°F 201624°F 198325%0%
Dec 2865°F48°F81°F 191630°F 196125%0%
Dec 2965°F48°F83°F 200423°F 198325%0%
Dec 3065°F48°F83°F 197018°F 198325%0%
Dec 3165°F48°F81°F 202421°F 198325%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sweeny, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CST).

December 1
sunrise 6:59 AM, sunset 5:25 PM
December 31
sunrise 7:16 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 USC00410257 (Angleton 2 W), public domain. Records: NOAA GHCN-Daily, station USC00410569, 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.