Portal climate

Portal Weather in December

NOAA 1991-2020 normals for Rocky Ford 4SE, 18.3 km from Portal

Average highs run from 63°F on December 1 to 58°F on December 31, and lows from 40°F to 37°F. Normal precipitation for the month is 3.49 in over about 7 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 Portal, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
60°F
Average low
38°F
Precipitation
3.49 in
Snowfall
0.2 in
Record high
86°FDec 9, 1951
Record low
7°FDec 25, 1983
Chance of a freeze
96%
Daylight
10 h 10 min to 10 h 03 min
Cloud cover
55%
Humidity
80%
Dew point
43°F
Wind
8.1 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 163°F40°F82°F 193122°F 192919%0%
Dec 263°F40°F81°F 198220°F 196519%0%
Dec 363°F39°F82°F 198223°F 194419%0%
Dec 463°F39°F83°F 195522°F 196019%0%
Dec 562°F39°F79°F 192623°F 193520%0%
Dec 662°F39°F78°F 195625°F 193520%0%
Dec 762°F39°F82°F 195115°F 193720%0%
Dec 862°F39°F81°F 197819°F 193720%0%
Dec 961°F39°F86°F 195120°F 200621%0%
Dec 1061°F39°F80°F 194320°F 200621%0%
Dec 1161°F39°F82°F 197221°F 198121%0%
Dec 1261°F39°F83°F 193118°F 193421%0%
Dec 1360°F38°F83°F 19568°F 196221%0%
Dec 1460°F38°F82°F 195619°F 196022%0%
Dec 1560°F38°F82°F 197218°F 196222%0%
Dec 1660°F38°F82°F 194815°F 194322%0%
Dec 1760°F38°F81°F 193317°F 194322%0%
Dec 1859°F38°F82°F 193317°F 194322%0%
Dec 1959°F38°F80°F 200817°F 195322%0%
Dec 2059°F38°F81°F 193118°F 198123%0%
Dec 2159°F38°F78°F 196717°F 198123%0%
Dec 2259°F38°F81°F 201317°F 197623%0%
Dec 2359°F37°F81°F 195615°F 198923%0%
Dec 2458°F37°F80°F 193114°F 202223%0%
Dec 2558°F37°F80°F 19267°F 198323%0%
Dec 2658°F37°F83°F 19429°F 198323%0%
Dec 2758°F37°F81°F 201518°F 193523%0%
Dec 2858°F37°F80°F 194617°F 192523%0%
Dec 2958°F37°F82°F 193218°F 192523%0%
Dec 3058°F37°F80°F 193222°F 196123%0%
Dec 3158°F37°F81°F 201519°F 198323%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Portal, in percent, and of at least 0.1 inch of snowfall.05101520251102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

December 1
sunrise 7:12 AM, sunset 5:22 PM
December 31
sunrise 7:29 AM, sunset 5:32 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00097528 (Rocky Ford 4SE), public domain. Records: NOAA GHCN-Daily, station USC00091266, 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.