Pecos climate

Pecos Weather in December

NOAA 1991-2020 normals for Pecos Nm, 3.1 km from Pecos

Average highs run from 49°F on December 1 to 46°F on December 31, and lows from 20°F to 17°F. Normal precipitation for the month is 0.97 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 Pecos, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
47°F
Average low
18°F
Precipitation
0.97 in
Snowfall
7.3 in
Record high
64°FDec 22, 2025
Record low
-7°FDec 22, 1949
Chance of a freeze
100%
Daylight
9 h 56 min to 9 h 48 min
Cloud cover
45%
Humidity
61%
Dew point
17°F
Wind
10.5 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 149°F20°F61°F 20128°F 200412%5%
Dec 249°F20°F62°F 19429°F 200412%5%
Dec 349°F20°F63°F 19548°F 202012%5%
Dec 449°F20°F62°F 20075°F 200912%5%
Dec 548°F19°F60°F 1946-1°F 201112%5%
Dec 648°F19°F58°F 2008-3°F 201112%6%
Dec 748°F19°F59°F 20204°F 200512%6%
Dec 848°F19°F60°F 2020-2°F 200512%6%
Dec 947°F19°F60°F 19503°F 201212%6%
Dec 1047°F18°F58°F 1950-3°F 201212%6%
Dec 1147°F18°F60°F 19502°F 199712%6%
Dec 1247°F18°F62°F 1950-2°F 194912%6%
Dec 1347°F18°F61°F 20253°F 194512%6%
Dec 1447°F18°F60°F 19463°F 194512%6%
Dec 1546°F18°F62°F 19460°F 194512%6%
Dec 1646°F17°F58°F 19466°F 194512%7%
Dec 1746°F17°F59°F 20255°F 200512%7%
Dec 1846°F17°F57°F 20259°F 194512%7%
Dec 1946°F17°F61°F 19508°F 194512%7%
Dec 2046°F17°F61°F 20255°F 195112%7%
Dec 2146°F17°F61°F 20253°F 195112%7%
Dec 2246°F17°F64°F 2025-7°F 194912%7%
Dec 2346°F17°F62°F 20251°F 194912%7%
Dec 2446°F17°F64°F 20250°F 200412%7%
Dec 2546°F17°F60°F 20250°F 194312%7%
Dec 2646°F17°F59°F 1955-2°F 199712%7%
Dec 2746°F17°F56°F 2017-1°F 199712%7%
Dec 2846°F17°F55°F 19551°F 201811%7%
Dec 2946°F17°F57°F 2005-7°F 201811%7%
Dec 3046°F17°F58°F 1998-1°F 194311%8%
Dec 3146°F17°F57°F 2025-1°F 201011%8%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Pecos, in percent, and of at least 0.1 inch of snowfall.02.557.51012.51102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

December 1
sunrise 6:54 AM, sunset 4:50 PM
December 31
sunrise 7:12 AM, sunset 5:00 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00296676 (Pecos Nm), public domain. Records: NOAA GHCN-Daily, station USW00023049, 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.