Yermo climate

Yermo Weather in December

NOAA 1991-2020 normals for Barstow Daggett AP, 6.5 km from Yermo

Average highs run from 63°F on December 1 to 59°F on December 31, and lows from 37°F to 35°F. Normal precipitation for the month is 0.56 in over about 3 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 Yermo, 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
35°F
Precipitation
0.56 in
Snowfall
0.2 in
Record high
83°FDec 12, 1958
Record low
7°FDec 23, 1990
Chance of a freeze
99%
Daylight
9 h 59 min to 9 h 51 min
Cloud cover
40%
Humidity
51%
Dew point
25°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°F37°F80°F 200526°F 19577%0%
Dec 263°F37°F80°F 200827°F 20067%0%
Dec 362°F37°F80°F 195824°F 20068%0%
Dec 462°F36°F78°F 199524°F 20068%0%
Dec 562°F36°F78°F 201224°F 20118%0%
Dec 661°F36°F76°F 197720°F 20118%0%
Dec 761°F36°F78°F 195025°F 19788%0%
Dec 861°F36°F78°F 197517°F 19788%0%
Dec 960°F35°F78°F 197517°F 19569%0%
Dec 1060°F35°F77°F 201521°F 19519%0%
Dec 1160°F35°F79°F 195821°F 19499%0%
Dec 1260°F35°F83°F 195816°F 19499%0%
Dec 1360°F35°F76°F 195622°F 19459%0%
Dec 1460°F35°F79°F 198820°F 19459%0%
Dec 1559°F35°F80°F 198119°F 198710%0%
Dec 1659°F35°F76°F 198024°F 200110%0%
Dec 1759°F34°F79°F 202524°F 197110%0%
Dec 1859°F34°F80°F 199825°F 199310%0%
Dec 1959°F34°F80°F 202521°F 194510%0%
Dec 2059°F34°F79°F 202521°F 194510%0%
Dec 2159°F34°F76°F 201820°F 199011%0%
Dec 2259°F34°F78°F 195513°F 199011%0%
Dec 2359°F34°F77°F 19647°F 199011%0%
Dec 2459°F34°F76°F 196912°F 199011%0%
Dec 2559°F34°F75°F 196917°F 199011%0%
Dec 2659°F34°F75°F 196420°F 196211%0%
Dec 2759°F35°F73°F 198019°F 199011%0%
Dec 2859°F35°F76°F 198019°F 199011%0%
Dec 2959°F35°F79°F 202421°F 195411%0%
Dec 3059°F35°F73°F 195017°F 199011%0%
Dec 3159°F35°F74°F 199816°F 199011%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Yermo, 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 (PST).

December 1
sunrise 6:37 AM, sunset 4:36 PM
December 31
sunrise 6:55 AM, sunset 4:46 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023161 (Barstow Daggett AP), public domain. Records: NOAA GHCN-Daily, station USW00023161, 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.