East Mountain climate

East Mountain Weather in December

NOAA 1991-2020 normals for Longview #2, 15.3 km from East Mountain

Average highs run from 63°F on December 1 to 58°F on December 31, and lows from 41°F to 36°F. Normal precipitation for the month is 5.25 in over about 9 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 East Mountain, in °F, with the record for each date.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

December at a glance

Average high
60°F
Average low
38°F
Precipitation
5.25 in
Snowfall
0.1 in
Record high
85°FDec 4, 2005
Record low
-4°FDec 23, 1989
Chance of a freeze
97%
Daylight
10 h 10 min to 10 h 03 min
Cloud cover
59%
Humidity
81%
Dew point
40°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°F41°F79°F 195017°F 197523%0%
Dec 263°F41°F82°F 198217°F 197523%0%
Dec 363°F40°F80°F 198215°F 192924%0%
Dec 462°F40°F85°F 200519°F 200624%0%
Dec 562°F40°F82°F 193318°F 200924%0%
Dec 662°F40°F78°F 193917°F 195025%0%
Dec 762°F39°F84°F 193912°F 195025%0%
Dec 861°F39°F82°F 193917°F 200625%0%
Dec 961°F39°F80°F 200711°F 200525%0%
Dec 1061°F39°F82°F 200712°F 200526%0%
Dec 1161°F39°F82°F 194915°F 199526%0%
Dec 1260°F38°F81°F 200716°F 195726%0%
Dec 1360°F38°F80°F 193315°F 198926%0%
Dec 1460°F38°F81°F 193313°F 198526%0%
Dec 1560°F38°F80°F 197513°F 198527%0%
Dec 1659°F38°F75°F 19339°F 198927%0%
Dec 1759°F38°F78°F 19779°F 198927%0%
Dec 1859°F37°F78°F 200612°F 193227%0%
Dec 1959°F37°F79°F 198014°F 192927%0%
Dec 2059°F37°F77°F 197713°F 199627%0%
Dec 2159°F37°F78°F 200814°F 199628%0%
Dec 2259°F37°F80°F 19817°F 198328%0%
Dec 2358°F37°F79°F 1981-4°F 198928%0%
Dec 2458°F37°F82°F 1933-4°F 198928%0%
Dec 2558°F37°F82°F 19314°F 198328%0%
Dec 2658°F37°F80°F 19315°F 198328%0%
Dec 2758°F37°F78°F 200515°F 198328%0%
Dec 2858°F36°F80°F 200517°F 196728%0%
Dec 2958°F36°F78°F 198411°F 198328%1%
Dec 3058°F36°F78°F 19842°F 198328%1%
Dec 3158°F36°F75°F 19473°F 198328%1%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at East Mountain, 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 7:03 AM, sunset 5:13 PM
December 31
sunrise 7:21 AM, sunset 5:24 PM

Every day of December: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00415344 (Longview #2), public domain. Records: NOAA GHCN-Daily, station USC00413546, 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.