Longmen climate

Longmen Weather in December

NASA POWER reanalysis for the half-degree grid cell around Longmen, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 13°C on December 1 to 10°C on December 31, and lows from 4°C to 1°C. Normal precipitation for the month is 16 mm over about 6 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Longmen, in °C, with the record for each date.-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
11°C
Average low
2°C
Precipitation
16 mm
Reanalysis high
20°CDec 8, 1994
Reanalysis low
-7°CDec 28, 1991
Daylight
10 h 18 min to 10 h 11 min
Cloud cover
76%
Humidity
77%
Dew point
2°C
Wind
7.6 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 113°C4°C18°C 19982°C 199922%
Dec 213°C4°C17°C 20150°C 201121%
Dec 313°C4°C18°C 2013-1°C 199721%
Dec 413°C4°C16°C 1992-2°C 199720%
Dec 513°C4°C18°C 2016-2°C 200820%
Dec 613°C3°C18°C 1991-2°C 199619%
Dec 712°C3°C16°C 2016-3°C 199619%
Dec 812°C3°C20°C 1994-2°C 199719%
Dec 912°C3°C19°C 1994-2°C 200219%
Dec 1012°C3°C16°C 2010-1°C 201818%
Dec 1112°C3°C16°C 2004-3°C 201818%
Dec 1212°C2°C15°C 2004-1°C 201816%
Dec 1312°C2°C16°C 2019-3°C 199714%
Dec 1411°C2°C15°C 1998-1°C 200014%
Dec 1511°C2°C15°C 1996-2°C 200514%
Dec 1611°C2°C14°C 2006-7°C 201015%
Dec 1711°C2°C15°C 1998-4°C 201015%
Dec 1811°C2°C15°C 2008-2°C 201015%
Dec 1911°C2°C15°C 2004-4°C 199314%
Dec 2011°C1°C16°C 2008-2°C 200313%
Dec 2111°C1°C15°C 2016-4°C 200114%
Dec 2211°C1°C15°C 2006-4°C 199914%
Dec 2311°C1°C14°C 2000-3°C 200814%
Dec 2410°C1°C16°C 2001-4°C 199214%
Dec 2510°C1°C14°C 2006-2°C 199913%
Dec 2610°C1°C15°C 2000-4°C 200214%
Dec 2710°C1°C15°C 1998-5°C 199114%
Dec 2810°C1°C17°C 1998-7°C 199115%
Dec 2910°C1°C13°C 1993-5°C 199116%
Dec 3010°C1°C15°C 2000-5°C 200416%
Dec 3110°C1°C14°C 2015-6°C 200416%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Longmen, in percent.05101520251102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

December 1
sunrise 7:29 AM, sunset 5:47 PM
December 31
sunrise 7:47 AM, sunset 5:58 PM

Every day of December: sun and moon

Other months

Sources

Cloud, humidity, wind and sunshine, and temperature and precipitation: 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.