Longtan climate

Longtan Weather in December

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

Average highs run from 11°C on December 1 to 8°C on December 31, and lows from 3°C to -1°C. Normal precipitation for the month is 25 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 Longtan, 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
9°C
Average low
1°C
Precipitation
25 mm
Reanalysis high
20°CDec 8, 1994
Reanalysis low
-7°CDec 30, 2018
Daylight
10 h 28 min to 10 h 20 min
Cloud cover
72%
Humidity
82%
Dew point
1°C
Wind
7.2 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 111°C3°C16°C 1998-3°C 199628%
Dec 211°C3°C17°C 2013-2°C 199727%
Dec 311°C2°C17°C 2013-4°C 199727%
Dec 411°C2°C16°C 2010-3°C 199726%
Dec 510°C2°C19°C 2010-5°C 200525%
Dec 610°C2°C17°C 1994-5°C 200524%
Dec 710°C2°C18°C 1994-4°C 199623%
Dec 810°C1°C20°C 1994-6°C 201823%
Dec 910°C1°C17°C 1994-5°C 201822%
Dec 1010°C1°C16°C 1999-5°C 201821%
Dec 119°C1°C16°C 2019-4°C 201820%
Dec 129°C1°C16°C 2004-4°C 201820%
Dec 139°C1°C15°C 2019-3°C 200120%
Dec 149°C1°C15°C 2004-4°C 200120%
Dec 159°C0°C17°C 2004-4°C 199319%
Dec 169°C0°C17°C 2019-6°C 201019%
Dec 179°C0°C16°C 1998-6°C 201018%
Dec 189°C0°C15°C 1998-4°C 200518%
Dec 199°C0°C17°C 1997-5°C 201218%
Dec 209°C0°C18°C 2008-5°C 199918%
Dec 219°C0°C17°C 1998-4°C 199318%
Dec 229°C0°C15°C 1996-6°C 200819%
Dec 239°C0°C14°C 2000-6°C 200820%
Dec 248°C0°C16°C 2000-5°C 201220%
Dec 258°C0°C15°C 1993-6°C 200220%
Dec 268°C0°C15°C 2006-6°C 200221%
Dec 278°C0°C14°C 1999-6°C 199121%
Dec 288°C0°C14°C 1998-6°C 199122%
Dec 298°C-1°C15°C 1993-7°C 201822%
Dec 308°C-1°C17°C 1996-7°C 201824%
Dec 318°C-1°C17°C 1996-7°C 201825%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Longtan, in percent.01020301102030
  • Chance of a wet day

Sunrise and sunset

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

December 1
sunrise 7:19 AM, sunset 5:47 PM
December 31
sunrise 7:37 AM, sunset 5:57 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.