Khlong Yai Weather in December

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

Average highs run from 27°C on December 1 to 26°C on December 31, and lows from 20°C to 19°C. Normal precipitation for the month is 22 mm over about 3 wet days.

December day by day

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

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

December at a glance

Average high: 26°C
Average low: 19°C
Precipitation: 22 mm
Reanalysis high: 29°CDec 22, 2018
Reanalysis low: 10°CDec 25, 1999
Daylight: 11 h 29 min to 11 h 27 min
Cloud cover: 58%
Humidity: 82%
Dew point: 19°C
Wind: 5.4 km/h

Every day of the month

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

Date	Normal high	Normal low	Reanalysis high	Reanalysis low	Chance wet
Dec 1	27°C	20°C	28°C 2018	14°C 1992	21%
Dec 2	27°C	20°C	29°C 2012	14°C 2007	20%
Dec 3	26°C	20°C	29°C 2018	15°C 1992	18%
Dec 4	26°C	20°C	28°C 2018	16°C 2007	18%
Dec 5	26°C	20°C	28°C 2018	17°C 2009	18%
Dec 6	26°C	20°C	28°C 2018	15°C 2019	18%
Dec 7	26°C	20°C	28°C 1997	15°C 2019	19%
Dec 8	26°C	20°C	28°C 2006	15°C 2019	18%
Dec 9	26°C	20°C	28°C 2015	16°C 2019	18%
Dec 10	26°C	20°C	29°C 2015	15°C 2008	18%
Dec 11	26°C	20°C	29°C 2015	14°C 2011	16%
Dec 12	26°C	20°C	29°C 2015	14°C 2011	16%
Dec 13	26°C	19°C	29°C 2015	15°C 1998	15%
Dec 14	26°C	19°C	29°C 2015	16°C 1998	14%
Dec 15	26°C	19°C	28°C 2015	15°C 1998	14%
Dec 16	26°C	19°C	28°C 2012	16°C 1998	13%
Dec 17	26°C	19°C	29°C 2012	15°C 2010	12%
Dec 18	26°C	19°C	29°C 2012	15°C 1993	12%
Dec 19	26°C	19°C	29°C 2002	13°C 2017	12%
Dec 20	26°C	19°C	29°C 2018	12°C 2017	12%
Dec 21	26°C	19°C	29°C 2018	13°C 2017	12%
Dec 22	26°C	19°C	29°C 2018	14°C 1999	11%
Dec 23	26°C	19°C	29°C 2018	11°C 1999	10%
Dec 24	26°C	19°C	29°C 2019	11°C 1999	10%
Dec 25	26°C	19°C	29°C 2015	10°C 1999	10%
Dec 26	26°C	19°C	29°C 2019	11°C 1999	10%
Dec 27	26°C	19°C	28°C 1994	11°C 1999	9%
Dec 28	26°C	19°C	28°C 2020	13°C 1996	10%
Dec 29	26°C	19°C	28°C 2017	15°C 2013	10%
Dec 30	26°C	19°C	28°C 2019	14°C 1995	10%
Dec 31	26°C	19°C	29°C 2019	13°C 1995	11%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+7).

December 1: sunrise 6:13 AM, sunset 5:42 PM
December 31: sunrise 6:28 AM, sunset 5:55 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.