Long Thành Weather in December

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

Average highs run from 30°C on December 1 to 31°C on December 31, and lows from 22°C to 21°C. Normal precipitation for the month is 34 mm over about 6 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: 31°C
Average low: 21°C
Precipitation: 34 mm
Reanalysis high: 38°CDec 15, 2015
Reanalysis low: 14°CDec 24, 1999
Daylight: 11 h 32 min to 11 h 30 min
Cloud cover: 65%
Humidity: 79%
Dew point: 21°C
Wind: 8.3 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	30°C	22°C	35°C 2015	16°C 2007	28%
Dec 2	30°C	22°C	36°C 2015	17°C 2007	26%
Dec 3	30°C	22°C	37°C 2015	18°C 2003	25%
Dec 4	30°C	22°C	36°C 2015	17°C 2019	24%
Dec 5	30°C	22°C	36°C 2015	18°C 1991	22%
Dec 6	30°C	22°C	36°C 2015	17°C 1995	22%
Dec 7	30°C	22°C	37°C 2015	16°C 2019	21%
Dec 8	30°C	22°C	37°C 2015	16°C 1993	21%
Dec 9	31°C	22°C	36°C 2015	18°C 2019	21%
Dec 10	31°C	22°C	36°C 2015	19°C 1995	20%
Dec 11	31°C	22°C	36°C 2015	19°C 2011	19%
Dec 12	31°C	22°C	36°C 2015	18°C 2011	19%
Dec 13	31°C	21°C	36°C 2015	18°C 1998	19%
Dec 14	31°C	21°C	37°C 2015	18°C 1998	19%
Dec 15	31°C	21°C	38°C 2015	17°C 2003	20%
Dec 16	31°C	21°C	36°C 2015	18°C 1992	18%
Dec 17	31°C	21°C	35°C 2015	18°C 1992	18%
Dec 18	31°C	21°C	35°C 2015	16°C 1992	18%
Dec 19	31°C	21°C	36°C 2015	16°C 2017	18%
Dec 20	31°C	21°C	35°C 2014	16°C 2017	19%
Dec 21	31°C	21°C	35°C 2014	17°C 2003	18%
Dec 22	31°C	21°C	36°C 2014	16°C 1999	17%
Dec 23	31°C	21°C	35°C 2014	14°C 1999	15%
Dec 24	31°C	21°C	35°C 2014	14°C 1999	14%
Dec 25	31°C	21°C	36°C 2014	14°C 1999	15%
Dec 26	31°C	21°C	37°C 2014	15°C 1999	14%
Dec 27	31°C	21°C	35°C 1994	16°C 1999	14%
Dec 28	31°C	21°C	37°C 2014	15°C 1996	13%
Dec 29	31°C	21°C	35°C 2014	18°C 1996	12%
Dec 30	31°C	21°C	35°C 2019	15°C 1995	11%
Dec 31	31°C	21°C	36°C 2015	14°C 1995	11%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 5:55 AM, sunset 5:27 PM
December 31: sunrise 6:10 AM, sunset 5:40 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.