Phumĭ Yoŭl Toŭng Weather in December

NASA POWER reanalysis for the half-degree grid cell around Phumĭ Yoŭl Toŭng, 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 30 mm over about 6 wet days.

December day by day

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

Normal low
Normal high
Record high
Record low

December at a glance

Average high: 30°C
Average low: 21°C
Precipitation: 30 mm
Record high: 36°CDec 1, 1952
Record low: 16°CDec 3, 1955
Daylight: 11 h 31 min to 11 h 28 min
Cloud cover: 60%
Humidity: 77%
Dew point: 20°C
Wind: 10.4 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	Record high	Record low	Chance wet
Dec 1	30°C	22°C	36°C 1952	18°C 1955	28%
Dec 2	30°C	21°C	31°C 1952	21°C 1958	26%
Dec 3	30°C	21°C	33°C 2024	16°C 1955	24%
Dec 4	30°C	21°C	33°C 1959	17°C 1955	24%
Dec 5	30°C	21°C	33°C 1959	17°C 1955	24%
Dec 6	30°C	21°C	32°C 2022	19°C 1958	24%
Dec 7	30°C	21°C	34°C 1963	19°C 2019	25%
Dec 8	30°C	21°C	33°C 2023	20°C 1955	24%
Dec 9	30°C	21°C	33°C 2023	19°C 2020	23%
Dec 10	30°C	21°C	32°C 2022	19°C 2019	22%
Dec 11	30°C	21°C	33°C 1959	19°C 1952	21%
Dec 12	30°C	21°C	33°C 2023	19°C 1953	20%
Dec 13	30°C	21°C	33°C 1957	20°C 1952	20%
Dec 14	30°C	21°C	32°C 1959	19°C 1952	19%
Dec 15	30°C	21°C	33°C 1959	19°C 1951	18%
Dec 16	30°C	21°C	32°C 1993	18°C 1951	17%
Dec 17	30°C	21°C	32°C 1959	18°C 1954	17%
Dec 18	30°C	21°C	34°C 2023	18°C 1952	17%
Dec 19	30°C	21°C	34°C 1958	18°C 1954	17%
Dec 20	30°C	21°C	33°C 1957	17°C 2017	17%
Dec 21	30°C	21°C	34°C 2023	18°C 1954	17%
Dec 22	30°C	21°C	32°C 1958	18°C 1954	15%
Dec 23	30°C	21°C	33°C 1958	18°C 1954	15%
Dec 24	30°C	20°C	34°C 1958	20°C 1954	14%
Dec 25	31°C	20°C	34°C 1958	18°C 1993	13%
Dec 26	31°C	20°C	33°C 1958	18°C 1993	13%
Dec 27	31°C	20°C	32°C 1958	17°C 1993	13%
Dec 28	31°C	20°C	32°C 1957	18°C 1956	13%
Dec 29	31°C	20°C	33°C 2023	17°C 1956	13%
Dec 30	31°C	20°C	33°C 2023	19°C 1994	13%
Dec 31	31°C	21°C	32°C 1957	19°C 1994	13%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

December 1: sunrise 6:04 AM, sunset 5:35 PM
December 31: sunrise 6:20 AM, sunset 5:48 PM

Every day of December: sun and moon

Other months

Sources

Records: NOAA GHCN-Daily, station CBM00048991, every year on file, quality-flagged values removed. 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 2026-09-27. Sun and moon: computed with the NOAA solar equations and Meeus.