Hà Tiên Weather in May

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

Average highs run from 33°C on May 1 to 30°C on May 31, and lows from 27°C to 27°C. Normal precipitation for the month is 205 mm over about 22 wet days.

May day by day

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

Normal low
Normal high
Reanalysis extreme high
Reanalysis extreme low

May at a glance

Average high: 31°C
Average low: 27°C
Precipitation: 205 mm
Reanalysis high: 38°CMay 5, 2016
Reanalysis low: 25°CMay 4, 1999
Daylight: 12 h 30 min to 12 h 41 min
Cloud cover: 82%
Humidity: 80%
Dew point: 25°C
Wind: 12.6 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
May 1	33°C	27°C	36°C 1998	25°C 1993	58%
May 2	33°C	27°C	36°C 1998	26°C 1999	59%
May 3	32°C	27°C	37°C 2016	25°C 1999	60%
May 4	32°C	27°C	37°C 2016	25°C 1999	62%
May 5	32°C	27°C	38°C 2016	26°C 1999	63%
May 6	32°C	27°C	36°C 1998	26°C 1999	64%
May 7	32°C	27°C	36°C 2016	26°C 1995	64%
May 8	32°C	27°C	37°C 2016	26°C 1999	66%
May 9	32°C	27°C	35°C 2010	26°C 1999	68%
May 10	32°C	27°C	36°C 2016	26°C 1999	70%
May 11	32°C	27°C	36°C 1998	26°C 1996	70%
May 12	31°C	27°C	36°C 1998	26°C 2009	71%
May 13	31°C	27°C	36°C 1998	26°C 1999	72%
May 14	31°C	27°C	37°C 2016	25°C 2008	73%
May 15	31°C	27°C	35°C 2016	26°C 2008	75%
May 16	31°C	27°C	35°C 2010	26°C 2007	76%
May 17	31°C	27°C	37°C 2010	25°C 1999	76%
May 18	31°C	27°C	35°C 2015	26°C 1997	78%
May 19	31°C	27°C	35°C 2015	26°C 2001	79%
May 20	31°C	27°C	34°C 1998	25°C 1999	78%
May 21	31°C	27°C	34°C 2015	26°C 1994	78%
May 22	31°C	27°C	35°C 1998	26°C 1999	78%
May 23	31°C	27°C	34°C 1998	26°C 2018	77%
May 24	31°C	27°C	33°C 1998	26°C 2008	76%
May 25	31°C	27°C	32°C 2018	26°C 1999	76%
May 26	30°C	27°C	32°C 2020	25°C 1999	76%
May 27	30°C	27°C	32°C 1992	25°C 1999	78%
May 28	30°C	27°C	33°C 1993	26°C 1999	79%
May 29	30°C	27°C	32°C 2004	26°C 2004	78%
May 30	30°C	27°C	32°C 1992	25°C 2012	78%
May 31	30°C	27°C	33°C 1993	26°C 1999	77%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 5:44 AM, sunset 6:14 PM
May 31: sunrise 5:39 AM, sunset 6:20 PM

Every day of May: 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.