Mullaittivu Weather in May

NASA POWER reanalysis for the half-degree grid cell around Mullaittivu, 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 May 1 to 31°C on May 31, and lows from 29°C to 29°C. Normal precipitation for the month is 109 mm over about 17 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: 29°C
Precipitation: 109 mm
Reanalysis high: 32°CMay 15, 2000
Reanalysis low: 27°CMay 13, 1995
Daylight: 12 h 27 min to 12 h 37 min
Cloud cover: 63%
Humidity: 80%
Dew point: 26°C
Wind: 23.4 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
May 1	30°C	29°C	32°C 2019	27°C 1995	63%
May 2	30°C	29°C	32°C 2019	27°C 1999	64%
May 3	30°C	29°C	32°C 2019	27°C 1999	64%
May 4	30°C	29°C	32°C 2001	27°C 1999	64%
May 5	30°C	29°C	32°C 2019	27°C 1995	63%
May 6	30°C	29°C	32°C 2019	27°C 1995	63%
May 7	31°C	29°C	32°C 2019	27°C 1995	62%
May 8	31°C	29°C	32°C 1991	28°C 1999	61%
May 9	31°C	29°C	32°C 1991	28°C 1999	60%
May 10	31°C	29°C	32°C 2001	28°C 1995	60%
May 11	31°C	29°C	32°C 2010	27°C 2003	60%
May 12	31°C	29°C	32°C 2010	27°C 1995	58%
May 13	31°C	29°C	32°C 1996	27°C 1995	59%
May 14	31°C	29°C	32°C 2000	27°C 1995	58%
May 15	31°C	29°C	32°C 2000	27°C 1997	57%
May 16	31°C	29°C	32°C 1996	27°C 1999	55%
May 17	31°C	29°C	32°C 1996	27°C 1999	54%
May 18	31°C	29°C	32°C 2000	28°C 1999	53%
May 19	31°C	29°C	32°C 1996	28°C 1992	52%
May 20	31°C	29°C	32°C 1996	28°C 1993	52%
May 21	31°C	29°C	32°C 2000	28°C 1995	52%
May 22	31°C	29°C	32°C 1996	28°C 1995	51%
May 23	31°C	29°C	32°C 2000	27°C 1993	51%
May 24	31°C	29°C	32°C 2001	27°C 1993	51%
May 25	31°C	29°C	32°C 2019	27°C 1999	50%
May 26	31°C	29°C	32°C 2019	27°C 1999	51%
May 27	31°C	29°C	32°C 1996	27°C 1994	52%
May 28	31°C	29°C	32°C 1998	27°C 1994	52%
May 29	31°C	29°C	32°C 1997	27°C 1994	53%
May 30	31°C	29°C	32°C 1997	27°C 1999	55%
May 31	31°C	29°C	32°C 1997	27°C 2006	57%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+5:30).

May 1: sunrise 5:50 AM, sunset 6:17 PM
May 31: sunrise 5:46 AM, sunset 6:23 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 2026-09-26. Sun and moon: computed with the NOAA solar equations and Meeus.