Ilām Weather in May

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

Average highs run from 28°C on May 1 to 28°C on May 31, and lows from 16°C to 19°C. Normal precipitation for the month is 118 mm over about 19 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: 28°C
Average low: 18°C
Precipitation: 118 mm
Reanalysis high: 35°CMay 5, 1994
Reanalysis low: 13°CMay 1, 2002
Daylight: 13 h 11 min to 13 h 42 min
Cloud cover: 81%
Humidity: 61%
Dew point: 13°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
May 1	28°C	16°C	33°C 1995	13°C 2002	53%
May 2	28°C	16°C	33°C 1994	14°C 2005	55%
May 3	28°C	17°C	34°C 1994	14°C 1992	56%
May 4	28°C	17°C	34°C 1994	14°C 1992	58%
May 5	28°C	17°C	35°C 1994	15°C 2012	59%
May 6	28°C	17°C	34°C 1994	14°C 2012	58%
May 7	28°C	17°C	32°C 1994	14°C 1992	58%
May 8	28°C	17°C	33°C 1991	14°C 2013	57%
May 9	28°C	17°C	32°C 1991	15°C 1992	56%
May 10	28°C	17°C	33°C 1991	15°C 1992	55%
May 11	28°C	17°C	33°C 1991	14°C 2005	57%
May 12	28°C	17°C	32°C 1991	14°C 1993	58%
May 13	28°C	17°C	32°C 2010	15°C 2009	56%
May 14	28°C	17°C	32°C 2012	15°C 1999	58%
May 15	28°C	18°C	33°C 2012	14°C 1999	58%
May 16	28°C	18°C	33°C 1997	16°C 1999	58%
May 17	28°C	18°C	32°C 1997	16°C 2005	57%
May 18	28°C	18°C	32°C 1997	16°C 1996	58%
May 19	28°C	18°C	32°C 1998	16°C 1992	58%
May 20	28°C	18°C	32°C 2002	16°C 2011	58%
May 21	28°C	18°C	32°C 1998	15°C 2005	60%
May 22	28°C	18°C	32°C 1998	16°C 1992	61%
May 23	28°C	18°C	32°C 2012	16°C 1992	62%
May 24	28°C	18°C	32°C 1991	16°C 2004	62%
May 25	28°C	18°C	33°C 1995	16°C 1992	64%
May 26	28°C	18°C	34°C 1995	15°C 1992	63%
May 27	28°C	18°C	34°C 1995	15°C 1992	63%
May 28	28°C	19°C	32°C 1995	16°C 2002	64%
May 29	28°C	19°C	32°C 1995	16°C 2002	64%
May 30	28°C	19°C	31°C 1998	17°C 2020	65%
May 31	28°C	19°C	32°C 2005	16°C 2004	66%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+5:45).

May 1: sunrise 5:15 AM, sunset 6:26 PM
May 31: sunrise 5:00 AM, sunset 6:42 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.