Mon Weather in May

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

Average highs run from 29°C on May 1 to 30°C on May 31, and lows from 17°C to 20°C. Normal precipitation for the month is 192 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: 29°C
Average low: 18°C
Precipitation: 192 mm
Reanalysis high: 36°CMay 6, 2007
Reanalysis low: 13°CMay 2, 2012
Daylight: 13 h 10 min to 13 h 41 min
Cloud cover: 82%
Humidity: 71%
Dew point: 17°C
Wind: 4.7 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	29°C	17°C	33°C 1999	14°C 2012	57%
May 2	29°C	17°C	33°C 2007	13°C 2012	58%
May 3	29°C	17°C	33°C 2007	14°C 1992	58%
May 4	29°C	17°C	34°C 2019	14°C 1992	58%
May 5	29°C	17°C	35°C 2007	14°C 1992	57%
May 6	29°C	17°C	36°C 2007	15°C 2013	57%
May 7	29°C	17°C	32°C 2007	15°C 1992	58%
May 8	29°C	18°C	33°C 1999	16°C 1992	59%
May 9	29°C	18°C	32°C 2002	15°C 1992	60%
May 10	29°C	18°C	33°C 2008	15°C 1997	61%
May 11	29°C	18°C	33°C 2000	16°C 1993	61%
May 12	29°C	18°C	34°C 2000	15°C 1993	60%
May 13	29°C	18°C	36°C 2000	15°C 2018	61%
May 14	29°C	18°C	35°C 2000	15°C 2018	61%
May 15	29°C	18°C	33°C 2000	14°C 2006	62%
May 16	29°C	18°C	33°C 1998	14°C 2006	62%
May 17	29°C	18°C	34°C 1998	16°C 2006	63%
May 18	29°C	18°C	36°C 2003	16°C 1993	63%
May 19	29°C	18°C	34°C 1998	16°C 1993	64%
May 20	29°C	19°C	33°C 2007	15°C 2004	66%
May 21	29°C	19°C	34°C 2002	16°C 1993	66%
May 22	29°C	19°C	33°C 1998	16°C 2005	68%
May 23	30°C	19°C	34°C 1998	18°C 2019	68%
May 24	30°C	19°C	33°C 2001	18°C 1991	69%
May 25	30°C	19°C	34°C 1998	17°C 2004	70%
May 26	30°C	19°C	32°C 2001	17°C 2020	71%
May 27	30°C	19°C	33°C 1998	17°C 1997	72%
May 28	30°C	19°C	32°C 1995	16°C 1997	73%
May 29	30°C	19°C	34°C 1991	16°C 2020	74%
May 30	30°C	19°C	33°C 1995	18°C 2020	75%
May 31	30°C	20°C	34°C 2003	18°C 1997	76%

Chance of rain

Chance of a wet day

Sunrise and sunset

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

May 1: sunrise 4:32 AM, sunset 5:42 PM
May 31: sunrise 4:17 AM, sunset 5:58 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.