Boulsa Weather in May

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

Average highs run from 39°C on May 1 to 37°C on May 31, and lows from 26°C to 25°C. Normal precipitation for the month is 62 mm over about 16 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: 38°C
Average low: 26°C
Precipitation: 62 mm
Reanalysis high: 44°CMay 5, 2000
Reanalysis low: 21°CMay 6, 2003
Daylight: 12 h 35 min to 12 h 49 min
Cloud cover: 66%
Humidity: 51%
Dew point: 19°C
Wind: 13.0 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	39°C	26°C	43°C 2018	23°C 1991	32%
May 2	39°C	26°C	43°C 2016	23°C 1996	33%
May 3	39°C	26°C	43°C 2001	23°C 1996	34%
May 4	39°C	26°C	43°C 2016	23°C 2003	35%
May 5	39°C	26°C	44°C 2000	22°C 2003	36%
May 6	39°C	26°C	43°C 2019	21°C 2003	36%
May 7	39°C	26°C	43°C 1998	23°C 2005	36%
May 8	39°C	26°C	43°C 1996	23°C 2005	38%
May 9	39°C	26°C	42°C 2017	24°C 2004	40%
May 10	39°C	26°C	43°C 1998	24°C 2014	41%
May 11	39°C	26°C	42°C 2003	25°C 2014	41%
May 12	38°C	26°C	42°C 1996	24°C 2019	42%
May 13	38°C	26°C	42°C 1996	24°C 1999	41%
May 14	38°C	26°C	43°C 2015	24°C 1999	42%
May 15	38°C	26°C	42°C 2002	24°C 2012	43%
May 16	38°C	26°C	43°C 2002	23°C 1999	44%
May 17	38°C	26°C	43°C 2000	23°C 1999	46%
May 18	38°C	26°C	41°C 2000	24°C 1999	47%
May 19	38°C	26°C	42°C 2000	24°C 1997	48%
May 20	38°C	26°C	42°C 2020	24°C 1997	48%
May 21	38°C	26°C	42°C 2005	24°C 2006	50%
May 22	38°C	26°C	43°C 2016	24°C 2006	52%
May 23	38°C	26°C	41°C 2001	24°C 2011	53%
May 24	38°C	26°C	43°C 2005	23°C 1997	54%
May 25	38°C	26°C	42°C 2002	23°C 1991	55%
May 26	37°C	26°C	43°C 2002	23°C 1991	56%
May 27	37°C	26°C	43°C 2002	23°C 1991	58%
May 28	37°C	25°C	43°C 2008	24°C 1991	60%
May 29	37°C	25°C	41°C 2002	23°C 1991	61%
May 30	37°C	25°C	42°C 2015	23°C 1991	63%
May 31	37°C	25°C	43°C 2015	23°C 1991	65%

Chance of rain

Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT).

May 1: sunrise 5:42 AM, sunset 6:17 PM
May 31: sunrise 5:36 AM, sunset 6:25 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.