Mount Isa Weather in May
Average highs run from 31°C on May 1 to 27°C on May 31, and lows from 17°C to 13°C. Normal precipitation for the month is 9 mm over about 0 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
- 15°C
- Precipitation
- 9 mm
- Reanalysis high
- 38°CMay 4, 2007
- Reanalysis low
- 5°CMay 26, 2012
- Daylight
- 11 h 20 min to 10 h 58 min
- Cloud cover
- 25%
- Humidity
- 40%
- Dew point
- 5°C
- Wind
- 16.9 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 | 31°C | 17°C | 37°C 2016 | 9°C 1999 | 5% |
| May 2 | 31°C | 16°C | 38°C 2016 | 10°C 2006 | 5% |
| May 3 | 31°C | 16°C | 37°C 2007 | 9°C 2006 | 5% |
| May 4 | 30°C | 16°C | 38°C 2007 | 9°C 2006 | 4% |
| May 5 | 30°C | 16°C | 36°C 2007 | 10°C 2006 | 5% |
| May 6 | 30°C | 16°C | 35°C 2016 | 9°C 2006 | 5% |
| May 7 | 30°C | 16°C | 36°C 2016 | 9°C 2006 | 4% |
| May 8 | 30°C | 16°C | 34°C 2016 | 9°C 2006 | 5% |
| May 9 | 30°C | 15°C | 34°C 2020 | 9°C 2006 | 4% |
| May 10 | 30°C | 15°C | 33°C 2002 | 10°C 2011 | 5% |
| May 11 | 29°C | 15°C | 33°C 1996 | 7°C 2019 | 5% |
| May 12 | 29°C | 15°C | 33°C 1996 | 6°C 2011 | 5% |
| May 13 | 29°C | 15°C | 33°C 1995 | 8°C 2011 | 5% |
| May 14 | 29°C | 15°C | 33°C 1995 | 9°C 2015 | 5% |
| May 15 | 29°C | 15°C | 34°C 2007 | 8°C 2015 | 6% |
| May 16 | 29°C | 15°C | 34°C 2002 | 8°C 2011 | 6% |
| May 17 | 29°C | 14°C | 34°C 2007 | 9°C 2012 | 6% |
| May 18 | 29°C | 14°C | 34°C 2003 | 10°C 2001 | 6% |
| May 19 | 29°C | 14°C | 35°C 2003 | 8°C 2001 | 6% |
| May 20 | 29°C | 14°C | 34°C 2015 | 8°C 2001 | 5% |
| May 21 | 28°C | 14°C | 33°C 2013 | 9°C 2001 | 5% |
| May 22 | 28°C | 14°C | 33°C 2017 | 10°C 1995 | 5% |
| May 23 | 28°C | 14°C | 33°C 2002 | 8°C 2020 | 5% |
| May 24 | 28°C | 14°C | 33°C 2014 | 8°C 2006 | 4% |
| May 25 | 28°C | 14°C | 34°C 1994 | 7°C 2011 | 4% |
| May 26 | 28°C | 14°C | 33°C 2016 | 5°C 2012 | 4% |
| May 27 | 28°C | 13°C | 34°C 2016 | 6°C 2012 | 4% |
| May 28 | 28°C | 13°C | 33°C 2007 | 7°C 2006 | 4% |
| May 29 | 28°C | 13°C | 33°C 2007 | 6°C 2006 | 4% |
| May 30 | 28°C | 13°C | 33°C 1999 | 6°C 2006 | 4% |
| May 31 | 27°C | 13°C | 32°C 2015 | 6°C 2000 | 3% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+10).
- May 1
- sunrise 6:59 AM, sunset 6:19 PM
- May 31
- sunrise 7:11 AM, sunset 6:09 PM
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.