Ruiru Weather in May
Average highs run from 25°C on May 1 to 24°C on May 31, and lows from 14°C to 13°C. Normal precipitation for the month is 96 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
- 24°C
- Average low
- 14°C
- Precipitation
- 96 mm
- Reanalysis high
- 29°CMay 23, 2000
- Reanalysis low
- 10°CMay 24, 2006
- Daylight
- 12 h 04 min to 12 h 04 min
- Cloud cover
- 70%
- Humidity
- 79%
- Dew point
- 14°C
- Wind
- 11.9 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 | 25°C | 14°C | 28°C 2019 | 13°C 2013 | 83% |
| May 2 | 25°C | 14°C | 28°C 2019 | 12°C 2018 | 82% |
| May 3 | 25°C | 14°C | 29°C 2019 | 12°C 2015 | 81% |
| May 4 | 24°C | 14°C | 28°C 2019 | 12°C 2018 | 81% |
| May 5 | 24°C | 14°C | 27°C 2014 | 12°C 1994 | 80% |
| May 6 | 24°C | 14°C | 27°C 2019 | 12°C 1997 | 80% |
| May 7 | 24°C | 14°C | 28°C 2019 | 12°C 1992 | 80% |
| May 8 | 24°C | 14°C | 28°C 2019 | 11°C 1997 | 77% |
| May 9 | 24°C | 14°C | 27°C 2016 | 12°C 2016 | 75% |
| May 10 | 24°C | 14°C | 27°C 2005 | 12°C 1999 | 72% |
| May 11 | 24°C | 14°C | 26°C 2014 | 12°C 2019 | 70% |
| May 12 | 24°C | 14°C | 27°C 2019 | 12°C 1994 | 69% |
| May 13 | 24°C | 14°C | 28°C 2019 | 13°C 1994 | 66% |
| May 14 | 24°C | 14°C | 27°C 2019 | 12°C 2000 | 64% |
| May 15 | 24°C | 14°C | 28°C 2016 | 12°C 2013 | 61% |
| May 16 | 24°C | 14°C | 28°C 2016 | 12°C 2016 | 59% |
| May 17 | 24°C | 14°C | 27°C 2019 | 12°C 1998 | 56% |
| May 18 | 24°C | 13°C | 28°C 2000 | 11°C 1993 | 53% |
| May 19 | 24°C | 13°C | 28°C 2005 | 10°C 1997 | 51% |
| May 20 | 24°C | 13°C | 27°C 2005 | 10°C 1997 | 50% |
| May 21 | 24°C | 13°C | 28°C 2000 | 11°C 1997 | 49% |
| May 22 | 24°C | 13°C | 28°C 2000 | 11°C 2004 | 48% |
| May 23 | 24°C | 13°C | 29°C 2000 | 12°C 1997 | 47% |
| May 24 | 24°C | 13°C | 28°C 2000 | 10°C 2006 | 46% |
| May 25 | 24°C | 13°C | 29°C 2000 | 10°C 2014 | 44% |
| May 26 | 24°C | 13°C | 28°C 2017 | 12°C 2004 | 44% |
| May 27 | 24°C | 13°C | 27°C 2014 | 11°C 1992 | 42% |
| May 28 | 25°C | 13°C | 27°C 2011 | 12°C 1992 | 41% |
| May 29 | 24°C | 13°C | 28°C 2000 | 10°C 2018 | 41% |
| May 30 | 24°C | 13°C | 28°C 2000 | 11°C 2018 | 41% |
| May 31 | 24°C | 13°C | 28°C 2000 | 11°C 1998 | 41% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- May 1
- sunrise 6:27 AM, sunset 6:31 PM
- May 31
- sunrise 6:28 AM, sunset 6:32 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.