Rāstāb Weather in May
Average highs run from 20°C on May 1 to 27°C on May 31, and lows from 6°C to 11°C. Normal precipitation for the month is 11 mm over about 3 wet days.
May day by day
The normal high and low for each date, and the record, in °C.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 23°C
- Average low
- 9°C
- Precipitation
- 11 mm
- Record high
- 34°CMay 23, 2025
- Record low
- -2°CMay 10, 2022
- Daylight
- 13 h 27 min to 14 h 07 min
- Cloud cover
- 56%
- Humidity
- 41%
- Dew point
- 0°C
- Wind
- 10.4 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 20°C | 6°C | 27°C 2015 | 0°C 2022 | 16% |
| May 2 | 20°C | 6°C | 27°C 2025 | 0°C 2019 | 16% |
| May 3 | 20°C | 6°C | 28°C 2025 | -2°C 2008 | 16% |
| May 4 | 20°C | 7°C | 29°C 2025 | 0°C 2011 | 16% |
| May 5 | 21°C | 7°C | 28°C 2025 | 0°C 2023 | 16% |
| May 6 | 21°C | 7°C | 27°C 2000 | -2°C 2023 | 16% |
| May 7 | 21°C | 7°C | 27°C 2014 | -2°C 1992 | 15% |
| May 8 | 21°C | 7°C | 26°C 2006 | 0°C 2012 | 14% |
| May 9 | 21°C | 7°C | 28°C 2025 | -1°C 2022 | 14% |
| May 10 | 22°C | 8°C | 29°C 2025 | -2°C 2022 | 13% |
| May 11 | 22°C | 8°C | 28°C 2007 | 0°C 2023 | 12% |
| May 12 | 22°C | 8°C | 29°C 2025 | -1°C 2020 | 11% |
| May 13 | 23°C | 8°C | 28°C 2025 | 0°C 2022 | 10% |
| May 14 | 23°C | 8°C | 27°C 2000 | -2°C 2002 | 9% |
| May 15 | 23°C | 9°C | 29°C 2016 | 1°C 2023 | 8% |
| May 16 | 23°C | 9°C | 30°C 2022 | 1°C 2014 | 8% |
| May 17 | 23°C | 9°C | 31°C 2016 | 0°C 2015 | 7% |
| May 18 | 24°C | 9°C | 32°C 2025 | 1°C 2009 | 6% |
| May 19 | 24°C | 9°C | 33°C 2025 | 2°C 2013 | 5% |
| May 20 | 24°C | 9°C | 33°C 2025 | 1°C 2015 | 4% |
| May 21 | 25°C | 9°C | 33°C 2025 | 2°C 2012 | 4% |
| May 22 | 25°C | 10°C | 34°C 2025 | 0°C 2019 | 4% |
| May 23 | 25°C | 10°C | 34°C 2025 | 2°C 2019 | 4% |
| May 24 | 25°C | 10°C | 34°C 1980 | 3°C 2018 | 3% |
| May 25 | 26°C | 10°C | 30°C 2023 | 1°C 2013 | 2% |
| May 26 | 26°C | 10°C | 30°C 2020 | 2°C 2016 | 2% |
| May 27 | 26°C | 11°C | 30°C 1978 | 1°C 2022 | 2% |
| May 28 | 26°C | 11°C | 32°C 2017 | 2°C 2016 | 2% |
| May 29 | 27°C | 11°C | 32°C 2020 | 3°C 2016 | 2% |
| May 30 | 27°C | 11°C | 33°C 2020 | 0°C 2013 | 2% |
| May 31 | 27°C | 11°C | 33°C 2024 | 0°C 2013 | 2% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3:30).
- May 1
- sunrise 5:21 AM, sunset 6:48 PM
- May 31
- sunrise 5:02 AM, sunset 7:09 PM
Other months
Sources
Records: NOAA GHCN-Daily, station IRM00040798, every year on file, quality-flagged values removed. 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 2026-09-28. Sun and moon: computed with the NOAA solar equations and Meeus.