Monaco Weather in May
Average highs run from 19°C on May 1 to 22°C on May 31, and lows from 12°C to . Normal precipitation for the month is 43 mm over about 6 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
- 21°C
- Precipitation
- 43 mm
- Record high
- 31°CMay 27, 2022
- Record low
- 5°CMay 26, 1973
- Daylight
- 14 h 10 min to 15 h 12 min
- Cloud cover
- 54%
- Humidity
- 78%
- Dew point
- 13°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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 19°C | 12°C | 24°C 2020 | 9°C 1984 | 32% |
| May 2 | 20°C | 13°C | 25°C 2020 | 9°C 1976 | 32% |
| May 3 | 20°C | 13°C | 24°C 2020 | 9°C 1974 | 32% |
| May 4 | 20°C | 26°C 2003 | 9°C 1987 | 32% | |
| May 5 | 20°C | 25°C 2003 | 6°C 1987 | 30% | |
| May 6 | 20°C | 25°C 1988 | 6°C 1991 | 30% | |
| May 7 | 21°C | 13°C | 29°C 2003 | 7°C 1991 | 30% |
| May 8 | 20°C | 24°C 1992 | 8°C 2004 | 28% | |
| May 9 | 20°C | 14°C | 25°C 2000 | 9°C 1974 | 28% |
| May 10 | 21°C | 26°C 2000 | 8°C 1974 | 26% | |
| May 11 | 21°C | 14°C | 27°C 2014 | 10°C 1991 | 27% |
| May 12 | 21°C | 14°C | 25°C 1998 | 10°C 1974 | 27% |
| May 13 | 21°C | 14°C | 25°C 1998 | 10°C 1984 | 26% |
| May 14 | 21°C | 14°C | 27°C 1998 | 10°C 1985 | 25% |
| May 15 | 21°C | 14°C | 27°C 1992 | 9°C 1978 | 25% |
| May 16 | 21°C | 25°C 1992 | 10°C 1984 | 24% | |
| May 17 | 21°C | 25°C 2015 | 10°C 1984 | 23% | |
| May 18 | 21°C | 26°C 1986 | 12°C 2013 | 22% | |
| May 19 | 22°C | 14°C | 26°C 2020 | 11°C 1987 | 22% |
| May 20 | 22°C | 14°C | 27°C 2006 | 11°C 1984 | 21% |
| May 21 | 22°C | 14°C | 26°C 2024 | 11°C 2013 | 20% |
| May 22 | 21°C | 15°C | 27°C 2007 | 10°C 1984 | 20% |
| May 23 | 22°C | 28°C 2011 | 8°C 1984 | 20% | |
| May 24 | 22°C | 15°C | 28°C 2011 | 9°C 1984 | 21% |
| May 25 | 23°C | 16°C | 29°C 2011 | 10°C 1974 | 20% |
| May 26 | 23°C | 16°C | 28°C 2011 | 5°C 1973 | 20% |
| May 27 | 23°C | 31°C 2022 | 10°C 2013 | 19% | |
| May 28 | 23°C | 16°C | 29°C 2022 | 12°C 1975 | 20% |
| May 29 | 23°C | 28°C 2000 | 9°C 1984 | 20% | |
| May 30 | 23°C | 28°C 2018 | 10°C 2013 | 21% | |
| May 31 | 22°C | 26°C 2023 | 9°C 2006 | 22% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+2).
- May 1
- sunrise 6:23 AM, sunset 8:33 PM
- May 31
- sunrise 5:52 AM, sunset 9:04 PM
Other months
Sources
Records: NOAA GHCN-Daily, station FRM00007690, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.