Santiago Weather in May
Average highs run from 14°C on May 1 to 15°C on May 31, and lows from 4°C to 3°C. Normal precipitation for the month is 9 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
- 14°C
- Average low
- 4°C
- Precipitation
- 9 mm
- Record high
- 27°CMay 2, 1976
- Record low
- -7°CMay 28, 1976
- Daylight
- 11 h 37 min to 11 h 23 min
- Cloud cover
- 52%
- Humidity
- 81%
- Dew point
- 4°C
- Wind
- 7.9 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 | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 14°C | 4°C | 25°C 1998 | 0°C 1980 | 14% |
| May 2 | 14°C | 4°C | 27°C 1976 | 1°C 1981 | 14% |
| May 3 | 14°C | 4°C | 24°C 1998 | 0°C 1968 | 14% |
| May 4 | 14°C | 4°C | 24°C 1994 | -5°C 1981 | 12% |
| May 5 | 14°C | 4°C | 24°C 1993 | -1°C 1981 | 12% |
| May 6 | 14°C | 4°C | 25°C 1995 | -2°C 1980 | 12% |
| May 7 | 14°C | 4°C | 24°C 1998 | 1°C 2011 | 12% |
| May 8 | 14°C | 4°C | 24°C 1994 | 0°C 1964 | 11% |
| May 9 | 14°C | 4°C | 24°C 1998 | 0°C 1995 | 11% |
| May 10 | 14°C | 4°C | 24°C 1996 | 0°C 2021 | 11% |
| May 11 | 14°C | 4°C | 25°C 1983 | 0°C 1980 | 11% |
| May 12 | 14°C | 4°C | 24°C 1993 | 1°C 2005 | 10% |
| May 13 | 14°C | 4°C | 25°C 1983 | 0°C 2006 | 9% |
| May 14 | 14°C | 4°C | 23°C 1995 | -4°C 1974 | 8% |
| May 15 | 14°C | 4°C | 23°C 1993 | -1°C 1984 | 9% |
| May 16 | 14°C | 4°C | 23°C 1983 | -2°C 1994 | 9% |
| May 17 | 14°C | 4°C | 23°C 2016 | -2°C 1974 | 8% |
| May 18 | 14°C | 4°C | 23°C 1994 | -1°C 1991 | 8% |
| May 19 | 14°C | 4°C | 23°C 1992 | 0°C 1973 | 7% |
| May 20 | 14°C | 4°C | 23°C 2017 | -2°C 1973 | 6% |
| May 21 | 14°C | 4°C | 24°C 1983 | -1°C 1974 | 6% |
| May 22 | 14°C | 4°C | 23°C 1983 | -1°C 1973 | 4% |
| May 23 | 14°C | 3°C | 24°C 1995 | -2°C 1981 | 4% |
| May 24 | 14°C | 3°C | 24°C 1995 | -2°C 1973 | 4% |
| May 25 | 14°C | 3°C | 23°C 1983 | -3°C 1980 | 4% |
| May 26 | 14°C | 3°C | 24°C 2005 | -2°C 1980 | 4% |
| May 27 | 14°C | 3°C | 24°C 1995 | -3°C 1979 | 4% |
| May 28 | 14°C | 3°C | 23°C 2005 | -7°C 1976 | 4% |
| May 29 | 14°C | 3°C | 23°C 1983 | -3°C 1982 | 4% |
| May 30 | 14°C | 3°C | 23°C 1983 | -2°C 1968 | 4% |
| May 31 | 15°C | 3°C | 25°C 1973 | -3°C 1977 | 4% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- May 1
- sunrise 5:56 AM, sunset 5:33 PM
- May 31
- sunrise 6:04 AM, sunset 5:27 PM
Other months
Sources
Records: NOAA GHCN-Daily, station PEM00084686, 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 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.