Puerto Santander Weather in May
Average highs run from 35°C on May 1 to 36°C on May 31, and lows from 25°C to 25°C. Normal precipitation for the month is 105 mm over about 19 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
- 36°C
- Average low
- 25°C
- Precipitation
- 105 mm
- Record high
- 39°CMay 17, 2010
- Record low
- 17°CMay 20, 1968
- Daylight
- 12 h 25 min to 12 h 35 min
- Cloud cover
- 81%
- Humidity
- 68%
- Dew point
- 22°C
- Wind
- 2.9 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 | 35°C | 25°C | 36°C 1969 | 21°C 1976 | 59% |
| May 2 | 35°C | 25°C | 36°C 2019 | 20°C 1967 | 58% |
| May 3 | 35°C | 25°C | 38°C 2001 | 21°C 1982 | 56% |
| May 4 | 35°C | 25°C | 37°C 2001 | 19°C 1965 | 57% |
| May 5 | 35°C | 25°C | 36°C 1980 | 19°C 1982 | 56% |
| May 6 | 35°C | 25°C | 36°C 1980 | 20°C 1990 | 54% |
| May 7 | 35°C | 25°C | 36°C 2023 | 19°C 1988 | 54% |
| May 8 | 35°C | 25°C | 38°C 2010 | 21°C 1995 | 54% |
| May 9 | 35°C | 25°C | 36°C 1979 | 20°C 1976 | 54% |
| May 10 | 36°C | 25°C | 37°C 1993 | 19°C 1990 | 54% |
| May 11 | 36°C | 25°C | 37°C 1966 | 20°C 2022 | 54% |
| May 12 | 36°C | 25°C | 37°C 2015 | 21°C 1986 | 54% |
| May 13 | 36°C | 25°C | 36°C 2015 | 22°C 1975 | 54% |
| May 14 | 36°C | 25°C | 36°C 1977 | 21°C 1976 | 54% |
| May 15 | 36°C | 25°C | 35°C 1968 | 21°C 1976 | 54% |
| May 16 | 36°C | 25°C | 37°C 2007 | 18°C 1968 | 52% |
| May 17 | 36°C | 25°C | 39°C 2010 | 20°C 1982 | 52% |
| May 18 | 36°C | 25°C | 37°C 2001 | 18°C 1967 | 52% |
| May 19 | 36°C | 25°C | 36°C 2015 | 20°C 1966 | 53% |
| May 20 | 36°C | 25°C | 37°C 1969 | 17°C 1968 | 55% |
| May 21 | 36°C | 25°C | 39°C 2020 | 22°C 1991 | 56% |
| May 22 | 36°C | 25°C | 38°C 2020 | 22°C 1977 | 57% |
| May 23 | 36°C | 25°C | 36°C 2003 | 20°C 1965 | 57% |
| May 24 | 36°C | 25°C | 35°C 2000 | 21°C 1968 | 58% |
| May 25 | 36°C | 25°C | 37°C 2020 | 21°C 1974 | 59% |
| May 26 | 36°C | 25°C | 37°C 2020 | 21°C 1977 | 58% |
| May 27 | 36°C | 25°C | 37°C 2020 | 18°C 1976 | 57% |
| May 28 | 36°C | 25°C | 36°C 2003 | 18°C 1965 | 57% |
| May 29 | 36°C | 25°C | 35°C 1980 | 19°C 1966 | 56% |
| May 30 | 36°C | 25°C | 36°C 2020 | 21°C 1973 | 54% |
| May 31 | 36°C | 25°C | 36°C 1996 | 21°C 1986 | 54% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT-5).
- May 1
- sunrise 5:34 AM, sunset 5:59 PM
- May 31
- sunrise 5:30 AM, sunset 6:05 PM
Other months
Sources
Records: NOAA GHCN-Daily, station COM00080097, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.