Santa Cruz Weather in May
Average highs run from 36°C on May 1 to 32°C on May 31, and lows from 25°C to 25°C. Normal precipitation for the month is 189 mm over about 22 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
- 34°C
- Average low
- 25°C
- Precipitation
- 189 mm
- Record high
- 41°CMay 18, 1988
- Record low
- 22°CMay 3, 1966
- Daylight
- 12 h 40 min to 12 h 57 min
- Cloud cover
- 65%
- Humidity
- 73%
- Dew point
- 23°C
- Wind
- 10.1 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 | 36°C | 25°C | 39°C 1988 | 23°C 1971 | 45% |
| May 2 | 36°C | 25°C | 40°C 1988 | 23°C 1966 | 47% |
| May 3 | 36°C | 25°C | 39°C 1988 | 22°C 1966 | 50% |
| May 4 | 36°C | 25°C | 38°C 1972 | 22°C 1966 | 53% |
| May 5 | 35°C | 25°C | 37°C 1972 | 23°C 1966 | 56% |
| May 6 | 35°C | 25°C | 40°C 1988 | 23°C 1963 | 58% |
| May 7 | 35°C | 25°C | 39°C 1977 | 23°C 1984 | 58% |
| May 8 | 35°C | 25°C | 38°C 1964 | 23°C 1984 | 60% |
| May 9 | 35°C | 25°C | 38°C 1977 | 23°C 1972 | 62% |
| May 10 | 35°C | 25°C | 40°C 1987 | 23°C 1966 | 64% |
| May 11 | 34°C | 25°C | 40°C 1988 | 22°C 1978 | 66% |
| May 12 | 34°C | 25°C | 39°C 1987 | 23°C 1984 | 66% |
| May 13 | 34°C | 25°C | 39°C 1987 | 23°C 1971 | 68% |
| May 14 | 34°C | 25°C | 40°C 1988 | 22°C 1984 | 70% |
| May 15 | 34°C | 25°C | 40°C 1988 | 23°C 1982 | 72% |
| May 16 | 34°C | 25°C | 40°C 1988 | 22°C 1984 | 74% |
| May 17 | 33°C | 25°C | 40°C 1988 | 23°C 1970 | 76% |
| May 18 | 33°C | 25°C | 41°C 1988 | 23°C 1966 | 76% |
| May 19 | 33°C | 25°C | 39°C 1988 | 22°C 1966 | 76% |
| May 20 | 33°C | 25°C | 37°C 1987 | 23°C 1976 | 77% |
| May 21 | 33°C | 25°C | 38°C 1973 | 23°C 1966 | 78% |
| May 22 | 33°C | 25°C | 39°C 1973 | 23°C 1968 | 80% |
| May 23 | 32°C | 25°C | 38°C 1971 | 22°C 1979 | 81% |
| May 24 | 32°C | 25°C | 37°C 1987 | 23°C 1972 | 82% |
| May 25 | 32°C | 25°C | 39°C 1987 | 23°C 1964 | 84% |
| May 26 | 32°C | 25°C | 38°C 1987 | 22°C 1976 | 84% |
| May 27 | 32°C | 25°C | 37°C 1963 | 22°C 1976 | 85% |
| May 28 | 32°C | 25°C | 37°C 1973 | 22°C 1976 | 86% |
| May 29 | 32°C | 25°C | 38°C 1973 | 23°C 1963 | 86% |
| May 30 | 32°C | 25°C | 38°C 1973 | 23°C 1986 | 85% |
| May 31 | 32°C | 25°C | 38°C 1973 | 23°C 1965 | 84% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+8).
- May 1
- sunrise 5:35 AM, sunset 6:15 PM
- May 31
- sunrise 5:27 AM, sunset 6:24 PM
Other months
Sources
Records: NOAA GHCN-Daily, station RPW00041231, 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.