Hornby Island Weather in May
Average highs run from 15°C on May 1 to 17°C on May 31, and lows from 9°C to 12°C. Normal precipitation for the month is 49 mm over about 11 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
- 16°C
- Average low
- 11°C
- Precipitation
- 49 mm
- Record high
- 29°CMay 14, 2023
- Record low
- 3°CMay 6, 2002
- Daylight
- 14 h 41 min to 15 h 59 min
- Cloud cover
- 68%
- Humidity
- 75%
- Dew point
- 8°C
- Wind
- 7.2 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 | 15°C | 9°C | 23°C 2004 | 7°C 2013 | 40% |
| May 2 | 14°C | 9°C | 25°C 2016 | 6°C 2012 | 38% |
| May 3 | 14°C | 9°C | 21°C 2016 | 6°C 1999 | 36% |
| May 4 | 14°C | 9°C | 22°C 2026 | 6°C 1999 | 35% |
| May 5 | 14°C | 9°C | 23°C 2026 | 5°C 2002 | 34% |
| May 6 | 14°C | 9°C | 23°C 2016 | 3°C 2002 | 34% |
| May 7 | 14°C | 10°C | 20°C 2023 | 5°C 1999 | 33% |
| May 8 | 15°C | 10°C | 21°C 2015 | 4°C 1999 | 34% |
| May 9 | 16°C | 10°C | 23°C 2019 | 5°C 1999 | 34% |
| May 10 | 16°C | 11°C | 23°C 2019 | 6°C 1999 | 33% |
| May 11 | 16°C | 11°C | 22°C 2020 | 8°C 2011 | 32% |
| May 12 | 16°C | 11°C | 24°C 2023 | 6°C 2022 | 31% |
| May 13 | 16°C | 11°C | 25°C 2023 | 6°C 2009 | 32% |
| May 14 | 16°C | 11°C | 29°C 2023 | 6°C 2009 | 32% |
| May 15 | 16°C | 11°C | 28°C 2023 | 7°C 2003 | 33% |
| May 16 | 16°C | 11°C | 24°C 2023 | 5°C 2017 | 34% |
| May 17 | 16°C | 11°C | 27°C 2023 | 7°C 2003 | 34% |
| May 18 | 16°C | 11°C | 24°C 2023 | 8°C 1999 | 35% |
| May 19 | 16°C | 11°C | 26°C 2023 | 8°C 2022 | 35% |
| May 20 | 16°C | 12°C | 23°C 2023 | 8°C 2010 | 35% |
| May 21 | 16°C | 12°C | 22°C 2015 | 7°C 2010 | 36% |
| May 22 | 17°C | 12°C | 23°C 2018 | 9°C 2010 | 35% |
| May 23 | 17°C | 12°C | 23°C 2018 | 9°C 2000 | 35% |
| May 24 | 17°C | 12°C | 22°C 1999 | 9°C 2012 | 35% |
| May 25 | 16°C | 12°C | 22°C 2023 | 9°C 1998 | 36% |
| May 26 | 16°C | 12°C | 23°C 2019 | 9°C 2000 | 37% |
| May 27 | 17°C | 12°C | 25°C 2017 | 9°C 2011 | 36% |
| May 28 | 16°C | 12°C | 23°C 2020 | 9°C 2001 | 34% |
| May 29 | 17°C | 12°C | 24°C 2009 | 9°C 2001 | 34% |
| May 30 | 17°C | 12°C | 22°C 2019 | 8°C 2001 | 34% |
| May 31 | 17°C | 12°C | 22°C 2015 | 10°C 2002 | 34% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 5:56 AM, sunset 8:37 PM
- May 31
- sunrise 5:17 AM, sunset 9:16 PM
Other months
Sources
Records: NOAA GHCN-Daily, station CA001027403, 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 2026-09-29. Sun and moon: computed with the NOAA solar equations and Meeus.