Harbor Weather in May
Average highs run from 60°F on May 1 to 63°F on May 31, and lows from 46°F to 50°F. Normal precipitation for the month is 3.37 in.
May day by day
The normal high and low for each date, and the record, in °F.
- Normal low
- Normal high
- Record high
- Record low
May at a glance
- Average high
- 62°F
- Average low
- 48°F
- Precipitation
- 3.37 in
- Record high
- 89°FMay 5, 2013
- Record low
- 33°FMay 31, 2006
- Chance of a freeze
- 0%
- Daylight
- 14 h 03 min to 15 h 02 min
- Cloud cover
- 64%
- Humidity
- 85%
- Dew point
- 48°F
- Wind
- 8.7 mph
Every day of the month
A wet day has at least 0.01 inch of precipitation.
| Date | Normal high | Normal low | Record high | Record low | Chance wet |
|---|---|---|---|---|---|
| May 1 | 60°F | 46°F | 81°F 2014 | 37°F 2008 | |
| May 2 | 60°F | 46°F | 82°F 2013 | 39°F 2012 | |
| May 3 | 60°F | 47°F | 74°F 2013 | 39°F 2002 | |
| May 4 | 60°F | 47°F | 78°F 2006 | 37°F 2010 | |
| May 5 | 61°F | 47°F | 89°F 2013 | 35°F 2010 | |
| May 6 | 61°F | 47°F | 65°F 2016 | 34°F 2010 | |
| May 7 | 61°F | 47°F | 77°F 2007 | 40°F 2002 | |
| May 8 | 61°F | 47°F | 83°F 2007 | 39°F 2008 | |
| May 9 | 61°F | 47°F | 72°F 2018 | 38°F 2008 | |
| May 10 | 61°F | 47°F | 68°F 2004 | 39°F 2003 | |
| May 11 | 61°F | 47°F | 71°F 2016 | 42°F 2010 | |
| May 12 | 61°F | 48°F | 74°F 2002 | 38°F 2008 | |
| May 13 | 62°F | 48°F | 72°F 2006 | 38°F 2008 | |
| May 14 | 62°F | 48°F | 71°F 2014 | 39°F 2010 | |
| May 15 | 62°F | 48°F | 85°F 2008 | 41°F 2002 | |
| May 16 | 62°F | 48°F | 73°F 2002 | 39°F 2003 | |
| May 17 | 62°F | 48°F | 89°F 2008 | 38°F 2003 | |
| May 18 | 62°F | 48°F | 80°F 2008 | 39°F 2003 | |
| May 19 | 62°F | 48°F | 68°F 2004 | 43°F 2007 | |
| May 20 | 62°F | 49°F | 76°F 2011 | 42°F 2021 | |
| May 21 | 62°F | 49°F | 70°F 2006 | 38°F 2019 | |
| May 22 | 62°F | 49°F | 70°F 2006 | 38°F 2009 | |
| May 23 | 63°F | 49°F | 71°F 2003 | 38°F 2010 | |
| May 24 | 63°F | 49°F | 75°F 2002 | 39°F 2010 | |
| May 25 | 63°F | 49°F | 75°F 2004 | 42°F 2007 | |
| May 26 | 63°F | 49°F | 82°F 2005 | 43°F 2009 | |
| May 27 | 63°F | 49°F | 71°F 2004 | 42°F 2006 | |
| May 28 | 63°F | 49°F | 70°F 2003 | 41°F 2009 | |
| May 29 | 63°F | 50°F | 76°F 2007 | 40°F 2009 | |
| May 30 | 63°F | 50°F | 68°F 2014 | 41°F 2009 | |
| May 31 | 63°F | 50°F | 70°F 2002 | 33°F 2006 |
Chance of rain
Sunrise and sunset
Times for 2026, local time (PDT).
- May 1
- sunrise 6:13 AM, sunset 8:16 PM
- May 31
- sunrise 5:44 AM, sunset 8:46 PM
Other months
Sources
Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00351058 (Brookings), public domain. Records: NOAA GHCN-Daily, station USC00351058, 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.