Morro Bay weather in May: Morro Bay, California: normal highs, lows, rain and records for May

Morro Bay in May has a normal high of 67°F and a normal low of 52°F, a daily mean of 59°F, holding near 67°F all month. Measurable precipitation falls on 2 days in a normal May, 0.42 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 19°C and low of 11°C, 11 mm of precipitation in May.

  • NOAA stationMorro Bay Fire Dept
  • Station IDUSC00045866
  • Location35.37°N 120.84°W
  • Elevation118 ft (36 m)
  • Population10,591
  1. Jan 65° 46°
  2. Feb 65° 48°
  3. Mar 66° 49°
  4. Apr 67° 49°
  5. May 67° 52°
  6. Jun 66° 54°
  7. Jul 67° 57°
  8. Aug 70° 57°
  9. Sep 72° 56°
  10. Oct 73° 54°
  11. Nov 69° 50°
  12. Dec 65° 46°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is Morro Bay in May?

The normal high is 67°F and the normal low 52°F, for a daily mean of 59.3°F. May is 1.0°F warmer than April and 0.7°F cooler than June. May is the 7th warmest month of the year in Morro Bay and the 8th wettest. From one year to the next May's mean temperature typically moves about 1.8°F either way (NOAA's standard deviation), so roughly two Mays in three average between 58°F and 61°F.

Morro Bay in May, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 10%).

Normal high and low on five days of May, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
May 167°F50°F10%6%
May 867°F51°F8%4%
May 1567°F52°F6%4%
May 2267°F52°F5%3%
May 3167°F53°F3%2%
Every day of May: normal high, low and chance of precipitation (warmest afternoon May 1, coldest night May 1)
Morro Bay: NOAA 1991-2020 daily normals for each day of May
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
May 167°F50°F10%6%13 h 40 min
May 267°F51°F9%5%13 h 40 min
May 367°F51°F9%5%13 h 40 min
May 467°F51°F9%5%13 h 40 min
May 567°F51°F9%5%13 h 40 min
May 667°F51°F8%5%13 h 40 min
May 767°F51°F8%5%13 h 50 min
May 867°F51°F8%4%13 h 50 min
May 967°F51°F8%4%13 h 50 min
May 1067°F51°F7%4%13 h 50 min
May 1167°F51°F7%4%13 h 50 min
May 1267°F52°F7%4%14 h
May 1367°F52°F7%4%14 h
May 1467°F52°F6%4%14 h
May 1567°F52°F6%4%14 h
May 1667°F52°F6%4%14 h
May 1767°F52°F6%4%14 h
May 1867°F52°F6%3%14 h
May 1967°F52°F5%3%14 h 10 min
May 2067°F52°F5%3%14 h 10 min
May 2167°F52°F5%3%14 h 10 min
May 2267°F52°F5%3%14 h 10 min
May 2367°F52°F5%3%14 h 10 min
May 2467°F52°F4%3%14 h 10 min
May 2567°F52°F4%3%14 h 10 min
May 2667°F52°F4%2%14 h 20 min
May 2767°F53°F4%2%14 h 20 min
May 2867°F53°F4%2%14 h 20 min
May 2967°F53°F4%2%14 h 20 min
May 3067°F53°F3%2%14 h 20 min
May 3167°F53°F3%2%14 h 20 min
Normal high
67°FMay average
Normal low
52°FMay average
Precipitation
0.42 inmonth total
Days with precipitation
20.01 inch or more
Daylight
13 h 40 min to 14 h 20 minMay 1 to May 31
Days at 70°F or more
7
Days at 80°F or more
1
Sunshine
91%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USC00045866; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in Morro Bay in May?

On a given May day the chance of 0.01 inch or more is 6% on average, highest around May 1 (10%). In all, 0.42 in falls on 2 days of a normal May.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00045866.

What are the records for May in Morro Bay?

The warmest May temperature on this station's record (since 1959) is 93°F, on May 2, 2004; the coldest is 33°F, on May 6, 1965. The wettest May brought 2.46 in (1998).

Source: records: ACIS, station USC00045866. Records and recent months use complete months only.

How does May in Morro Bay compare across California?

Across the 219 places PlainClimate covers in California, May normal highs run from 58°F in Tahoma to 96°F in Needles; Morro Bay's is 67°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places