Hurricanes and Tornadoes That Hit Morro Bay, CA

The nearest NOAA station with 1991–2020 climate normals is Morro Bay Fire Dept, CA, in Morro Bay at 118 feet. September is the warmest, with an average high of 72°F and low of 56°F; December is the coolest, at 65°F and 46°F. January and February are the wettest at 3.6 inches of precipitation on average and August the driest at 0.0 inches; the year adds up to 17.0 inches over 30 days with at least a tenth of an inch. Highs reach 90°F on about 1 days a year. Lows fall below freezing on about 2 nights a year. That 17.0 inches is more than at 121 of the 226 California stations used on this site (54%). Atascadero, 12 miles northeast, has its own station (Paso Robles, CA): 15.2 inches a year, 1.8 less than here, and a September average high of 89°F against 72°F.

Water temperature at the NOAA tide station Port San Luis, CA, 15 miles south, averaged 61°F in September and 53°F in April over 2021–2025. No month averaged 80°F. Sea level at the Port San Luis tide gauge, 15 miles from Morro Bay, has risen 0.39 ± 0.06 inches per decade from 1945 to 2025, NOAA's linear trend; at that pace it is 3.9 inches in a hundred years. That is faster than at 22 of the 144 U.S. gauges with a NOAA trend.

Flood insurance policyholders in Morro Bay's 2 ZIP codes have filed 54 claims with the National Flood Insurance Program since 1978, and were paid $1.4 million for buildings and contents, in the dollars of each year. The most came from California Atmospheric River in 2023: 18 claims (33% of all) and $1.0 million, then Flooding in 1995 with 15. 72% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 415 California cities on this site with 10 or more claims, 243 have fewer than Morro Bay.