Hurricanes and Tornadoes That Hit Cayucos, CA

The nearest NOAA station with 1991–2020 climate normals is Morro Bay Fire Dept, CA, 7 miles south of Cayucos 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%). Templeton, 11 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, 22 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, 22 miles from Cayucos, 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 Cayucos's ZIP code 93430 have filed 24 claims with the National Flood Insurance Program since 1983, and were paid $214,000 for buildings and contents, in the dollars of each year. 50% 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, 120 have fewer than Cayucos.