Weather on June 30

Costa Mesa, CA

55 Years of Data

Avg High
80°F
Avg Low
62°F
Warmest
1985
83°F avg
Coldest
1982
65°F avg

About This Date

June 30th in Costa Mesa, CA typically brings warm summer weather, with average highs around 80°F and lows near 62°F. Over 55 years of records, the warmest June 30th was in 1985 (83°F average), while the coldest was 1982 (65°F) — a 18°F range across recorded history. This date has historically been dry, with little recorded precipitation. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for June 30th in Costa Mesa, CA? Stay hydrated and seek shade during peak afternoon hours.

YearHighLowAvgPrecipSnow
202577°64°71°
202479°63°71°
202378°63°70°
202281°66°73°
202178°66°72°
202076°65°70°
201981°64°72°
201875°63°69°
201774°63°68°
201676°66°71°
201589°65°77°
201478°68°73°
201384°68°76°
201278°61°69°
201180°61°70°
201078°64°71°
200977°61°69°
200883°63°73°
200778°63°70°
200685°65°75°
200573°59°66°
200472°64°68°
200378°62°70°
200272°62°67°
200178°63°70°
200078°65°71°
199975°61°68°
199881°61°71°
199778°62°70°
199696°65°80°
199580°60°70°
199481°62°71°
199382°63°72°
199277°60°69°
199181°59°70°
199082°63°72°
198978°58°68°
198878°64°71°
198775°59°67°
198689°65°77°
1985warmest103°63°83°
198482°64°73°
198375°64°70°
1982coldest72°59°65°
198182°61°71°
198086°65°75°
197983°62°72°
197879°59°69°
197781°61°71°
197690°63°76°
197582°58°70°
197485°56°70°
197381°63°72°
197281°62°71°
197177°58°67°
55 years of data from SANTA ANA JOHN WAYNE AP

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

June 30th Weather in Costa Mesa, CA - 55 Years of History