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Weather on June 1

Costa Mesa, CA

55 Years of Data

Avg High
74°F
Avg Low
60°F
Warmest
2025
75°F avg
Coldest
1971
59°F avg

About This Date

June 1st in Costa Mesa, CA typically brings pleasant summer weather, with average highs around 74°F and lows near 60°F. Over 55 years of records, the warmest June 1st was in 2025 (75°F average), while the coldest was 1971 (59°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 5% of June 1st dates historically. 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 1st in Costa Mesa, CA? Great weather for outdoor activities.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest87°63°75°
202471°61°66°
202368°59°64°
202275°62°69°
202173°63°68°
202082°63°72°
201966°60°63°
201873°57°65°
201772°61°66°
201671°61°66°
201573°61°67°
201478°63°70°
201377°64°71°
201271°62°67°
201170°55°62°
201070°62°66°
200973°60°67°0.08"
200872°58°65°
200770°59°64°
200677°62°70°
200570°62°66°
200475°61°68°
200372°60°66°
200271°61°66°
200171°62°67°
200074°62°68°
199968°56°62°0.03"
199876°56°66°
199782°67°74°
199685°58°71°
199567°58°62°
199481°57°69°
199372°61°66°
199278°62°70°
199169°56°62°
199073°55°64°
198976°59°67°
198880°55°68°
198783°56°69°
198674°61°67°
198570°55°62°
198475°61°68°
198370°60°65°
198272°54°63°
198173°61°67°0.05"
198069°56°62°
197974°61°67°
197873°60°67°
197775°59°67°
197678°57°68°
197574°58°66°
197474°57°65°
197372°60°66°
197283°64°73°
1971coldest68°50°59°
55 years of data from SANTA ANA JOHN WAYNE AP

Costa Mesa, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Costa Mesa, CA Monthly Precipitation

Average rainfall per month, in inches.

0"5.4"10.8"JFMAMJJASOND
Rain (in)

Costa Mesa, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit Costa Mesa, CA

Most pleasant months in Costa Mesa, CA: June, July.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

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