Weather on June 20

Fullerton, CA

55 Years of Data

Avg High
83°F
Avg Low
60°F
Warmest
2016
89°F avg
Coldest
1975
64°F avg

About This Date

June 20th in Fullerton, CA typically brings warm summer weather, with average highs around 83°F and lows near 60°F. Over 55 years of records, the warmest June 20th was in 2016 (89°F average), while the coldest was 1975 (64°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 5.2°F warmer on this date compared to 20-30 years ago.

Planning for June 20th in Fullerton, CA? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
202577°65°71°
202481°65°73°
202381°63°72°
202299°61°80°
202183°64°73°
202079°64°71°
201980°64°72°
201882°61°71°
201791°64°78°
2016warmest106°73°89°
201591°63°77°
201486°60°73°
201381°59°70°
201277°60°69°
201181°60°70°
201081°59°70°
200978°64°71°
200899°64°81°
200789°59°74°
200685°66°75°
200587°57°72°
200479°63°71°
200368°61°64°
200276°61°68°
200184°59°72°
200081°61°71°
199978°59°69°
199877°62°70°
199778°65°71°
199681°60°70°
199578°57°68°
199484°60°72°
199385°63°74°
199279°59°69°
199175°55°65°
199082°62°72°
198986°63°74°
198875°60°68°
198773°61°67°
198680°60°70°
198576°62°69°
198480°60°70°
198376°61°68°
198271°58°64°
198194°58°76°
198083°58°70°
197981°50°65°
197891°53°72°
197778°56°67°
197688°53°70°
1975coldest74°54°64°
197488°52°70°
1973111°59°85°
197288°53°70°
197193°55°74°
55 years of data from ANAHEIM

Browse Weather History

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