Weather on May 30

Fontana, CA

55 Years of Data

Avg High
84°F
Avg Low
57°F
Warmest
1972
83°F avg
Coldest
1971
58°F avg

About This Date

May 30th in Fontana, CA typically brings warm spring weather, with average highs around 84°F and lows near 57°F — a 27°F daily swing. Over 55 years of records, the warmest May 30th was in 1972 (83°F average), while the coldest was 1971 (58°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.

The last decade has been 1.3°F cooler on this date compared to 20-30 years ago.

Planning for May 30th in Fontana, CA? Stay hydrated and seek shade during peak afternoon hours.

YearHighLowAvgPrecipSnow
2025100°61°80°
202483°55°69°
202369°57°63°
202279°54°66°
202181°58°69°
202082°62°72°
201989°57°73°
201876°59°67°
201781°58°69°
201679°56°67°
201590°58°74°
201492°61°76°
201388°59°73°
201284°58°71°
201181°50°65°
201091°54°72°
200974°59°66°
200880°55°68°
200782°54°68°
200691°57°74°
200580°57°69°
200494°56°75°
200385°60°72°
200290°59°74°
200190°58°74°
200084°60°72°
199974°53°63°
199878°49°63°
199796°64°80°
199676°57°66°
199591°58°74°
199492°59°75°
199391°53°72°
199290°59°74°
199175°56°65°
199074°54°64°
198981°53°67°
198877°51°64°
198787°53°70°
198683°58°70°
198583°53°68°
198495°61°78°
198381°53°67°
198276°54°65°
198180°61°70°
198072°49°60°
197978°53°66°
197892°52°72°
197796°54°75°
197675°56°65°
197589°60°75°
197478°57°68°
197391°65°78°
1972warmest98°68°83°
1971coldest63°53°58°
55 years of data from FONTANA KAISER

Browse Weather History

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

May 30th Weather in Fontana, CA - 55 Years of History