Weather on May 23

Rialto, CA

55 Years of Data

Avg High
78°F
Avg Low
53°F
Warmest
2001
85°F avg
Coldest
2008
48°F avg

About This Date

May 23rd in Rialto, CA typically brings pleasant spring weather, with average highs around 78°F and lows near 53°F — a 25°F daily swing. Over 48 years of records, the warmest May 23rd was in 2001 (85°F average), while the coldest was 2008 (48°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 23rd dates historically.

Planning for May 23rd in Rialto, CA? Great weather for outdoor activities.

Cooling Trend
1.1°F per decade on this date
YearHighLowAvgPrecipSnow
202586°59°73°
201794°65°79°
201668°46°57°
201560°51°56°
201472°55°63°
201369°55°62°
201277°56°66°
201158°51°54°
201056°41°48°
200979°51°65°
2008coldest51°45°48°
200786°50°68°
200675°50°63°
200590°58°74°
200467°54°60°
200384°53°69°
200281°49°65°
2001warmest101°70°85°
200082°59°71°
199972°49°60°
199868°49°58°
199778°56°67°
199675°48°62°
199556°50°53°
199484°55°70°
199364°53°59°
199278°52°65°
199180°50°65°
199083°56°69°
198984°52°68°
198888°60°74°
198771°49°60°
198677°53°65°
198592°58°75°
198494°58°76°
198392°58°75°
198286°59°73°
198184°54°69°
198068°54°61°
197993°60°77°
197875°55°65°0.03"
197773°55°64°0.23"
197683°49°66°
197583°48°65°
197484°52°68°
197382°50°66°
197282°50°66°
197181°45°63°
48 years of data from DEVORE CALIFORNIA

Browse Weather History

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