Weather on June 20

Pomona, CA

55 Years of Data

Avg High
85°F
Avg Low
57°F
Warmest
2016
89°F avg
Coldest
1975
56°F avg

About This Date

June 20th in Pomona, CA typically brings warm summer weather, with average highs around 85°F and lows near 57°F — a 28°F daily swing. Over 51 years of records, the warmest June 20th was in 2016 (89°F average), while the coldest was 1975 (56°F) — a 33°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.

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

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
202581°53°67°
202484°55°70°
202378°51°65°
202297°57°77°
202186°60°73°
202078°54°66°
201975°58°66°
201886°57°72°
201797°67°82°
2016warmest107°71°89°
201593°62°78°
201490°57°73°
201385°55°70°
201285°58°71°
201190°56°73°
201082°50°66°
200960°87°74°
2008108°65°86°
200793°56°74°
200690°59°74°
200587°52°69°
200482°59°71°
200363°57°60°
200283°61°72°
200192°62°77°
200087°52°69°
199984°55°70°
199880°55°68°
199384°56°70°
199276°46°61°
199176°52°64°
199088°54°71°
198995°58°76°
198876°55°65°
198777°53°65°
198683°48°65°
198580°54°67°
198485°57°71°
198377°59°68°
198274°55°64°
198193°58°75°
198086°51°69°
197987°52°69°
197892°55°73°
197780°55°68°
197688°53°70°
1975coldest64°49°56°
197483°54°68°
197399°64°81°
197286°55°71°
197187°57°72°
51 years of data from POMONA/FAIRPLEX

Browse Weather History

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