Weather on June 20

San Bernardino, CA

55 Years of Data

Avg High
91°F
Avg Low
59°F
Warmest
2016
93°F avg
Coldest
2003
62°F avg

About This Date

June 20th in San Bernardino, CA typically brings hot summer weather, with average highs around 91°F and lows near 59°F — a 32°F daily swing. Over 48 years of records, the warmest June 20th was in 2016 (93°F average), while the coldest was 2003 (62°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 2% of June 20th dates historically.

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

Warming Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
202588°60°74°
2017101°72°86°
2016warmest108°79°93°
201596°66°81°
201495°59°77°
201387°58°72°
201292°57°74°
201196°55°76°
201087°53°70°
200991°60°76°
2008109°64°87°
200798°56°77°
200697°49°73°
200594°54°74°
200484°59°72°
2003coldest66°57°62°0.23"
200290°64°77°
200199°60°79°
200093°58°75°
199994°58°76°
199884°56°70°
199791°64°78°
199688°59°73°
199585°54°69°
199494°59°76°
199387°60°74°
199286°55°71°
199182°59°71°
199095°59°77°
1989101°67°84°
198878°58°68°
198778°57°68°
198689°59°74°
198590°59°74°
198490°58°74°
198383°55°69°
198283°59°71°
1981100°63°81°
198094°56°75°
197991°54°72°
197899°60°79°
197784°57°71°
197694°59°76°
197577°52°64°
197495°55°75°
1973105°61°83°
197294°60°77°
1971105°59°82°
48 years of data from NORTON AFB

Browse Weather History

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

June 20th Weather in San Bernardino, CA - 55 Years of History