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Weather on May 28

San Bernardino, CA

55 Years of Data

Avg High
83°F
Avg Low
56°F
Warmest
2000
87°F avg
Coldest
1971
54°F avg

About This Date

May 28th in San Bernardino, CA typically brings warm spring weather, with average highs around 83°F and lows near 56°F — a 27°F daily swing. Over 48 years of records, the warmest May 28th was in 2000 (87°F average), while the coldest was 1971 (54°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 4% of May 28th dates historically, with the wettest May 28th recording 1.04" of rain.

Planning for May 28th in San Bernardino, CA? Stay hydrated and seek shade during peak afternoon hours.

Cooling Trend
0.7°F per decade on this date
YearHighLowAvgPrecipSnow
202560°
201783°52°67°
201677°54°65°
201582°52°67°
201488°62°75°
201378°58°68°
201290°53°71°
201182°53°68°
201073°48°61°
200986°57°72°
200878°46°62°
200787°53°70°
200681°46°63°
200579°57°68°
200468°56°62°
2003105°
200289°51°70°
200168°59°64°
2000warmest98°76°87°
199989°57°73°
199878°46°62°
1997100°66°83°
199678°56°67°
199581°54°67°
199489°53°71°
199377°59°68°
199276°59°67°
199177°52°64°
199077°51°64°1.04"
198977°53°65°
198872°57°64°
198777°55°66°
198692°57°74°
198581°51°66°
1984106°65°85°
198396°65°80°
198275°56°65°
198183°59°71°
198068°52°60°
197977°59°68°
1978100°57°79°
197776°51°63°
197678°59°69°
197594°57°75°
197487°57°72°
1973103°60°81°
197299°56°77°
1971coldest59°49°54°0.2"
48 years of data from NORTON AFB

San Bernardino, CA Temperature Range by Month

Average monthly highs and lows. The shaded band shows the typical daily temperature range.

30°50°70°90°110°JFMAMJJASOND
Avg high Avg low

San Bernardino, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"5.8"11.6"JFMAMJJASOND0.1"0"
Rain (in) Snow (in)

San Bernardino, CA Daily Temperature Calendar

Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.

151015202531JanFebMarAprMayJunJulAugSepOctNovDec
Cooler
Hotter
20°40°60°80°100°

Best Time to Visit San Bernardino, CA

San Bernardino, CA has no months that meet our "pleasant" threshold — every season has tradeoffs.

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Pleasant (65-82°F, ≤2.5" rain) Mild Less ideal

Browse Weather History

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

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