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Weather on June 28

Rialto, CA

55 Years of Data

Avg High
93°F
Avg Low
62°F
Warmest
1976
87°F avg
Coldest
1991
62°F avg

About This Date

June 28th in Rialto, CA typically brings hot summer weather, with average highs around 93°F and lows near 62°F — a 31°F daily swing. Over 49 years of records, the warmest June 28th was in 1976 (87°F average), while the coldest was 1991 (62°F) — a 25°F range across recorded history. This date has historically been dry, with little recorded precipitation.

Planning for June 28th in Rialto, CA? Stay hydrated and seek shade during peak afternoon hours.

Cooling Trend
0.3°F per decade on this date
YearHighLowAvgPrecipSnow
202681°61°71°
202597°63°80°
201789°63°76°
201697°74°85°
201595°72°83°
201488°59°73°
201398°71°85°
201292°60°76°
201188°61°74°
201083°58°70°
200999°69°84°
200892°61°76°
200791°63°77°
200698°72°85°
200582°52°67°
200483°56°69°
200394°63°78°
200289°55°72°
200192°58°75°
200096°66°81°
199994°59°76°
199894°60°77°
199784°54°69°
199688°48°68°
199593°64°79°
1994101°69°85°
199389°63°76°
199288°62°75°
1991coldest72°52°62°
1990102°66°84°
198989°57°73°
198895°64°80°
198788°58°73°
1986101°67°84°
1985101°64°82°
1984101°67°84°
198379°58°68°
198291°62°77°
198198°61°79°
1980103°56°79°
1979109°62°86°
197884°58°71°
197798°62°80°
1976warmest107°66°87°
197592°56°74°
1974106°63°84°
197393°63°78°
197298°56°77°
197185°62°73°
49 years of data from DEVORE CALIFORNIA

Rialto, CA Temperature Range by Month

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

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

Rialto, CA Monthly Precipitation

Average rainfall and snowfall per month, in inches.

0"0.3"0.5"JFMAMJJASOND0.1"0"
Rain (in) Snow (in)

Rialto, 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 Rialto, CA

Most pleasant months in Rialto, CA: January, February, March, April, May, October, November, December.

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

What to expect on June 28th

This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.

June 28th outlook →

Browse Weather History

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

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