NOAA GHCND · LIVE

Weather on February 28

Rialto, CA

55 Years of Data

Avg High
68°F
Avg Low
45°F
Warmest
2026
73°F avg
Coldest
2001
41°F avg

About This Date

February 28th in Rialto, CA typically brings mild winter weather, with average highs around 68°F and lows near 45°F. Over 49 years of records, the warmest February 28th was in 2026 (73°F average), while the coldest was 2001 (41°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 14% of February 28th dates historically, with the wettest February 28th recording 2.64" of rain.

Planning for February 28th in Rialto, CA? Great weather for outdoor activities.

YearHighLowAvgPrecipSnow
2026warmest90°55°73°
202581°45°63°
201758°41°49°
201685°56°70°
201554°47°50°
201456°46°51°
201373°51°62°
201250°37°44°
201162°36°49°
201062°43°52°
200974°58°66°
200878°54°66°
200754°35°44°
200661°43°52°
200561°48°54°
200459°35°47°
200358°38°48°
200270°49°59°
2001coldest45°38°41°
200060°41°51°
199982°49°65°
199874°42°58°
199764°40°52°
199657°37°47°
199555°50°53°
199475°45°60°
199357°37°47°0.18"
199275°54°64°
199158°47°52°
199073°43°58°
198964°44°54°
198871°52°61°0.25"
198764°37°51°
198674°51°62°
198580°43°61°
198479°41°60°
198363°52°57°0.86"
198278°44°61°
198161°43°52°0.25"
198071°47°59°
197969°40°54°
197866°54°60°2.01"
197776°39°57°
197681°45°63°
197584°45°64°
197471°42°57°0.64"
197362°51°57°2.64"
197280°46°63°
197158°34°46°
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"6.7"13.3"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

Rialto, 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.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery