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Weather on March 17

San Bernardino, CA

55 Years of Data

Avg High
73°F
Avg Low
47°F
Warmest
2026
79°F avg
Coldest
2006
43°F avg

About This Date

March 17th in San Bernardino, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 47°F — a 26°F daily swing. Over 49 years of records, the warmest March 17th was in 2026 (79°F average), while the coldest was 2006 (43°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 10% of March 17th dates historically, with the wettest March 17th recording 4.5" of rain.

Planning for March 17th in San Bernardino, CA? Great weather for outdoor activities.

Warming Trend
1.5°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest99°60°79°
202566°49°58°
201784°59°72°
201679°55°67°
201581°57°69°
201478°51°65°
201373°48°61°
201262°43°52°2.41"
201170°49°59°
201084°48°66°
200983°46°64°
200871°43°57°
200787°49°68°
2006coldest49°38°43°
200569°44°57°
200491°54°72°
200363°45°54°
200259°36°47°
200182°47°64°
200086°51°69°
199960°43°51°
199862°50°56°
199773°53°63°
199672°48°60°
199579°56°67°
199478°53°66°
199370°56°63°
199260°53°57°
199165°37°51°
199078°48°63°
198968°50°59°
198876°42°59°
198769°39°54°
198666°38°52°
198575°43°59°
198470°48°59°
198364°49°56°0.97"
198252°39°45°4.5"
198152°
198076°43°59°
197958°41°49°1.35"
197889°46°68°
197760°41°51°0.28"
197683°53°68°
197568°36°52°
197481°50°65°
197367°43°55°
197279°47°63°
197183°44°63°
49 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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