NOAA GHCND · LIVE

Weather on March 20

Santa Ana, CA

55 Years of Data

Avg High
73°F
Avg Low
52°F
Warmest
2026
79°F avg
Coldest
1973
53°F avg

About This Date

March 20th in Santa Ana, CA typically brings pleasant spring weather, with average highs around 73°F and lows near 52°F. Over 56 years of records, the warmest March 20th was in 2026 (79°F average), while the coldest was 1973 (53°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 20% of March 20th dates historically, with the wettest March 20th recording 2.84" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for March 20th in Santa Ana, CA? Great weather for outdoor activities.

Warming Trend
0.9°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest95°63°79°
202572°50°61°
202475°56°65°
202362°55°59°0.48"
202274°53°63°0.66"
202170°55°62°
202066°51°59°0.1"
201969°58°63°
201874°55°64°
201773°58°65°
201674°55°64°
201579°61°70°
201476°57°66°
201369°53°61°
201272°44°58°
201159°53°56°0.33"
201083°51°67°
200970°55°62°
200870°50°60°
200767°54°60°
200662°49°55°0.63"
200570°51°60°
200479°55°67°
200368°48°58°
200279°48°63°
200184°55°70°
200073°54°63°
199966°48°57°0.15"
199873°53°63°
199791°55°73°
199673°57°65°
199571°60°66°
199472°56°64°
199375°58°66°
199266°60°63°2.84"
199158°48°53°2.41"
199090°53°71°
198985°51°68°
198890°54°72°
198767°44°55°
198683°47°65°
198566°50°58°
198482°52°67°
198364°47°55°
198271°41°56°
198165°50°57°1.3"
198071°47°59°
197963°48°55°1.37"
197870°57°63°
197768°43°55°
197679°46°62°
197573°50°62°
197463°55°59°
1973coldest61°45°53°1.83"
197270°55°62°
197178°45°61°
56 years of data from SANTA ANA FIRE STN

Santa Ana, CA Temperature Range by Month

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

40°50°60°70°80°90°JFMAMJJASOND
Avg high Avg low

Santa Ana, CA Monthly Precipitation

Average rainfall per month, in inches.

0"5.4"10.8"JFMAMJJASOND
Rain (in)

Santa Ana, 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 Santa Ana, CA

Most pleasant months in Santa Ana, CA: June, July.

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