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Weather on March 13

Simi Valley, CA

55 Years of Data

Avg High
68°F
Avg Low
50°F
Warmest
2026
80°F avg
Coldest
2006
45°F avg

About This Date

March 13th in Simi Valley, CA typically brings mild spring weather, with average highs around 68°F and lows near 50°F. Over 31 years of records, the warmest March 13th was in 2026 (80°F average), while the coldest was 2006 (45°F) — a 35°F range across recorded history. This date has historically been dry, with little recorded precipitation. 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 13th in Simi Valley, CA? Great weather for outdoor activities.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2026warmest89°72°80°
202549°41°45°
202468°48°58°
202361°48°54°
202271°50°61°
202160°42°51°
202052°47°49°
201961°45°53°
201861°54°57°
201787°65°76°
201661°45°53°
201582°70°76°
201473°48°61°
201391°67°79°
201261°45°53°
201170°46°58°
201064°44°54°
200964°41°53°
200873°52°62°
200782°50°66°
2006coldest55°36°45°
200555°52°53°
200468°52°60°
200373°50°62°
200263°48°55°
200169°54°61°
200072°49°60°
199972°50°61°
199862°45°53°
199779°59°69°
199653°45°49°
31 years of data from SIMI VALLEY CALIFORNIA

Simi Valley, 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°100°JFMAMJJASOND
Avg high Avg low

Simi Valley, 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 Simi Valley, CA

Most pleasant months in Simi Valley, CA: January, March, April, May, June, October, November.

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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