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Simi Valley, CA Weather on July 16

July 16th in Simi Valley, CA typically brings warm summer weather, with average highs around 89°F and lows near 62°F — a 27°F daily swing. Over 30 years of records, the warmest July 16th was in 1998 (91°F average), while the coldest was 2011 (64°F) — a 27°F range across recorded history. This date has historically been dry, with little recorded precipitation. The last decade has been 2.1°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
89°F
Avg Low
62°F
Record High
107°F
1998
Record Low
54°F
2001
Simi Valley, CA on July 16 — Temperature History40°F60°F80°F100°F120°F200020102020HighLow

What to Expect on July 16

Planning for July 16th in Simi Valley, CA? Stay hydrated and seek shade during peak afternoon hours.

July 16 Weather Records for Simi Valley

  • The all-time record high for July 16th in Simi Valley, CA is 107°F, set in 1998.
  • The coldest July 16th on record dropped to 54°F in 2001.
  • Temperatures have reached 90°F or higher on July 16th in 14 of the last 30 years.

Frequently Asked Questions

What was the warmest July 16 ever in Simi Valley?

The warmest July 16 in Simi Valley, CA reached 107°F in 1998. That is 18°F above the long-term average high of 89°F.

What was the coldest July 16 ever in Simi Valley?

The coldest July 16 in Simi Valley, CA dropped to 54°F in 2001. That is 8°F below the long-term average low of 62°F.

What is the average temperature on July 16 in Simi Valley?

On July 16, Simi Valley averages a high of 89°F and a low of 62°F based on 30 years of NOAA weather observations from SIMI VALLEY CALIFORNIA.

How many years of weather data are available for July 16 in Simi Valley?

We have 30 years of weather records for July 16 in Simi Valley, CA, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

July 16 Weather History in Simi Valley

YearHighLowPrecipSnow
202586°F57°F----
202490°F62°F----
2023104°F67°F----
202299°F69°F----
202194°F60°F----
202089°F56°F----
201998°F66°F----
201892°F63°F----
201795°F66°F----
201686°F58°F----
201589°F58°F----
201481°F58°F----
201395°F63°F----
201275°F55°F----
201173°F55°F----
201090°F71°F----
200986°F56°F----
200884°F61°F----
200775°F57°F----
200693°F70°F----
200581°F59°F----
200486°F64°F----
200393°F63°F----
200288°F62°F----
200182°F54°F----
200084°F56°F----
199990°F59°F----
1998107°F76°F----
199799°F68°F----
199689°F57°F----

Based on 30 years of data from NOAA station: SIMI VALLEY CALIFORNIA

Monthly Climate Averages

Historical temperature and precipitation averages for Simi Valley, CA, based on 55+ years of weather data.

Warmest MonthAugustAvg High: 88°F / Low: 62°F
Coldest MonthDecemberAvg High: 64°F / Low: 48°F
Jan
65°/ 49°
Feb
64°/ 47°
Mar
68°/ 48°
Apr
70°/ 49°
May
76°/ 54°
Jun
80°/ 56°
Jul
87°/ 61°
Aug
88°/ 62°
Sep
85°/ 61°
Oct
79°/ 57°
Nov
71°/ 53°
Dec
64°/ 48°

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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