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Santa Rosa, CA Weather on July 11

July 11th in Santa Rosa, CA typically brings warm summer weather, with average highs around 83°F and lows near 52°F — a 31°F daily swing. Over 55 years of records, the warmest July 11th was in 1983 (81°F average), while the coldest was 2001 (60°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 11th dates historically. The last decade has been 5.0°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
83°F
Avg Low
52°F
Record High
103°F
1983
Record Low
46°F
1974
Santa Rosa, CA on July 11 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on July 11

Planning for July 11th in Santa Rosa, CA? Stay hydrated and seek shade during peak afternoon hours.

July 11 Weather Records for Santa Rosa

  • The all-time record high for July 11th in Santa Rosa, CA is 103°F, set in 1983.
  • The coldest July 11th on record dropped to 46°F in 1974.
  • Temperatures have reached 90°F or higher on July 11th in 12 of the last 55 years.
  • Last year (1971), July 11th was 6°F warmer than the long-term average.

Frequently Asked Questions

What was the warmest July 11 ever in Santa Rosa?

The warmest July 11 in Santa Rosa, CA reached 103°F in 1983. That is 20°F above the long-term average high of 83°F.

What was the coldest July 11 ever in Santa Rosa?

The coldest July 11 in Santa Rosa, CA dropped to 46°F in 1974. That is 6°F below the long-term average low of 52°F.

What is the average temperature on July 11 in Santa Rosa?

On July 11, Santa Rosa averages a high of 83°F and a low of 52°F based on 55 years of NOAA weather observations from SANTA ROSA.

How many years of weather data are available for July 11 in Santa Rosa?

We have 55 years of weather records for July 11 in Santa Rosa, 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 11 Weather History in Santa Rosa

YearHighLowPrecipSnow
202594°F56°F0"--
2024101°F58°F0"--
202389°F52°F0"--
202293°F57°F0"--
202191°F53°F0"--
202093°F56°F----
201986°F57°F0"--
201893°F53°F0"--
201782°F49°F----
201683°F57°F----
201577°F57°F----
201474°F57°F----
201371°F48°F----
2012--52°F0"--
201172°F--0"--
201076°F53°F0"--
200979°F50°F0"--
200875°F54°F0"--
200770°F51°F0.13"--
200675°F50°F0"--
200592°F56°F0"--
200485°F51°F0"--
200387°F49°F0"--
200288°F52°F0"--
200167°F54°F0"--
200072°F53°F0"--
199998°F55°F0"--
199881°F52°F0"--
199779°F56°F0"--
199676°F50°F0"--
199578°F53°F0"--
199478°F50°F0"--
199373°F52°F0"--
199276°F58°F0"--
199177°F50°F0"--
199097°F55°F0"--
198978°F50°F0"--
198883°F52°F0"--
198770°F52°F0"--
198687°F55°F0"--
198577°F49°F0"--
198487°F52°F0"--
1983103°F59°F0"--
198288°F53°F0"--
198184°F49°F0"--
198082°F50°F0"--
197991°F50°F0"--
197876°F49°F0"--
197786°F49°F0"--
197688°F52°F0"--
197585°F49°F0"--
197479°F46°F0"--
197388°F51°F0"--
197294°F52°F0"--
197189°F48°F0"--

Based on 55 years of data from NOAA station: SANTA ROSA

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 83°F / Low: 53°F
Coldest MonthDecemberAvg High: 57°F / Low: 40°F
Jan
58°/ 40°
💧 12.1"
Feb
61°/ 41°
💧 13.5"
Mar
65°/ 43°
💧 10.2"
Apr
69°/ 44°
💧 6.8"
May
74°/ 48°
💧 6.7"
Jun
80°/ 51°
💧 3.9"
Jul
82°/ 52°
💧 2.3"
Aug
83°/ 53°
💧 2.8"
Sep
82°/ 52°
💧 3.8"
Oct
76°/ 49°
💧 10.3"
Nov
65°/ 43°
💧 11.0"
Dec
57°/ 40°
💧 13.0"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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