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Vallejo, CA Weather on July 11

July 11th in Vallejo, CA typically brings warm summer weather, with average highs around 86°F and lows near 55°F — a 31°F daily swing. Over 55 years of records, the warmest July 11th was in 2024 (86°F average), while the coldest was 1974 (58°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 2% of July 11th dates historically. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
86°F
Avg Low
55°F
Record High
104°F
2024
Record Low
47°F
1974
Vallejo, CA on July 11 — Temperature History40°F60°F80°F100°F120°F19801990200020102020HighLow

What to Expect on July 11

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

July 11 Weather Records for Vallejo

  • The all-time record high for July 11th in Vallejo, CA is 104°F, set in 2024.
  • The coldest July 11th on record dropped to 47°F in 1974.
  • Temperatures have reached 90°F or higher on July 11th in 18 of the last 55 years.
  • Last year (1971), July 11th was 8°F cooler than the long-term average.

Frequently Asked Questions

What was the warmest July 11 ever in Vallejo?

The warmest July 11 in Vallejo, CA reached 104°F in 2024. That is 18°F above the long-term average high of 86°F.

What was the coldest July 11 ever in Vallejo?

The coldest July 11 in Vallejo, CA dropped to 47°F in 1974. That is 8°F below the long-term average low of 55°F.

What is the average temperature on July 11 in Vallejo?

On July 11, Vallejo averages a high of 86°F and a low of 55°F based on 55 years of NOAA weather observations from VALLEJO.

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

We have 55 years of weather records for July 11 in Vallejo, 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 Vallejo

YearHighLowPrecipSnow
202589°F56°F0"--
2024104°F68°F0"--
202391°F54°F0"--
202295°F59°F0"--
202196°F54°F0"--
2020102°F56°F0"--
201987°F57°F0"--
201891°F55°F0"--
201786°F53°F0"--
201691°F56°F0"--
201582°F58°F0"--
201474°F59°F0"--
201372°F51°F0"--
201287°F52°F0"--
201172°F52°F0"--
201075°F54°F0"--
200976°F52°F0"--
200873°F59°F0"--
200775°F56°F0.03"--
200677°F54°F0"--
200588°F52°F0"--
200486°F54°F0"--
200384°F54°F0"--
200282°F62°F0"--
200172°F55°F0"--
200075°F55°F0"--
199997°F55°F0"--
199882°F54°F0"--
199792°F58°F0"--
199691°F56°F0"--
199580°F53°F0"--
199488°F51°F0"--
199386°F54°F0"--
199280°F60°F0"--
199189°F49°F0"--
199099°F57°F0"--
198977°F54°F0"--
198884°F50°F0"--
198781°F59°F0"--
198697°F61°F0"--
198580°F62°F0"--
1984100°F57°F0"--
1983102°F59°F0"--
198295°F56°F0"--
198186°F52°F0"--
198089°F64°F0"--
197993°F52°F0"--
197878°F49°F0"--
197796°F50°F0"--
197688°F59°F0"--
197583°F52°F0"--
197470°F47°F0"--
197390°F58°F0"--
197275°F56°F0"--
197178°F54°F0"--

Based on 55 years of data from NOAA station: VALLEJO

Monthly Climate Averages

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

Warmest MonthAugustAvg High: 85°F / Low: 57°F
Coldest MonthDecemberAvg High: 57°F / Low: 41°F
Jan
58°/ 42°
💧 9.4"
Feb
62°/ 43°
💧 10.4"
Mar
66°/ 45°
💧 8.4"
Apr
70°/ 47°
💧 7.5"
May
76°/ 50°
💧 7.3"
Jun
82°/ 54°
💧 4.5"
Jul
84°/ 56°
💧 2.2"
Aug
85°/ 57°
💧 2.8"
Sep
84°/ 56°
💧 3.9"
Oct
77°/ 52°
💧 9.2"
Nov
66°/ 46°
💧 8.4"
Dec
57°/ 41°
💧 9.2"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

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