San Jose weather in July: San Jose, California: normal highs, lows, rain and records for July

San Jose in July has a normal high of 81°F and a normal low of 58°F, a daily mean of 70°F, holding near 81°F all month. Measurable precipitation falls on 0 days in a normal July, 0.00 inches in all. (NOAA 1991-2020 normals)

In metric: a normal high of 27°C and low of 15°C, 0 mm of precipitation in July.

  • NOAA stationSan Jose
  • Station IDUSW00023293
  • Location37.36°N 121.92°W
  • Elevation51 ft (16 m)
  • From the center7 miles
  • Population997,368
  1. Jan 60° 42°
  2. Feb 62° 44°
  3. Mar 66° 46°
  4. Apr 69° 48°
  5. May 74° 52°
  6. Jun 79° 56°
  7. Jul 81° 58°
  8. Aug 81° 59°
  9. Sep 81° 57°
  10. Oct 76° 53°
  11. Nov 66° 46°
  12. Dec 60° 42°

Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.

How warm is San Jose in July?

The normal high is 81°F and the normal low 58°F, for a daily mean of 69.5°F. July is 2.2°F warmer than June and 0.5°F cooler than August. July is the 2nd warmest month of the year in San Jose and the 12th wettest. From one year to the next July's mean temperature typically moves about 1.3°F either way (NOAA's standard deviation), so roughly two Julys in three average between 68°F and 71°F.

San Jose in July, day by day: normal high and low

Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 1%).

Normal high and low on five days of July, with the chance of precipitation
DayHighLowChance of 0.01 inChance of 0.10 in
July 181°F57°F1%–
July 881°F58°F1%–
July 1581°F58°F1%–
July 2281°F59°F1%0%
July 3181°F59°F1%0%
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 7, coldest night July 1)
San Jose: NOAA 1991-2020 daily normals for each day of July
DayHighLowChance of 0.01 inChance of 0.10 inDaylight
July 181°F57°F1%–14 h 40 min
July 281°F57°F1%–14 h 40 min
July 381°F57°F1%–14 h 40 min
July 481°F57°F1%–14 h 40 min
July 581°F57°F1%–14 h 40 min
July 681°F58°F1%–14 h 40 min
July 781°F58°F1%–14 h 40 min
July 881°F58°F1%–14 h 40 min
July 981°F58°F1%–14 h 40 min
July 1081°F58°F1%–14 h 40 min
July 1181°F58°F1%–14 h 30 min
July 1281°F58°F1%–14 h 30 min
July 1381°F58°F1%–14 h 30 min
July 1481°F58°F1%–14 h 30 min
July 1581°F58°F1%–14 h 30 min
July 1681°F58°F1%–14 h 30 min
July 1781°F58°F1%–14 h 30 min
July 1881°F58°F1%–14 h 30 min
July 1981°F58°F1%–14 h 30 min
July 2081°F58°F1%–14 h 20 min
July 2181°F59°F1%0%14 h 20 min
July 2281°F59°F1%0%14 h 20 min
July 2381°F59°F1%0%14 h 20 min
July 2481°F59°F1%0%14 h 20 min
July 2581°F59°F1%0%14 h 20 min
July 2681°F59°F1%0%14 h 20 min
July 2781°F59°F1%0%14 h 10 min
July 2881°F59°F1%0%14 h 10 min
July 2981°F59°F1%0%14 h 10 min
July 3081°F59°F1%0%14 h 10 min
July 3181°F59°F1%0%14 h 10 min
Normal high
81°FJuly average
Normal low
58°FJuly average
Precipitation
0.00 inmonth total
Days with precipitation
fewer than 10.01 inch or more
Days at 90°F or more
3
Daylight
14 h 40 min to 14 h 10 minJuly 1 to July 31
Days at 70°F or more
31
Days at 80°F or more
17
Sunshine
97%of clear-sky sunlight (NASA)

Source: NOAA NCEI 1991-2020 daily normals, station USW00023293; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.

Does it rain in San Jose in July?

On a given July day the chance of 0.01 inch or more is 1% on average, highest around July 1 (1%). In all, 0.00 in falls on 0 days of a normal July.

In a normal July in San Jose, 3 days reach 90°F.

Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023293.

What are the records for July in San Jose?

The warmest July temperature on San Jose's official record (since 1893) is 108°F, on July 7, 1905; the coldest is 40°F, on July 28, 1893. The wettest July brought 0.75 in (1980).

The July mean against the 1991-2020 normal of 69.5°F: 2021 68.7°F (−0.8), 2022 69.4°F (−0.1), 2023 70.1°F (+0.6), 2024 75.5°F (+6.0), 2025 67.7°F (−1.8), 2026 69.7°F (+0.2). 3 of 6 ran warmer than normal.

San Jose: July in recent years against the 1991-2020 normal
JulyMeanAgainst normalPrecip.
202168.7°F−0.8°F0.00 in
202269.4°F−0.1°F0.00 in
202370.1°F+0.6°F0.00 in
202475.5°F+6.0°F0.00 in
202567.7°F−1.8°F0.00 in
202669.7°F+0.2°F0.00 in

Source: records: ACIS, NWS threaded record SJCthr; recent months: ACIS, station USW00023293. Records and recent months use complete months only.

How does July in San Jose compare across California?

Across the 219 places PlainClimate covers in California, July normal highs run from 62°F in Bodega to 111°F in Needles; San Jose's is 81°F.

Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.

Other months and places