Santa Rosa weather in July: Santa Rosa, California: normal highs, lows, rain and records for July
Santa Rosa in July has a normal high of 84°F and a normal low of 52°F, a daily mean of 68°F, holding near 84°F all month. Measurable precipitation falls on 0 days in a normal July, 0.01 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 29°C and low of 11°C, 0 mm of precipitation in July.
- NOAA stationSanta Rosa Sonoma County Airport
- Station IDUSW00023213
- Location38.50°N 122.81°W
- Elevation114 ft (35 m)
- Population177,524
- Jan 58° 38°
- Feb 62° 39°
- Mar 65° 41°
- Apr 69° 43°
- May 75° 47°
- Jun 82° 50°
- Jul 84° 52°
- Aug 84° 52°
- Sep 83° 50°
- Oct 77° 46°
- Nov 65° 40°
- Dec 58° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Santa Rosa in July?
The normal high is 84°F and the normal low 52°F, for a daily mean of 67.6°F. July is 1.7°F warmer than June and 0.4°F cooler than August. July is the 2nd warmest month of the year in Santa Rosa and the 12th wettest. Across the month the normal high falls 1°F, from 84°F on July 1 to 83°F on July 31. From one year to the next July's mean temperature typically moves about 1.4°F either way (NOAA's standard deviation), so roughly two Julys in three average between 66°F and 69°F.
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 2%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| July 1 | 84°F | 51°F | 2% | – |
| July 8 | 84°F | 51°F | 2% | – |
| July 15 | 84°F | 52°F | 1% | – |
| July 22 | 83°F | 52°F | 1% | – |
| July 31 | 83°F | 52°F | 1% | 0% |
Every day of July: normal high, low and chance of precipitation (warmest afternoon July 1, coldest night July 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| July 1 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 2 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 3 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 4 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 5 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 6 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 7 | 84°F | 51°F | 2% | – | 14 h 50 min |
| July 8 | 84°F | 51°F | 2% | – | 14 h 40 min |
| July 9 | 84°F | 51°F | 2% | – | 14 h 40 min |
| July 10 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 11 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 12 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 13 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 14 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 15 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 16 | 84°F | 52°F | 1% | – | 14 h 40 min |
| July 17 | 83°F | 52°F | 1% | – | 14 h 30 min |
| July 18 | 83°F | 52°F | 1% | – | 14 h 30 min |
| July 19 | 83°F | 52°F | 1% | – | 14 h 30 min |
| July 20 | 83°F | 52°F | 1% | – | 14 h 30 min |
| July 21 | 83°F | 52°F | 1% | – | 14 h 30 min |
| July 22 | 83°F | 52°F | 1% | – | 14 h 30 min |
| July 23 | 83°F | 52°F | 1% | 0% | 14 h 30 min |
| July 24 | 83°F | 52°F | 1% | 0% | 14 h 20 min |
| July 25 | 83°F | 52°F | 1% | 0% | 14 h 20 min |
| July 26 | 83°F | 52°F | 1% | 0% | 14 h 20 min |
| July 27 | 83°F | 52°F | 1% | 0% | 14 h 20 min |
| July 28 | 83°F | 52°F | 1% | 0% | 14 h 20 min |
| July 29 | 83°F | 52°F | 1% | 0% | 14 h 20 min |
| July 30 | 83°F | 52°F | 1% | 0% | 14 h 10 min |
| July 31 | 83°F | 52°F | 1% | 0% | 14 h 10 min |
- Normal high
- 84°FJuly average
- Normal low
- 52°FJuly average
- Precipitation
- 0.01 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 7
- Daylight
- 14 h 50 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 21
- Sunshine
- 95%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023213; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Santa Rosa in July?
On a given July day the chance of 0.01 inch or more is 1% on average, highest around July 1 (2%). In all, 0.01 in falls on 0 days of a normal July.
In a normal July in Santa Rosa, 7 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023213.
What are the records for July in Santa Rosa?
The warmest July temperature on this station's record (since 1998) is 108°F, on July 22, 2006; the coldest is 41°F, on July 6, 2009. The wettest July brought 0.10 in (2007).
The July mean against the 1991-2020 normal of 67.6°F: 2021 66.8°F (−0.8), 2022 67.1°F (−0.5), 2023 69.5°F (+1.9), 2024 71.6°F (+4.0), 2025 65.6°F (−2.0), 2026 68.3°F (+0.7). 3 of 6 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 66.8°F | −0.8°F | 0.00 in |
| 2022 | 67.1°F | −0.5°F | 0.00 in |
| 2023 | 69.5°F | +1.9°F | 0.00 in |
| 2024 | 71.6°F | +4.0°F | 0.00 in |
| 2025 | 65.6°F | −2.0°F | 0.01 in |
| 2026 | 68.3°F | +0.7°F | 0.00 in |
Source: records: ACIS, station USW00023213; recent months: ACIS, station USW00023213. Records and recent months use complete months only.
How does July in Santa Rosa 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; Santa Rosa's is 84°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.