Sunnyvale weather in July: Sunnyvale, California: normal highs, lows, rain and records for July
Sunnyvale in July has a normal high of 77°F and a normal low of 59°F, a daily mean of 68°F, holding near 77°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 25°C and low of 15°C, 0 mm of precipitation in July.
- NOAA stationMoffett Federal Airfield
- Station IDUSW00023244
- Location37.41°N 122.05°W
- Elevation39 ft (12 m)
- From the center2 miles
- Population156,792
- Jan 59° 42°
- Feb 62° 45°
- Mar 65° 47°
- Apr 68° 49°
- May 72° 53°
- Jun 76° 56°
- Jul 77° 59°
- Aug 77° 59°
- Sep 78° 57°
- Oct 74° 53°
- Nov 66° 46°
- Dec 59° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Sunnyvale in July?
The normal high is 77°F and the normal low 59°F, for a daily mean of 67.7°F. July is 1.9°F warmer than June and 0.3°F cooler than August. July is the 2nd warmest month of the year in Sunnyvale and the 12th wettest. Across the month the normal high falls 1°F, from 77°F on July 1 to 76°F on July 31. 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 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 | 77°F | 57°F | 2% | – |
| July 8 | 77°F | 58°F | 1% | – |
| July 15 | 77°F | 59°F | 1% | – |
| July 22 | 77°F | 59°F | 1% | 0% |
| July 31 | 76°F | 59°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 | 77°F | 57°F | 2% | – | 14 h 40 min |
| July 2 | 77°F | 57°F | 1% | – | 14 h 40 min |
| July 3 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 4 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 5 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 6 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 7 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 8 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 9 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 10 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 11 | 77°F | 58°F | 1% | – | 14 h 40 min |
| July 12 | 77°F | 58°F | 1% | – | 14 h 30 min |
| July 13 | 77°F | 58°F | 1% | – | 14 h 30 min |
| July 14 | 77°F | 59°F | 1% | – | 14 h 30 min |
| July 15 | 77°F | 59°F | 1% | – | 14 h 30 min |
| July 16 | 77°F | 59°F | 1% | – | 14 h 30 min |
| July 17 | 77°F | 59°F | 1% | – | 14 h 30 min |
| July 18 | 77°F | 59°F | 1% | – | 14 h 30 min |
| July 19 | 77°F | 59°F | 1% | – | 14 h 30 min |
| July 20 | 77°F | 59°F | 1% | – | 14 h 20 min |
| July 21 | 77°F | 59°F | 1% | 0% | 14 h 20 min |
| July 22 | 77°F | 59°F | 1% | 0% | 14 h 20 min |
| July 23 | 77°F | 59°F | 1% | 0% | 14 h 20 min |
| July 24 | 77°F | 59°F | 1% | 0% | 14 h 20 min |
| July 25 | 77°F | 59°F | 1% | 0% | 14 h 20 min |
| July 26 | 76°F | 59°F | 1% | 0% | 14 h 20 min |
| July 27 | 76°F | 59°F | 1% | 0% | 14 h 10 min |
| July 28 | 76°F | 59°F | 1% | 0% | 14 h 10 min |
| July 29 | 76°F | 59°F | 1% | 0% | 14 h 10 min |
| July 30 | 76°F | 59°F | 1% | 0% | 14 h 10 min |
| July 31 | 76°F | 59°F | 1% | 0% | 14 h 10 min |
- Normal high
- 77°FJuly average
- Normal low
- 59°FJuly average
- Precipitation
- 0.00 inmonth total
- Days with precipitation
- fewer than 10.01 inch or more
- Days at 90°F or more
- 1
- Daylight
- 14 h 40 min to 14 h 10 minJuly 1 to July 31
- Days at 70°F or more
- 30
- Days at 80°F or more
- 8
- Sunshine
- 78%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00023244; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Sunnyvale 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, 0.00 in falls on 0 days of a normal July.
In a normal July in Sunnyvale, 1 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00023244.
What are the records for July in Sunnyvale?
The warmest July temperature on this station's record (since 1945) is 103°F, on July 31, 1993; the coldest is 45°F, on July 5, 1955. The wettest July brought 0.47 in (1980).
The July mean against the 1991-2020 normal of 67.7°F: 2025 65.5°F (−2.2), 2026 66.8°F (−0.9). 0 of 2 ran warmer than normal.
| July | Mean | Against normal | Precip. |
|---|---|---|---|
| 2025 | 65.5°F | −2.2°F | – |
| 2026 | 66.8°F | −0.9°F | – |
Source: records: ACIS, station USW00023244; recent months: ACIS, station USW00023244. Records and recent months use complete months only.
How does July in Sunnyvale 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; Sunnyvale's is 77°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.