Santa Clara, CA weather in July
Santa Clara is mild and dry in July: highs average 77°F and nights drop to about 59°F. Rain is rare. This is the peak of the warm season in Santa Clara. A great month for outdoor plans.
- Normal high
- 77°F
- Normal low
- 59°F
- Wet days
- 0
- 0.0 in total
- Muggy days
- 0
- dew point 65°F+
How July changes from start to finish
| July 1 | July 31 | |
|---|---|---|
| Normal high | 77°F | 76°F |
| Normal low | 57°F | 59°F |
| Chance of a wet day | 1% | 1% |
| Sunrise / sunset | 5:50 am / 8:32 pm | 6:11 am / 8:16 pm |
| Daylight | 14.7 h | 14.1 h |
Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).
A typical July day
- 6 am57°Fdew point 53°F
- 9 am63°Fdew point 54°F
- Noon69°Fdew point 54°F
- 3 pm69°Fdew point 54°F
- 6 pm64°Fdew point 53°F
- 9 pm59°Fdew point 53°F
NOAA hourly normals (local standard time) from San Francisco Intl Airport (29 mi away); average wind 13 mph; clear or few clouds in 65% of daytime hours, mostly cloudy or overcast in 17%.
What kind of days to expect
- Comfortable dayshigh 65-80°F and dew point under 60°F24 of 31
- Hot dayshigh 90°F or more1 of 31
- Muggy daysdaily mean dew point 65°F or more0 of 31
- Wet daysat least 0.01 in of rain or melted snow0 of 31
- Notable rainat least 0.10 in0 of 31
- Freezing nightslow 32°F or below0 of 31
Average days per July, counted from daily records for each year 1991-2020.
Rain in July
Normal precipitation is 0.0 in; a dry July brings about 0.0 in and a wet one about 0.0 in (25th and 75th percentiles). Days with half an inch or more are rare.
How July varies from year to year
- Warmest July, 1991-20202006: average high 81°F
- Coolest July2000: average high 74°F
- Wettest July2000: 0.04 in
- Driest July1999: no measurable precipitation
- Highest reading103°F (July 31, 1993)
- Lowest reading52°F (July 20, 2016)
From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.
July compared with June and August
| June | July | August | |
|---|---|---|---|
| Normal high | 76°F | 77°F | 77°F |
| Normal low | 56°F | 59°F | 59°F |
| Wet days | 1 | 0 | 0 |
| Comfortable days | 23 | 24 | 23 |
| Daylight | 14.7 h | 14.4 h | 13.6 h |
Highs change by +1°F from June and 0°F into August.
Nearby alternatives in July
- Warmer: Tracy, CA39 mi · high 95°F · 0 wet days
- Cooler: San Francisco, CA39 mi · high 66°F · 1 wet day
How Santa Clara ranks in July
- Normal high343rd warmest of 378 cities; 48th of 60 in California
- Wet days13th driest of 378
- Comfortable days7th most of 340
What to pack for Santa Clara in July
- Sunglasses and sunscreen – about 14.4 hours of daylight and highs near 77°F
Heating and cooling
July has 11 heating degree days and 95 cooling degree days (base 65°F), 4% of the year's total heating and cooling demand.
Questions
How hot is Santa Clara in July?
The normal high is 77°F and the normal low is 59°F. From 1991 to 2020 the hottest July reading was 103°F (July 31, 1993).
Does it rain a lot in Santa Clara in July?
About 0 days in July have at least 0.01 in of precipitation, and the normal total is 0.00 in. The wettest July in 1991-2020 was in 2000 (0.04 in); the driest was in 1999, with no measurable precipitation.
Is July a good time to visit Santa Clara?
July ranks 2nd of 12 months on our comfort score for Santa Clara (89 out of 100). It has about 24 comfortable days and about 1 day at 90°F or hotter. The best months are May, June and July.
Where the numbers come from
- Temperature: Moffett Federal Airfield (USW00023244), 6.2 mi NW of the city center, 39 ft . NOAA normals and daily records, 1991-2020.
- Rain and frost dates: San Jose (USW00023293), 1.8 mi ENE of the city center, 51 ft . NOAA normals and daily records, 1991-2020.
- Snowfall and snow depth: San Jose (USC00047821), 2.9 mi E of the city center, 67 ft . NOAA normals and daily records, 1991-2020.
- Humidity and wind by hour and cloud cover: San Francisco Intl Airport (USW00023234), 29 mi NW of the city center, 8 ft (64 ft lower than the city). NOAA normals and daily records, 1991-2020.
- Daily humidity and wind: N Y. Mineta Sn Jo Intl Apt (724945-23293), 1.8 mi E of the city center, 49 ft . Hourly observations, 1991-2020.