Climateby Month

Yosemite Valley, CA weather in July

NOAA 1991-2020 normals and daily records · Yosemite Valley all year

Yosemite Valley is hot and dry in July: highs average 89°F and nights drop to about 57°F. Rain falls on about 1 day. This is the peak of the warm season in Yosemite Valley.

Normal high
89°F
Normal low
57°F
Wet days
1
0.3 in total
Daylight
14.5 h

How July changes from start to finish

Normal values at the start and end of July
July 1July 31
Normal high86°F90°F
Normal low55°F58°F
Chance of a wet day4%4%
Sunrise / sunset5:40 am / 8:24 pm6:01 am / 8:08 pm
Daylight14.7 h14.1 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Pacific Time).

What kind of days to expect

  • Comfortable dayshigh 65-80°F (temperature only: no humidity station nearby)2 of 31
  • Hot dayshigh 90°F or more16 of 31
  • Wet daysat least 0.01 in of rain or melted snow1 of 31
  • Notable rainat least 0.10 in1 of 31
  • Freezing nightslow 32°F or below0 of 31
  • Snow on the groundsnow depth 1 in or more0 of 31

Average days per July, counted from daily records for each year 1991-2020.

Rain in July

Normal precipitation is 0.3 in; a dry July brings about 0.0 in and a wet one about 0.08 in (25th and 75th percentiles). Days with half an inch or more are rare.

How July varies from year to year

  • Warmest July, 1991-20202013: average high 94°F
  • Coolest July1992: average high 84°F
  • Wettest July1992: 4.2 in
  • Driest July1991: no measurable precipitation
  • Highest reading103°F (July 10, 2002)
  • Lowest reading42°F (July 1, 1997)

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

JuneJulyAugust
Normal high81°F89°F89°F
Normal low51°F57°F57°F
Wet days211
Comfortable days1022
Daylight14.7 h14.5 h13.6 h

Highs change by +8°F from June and 0°F into August.

Nearby alternatives in July

How Yosemite Valley ranks in July

  • Normal high161st warmest of 378 cities; 27th of 60 in California
  • Wet days56th driest of 378

What to pack for Yosemite Valley in July

  • Light, breathable clothing – highs near 89°F
  • Layers – afternoons near 89°F but nights near 57°F
  • Sunglasses and sunscreen – about 14.5 hours of daylight and highs near 89°F

Heating and cooling

July has 4 heating degree days and 261 cooling degree days (base 65°F), 5% of the year's total heating and cooling demand.

Questions

How hot is Yosemite Valley in July?

The normal high is 89°F and the normal low is 57°F. From 1991 to 2020 the hottest July reading was 103°F (July 10, 2002).

Does it rain a lot in Yosemite Valley in July?

About 1 days in July have at least 0.01 in of precipitation, and the normal total is 0.3 in. The wettest July in 1991-2020 was in 1992 (4.2 in); the driest was in 1991, with no measurable precipitation.

Is July a good time to visit Yosemite Valley?

July ranks 8th of 12 months on our comfort score for Yosemite Valley (51 out of 100). It has about 2 comfortable days (judged by temperature only) and about 16 days at 90°F or hotter. The best month is May.

Where the numbers come from

  • Temperature, rain and frost dates: Yosemite Park Hq (USC00049855), 0.8 mi NW of the city center, 4,018 ft (52 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Hetch Hetchy (USC00043939), 19 mi NW of the city center, 3,870 ft (96 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Not available for this location: humidity and wind by hour, cloud cover and daily humidity and wind (no station close enough or similar enough in elevation).