San Antonio, United States skyline

San Antonio Weather in July

What July is usually like in San Antonio, United States — from 2006–2025 averages.

Expect San Antonio to reach about 34.8°C (94.6°F) by day and 24.3°C (75.7°F) at night in July, with 8 rainy days bringing 71 mm and around 11.9 hours of sunshine each day.

Avg high

34.8°C (94.6°F)

Avg low

24.3°C (75.7°F)

Rainfall

71 mm (2.8 in)

Rainy days

8 days

Sunshine

11.9 h / day

Humidity

65%

July vs the rest of the year

July is warmer than 10 of the other 11 months, and the 5th wettest month in San Antonio.

MonthAvg highvs JulyRainRainy days
January17.1°C (62.8°F)−17.7°C (−31.9°F)58 mm7
February19.6°C (67.3°F)−15.2°C (−27.4°F)50 mm7
March24.1°C (75.4°F)−10.7°C (−19.3°F)69 mm9
April27.4°C (81.3°F)−7.4°C (−13.3°F)84 mm10
May30.5°C (86.9°F)−4.3°C (−7.7°F)137 mm13
June33.9°C (93°F)−0.9°C (−1.6°F)66 mm9
July34.8°C (94.6°F)—71 mm8
August35.7°C (96.3°F)+0.9°C (+1.6°F)55 mm6
September32.2°C (90°F)−2.6°C (−4.7°F)87 mm9
October28.2°C (82.8°F)−6.6°C (−11.9°F)75 mm7
November22.1°C (71.8°F)−12.7°C (−22.9°F)56 mm7
December18.5°C (65.3°F)−16.3°C (−29.3°F)49 mm8

What July feels like in San Antonio

In San Antonio, July brings mid-summer. Midday heat is intense, and most people keep to shade or air-conditioning in the afternoon. Once the sun goes down the air changes: nights stay warm. Some humidity hangs in the air, noticeable when the sun is strong.

Rain in San Antonio in July

Expect a mix of dry and wet days, with rain about one day in 4. A rainy day brings about 8.9 mm (0.4 in) on average — steady rain rather than a passing shower. Across the year San Antonio averages about 8.5 mm per rainy day, so July is typical.

Daylight and sunshine in July

On 15 July the sun rises at about 6:44 am and sets around 8:36 pm local time, giving 13 h 52 min of daylight. Day length barely changes from mid-June (9 min shorter). Measured sunshine covers about 86% of the daylight — skies are mostly clear.

How July compares to the rest of the year

July is the 2nd warmest month of the year in San Antonio. Against June, the average high is 0.9°C (1.6°F) higher, with 6 mm more rain. August continues the upward trend. By August, typical highs are 35.7°C (96.3°F).

Who July suits

  • Sightseeing: less ideal — midday heat makes long walks hard.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.
  • Museums & indoor: a good choice — a cool break during the hottest hours.

Tips for visiting San Antonio in July

Rain Protection

A packable rain jacket saves the day on showery afternoons.

Sun Protection

Sunscreen, a hat and sunglasses; light breathable clothes.

Quick questions

How warm is San Antonio in July?

Afternoons average 34.8°C (94.6°F) and nights about 24.3°C (75.7°F) — very hot by most people's standards. It is the 2nd warmest month of the year.

Does it rain a lot in San Antonio in July?

It does: about 8 rainy days bring roughly 71 mm, so plan some indoor options.

What should I wear in San Antonio in July?

The numbers point to rain protection and sun protection. Evenings feel similar to the day, so the same clothes work from morning to night.

Is July or August better for visiting San Antonio?

On our 12-month climate ranking, August comes out ahead (#9 of 12 vs #10). August has fewer rainy days.

Is July a good time to visit San Antonio?

Fair

Fair — hot days, some rainy days (about 8), plenty of sunshine (11.9 h a day). Within San Antonio's own year, July ranks #10 of 12 — one of the least comfortable months.

July in other United States cities

Drier places in July

Plan a trip to San Antonio

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in San Antonio weather by month.