San Juan Weather in July

What's the weather like in San Juan (Texas) in July 2025?

The climate in San Juan during July can be summarized as very hot, humid and reasonably dry.

July is in the summer in San Juan and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 35°C (96°F), whilst at night 24°C (76°F) is normal.

San Juan weather averages (imperial / metric)
Daytime temperature 35.4°C 95.7°F
Nightly temperature 24.4°C 75.9°F
Average temperature 29.9°C 85.8°F
Daily sunshine 10.4 hrs
Avg rainfall 37 mm 1.5 ins
Rainy days 3 days
Sea temperature 28.5°C 83.4°F
Humidity 70%
Windspeed 16.9kph 11 mph

On average July is the 6th wettest month of the year in San Juan with around 37mm 1.5 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.4 hours of sunshine per day.

July temperatures in San Juan

San Juan average temperature in July

July rainfall

San Juan average rain in July

July hourly sunshine

San Juan average rain in July

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan in July 2025.

Other monthly averages

Best places to visit in July

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Juan weather stats

San Juan weather statistics
Hottest month: August 35.3°C 95.5°F
Driest month: March 13mm 0.5ins
Sunniest month: July 10.4hrs
Coldest month: January 20.3°C 68.5°F
Wettest month: September 110mm 4.3ins
Map showing location of San Juan (26.18924, -98.15529) San Juan map pin © Google

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