30YearWeather
San Antonio in June
San Antonio weather in June - United States
☀️Hot & Sunny

San Antonio Weather in June

Plan your June trip to San Antonio, United States. Based on 30 years of NASA data, expect temperatures of 34°C (high) to 23°C (low), with 21% rain probability and 8 hours of daily sunshine. Great conditions with only 6 rainy days expected.

Avg High
34°C

Hottest around day 17

Avg Low
23°C

Coolest around day 1

Rainy Days
6days

21% avg rain chance

Sunshine
8hrs/day

Summer season

San Antonio June Weather Calendar

Click any day to see detailed weather information

Currency

USD

$ United States dollar

Language

English

Driving

Right side

Connect

As of Dec 2021, San Antonio has 5G from ...

Safety

Moderate Safety

GPI: 2.44

Travel Intelligence

Exclusive flight analytics & health data for San Antonio

Smart Flight Estimator

Airport-to-Airport Logistics

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Flight Connectivity Analysis

Airport traffic data & seasonal patterns

Moderate
46/ 100
Traffic Index

Balanced traffic

Peak Daily Arrivals

0

slots per day

Peak

Jun

Low

Feb

Monthly Traffic Distribution

111
Jan
109
Feb
130
Mar
158
Apr
158
May
163
Jun
119
Jul
135
Aug
135
Sep
135
Oct
135
Nov
135
Dec
Traffic Level
Low Season

Key Connections

Dallas-Fort Worth (DFW)
Denver (DEN)
Phoenix Sky Harbor (PHX)
Dallas Love Field (DAL)
Houston George Bush (IAH)

Health & Safety Advisory

CDC travel health recommendations

No Requirements

No Special Vaccinations Required

Standard travel precautions apply

Source: CDC Travelers' Health

View Complete Health Guide

Is June a Good Time to Visit San Antonio?

👌A reasonable choice for your trip
Short Answer

With 44°C apparent temperature (34°C actual, 67% humidity), June in San Antonio demands respect. Indoor attractions and water activities offer welcome relief.

Decision Factors

Very hot conditions

33.7°C average highs - limit midday exposure

Feels significantly hotter than 33.7°C

Heat index: 44°C due to 67% humidity

Peak tourist season

100% of annual peak - expect crowds and peak prices

Plenty of sunshine

11.8h of sunshine daily

Exceptional dining scene

15 Michelin-listed restaurants

Good For

  • 📸
    Photographers

    11.8h sunshine, 54% clear skies for golden hour shots

  • 💑
    Honeymoon couples

    Wedding score 90/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

  • 👨‍👩‍👧‍👦
    Families with children

    44°C heat index dangerous for children

  • 👴
    Elderly travelers

    Heat index of 44°C poses health risks

  • 🥾
    Outdoor enthusiasts

    Extreme conditions limit outdoor activity options

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,San Antonio in June averages 34°C with 21% precipitation probability."

📊 Source: 30YearWeather.com🛰️ Data: NASA POWER (1991-2021)View Methodology →

Frequently Asked Questions: San Antonio in June

What are the temperatures in San Antonio in June?

Daytime highs average 34°C, nights drop to 23°C. Temperatures remain fairly consistent.

How many rainy days in San Antonio in June?

Expect around 6 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in San Antonio in June?

Light, breathable fabrics. Don't forget sunglasses and a hat.

Is June peak season in San Antonio?

This is shoulder season—moderate prices and manageable crowds.