30YearWeather
San Antonio in April
San Antonio weather in April - United States
😊Warm & Pleasant

San Antonio Weather in April

Plan your April trip to San Antonio, United States. Based on 30 years of NASA data, expect temperatures of 27°C (high) to 16°C (low), with 24% rain probability and 8 hours of daily sunshine. Great conditions with only 10 rainy days expected.

Avg High
27°C

Hottest around day 30

Avg Low
16°C

Coolest around day 7

Rainy Days
10days

24% avg rain chance

Sunshine
8hrs/day

Spring season

San Antonio April 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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Add your home location in settings to see airport details.

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 April a Good Time to Visit San Antonio?

👍Very good conditions overall
Short Answer

San Antonio's April delivers on its reputation: 27°C, 24% rain, 9h sunshine. The trade-off? Peak crowds and prices at 97% capacity.

Decision Factors

Peak tourist season

97% of annual peak - expect crowds and peak prices

Plenty of sunshine

9h of sunshine daily

Exceptional dining scene

15 Michelin-listed restaurants

Good For

  • 👨‍👩‍👧‍👦
    Families with children

    Comfortable 27.2°C temperatures and low 24% rain risk

  • 🥾
    Outdoor enthusiasts

    Ideal hiking conditions: 27.2°C, 24% rain chance

  • 🏛️
    Cultural tourists

    Comfortable conditions for exploring museums and sites

  • 💑
    Honeymoon couples

    Wedding score 96/100 with romantic weather conditions

  • 💼
    Business travelers

    Climate-controlled meetings unaffected by weather

Who Should Avoid

  • 💰
    Budget travelers

    Peak season means premium prices everywhere

900 observations30-year historical data
Confidence: 95%

"According to 30YearWeather's analysis of 30 years of NASA POWER satellite data,San Antonio in April averages 27°C with 24% precipitation probability."

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

Frequently Asked Questions: San Antonio in April

What are the temperatures in San Antonio in April?

Daytime highs average 27°C, nights drop to 16°C. Temperatures remain fairly consistent.

How many rainy days in San Antonio in April?

Expect around 10 days with measurable rainfall. Rain is unlikely to disrupt plans.

What to wear in San Antonio in April?

Comfortable casual wear with a light jacket for evenings.

Is April peak season in San Antonio?

This is typically peak season with higher prices. Book 2-3 months ahead.