BestDateWeather
✈️ Plan my tripPlan trip
San Antonio, United States · Temperate

San Antonio in March: go or not?

Excellent time. San Antonio in March scores 8.1/10.

📅 Updated August 2026 🛰️ ERA5 · 10 years 📍 29.42°N · 98.49°W
⚡ This month's verdict
Go for it
San Antonio · March
8.1
14–26°
Temperature
32%
Rain
7h
Sun
🏛️ Heritage🌧️ Moderate rain☔ Indoor sights
Photo : Mick Haupt via Unsplash
The month in detail

What to expect in March

Spring marks the start of the good season in San Antonio. Temperatures rise (26.0°C) and tourists have not yet arrived en masse. Expect rain on 32.0% of days — a light raincoat in the bag is recommended. A good balance between weather and crowds, even if October (8.4/10) remains theoretically better.

March ranks 3 out of 12 months in San Antonio. Compared to February: +5°C daytime, 6 pts more rainy days, +1.0h of sun per day.

This month's conditions

What it's like in March

UV index
6 · high
sunscreen and hat advised
Feels like
comfortable
11°
Daylight
11.8h of daylight
Air quality
good
AQI 28
Compare

Is March the right month?

The best month in San Antonio is October (8.4/10), 0.3 pt higher than March.

See October →See all 12 months →
Context

Our verdict

San Antonio, in Texas: 1.5 million inhabitants (7th largest city in the USA), founded by the Spanish in 1718, the most historic "Hispanic" city in the USA after Saint Augustine.

Read Gilles' full review →

Book

Plan your trip

Hotels at their lowest outside peak season, highest on comfortable months. Shoulder seasons offer a good price/climate compromise.

🏨
Stay
Hotels & rentals · San Antonio
Expedia →
🎟️
Activities
Tours, tickets, experiences
See ↓
✈️
Flights
Multi-airline comparator
Kiwi →

🎟️ Activities & tours · San Antonio

GetYourGuide selection · free cancellation

See all →
Affiliate link · GetYourGuide
Practical info

What you need to know before you go

Three angles: the country (language, currency, safety, budget), the year-round climate, and the specifics of a city break.

Country · United States

🗣️LanguageEnglish
💶CurrencyUS Dollar ($)
🚗DrivingRight-hand
🛡️Safety ⓘVery safe · 1/5
💰Cost of living ⓘExpensive · 4/5

🌡️ Climate

🌍Climate typeTemperate
📈Climate trend ⓘ+1.35°C/decade
🔥Hottest monthJuly · 36°C
❄️Coolest monthJanuary · 18°C
🌧️Rainiest month ⓘMay · 47%

🏛️ City break

📅Tourist peak seasonJune → August
☔Indoor sights ⓘYear-round
🚇Public transportGood
Explore

Other destinations in March

If March doesn't convince you for this destination, compare with others.

Similar climate
AustinUnited StatesMateraItalyHonoluluUnited StatesMonacoMonacoBolognaItaly
Nearby
New OrleansUSA815 kmSan Miguel de AllendeMexico973 kmGuanajuatoMexico975 kmSanta FeUnited States986 km
Other top picks
FuerteventuraSpain8.1MaseruLesotho8.1BujumburaBurundi8.0JohannesburgSouth Africa8.0TanzaniaTanzania8.0
← FebruaryApril →
🗺️ See all 754 destinations on the map
Location

Where is San Antonio ?

Global position + regional geographic context.

🌍 World
🔍 Geographic context
United States
Temperate climate with a 8.4 → 4.7 gap between best and worst month. 10 years of ERA5 data to choose by project.
29.42°N · 98.49°W
Questions

Frequently asked questions

What is the best time to visit San Antonio?
October is the best month with 29.0°C highs, 19.0°C lows, 7.0h of sunshine and 25.0% rainy days. The months of October & April offer comparable conditions.
How many hours of sunshine does San Antonio get in October?
San Antonio averages 7.0 sunshine hours per day in October. It is the sunniest month with a climate score of 7.9/10.
What is the rainiest month in San Antonio?
July is the most unfavourable month with July has the lowest climate score of the year and the lowest climate score of the year.
What are the temperatures at night in San Antonio in October?
In October, overnight lows reach 19.0°C, while afternoon highs average 29.0°C.
Is San Antonio good in winter?
In winter (December-February), San Antonio scores 7.1/10 on average — Decent period conditions for cultural visits.. The best month overall remains October with a score of 7.9/10.
When should you avoid San Antonio?
July is the most difficult month to visit San Antonio, with July has the lowest climate score of the year. Climate conditions are at their lowest of the year during this period.
Do you need sun protection in San Antonio in March?
The average UV index reaches 6 in March in San Antonio (high), with about 11.8h of daylight. Sunscreen and hat advised.