The best times to visit San Antonio for ideal weather are
January 22nd to April 15th
November 19th to December 23rd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
San Antonio Travel Guide
Other San Antonio Travel Info
Weather in San Antonio
Average temperatures in San Antonio vary very little. Considering humidity, temperatures feel hot all year with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 15th percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit San Antonio, the hottest months are April, May, and then March. See average monthly temperatures below. The warmest time of year is generally mid May where highs are regularly around 94.9°F (34.9°C) with temperatures rarely dropping below 76.1°F (24.5°C) at night.
San Antonio Temperatures (Fahrenheit)
San Antonio Temperatures (Celsius)
The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.
San Antonio Perceived Temperature (F)
San Antonio Perceived Temperature (C)
Average San Antonio Temperatures by Month
Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in San Antonio are March, February, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early April. For example, on the week of April 2nd there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in late August to early September with an average of 5 days of significant precipitation the week of August 27th.
When can you find snow in San Antonio? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.
Chance of Precipitation
The graph below shows the % chance of rainy and snowy days in San Antonio.
Snow on the Ground
The graph below shows the average snow on the ground in San Antonio (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
San Antonio has some very humid months, with other comfortably humid months. The least humid month is March (57.5% relative humidity), and the most humid month is August (77.7%).
Wind in San Antonio is usually calm. The windiest month is January, followed by March and February. January’s average wind speed of around 7.2 knots (8.3 MPH or 13.4 KPH) is considered “a gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid June where average top sustained speeds reach 15.5 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in San Antonio.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||7.2||Gentle breeze||13.8||Significant breeze|
|Feb||6.8||Light breeze||13.3||Significant breeze|
|Mar||7.2||Gentle breeze||13.8||Significant breeze|
|Apr||6.4||Light breeze||12.6||Significant breeze|
|May||5.5||Light breeze||11.9||Significant breeze|
|Jun||5.9||Light breeze||12.9||Significant breeze|
|Jul||5.8||Light breeze||12.9||Significant breeze|
|Aug||6.4||Light breeze||13.6||Significant breeze|
|Sep||5.3||Light breeze||12.5||Significant breeze|
|Oct||5.5||Light breeze||11.8||Significant breeze|
|Nov||6.1||Light breeze||12.7||Significant breeze|
|Dec||6.7||Light breeze||13.3||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to San Antonio?
Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for the Philippines; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 20, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in San Antonio, the Philippines is November, followed by December and June. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit San Antonio in August. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
Overall San Antonio Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 94.9°F (34.9°C) and 90.4°F (32.4°C) with similar temperatures in the later months. Rain is rare with 2 to 7 days of significant precipitation per month. Spring is fairly slow for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 15 to 17 days of precipitation per month. June – August is the slowest season for tourism in San Antonio, so lodging and other accommodations may cost less than usual.
Fall (September through November)
Fall daily highs range from 90.6°F (32.6°C) and 88.1°F (31.2°C), which will feel very nice given the humidity and wind. It rains or snows a good amount: 5 to 17 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.
Winter (December through February)
Weather is perfect this time of year in San Antonio to be enjoyable for warm weather travelers. The average high during this season is between 92.4°F (33.6°C) and 88°F (31.1°C). On average, it rains or snows a smalll amount: 2 to 4 times per month. These times of year are the second busiest with tourists.