What’s the climate like in San Antonio?
The current climate of San Antonio features average monthly temperatures ranging from highs of 32°C during the day to lows of 29°C. The average yearly temperature is around 31°C. At night, temperatures in the colder months average around 23°C and in the warmer months around 26°C.
The highest temperature recorded in San Antonio in recent years was 35°C in October 2015. The lowest daytime temperature recorded was 23°C in February 2022.
On average, San Antonio receives 1488 mm of precipitation each year. For comparison, London gets 701 mm of precipitation annually.
The hurricane season in San Antonio runs from June to November.
Best time to visit San Antonio?
The best time to visit San Antonio for sunny weather is January through June and December. During this period, you'll have good temperatures and not too much rain, making it a great time to visit San Antonio. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of San Antonio
The climate table of San Antonio shows the average temperatures, precipitation, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 29 | 29 | 29 | 30 | 31 | 32 | 32 | 32 | 32 | 32 | 31 | 30 |
| Temp. min (°C) | 24 | 24 | 24 | 24 | 25 | 26 | 27 | 27 | 26 | 26 | 25 | 24 |
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| Precipitation (mm) | 89 | 105 | 66 | 98 | 98 | 83 | 137 | 142 | 231 | 130 | 198 | 111 |
| UV Index | 7 | 8 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 8 | 7 | 7 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 31°C
- Highest temperature: 32°C in June, July, August, September and October
- Lowest temperature: 29°C in January, February and March
- Precipitation: 1488 mm per year, averaging 124 mm per month
- Driest months: 66 mm in March, 83 mm in June and 89 mm in January
- Wettest months: 231 mm in September, 198 mm in November and 142 mm in August
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Table of Contents
Average Temperature per Month in San Antonio
This graph shows the average maximum temperatures per month in San Antonio, Puerto Rico. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in San Antonio
This graph shows how much precipitation San Antonio, Puerto Rico, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average UV Index per Month in San Antonio
This graph shows the average UV index per month in San Antonio, Puerto Rico. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in San Antonio
This graph shows the average yearly temperature in San Antonio, Puerto Rico. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in San Antonio
This chart shows the total yearly precipitation in San Antonio, Puerto Rico, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Weather experiences in San Antonio
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Average Weather in San Antonio by Month
Click on a month below to see detailed weather info for San Antonio. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
