What’s the climate like in San Antonio?
The current climate of San Antonio features average monthly temperatures ranging from highs of 27°C during the day to lows of 0°C. The average yearly temperature is around 15°C. At night, temperatures in the colder months average around -16°C and in the warmer months around 10°C.
The highest temperature recorded in San Antonio in recent years was 34°C in June 2015. The lowest daytime temperature recorded was -15°C in January 2017.
On average, San Antonio gets 364 mm of precipitation each year. Of this, about 161 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit San Antonio?
The best time to visit San Antonio for sunny weather is May through September. 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, snow, 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) | 0 | 4 | 11 | 15 | 19 | 26 | 27 | 26 | 23 | 17 | 9 | 3 |
| Temp. min (°C) | -15 | -11 | -5 | -2 | 2 | 7 | 10 | 9 | 5 | -2 | -8 | -14 |
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| Precipitation (mm) | 22 | 21 | 24 | 25 | 45 | 35 | 55 | 41 | 38 | 23 | 25 | 9,7 |
| Snow (cm) | 45 | 38 | 16 | 11 | 8,2 | 0 | 0 | 0 | 2,3 | 3,8 | 24 | 12 |
| UV Index | 5 | 6 | 8 | 9 | 8 | 9 | 9 | 8 | 7 | 6 | 5 | 5 |
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: 15°C
- Highest temperature: 27°C in July
- Lowest temperature: 0°C in January
- Precipitation*: 364 mm per year, averaging 30 mm per month
- Snowfall: 161 cm per year
- Driest months: 9,7 mm in December, 21 mm in February and 22 mm in January
- Wettest months: 55 mm in July, 45 mm in May and 41 mm in August
*Precipitation is measured as a combination of rain, snow, and hail
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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, Colorado. 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, Colorado, 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 Snowfall per Month in San Antonio
This graph shows how much snow San Antonio, Colorado, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall 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, Colorado. 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, Colorado. 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, Colorado, 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.
Total Yearly Snowfall in San Antonio
This chart shows the total yearly snowfall in San Antonio, Colorado, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow 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.
