San Antonio Temperature Blanket 2025
San Antonio’s 2025, drawn as a blanket: one row for every day, colored by the daily average temperature. The numbers below come from NOAA readings at San Antonio Stinson Municipal Airport.
January at the top, December at the bottom. 8 even bands, rainbow palette.
The year in San Antonio
The warmest reading was a high of 104°F on May 13, and the coldest a low of 20°F on January 22. The average of the daily averages was 74°F. The low reached freezing or below on 10 days, and the high hit 90°F or more on 179 days.
With eight even bands, the color that covers the most days is dark red (84 to 91°F) at 112 days. The biggest one-day jump in the average was 20.5°F, on February 19. The station reported both a high and a low on 99.5% of days; the rest are estimated from neighboring days.
Colors, days and yarn
Average temperature bands for San Antonio 2025. Yarn is for a 50-inch single crochet blanket, one row a day, in worsted weight: about 4,567 yards in all.
| Color | Range °F | Days | Share | Yards | Skeins |
|---|---|---|---|---|---|
dark purple #5b2a86 | 31 to 39 | 6 | 1.6% | 75 | 1 |
blue #2f5bd3 | 39 to 46 | 12 | 3.3% | 150 | 1 |
aqua #2aa7d6 | 46 to 54 | 22 | 6.0% | 275 | 2 |
green #3aa655 | 54 to 61 | 30 | 8.2% | 375 | 2 |
yellow #f2d23c | 61 to 69 | 40 | 11.0% | 501 | 3 |
orange #f08a24 | 69 to 76 | 49 | 13.4% | 613 | 4 |
red #d6322b | 76 to 84 | 94 | 25.8% | 1,176 | 6 |
dark red #8f1b2c | 84 to 91 | 112 | 30.7% | 1,401 | 8 |
Skeins use 200 yards each, rounded up. Estimates only: swatch first.
Month by month
Average, lowest and highest daily average for each month, and the color that appears most.
| Month | Average °F | Lowest | Highest | Most common color |
|---|---|---|---|---|
| January | 50 | 31 | 68.5 | blue |
| February | 58 | 31 | 78.5 | green |
| March | 70 | 57 | 81.5 | orange |
| April | 76 | 55.5 | 85 | red |
| May | 82 | 73 | 91 | red |
| June | 85 | 75.5 | 88.5 | dark red |
| July | 86 | 79.5 | 90 | dark red |
| August | 88 | 84.5 | 91 | dark red |
| September | 84 | 76 | 90 | red |
| October | 78 | 57 | 85 | red |
| November | 69 | 54 | 80 | yellow |
| December | 60 | 46.5 | 74.5 | aqua |
Make your own San Antonio blanket
This chart uses one setup. In the planner you can switch to highs or lows, balance the days, change the palette, set your gauge and choose another year. San Antonio Stinson Municipal Airport (USW00012970) is 9 km from the center of San Antonio.
Everything on this page is free in the planner. The free planner covers any city and year, up to 8 color bands, the preview, counts and a daily table. The Planner Pack ($3.99, one-time) adds the printable chart, checklist and yarn list. See pricing.
Questions
How cold did San Antonio get in 2025?
The lowest reading was 20°F on January 22 at San Antonio Stinson Municipal Airport, and the low was at or below freezing on 10 days.
How many colors does a San Antonio temperature blanket need?
This chart uses 8 even bands from 31°F to 91°F. You can use fewer or more in the planner.
Which weather station is used for San Antonio?
San Antonio Stinson Municipal Airport (USW00012970), 9 km from the center of the city. Data is from NOAA NCEI daily summaries.
Is the planner free?
Yes. Any US city and year, the on-screen preview, up to 8 color bands, the color and yarn counts, the daily table and a picture download (with a small “Made free” line) cost nothing. The Planner Pack ($3.99, one-time) adds the printable PDF chart, a daily checklist, a yarn shopping list and more.