Philadelphia Temperature Blanket 2025
Philadelphia’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 Philadelphia International Airport.
January at the top, December at the bottom. 8 even bands, rainbow palette.
The year in Philadelphia
The warmest reading was a high of 101°F on June 24, and the coldest a low of 10°F on January 21. The average of the daily averages was 57°F. The low reached freezing or below on 86 days, and the high hit 90°F or more on 37 days.
With eight even bands, the color that covers the most days is orange (62 to 72°F) at 72 days. The biggest one-day jump in the average was 19°F, on March 2. The station reported a high and a low on every day of the year.
Colors, days and yarn
Average temperature bands for Philadelphia 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 | 14 to 24 | 7 | 1.9% | 88 | 1 |
blue #2f5bd3 | 24 to 33 | 33 | 9.0% | 413 | 3 |
aqua #2aa7d6 | 33 to 43 | 51 | 14.0% | 638 | 4 |
green #3aa655 | 43 to 53 | 55 | 15.1% | 688 | 4 |
yellow #f2d23c | 53 to 62 | 51 | 14.0% | 638 | 4 |
orange #f08a24 | 62 to 72 | 72 | 19.7% | 901 | 5 |
red #d6322b | 72 to 81 | 61 | 16.7% | 763 | 4 |
dark red #8f1b2c | 81 to 91 | 35 | 9.6% | 438 | 3 |
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 | 30 | 14.5 | 44.5 | blue |
| February | 36 | 23 | 48 | aqua |
| March | 49 | 28.5 | 66 | green |
| April | 57 | 41.5 | 71.5 | orange |
| May | 65 | 53.5 | 74.5 | orange |
| June | 75 | 61.5 | 90.5 | red |
| July | 82 | 76.5 | 88.5 | dark red |
| August | 75 | 67 | 84.5 | red |
| September | 73 | 66.5 | 79.5 | red |
| October | 60 | 50.5 | 73 | yellow |
| November | 48 | 37.5 | 61 | green |
| December | 35 | 23.5 | 46 | aqua |
Make your own Philadelphia 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. Philadelphia International Airport (USW00013739) is 10 km from the center of Philadelphia.
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 Philadelphia get in 2025?
The lowest reading was 10°F on January 21 at Philadelphia International Airport, and the low was at or below freezing on 86 days.
How many colors does a Philadelphia temperature blanket need?
This chart uses 8 even bands from 14°F to 91°F. You can use fewer or more in the planner.
Which weather station is used for Philadelphia?
Philadelphia International Airport (USW00013739), 10 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.