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WeatherBug Data Says October 8 Is the Real Perfect Date (nerds.xyz) 35

BrianFagioli shares a report from NERDS.xyz: For years pop culture has treated April 25 as the "perfect date," thanks to the famous Miss Congeniality line about needing only a light jacket. But new analysis from WeatherBug suggests that idea does not actually hold up when you look at the numbers. After reviewing U.S. weather data from 2018 through today, the company concluded that October 8 delivers the most reliable combination of comfortable temperatures and low rainfall nationwide. According to the analysis, the average conditions on that day land around 66F with just 0.0573 inches of precipitation.

The study used population weighted weather data drawn from roughly 20 million daily WeatherBug users across the United States. When the company compared all days of the year, April 25 ranked only 80th, averaging about 60F and roughly 0.1297 inches of rain. The broader dataset also shows July dominating the hottest days of the year while January owns the coldest, with January 20 averaging just 33F nationally. While no single date guarantees perfect weather everywhere in a country as large as the U.S., the numbers suggest early October may quietly offer one of the most reliable windows for comfortable outdoor conditions.

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WeatherBug Data Says October 8 Is the Real Perfect Date

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  • That was the traditional day for Sports Day because it was supposed have the best weather. However recently it started moving around a bit so it's always the Monday of a three-day weekend...

    • by shanen ( 462549 )

      That was the traditional day for Sports Day because it was supposed have the best weather. However recently it started moving around a bit so it's always the Monday of a three-day weekend...

      Not really worth the requote against the attempted censorship, but I sort of (vaguely) wonder what the moderation pretense is. The reference to Monday?

  • OK (Score:4, Funny)

    by BadgerStork ( 7656678 ) on Tuesday April 14, 2026 @04:10AM (#66092936)

    but which day has the nicest weather indoors?

  • by devslash0 ( 4203435 ) on Tuesday April 14, 2026 @04:41AM (#66092948)

    "Iâ(TM)d have to say April 25th, because itâ(TM)s not too hot, not too cold. All you need is a light jacket,â

  • is ANZAC Day

    At the going down of the sun, and in the morning we will remember them

  • by msauve ( 701917 ) on Tuesday April 14, 2026 @05:44AM (#66092992)
    >weather data from 2018

    Less than 10 years of data? Why did this make it to /.?
    • >weather data from 2018 Less than 10 years of data? Why did this make it to /.?

      The entire concept of a perfect day stems from a fictional attention whore defining "perfect" as needing a light jacket.

      The entire idea is buried in fashion. Set your expectations appropriately.

    • by Himmy32 ( 650060 )
      Historical perfect weather days would be similarly interesting as well. Like, when would Archimedes have been most able to comfortably wear a stylish toga?
    • Less than 10 years of data? Why did this make it to /.?

      Well given that a significant portion of the audience here can't tell the difference between long term climate trend and it being cold outside today, 10 years of data may seem like an eternity to them.

      • by tlhIngan ( 30335 )

        Well given that a significant portion of the audience here can't tell the difference between long term climate trend and it being cold outside today, 10 years of data may seem like an eternity to them.

        Given we have a significant historical record, you could plot the "best day" per year and then actually see it move around, which would provide a lot more useful information - like has it always hung around October 8? Does it randomly jump around in Spring and Fall? What about perfect date by region and how th

  • Obviously that is location dependent, but early October still has warm days, nights are usually above freezing, and the skies are a clear deep blue that only seems to happen in the fall.

    Rainfall is pretty light if it happens at all, the cold nights have shut down the insects and birds are starting to head south. It is my favorite time of year.

  • What is this decimal garbage? Thatâ(TM)s 11/192th of an inch, thank you very much.
    • What is this decimal garbage? Thatâ(TM)s 11/192th of an inch, thank you very much.

      WTF? One Ninety Twooths?

      11/192nds

  • by tsqr ( 808554 )

    Are you saying that Miss Rhode Island got it wrong? Blasphemy!!

  • Everyone knows the perfect date is April 20th.

  • my new favourite day.
  • It's still muggy and 90+ degrees in early October in coastal Texas. Things don't usually get comfortable until November. With the influence of the ocean, there is a big seasonal delay past the solstice. It usually stays nice from November until April or even early May.

  • The only perfect date is June 28th. 6 and 28 are both perfect numbers. No other date is made up of two perfect numbers.
  • by A nonymous Coward ( 7548 ) on Tuesday April 14, 2026 @08:35PM (#66094158)

    Because OCT 31 == DEC 25.

    I have never been so disappointed. Slashdot is going to the dregs.

  • The broader dataset also shows July dominating the hottest days of the year while January owns the coldest..."

    "No shit Sherlock",
    Captain Obvious

    What an epiphany it must have been for them when they "discovered" Summer is hotter than Winter in the USA.

  • why my Special Operations Association reunion is usually scheduled in October. Of course, it's in Las Vegas, which might not help with the "good weather" part. Well, at least it probably won't be raining ... although hardly anything about the reunion is outdoors :-)

I've never been canoeing before, but I imagine there must be just a few simple heuristics you have to remember... Yes, don't fall out, and don't hit rocks.

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