Weekly note
Philadelphia
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Photo by King of Hearts, CC BY-SA 3.0, via Wikimedia Commons.

The numbers

Daily high5°C
Nightly low-3°C
Feels like, afternoon1°C
Rainy days, 1 mm or more8 · 84 mm
Humidity66%
Sunshine6.1 h/day
Daylight9.7 h/day
Crowds80 / 100, higher is quieter

Ten-year averages for this calendar month. A rainy day is one with at least 1 mm of rain, as a weather station counts it. The model these figures come from drizzles more than a rain gauge, the more so the warmer the month, so its days count from 2 mm, rising to 5 mm in the hottest.

Weather read at Center City, 11 km from the airport (PHL): ten years of ERA5 and ERA5-Land reanalysis, through Open-Meteo's open data.

How busy it gets

January: quieter than usual. Busiest in June; quietest in December.

Public holidays in January

Holidays crowd a place out and push fares up around them; they count toward the crowd score above.

Philadelphia in pictures

What to pack

  • A proper coat, hat and gloves: nights average -3°C.
  • A packable rain jacket for the 8 or so rainy days.

Each line is a threshold over the ten-year figures above, not advice from anywhere else.

Before you go

Type A and B plugs at 120 V. Drives on the right. The currency is the United states dollar. No UK Foreign Office advice against travel. Everything for United States: cost of living, languages, emergency numbers and health.

On arrival in Philadelphia: the apps, paying, getting around, tipping and the emergency numbers.

January elsewhere

In January from

The other months at Philadelphia

← December · All twelve months at Philadelphia · February →

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