What kind of destination is Philadelphia?

Philadelphia is a major city break in United States with a humid subtropical climate.

How many hours of sunshine does Philadelphia get a year?

Philadelphia gets about 2,267 hours of sunshine a year, at its best around May.

What is the least sunny month in Philadelphia?

January is the least sunny month in Philadelphia, scoring 0/100 with about 78 mm of rain.

How strong is the sun in Philadelphia?

The typical midday UV index in Philadelphia peaks around 7 (high) in June, easing to about 1 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.

Philadelphia weather by month & the best time to visit

Name: Philadelphia
Address: US

🇺🇸 United States · major city break · humid subtropical climate

The best time to visit Philadelphia is May — its sunniest month (Sunshine Score 74/100), with September and June close behind. Philadelphia averages about 2,267 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 96 mm of rain in May.

Jump to: month-by-month table · nearby alternatives · embed this data

Sun hours / year: 2,267
Sunniest month: May
Peak score: 74/100
Rain / year: 1,228 mm
Snow / year: ≈1.1 m
Midday UV at peak: 7 (high)
Population: 5.5M
Elevation: Sea level

When is the best time to visit Philadelphia?

For sunshine, the best time to visit Philadelphia is May, then September and June. The dullest month is January (0/100, 78 mm of rain). The full month-by-month picture is in the table below.

How sunny is Philadelphia?

Philadelphia gets a moderate 2,267 hours of sunshine a year. 74 Sunshine Score points separate May (74) from January (0), so the month you pick matters. It ranks #294 of 580 destinations in United States for annual sunshine, below the national median of 2,279 hours. The year's 1,228 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Month	Score	Day high	Night low	Rain	UV
January	0	4° / 39°F	-5° / 23°F	78 mm	1
February	0	5° / 41°F	-4° / 25°F	78 mm	2
March	12	10° / 50°F	-1° / 30°F	100 mm	4
April	56	17° / 63°F	5° / 41°F	97 mm	5
May	74	22° / 72°F	11° / 52°F	96 mm	6
June	70	27° / 81°F	17° / 63°F	121 mm	7
July	69	30° / 86°F	20° / 68°F	124 mm	7
August	70	30° / 86°F	19° / 66°F	121 mm	7
September	73	26° / 79°F	15° / 59°F	102 mm	5
October	66	19° / 66°F	8° / 46°F	110 mm	4
November	31	13° / 55°F	2° / 36°F	90 mm	2
December	0	7° / 45°F	-2° / 28°F	111 mm	1

See Philadelphia on the interactive sunshine globe →

Nearby places for sunshine

Trenton United States · 58 km · best in May · 2,166 h sun/yr
Atlantic City United States · 73 km · best in Sep · 2,260 h sun/yr
Allentown/Bethlehem United States · 88 km · best in May · 2,074 h sun/yr
Harrisburg United States · 134 km · best in May · 2,080 h sun/yr
Baltimore United States · 145 km · best in Oct · 2,241 h sun/yr
New York United States · 151 km · best in Sep · 2,252 h sun/yr

Nearest destinations

Dover United States · 85 km · 2,266 h sun/yr · best in May
Lancaster United States · 94 km · 2,080 h sun/yr · best in May

Head-to-head

How Philadelphia compares month by month: Philadelphia vs Baltimore · Philadelphia vs Allentown/Bethlehem · Philadelphia vs Trenton · Philadelphia vs Harrisburg · all comparisons

Put the Philadelphia sunshine badge on your site

A compact badge showing Philadelphia's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:

<iframe src="https://thesunshinemap.com/embed/d/philadelphia-phl/" title="Sunshine in Philadelphia — Sunshine Map" style="width:100%;max-width:340px;height:208px;border:0" loading="lazy"></iframe>
<p>Sunshine data for Philadelphia from <a href="https://thesunshinemap.com/destinations/philadelphia-phl/">Sunshine Map</a></p>

Live preview — this is exactly what your readers see: