Philadelphia vs Atlantic City: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 73 km apart · long-term climate normals (NASA POWER, 2001–2020)
Philadelphia and Atlantic City are virtually tied for annual sunshine — about 2,267 vs 2,260 hours a year. Month by month it's balanced: each has the higher Sunshine Score in 3 months, with 6 within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
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At a glance
| Philadelphia | Atlantic City | |
|---|---|---|
| Sunshine hours / year | 2,267 | 2,260 |
| Sunniest month | May (74/100) | September (76/100) |
| Nov–Feb average score | 8/100 | 8/100 |
| Jun–Aug average score | 70/100 | 72/100 |
| Rain / year | 1,228 mm | 1,205 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Philadelphia vs Atlantic City month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Philadelphia | Atlantic City | Philadelphia | Atlantic City | Philadelphia | Atlantic City | |
| January | 0 | 0 | 4° | 5° | 78 | 81 |
| February | 0 | 0 | 5° | 5° | 78 | 85 |
| March | 12 | 6 | 10° | 9° | 100 | 105 |
| April | 56 | 37 | 17° | 14° | 97 | 94 |
| May | 74 | 69 | 22° | 19° | 96 | 89 |
| June | 70 | 73 | 27° | 24° | 121 | 106 |
| July | 69 | 72 | 30° | 27° | 124 | 111 |
| August | 70 | 72 | 30° | 27° | 121 | 109 |
| September | 73 | 76 | 26° | 24° | 102 | 90 |
| October | 66 | 65 | 19° | 19° | 110 | 117 |
| November | 31 | 31 | 13° | 13° | 90 | 99 |
| December | 0 | 0 | 7° | 8° | 111 | 119 |
The sunnier month by month: Jan even · Feb even · Mar Philadelphia · Apr Philadelphia · May Philadelphia · Jun Atlantic City · Jul Atlantic City · Aug even · Sep Atlantic City · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Philadelphia averages 8/100, Atlantic City 8/100. Daytime highs are similar (7°C vs 8°C). See the winter sun ranking.
- March–May: Philadelphia (average score 47/100 vs 37). Philadelphia is the warmer, around 16°C daytime highs vs 14°C.
- June–August: too close to call — Philadelphia averages 70/100, Atlantic City 72/100. Philadelphia is the warmer, around 29°C daytime highs vs 26°C.
- September–October: too close to call — Philadelphia averages 70/100, Atlantic City 71/100. Daytime highs are similar (23°C vs 22°C).
Full month-by-month guides: Philadelphia weather by month · Atlantic City weather by month · Best time to visit United States.
More comparisons: Philadelphia vs Baltimore · Philadelphia vs Allentown/Bethlehem · Philadelphia vs Trenton · Atlantic City vs New York · Atlantic City vs Trenton · all head-to-heads