Philadelphia vs Harrisburg: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 134 km apart · long-term climate normals (NASA POWER, 2001–2020)
Philadelphia is the sunnier overall: about 2,267 hours of sunshine a year to Harrisburg's 2,080. Philadelphia has the higher Sunshine Score in 2 of 12 months; the other 10 are 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 | Harrisburg | |
|---|---|---|
| Sunshine hours / year | 2,267 | 2,080 |
| Sunniest month | May (74/100) | May (72/100) |
| Nov–Feb average score | 8/100 | 6/100 |
| Jun–Aug average score | 70/100 | 71/100 |
| Rain / year | 1,228 mm | 1,166 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Philadelphia vs Harrisburg month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Philadelphia | Harrisburg | Philadelphia | Harrisburg | Philadelphia | Harrisburg | |
| January | 0 | 0 | 4° | 3° | 78 | 71 |
| February | 0 | 0 | 5° | 4° | 78 | 71 |
| March | 12 | 13 | 10° | 10° | 100 | 84 |
| April | 56 | 55 | 17° | 17° | 97 | 96 |
| May | 74 | 72 | 22° | 23° | 96 | 105 |
| June | 70 | 70 | 27° | 28° | 121 | 116 |
| July | 69 | 70 | 30° | 31° | 124 | 115 |
| August | 70 | 72 | 30° | 30° | 121 | 105 |
| September | 73 | 69 | 26° | 26° | 102 | 119 |
| October | 66 | 65 | 19° | 19° | 110 | 111 |
| November | 31 | 25 | 13° | 12° | 90 | 79 |
| December | 0 | 0 | 7° | 5° | 111 | 94 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep Philadelphia · Oct even · Nov Philadelphia · Dec even.
When to pick which
- November–February: too close to call — Philadelphia averages 8/100, Harrisburg 6/100. Daytime highs are similar (7°C vs 6°C). See the winter sun ranking.
- March–May: too close to call — Philadelphia averages 47/100, Harrisburg 47/100. Daytime highs are similar (16°C vs 17°C).
- June–August: too close to call — Philadelphia averages 70/100, Harrisburg 71/100. Daytime highs are similar (29°C vs 30°C).
- September–October: Philadelphia (average score 70/100 vs 67). Daytime highs are similar (23°C vs 23°C).
Full month-by-month guides: Philadelphia weather by month · Harrisburg weather by month · Best time to visit United States.
More comparisons: Philadelphia vs Baltimore · Philadelphia vs Allentown/Bethlehem · Philadelphia vs Trenton · Harrisburg vs Washington · Harrisburg vs Baltimore · Harrisburg vs Allentown/Bethlehem · all head-to-heads