Baltimore vs Harrisburg: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 113 km apart · long-term climate normals (NASA POWER, 2001–2020)
Baltimore is the sunnier overall: about 2,241 hours of sunshine a year to Harrisburg's 2,080. Baltimore has the higher Sunshine Score in 5 of 12 months; the other 7 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Baltimore | Harrisburg | |
|---|---|---|
| Sunshine hours / year | 2,241 | 2,080 |
| Sunniest month | October (73/100) | May (72/100) |
| Nov–Feb average score | 8/100 | 6/100 |
| Jun–Aug average score | 71/100 | 71/100 |
| Rain / year | 1,152 mm | 1,166 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Baltimore vs Harrisburg month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Baltimore | Harrisburg | Baltimore | Harrisburg | Baltimore | Harrisburg | |
| January | 0 | 0 | 4° | 3° | 67 | 71 |
| February | 0 | 0 | 6° | 4° | 70 | 71 |
| March | 19 | 13 | 11° | 10° | 84 | 84 |
| April | 63 | 55 | 18° | 17° | 92 | 96 |
| May | 72 | 72 | 23° | 23° | 109 | 105 |
| June | 70 | 70 | 28° | 28° | 118 | 116 |
| July | 71 | 70 | 31° | 31° | 116 | 115 |
| August | 72 | 72 | 30° | 30° | 109 | 105 |
| September | 72 | 69 | 27° | 26° | 107 | 119 |
| October | 73 | 65 | 20° | 19° | 105 | 111 |
| November | 32 | 25 | 13° | 12° | 80 | 79 |
| December | 0 | 0 | 7° | 5° | 95 | 94 |
The sunnier month by month: Jan even · Feb even · Mar Baltimore · Apr Baltimore · May even · Jun even · Jul even · Aug even · Sep Baltimore · Oct Baltimore · Nov Baltimore · Dec even.
When to pick which
- November–February: too close to call — Baltimore averages 8/100, Harrisburg 6/100. Baltimore is the warmer, around 8°C daytime highs vs 6°C. See the winter sun ranking.
- March–May: Baltimore (average score 51/100 vs 47). Daytime highs are similar (17°C vs 17°C).
- June–August: too close to call — Baltimore averages 71/100, Harrisburg 71/100. Daytime highs are similar (30°C vs 30°C).
- September–October: Baltimore (average score 73/100 vs 67). Daytime highs are similar (24°C vs 23°C).
Full month-by-month guides: Baltimore weather by month · Harrisburg weather by month · Best time to visit United States.
More comparisons: Baltimore vs Philadelphia · Baltimore vs Washington · Harrisburg vs Philadelphia · Harrisburg vs Washington · Harrisburg vs Allentown/Bethlehem · all head-to-heads