Boston vs Manchester: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 72 km apart · long-term climate normals (NASA POWER, 2001–2020)
Boston and Manchester are virtually tied for annual sunshine — about 2,157 vs 2,158 hours a year. Boston 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.
At a glance
| Boston | Manchester | |
|---|---|---|
| Sunshine hours / year | 2,157 | 2,158 |
| Sunniest month | July (74/100) | September (75/100) |
| Nov–Feb average score | 3/100 | 2/100 |
| Jun–Aug average score | 73/100 | 73/100 |
| Rain / year | 1,207 mm | 1,180 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Boston vs Manchester month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Boston | Manchester | Boston | Manchester | Boston | Manchester | |
| January | 0 | 0 | 1° | -1° | 80 | 73 |
| February | 0 | 0 | 2° | 1° | 86 | 83 |
| March | 0 | 0 | 6° | 5° | 110 | 99 |
| April | 30 | 30 | 13° | 13° | 107 | 102 |
| May | 68 | 67 | 19° | 19° | 95 | 98 |
| June | 71 | 70 | 24° | 24° | 113 | 115 |
| July | 74 | 74 | 28° | 27° | 94 | 97 |
| August | 74 | 74 | 28° | 27° | 93 | 95 |
| September | 74 | 75 | 24° | 23° | 92 | 90 |
| October | 52 | 46 | 17° | 16° | 123 | 123 |
| November | 12 | 6 | 10° | 9° | 98 | 94 |
| December | 0 | 0 | 4° | 3° | 116 | 111 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun even · Jul even · Aug even · Sep even · Oct Boston · Nov Boston · Dec even.
When to pick which
- November–February: too close to call — Boston averages 3/100, Manchester 2/100. Daytime highs are similar (4°C vs 3°C). See the winter sun ranking.
- March–May: too close to call — Boston averages 33/100, Manchester 32/100. Daytime highs are similar (13°C vs 12°C).
- June–August: too close to call — Boston averages 73/100, Manchester 73/100. Daytime highs are similar (27°C vs 26°C).
- September–October: too close to call — Boston averages 63/100, Manchester 61/100. Daytime highs are similar (21°C vs 20°C).
Full month-by-month guides: Boston weather by month · Manchester weather by month · Best time to visit United States.
More comparisons: Boston vs Providence/Warwick · Boston vs Portland · Boston vs Martha's Vineyard · Manchester vs Providence/Warwick · Manchester vs Portland · Manchester vs Bangor · all head-to-heads