Hartford vs New Haven: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 77 km apart · long-term climate normals (NASA POWER, 2001–2020)
Hartford and New Haven are virtually tied for annual sunshine — about 2,192 vs 2,191 hours a year. New Haven has the higher Sunshine Score in 3 of 12 months; the other 9 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
| Hartford | New Haven | |
|---|---|---|
| Sunshine hours / year | 2,192 | 2,191 |
| Sunniest month | May (75/100) | May (74/100) |
| Nov–Feb average score | 3/100 | 5/100 |
| Jun–Aug average score | 72/100 | 72/100 |
| Rain / year | 1,202 mm | 1,209 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Hartford vs New Haven month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Hartford | New Haven | Hartford | New Haven | Hartford | New Haven | |
| January | 0 | 0 | 1° | 2° | 76 | 76 |
| February | 0 | 0 | 2° | 3° | 82 | 81 |
| March | 0 | 0 | 7° | 8° | 96 | 97 |
| April | 36 | 42 | 14° | 15° | 103 | 105 |
| May | 75 | 74 | 21° | 21° | 93 | 95 |
| June | 70 | 70 | 25° | 26° | 117 | 118 |
| July | 73 | 73 | 29° | 30° | 103 | 101 |
| August | 73 | 72 | 29° | 29° | 103 | 109 |
| September | 72 | 72 | 25° | 25° | 106 | 106 |
| October | 52 | 58 | 17° | 18° | 123 | 121 |
| November | 13 | 19 | 10° | 11° | 90 | 89 |
| December | 0 | 0 | 4° | 5° | 110 | 111 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr New Haven · May even · Jun even · Jul even · Aug even · Sep even · Oct New Haven · Nov New Haven · Dec even.
When to pick which
- November–February: too close to call — Hartford averages 3/100, New Haven 5/100. Daytime highs are similar (4°C vs 5°C). See the winter sun ranking.
- March–May: too close to call — Hartford averages 37/100, New Haven 39/100. Daytime highs are similar (14°C vs 15°C).
- June–August: too close to call — Hartford averages 72/100, New Haven 72/100. Daytime highs are similar (28°C vs 28°C).
- September–October: New Haven (average score 65/100 vs 62). Daytime highs are similar (21°C vs 22°C).
Full month-by-month guides: Hartford weather by month · New Haven weather by month · Best time to visit United States.
More comparisons: Hartford vs Providence/Warwick · Hartford vs Albany · New Haven vs Albany · New Haven vs White Plains · New Haven vs Islip · all head-to-heads