Seattle vs Bellingham: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 150 km apart · long-term climate normals (NASA POWER, 2001–2020)
Bellingham is the sunnier overall: about 2,005 hours of sunshine a year to Seattle's 1,896. Seattle has the higher Sunshine Score in 3 of 12 months, Bellingham in 1 (8 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Seattle | Bellingham | |
|---|---|---|
| Sunshine hours / year | 1,896 | 2,005 |
| Sunniest month | July (86/100) | July (85/100) |
| Nov–Feb average score | 3/100 | 1/100 |
| Jun–Aug average score | 83/100 | 83/100 |
| Rain / year | 1,230 mm | 1,403 mm |
| Peak midday UV | 7 (high) | 7 (high) |
Seattle vs Bellingham month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Seattle | Bellingham | Seattle | Bellingham | Seattle | Bellingham | |
| January | 0 | 0 | 7° | 6° | 174 | 207 |
| February | 0 | 0 | 8° | 7° | 108 | 114 |
| March | 11 | 10 | 10° | 10° | 138 | 157 |
| April | 30 | 30 | 13° | 13° | 95 | 97 |
| May | 58 | 64 | 17° | 18° | 70 | 71 |
| June | 80 | 80 | 20° | 20° | 51 | 56 |
| July | 86 | 85 | 23° | 23° | 19 | 29 |
| August | 84 | 84 | 23° | 23° | 29 | 36 |
| September | 79 | 76 | 20° | 20° | 58 | 77 |
| October | 39 | 31 | 15° | 14° | 125 | 153 |
| November | 10 | 5 | 10° | 9° | 188 | 222 |
| December | 0 | 0 | 6° | 5° | 175 | 184 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May Bellingham · Jun even · Jul even · Aug even · Sep Seattle · Oct Seattle · Nov Seattle · Dec even.
When to pick which
- November–February: too close to call — Seattle averages 3/100, Bellingham 1/100. Daytime highs are similar (8°C vs 7°C). See the winter sun ranking.
- March–May: too close to call — Seattle averages 33/100, Bellingham 35/100. Daytime highs are similar (13°C vs 14°C).
- June–August: too close to call — Seattle averages 83/100, Bellingham 83/100. Daytime highs are similar (22°C vs 22°C).
- September–October: Seattle (average score 59/100 vs 54). Daytime highs are similar (18°C vs 17°C).
Full month-by-month guides: Seattle weather by month · Bellingham weather by month · Best time to visit United States.
More comparisons: Seattle vs Portland · Seattle vs Victoria · Seattle vs Abbotsford · Bellingham vs Vancouver · Bellingham vs Victoria · Bellingham vs Abbotsford · all head-to-heads