Boise vs Pasco: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 377 km apart · long-term climate normals (NASA POWER, 2001–2020)
Boise is the sunnier overall: about 2,989 hours of sunshine a year to Pasco's 2,745. Pasco has the higher Sunshine Score in 4 of 12 months; the other 8 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
| Boise | Pasco | |
|---|---|---|
| Sunshine hours / year | 2,989 | 2,745 |
| Sunniest month | September (94/100) | September (93/100) |
| Nov–Feb average score | 2/100 | 6/100 |
| Jun–Aug average score | 78/100 | 78/100 |
| Rain / year | 390 mm | 253 mm |
| Peak midday UV | 9 (very high) | 8 (very high) |
Boise vs Pasco month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Boise | Pasco | Boise | Pasco | Boise | Pasco | |
| January | 0 | 0 | 3° | 5° | 51 | 35 |
| February | 0 | 8 | 6° | 9° | 36 | 22 |
| March | 29 | 45 | 12° | 14° | 47 | 25 |
| April | 60 | 84 | 16° | 19° | 35 | 20 |
| May | 90 | 91 | 22° | 25° | 38 | 21 |
| June | 92 | 92 | 28° | 29° | 23 | 18 |
| July | 67 | 66 | 35° | 35° | 7 | 4 |
| August | 76 | 75 | 34° | 34° | 7 | 6 |
| September | 94 | 93 | 27° | 27° | 14 | 10 |
| October | 76 | 76 | 18° | 18° | 27 | 23 |
| November | 7 | 15 | 9° | 10° | 40 | 29 |
| December | 0 | 0 | 3° | 5° | 65 | 40 |
The sunnier month by month: Jan even · Feb Pasco · Mar Pasco · Apr Pasco · May even · Jun even · Jul even · Aug even · Sep even · Oct even · Nov Pasco · Dec even.
When to pick which
- November–February: Pasco (average score 6/100 vs 2). Pasco is the warmer, around 7°C daytime highs vs 5°C. See the winter sun ranking.
- March–May: Pasco (average score 73/100 vs 60). Pasco is the warmer, around 19°C daytime highs vs 17°C.
- June–August: too close to call — Boise averages 78/100, Pasco 78/100. Daytime highs are similar (32°C vs 33°C).
- September–October: too close to call — Boise averages 85/100, Pasco 85/100. Daytime highs are similar (23°C vs 23°C).
Full month-by-month guides: Boise weather by month · Pasco weather by month · Best time to visit United States.
More comparisons: Boise vs Redmond · Boise vs Idaho Falls · Pasco vs Seattle · Pasco vs Spokane · Pasco vs Redmond · all head-to-heads