Grand Canyon - Tusayan vs Boulder City: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 244 km apart · long-term climate normals (NASA POWER, 2001–2020)
Boulder City is the sunnier overall: about 3,837 hours of sunshine a year to Grand Canyon - Tusayan's 3,647. Boulder City has the higher Sunshine Score in 7 of 12 months, Grand Canyon - Tusayan in 5.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Grand Canyon - Tusayan | Boulder City | |
|---|---|---|
| Sunshine hours / year | 3,647 | 3,837 |
| Sunniest month | June (99/100) | April (99/100) |
| Nov–Feb average score | 6/100 | 65/100 |
| Jun–Aug average score | 94/100 | 16/100 |
| Rain / year | 314 mm | 147 mm |
| Peak midday UV | 11 (extreme) | 10 (very high) |
Grand Canyon - Tusayan vs Boulder City month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Grand Canyon - Tusayan | Boulder City | Grand Canyon - Tusayan | Boulder City | Grand Canyon - Tusayan | Boulder City | |
| January | 0 | 48 | 5° | 14° | 31 | 18 |
| February | 0 | 72 | 7° | 17° | 28 | 23 |
| March | 40 | 98 | 13° | 22° | 21 | 12 |
| April | 73 | 99 | 17° | 27° | 15 | 8 |
| May | 98 | 90 | 23° | 33° | 13 | 3 |
| June | 99 | 30 | 30° | 39° | 7 | 1 |
| July | 92 | 0 | 31° | 42° | 45 | 15 |
| August | 91 | 19 | 29° | 40° | 50 | 15 |
| September | 95 | 59 | 26° | 36° | 29 | 9 |
| October | 79 | 98 | 18° | 28° | 26 | 13 |
| November | 24 | 98 | 11° | 20° | 20 | 12 |
| December | 0 | 40 | 5° | 13° | 29 | 18 |
The sunnier month by month: Jan Boulder City · Feb Boulder City · Mar Boulder City · Apr Boulder City · May Grand Canyon - Tusayan · Jun Grand Canyon - Tusayan · Jul Grand Canyon - Tusayan · Aug Grand Canyon - Tusayan · Sep Grand Canyon - Tusayan · Oct Boulder City · Nov Boulder City · Dec Boulder City.
When to pick which
- November–February: Boulder City (average score 65/100 vs 6). Boulder City is the warmer, around 16°C daytime highs vs 7°C. See the winter sun ranking.
- March–May: Boulder City (average score 96/100 vs 70). Boulder City is the warmer, around 27°C daytime highs vs 18°C.
- June–August: Grand Canyon - Tusayan (average score 94/100 vs 16). Boulder City is the warmer, around 40°C daytime highs vs 30°C.
- September–October: Grand Canyon - Tusayan (average score 87/100 vs 79). Boulder City is the warmer, around 32°C daytime highs vs 22°C.
Full month-by-month guides: Grand Canyon - Tusayan weather by month · Boulder City weather by month · Best time to visit United States.
More comparisons: Grand Canyon - Tusayan vs Phoenix · Grand Canyon - Tusayan vs Las Vegas · Grand Canyon - Tusayan vs Mesa · Boulder City vs Las Vegas · Boulder City vs Palm Springs · all head-to-heads