Las Vegas vs Boulder City: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 30 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 Las Vegas's 3,742. Boulder City has the higher Sunshine Score in 1 of 12 months; the other 11 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
| Las Vegas | Boulder City | |
|---|---|---|
| Sunshine hours / year | 3,742 | 3,837 |
| Sunniest month | April (99/100) | April (99/100) |
| Nov–Feb average score | 65/100 | 65/100 |
| Jun–Aug average score | 13/100 | 16/100 |
| Rain / year | 147 mm | 147 mm |
| Peak midday UV | 10 (very high) | 10 (very high) |
Las Vegas vs Boulder City month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Las Vegas | Boulder City | Las Vegas | Boulder City | Las Vegas | Boulder City | |
| January | 48 | 48 | 14° | 14° | 18 | 18 |
| February | 72 | 72 | 17° | 17° | 23 | 23 |
| March | 98 | 98 | 22° | 22° | 12 | 12 |
| April | 99 | 99 | 27° | 27° | 8 | 8 |
| May | 90 | 90 | 33° | 33° | 3 | 3 |
| June | 20 | 30 | 40° | 39° | 1 | 1 |
| July | 0 | 0 | 42° | 42° | 15 | 15 |
| August | 19 | 19 | 40° | 40° | 15 | 15 |
| September | 59 | 59 | 36° | 36° | 9 | 9 |
| October | 98 | 98 | 28° | 28° | 13 | 13 |
| November | 98 | 98 | 20° | 20° | 12 | 12 |
| December | 40 | 40 | 13° | 13° | 18 | 18 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun Boulder City · Jul even · Aug even · Sep even · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Las Vegas averages 65/100, Boulder City 65/100. Daytime highs are similar (16°C vs 16°C). See the winter sun ranking.
- March–May: too close to call — Las Vegas averages 96/100, Boulder City 96/100. Daytime highs are similar (27°C vs 27°C).
- June–August: Boulder City (average score 16/100 vs 13). Daytime highs are similar (41°C vs 40°C).
- September–October: too close to call — Las Vegas averages 79/100, Boulder City 79/100. Daytime highs are similar (32°C vs 32°C).
Full month-by-month guides: Las Vegas weather by month · Boulder City weather by month · Best time to visit United States.
More comparisons: Las Vegas vs Grand Canyon - Tusayan · Las Vegas vs Palm Springs · Boulder City vs Grand Canyon - Tusayan · Boulder City vs Palm Springs · all head-to-heads