Reno vs Santa Rosa: which is sunnier?
🇺🇸 United States vs 🇺🇸 United States · 285 km apart · long-term climate normals (NASA POWER, 2001–2020)
Reno is the sunnier overall: about 3,499 hours of sunshine a year to Santa Rosa's 3,311. Santa Rosa has the higher Sunshine Score in 8 of 12 months, Reno in 1 (3 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
.jpg)
At a glance
| Reno | Santa Rosa | |
|---|---|---|
| Sunshine hours / year | 3,499 | 3,311 |
| Sunniest month | August (99/100) | July (99/100) |
| Nov–Feb average score | 8/100 | 39/100 |
| Jun–Aug average score | 95/100 | 98/100 |
| Rain / year | 534 mm | 931 mm |
| Peak midday UV | 10 (very high) | 10 (very high) |
Reno vs Santa Rosa month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Reno | Santa Rosa | Reno | Santa Rosa | Reno | Santa Rosa | |
| January | 0 | 30 | 6° | 13° | 74 | 164 |
| February | 0 | 36 | 8° | 14° | 82 | 160 |
| March | 22 | 44 | 11° | 15° | 76 | 131 |
| April | 54 | 58 | 15° | 16° | 44 | 64 |
| May | 94 | 86 | 21° | 19° | 31 | 30 |
| June | 98 | 97 | 27° | 22° | 11 | 9 |
| July | 89 | 99 | 33° | 24° | 7 | 1 |
| August | 99 | 99 | 32° | 25° | 6 | 1 |
| September | 99 | 98 | 27° | 24° | 8 | 5 |
| October | 86 | 90 | 19° | 21° | 34 | 49 |
| November | 30 | 60 | 12° | 17° | 58 | 101 |
| December | 0 | 30 | 6° | 13° | 103 | 216 |
The sunnier month by month: Jan Santa Rosa · Feb Santa Rosa · Mar Santa Rosa · Apr Santa Rosa · May Reno · Jun even · Jul Santa Rosa · Aug even · Sep even · Oct Santa Rosa · Nov Santa Rosa · Dec Santa Rosa.
When to pick which
- November–February: Santa Rosa (average score 39/100 vs 8). Santa Rosa is the warmer, around 14°C daytime highs vs 8°C. See the winter sun ranking.
- March–May: Santa Rosa (average score 63/100 vs 57). Daytime highs are similar (16°C vs 17°C).
- June–August: Santa Rosa (average score 98/100 vs 95). Reno is the warmer, around 31°C daytime highs vs 24°C.
- September–October: too close to call — Reno averages 93/100, Santa Rosa 94/100. Daytime highs are similar (23°C vs 23°C).
Full month-by-month guides: Reno weather by month · Santa Rosa weather by month · Best time to visit United States.
More comparisons: Reno vs Sacramento · Reno vs Fresno · Santa Rosa vs San Francisco · Santa Rosa vs Sacramento · Santa Rosa vs Monterey · all head-to-heads