San Luis Potosí vs Guanajuato: which is sunnier?
🇲🇽 Mexico vs 🇲🇽 Mexico · 152 km apart · long-term climate normals (NASA POWER, 2001–2020)
Guanajuato is the sunnier overall: about 3,389 hours of sunshine a year to San Luis Potosí's 3,165. San Luis Potosí has the higher Sunshine Score in 4 of 12 months, Guanajuato in 2 (6 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| San Luis Potosí | Guanajuato | |
|---|---|---|
| Sunshine hours / year | 3,165 | 3,389 |
| Sunniest month | December (97/100) | April (98/100) |
| Nov–Feb average score | 96/100 | 97/100 |
| Jun–Aug average score | 83/100 | 75/100 |
| Rain / year | 501 mm | 670 mm |
| Peak midday UV | 12 (extreme) | 13 (extreme) |
San Luis Potosí vs Guanajuato month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| San Luis Potosí | Guanajuato | San Luis Potosí | Guanajuato | San Luis Potosí | Guanajuato | |
| January | 96 | 97 | 20° | 22° | 12 | 10 |
| February | 95 | 96 | 23° | 24° | 17 | 16 |
| March | 95 | 97 | 26° | 27° | 16 | 12 |
| April | 95 | 98 | 29° | 31° | 13 | 5 |
| May | 90 | 93 | 30° | 31° | 43 | 32 |
| June | 84 | 78 | 27° | 29° | 77 | 117 |
| July | 81 | 72 | 26° | 27° | 93 | 165 |
| August | 85 | 74 | 26° | 27° | 70 | 136 |
| September | 80 | 77 | 24° | 26° | 96 | 119 |
| October | 91 | 92 | 23° | 25° | 40 | 39 |
| November | 95 | 97 | 21° | 23° | 17 | 13 |
| December | 97 | 98 | 20° | 22° | 7 | 6 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr Guanajuato · May Guanajuato · Jun San Luis Potosí · Jul San Luis Potosí · Aug San Luis Potosí · Sep San Luis Potosí · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — San Luis Potosí averages 96/100, Guanajuato 97/100. Guanajuato is the warmer, around 23°C daytime highs vs 21°C. See the winter sun ranking.
- March–May: Guanajuato (average score 96/100 vs 93). Guanajuato is the warmer, around 30°C daytime highs vs 28°C.
- June–August: San Luis Potosí (average score 83/100 vs 75). Guanajuato is the warmer, around 28°C daytime highs vs 26°C.
- September–October: too close to call — San Luis Potosí averages 86/100, Guanajuato 85/100. Guanajuato is the warmer, around 26°C daytime highs vs 24°C.
Full month-by-month guides: San Luis Potosí weather by month · Guanajuato weather by month · Best time to visit Mexico.
More comparisons: San Luis Potosí vs Aguascalientes · San Luis Potosí vs Zacatecas · San Luis Potosí vs Ciudad Madero · Guanajuato vs Guadalajara · Guanajuato vs Querétaro · Guanajuato vs Aguascalientes · all head-to-heads