Hermosillo vs Ciudad Obregón: which is sunnier?
🇲🇽 Mexico vs 🇲🇽 Mexico · 224 km apart · long-term climate normals (NASA POWER, 2001–2020)
Hermosillo is the sunnier overall: about 3,844 hours of sunshine a year to Ciudad Obregón's 3,623. Ciudad Obregón 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
| Hermosillo | Ciudad Obregón | |
|---|---|---|
| Sunshine hours / year | 3,844 | 3,623 |
| Sunniest month | April (100/100) | April (100/100) |
| Nov–Feb average score | 98/100 | 98/100 |
| Jun–Aug average score | 36/100 | 49/100 |
| Rain / year | 383 mm | 393 mm |
| Peak midday UV | 11 (extreme) | 11 (extreme) |
Hermosillo vs Ciudad Obregón month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Hermosillo | Ciudad Obregón | Hermosillo | Ciudad Obregón | Hermosillo | Ciudad Obregón | |
| January | 97 | 98 | 23° | 25° | 16 | 13 |
| February | 98 | 98 | 25° | 26° | 13 | 12 |
| March | 98 | 99 | 29° | 29° | 9 | 6 |
| April | 100 | 100 | 32° | 32° | 2 | 2 |
| May | 70 | 70 | 35° | 35° | 1 | 1 |
| June | 20 | 39 | 40° | 38° | 12 | 17 |
| July | 40 | 49 | 37° | 36° | 110 | 102 |
| August | 49 | 58 | 36° | 35° | 99 | 96 |
| September | 51 | 57 | 36° | 35° | 80 | 99 |
| October | 88 | 86 | 33° | 33° | 14 | 26 |
| November | 97 | 98 | 28° | 29° | 15 | 11 |
| December | 98 | 99 | 23° | 25° | 12 | 8 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr even · May even · Jun Ciudad Obregón · Jul Ciudad Obregón · Aug Ciudad Obregón · Sep Ciudad Obregón · Oct even · Nov even · Dec even.
When to pick which
- November–February: too close to call — Hermosillo averages 98/100, Ciudad Obregón 98/100. Daytime highs are similar (25°C vs 26°C). See the winter sun ranking.
- March–May: too close to call — Hermosillo averages 89/100, Ciudad Obregón 90/100. Daytime highs are similar (32°C vs 32°C).
- June–August: Ciudad Obregón (average score 49/100 vs 36). Hermosillo is the warmer, around 38°C daytime highs vs 36°C.
- September–October: too close to call — Hermosillo averages 70/100, Ciudad Obregón 72/100. Daytime highs are similar (35°C vs 34°C).
Full month-by-month guides: Hermosillo weather by month · Ciudad Obregón weather by month · Best time to visit Mexico.
More comparisons: Hermosillo vs Tucson · Hermosillo vs Los Mochis · Ciudad Obregón vs Chihuahua · Ciudad Obregón vs Los Mochis · Ciudad Obregón vs La Paz · all head-to-heads