Chiclayo vs Tumbes: which is sunnier?
🇵🇪 Peru vs 🇵🇪 Peru · 365 km apart · long-term climate normals (NASA POWER, 2001–2020)
Chiclayo is the sunnier overall: about 2,389 hours of sunshine a year to Tumbes's 2,148. Chiclayo has the higher Sunshine Score in 8 of 12 months, Tumbes in 1 (3 within 2 points).
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Chiclayo | Tumbes | |
|---|---|---|
| Sunshine hours / year | 2,389 | 2,148 |
| Sunniest month | June (93/100) | August (91/100) |
| Nov–Feb average score | 92/100 | 84/100 |
| Jun–Aug average score | 93/100 | 90/100 |
| Rain / year | 82 mm | 384 mm |
| Warmest sea | 27°C / 81°F | 30°C / 86°F |
| Peak midday UV | 10 (very high) | 11 (extreme) |
Chiclayo vs Tumbes month by month
| Month | Sunshine Score | Day high °C | Rain mm | Sea °C | ||||
|---|---|---|---|---|---|---|---|---|
| Chiclayo | Tumbes | Chiclayo | Tumbes | Chiclayo | Tumbes | Chiclayo | Tumbes | |
| January | 91 | 83 | 24° | 28° | 8 | 45 | 24° | 29° |
| February | 91 | 74 | 25° | 28° | 12 | 93 | 27° | 30° |
| March | 88 | 68 | 25° | 28° | 27 | 126 | 25° | 30° |
| April | 91 | 82 | 23° | 28° | 8 | 51 | 22° | 29° |
| May | 92 | 87 | 22° | 28° | 4 | 23 | 20° | 29° |
| June | 93 | 90 | 21° | 28° | 1 | 8 | 19° | 27° |
| July | 93 | 90 | 20° | 27° | 1 | 5 | 19° | 27° |
| August | 93 | 91 | 20° | 27° | 1 | 3 | 18° | 26° |
| September | 85 | 91 | 19° | 27° | 2 | 3 | 18° | 26° |
| October | 92 | 90 | 20° | 26° | 6 | 5 | 19° | 26° |
| November | 92 | 90 | 21° | 26° | 6 | 7 | 20° | 26° |
| December | 92 | 89 | 22° | 27° | 6 | 15 | 21° | 28° |
The sunnier month by month: Jan Chiclayo · Feb Chiclayo · Mar Chiclayo · Apr Chiclayo · May Chiclayo · Jun Chiclayo · Jul Chiclayo · Aug even · Sep Tumbes · Oct even · Nov even · Dec Chiclayo.
When to pick which
- November–February: Chiclayo (average score 92/100 vs 84). Tumbes is the warmer, around 27°C daytime highs vs 23°C.
- March–May: Chiclayo (average score 90/100 vs 79). Tumbes is the warmer, around 28°C daytime highs vs 23°C.
- June–August: Chiclayo (average score 93/100 vs 90). Tumbes is the warmer, around 27°C daytime highs vs 20°C.
- September–October: too close to call — Chiclayo averages 89/100, Tumbes 91/100. Tumbes is the warmer, around 27°C daytime highs vs 20°C.
Sea temperature
Tumbes's sea gets warmer: 30°C / 86°F at its peak vs 27°C. Swimmable water (21°C+): Chiclayo about 5 months a year, Tumbes all year. Month-by-month sea temperatures are in the table above.
Full month-by-month guides: Chiclayo weather by month · Tumbes weather by month · Best time to visit Peru.
More comparisons: Chiclayo vs Trujillo · Chiclayo vs Piura · Chiclayo vs Cajamarca · Tumbes vs Quito · Tumbes vs Guayaquil · Tumbes vs Piura · all head-to-heads