Tumbes weather by month & the best time to visit
Peru · beach resort · hot desert climate
The best time to visit Tumbes is August — its sunniest month (Sunshine Score 91/100), with September and June close behind. Tumbes averages about 2,148 hours of sunshine a year. Daytime highs around 27°C / 81°F and roughly 3 mm of rain in August.
When is the best time to visit Tumbes?
For sunshine, the best time to visit Tumbes is August, then September and June. The dullest month is March (68/100, 126 mm of rain). The full month-by-month picture is in the table below.
How sunny is Tumbes?
Tumbes gets a moderate 2,148 hours of sunshine a year. August (91/100) is noticeably better than March (68). It ranks #17 of 25 destinations in Peru for annual sunshine, below the national median of 2,286 hours. Rain is strongly seasonal here: roughly 70% of the year's 384 mm falls in the three months around March.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 83 | 28° / 82°F | 24° / 75°F | 45 mm | 10 | 29° / 84°F |
| February | 74 | 28° / 82°F | 24° / 75°F | 93 mm | 11 | 30° / 86°F |
| March | 68 | 28° / 82°F | 24° / 75°F | 126 mm | 11 | 30° / 86°F |
| April | 82 | 28° / 82°F | 24° / 75°F | 51 mm | 11 | 29° / 84°F |
| May | 87 | 28° / 82°F | 23° / 73°F | 23 mm | 9 | 29° / 84°F |
| June | 90 | 28° / 82°F | 22° / 72°F | 8 mm | 8 | 27° / 81°F |
| July | 90 | 27° / 81°F | 21° / 70°F | 5 mm | 8 | 27° / 81°F |
| August | 91 | 27° / 81°F | 21° / 70°F | 3 mm | 9 | 26° / 79°F |
| September | 91 | 27° / 81°F | 21° / 70°F | 3 mm | 9 | 26° / 79°F |
| October | 90 | 26° / 79°F | 22° / 72°F | 5 mm | 10 | 26° / 79°F |
| November | 90 | 26° / 79°F | 22° / 72°F | 7 mm | 10 | 26° / 79°F |
| December | 89 | 27° / 81°F | 23° / 73°F | 15 mm | 10 | 28° / 82°F |
Sea temperature in Tumbes by month
The sea off Tumbes is warmest in February at around 30°C / 86°F, and coolest in August at 26°C / 79°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
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Head-to-head
How Tumbes compares month by month: Tumbes vs Quito · Tumbes vs Guayaquil · Tumbes vs Piura · Tumbes vs Chiclayo · all comparisons
Tumbes: questions and answers
What kind of destination is Tumbes?
Tumbes is a beach resort in Peru with a hot desert climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Tumbes get a year?
Tumbes gets about 2,148 hours of sunshine a year, at its best around August.
When is the best time to visit Tumbes?
The sunniest time to visit Tumbes is August, when the Sunshine Score peaks at 91/100 (with September and June close behind). Expect daytime highs around 27°C / 81°F.
What is the least sunny month in Tumbes?
March is the least sunny month in Tumbes, scoring 68/100 with about 126 mm of rain.
What is the sea temperature in Tumbes?
The sea in Tumbes ranges from about 26°C (August) to 30°C (February). Month-by-month sea temperatures are on this page.
How strong is the sun in Tumbes?
The typical midday UV index in Tumbes peaks around 11 (extreme) in February, easing to about 8 (very high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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