Ilo weather by month & the best time to visit
Peru · beach resort · hot desert climate
The best time to visit Ilo is April — its sunniest month (Sunshine Score 96/100), with May and June close behind. Ilo averages about 2,919 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 1 mm of rain in April.
When is the best time to visit Ilo?
For sunshine, the best time to visit Ilo is April, then May and June. The dullest month is February (93/100, 17 mm of rain). The full month-by-month picture is in the table below.
How sunny is Ilo?
Ilo gets a lot of sun: around 2,919 hours a year. Conditions barely change through the year — only 3 Sunshine Score points separate April from February. It ranks #5 of 25 destinations in Peru for annual sunshine, above the national median of 2,286 hours. Rain is a non-event in Ilo — about 52 mm in a typical year.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 94 | 29° / 84°F | 22° / 72°F | 13 mm | 13 | 21° / 70°F |
| February | 93 | 30° / 86°F | 23° / 73°F | 17 mm | 13 | 23° / 73°F |
| March | 95 | 30° / 86°F | 22° / 72°F | 8 mm | 12 | 23° / 73°F |
| April | 96 | 28° / 82°F | 20° / 68°F | 1 mm | 10 | 21° / 70°F |
| May | 96 | 26° / 79°F | 18° / 64°F | 0 mm | 7 | 18° / 64°F |
| June | 96 | 24° / 75°F | 17° / 63°F | 1 mm | 6 | 17° / 63°F |
| July | 96 | 24° / 75°F | 16° / 61°F | 3 mm | 6 | 17° / 63°F |
| August | 96 | 24° / 75°F | 16° / 61°F | 2 mm | 7 | 16° / 61°F |
| September | 96 | 25° / 77°F | 17° / 63°F | 2 mm | 8 | 17° / 63°F |
| October | 96 | 26° / 79°F | 17° / 63°F | 1 mm | 10 | 18° / 64°F |
| November | 96 | 27° / 81°F | 19° / 66°F | 1 mm | 12 | 20° / 68°F |
| December | 96 | 28° / 82°F | 20° / 68°F | 3 mm | 13 | 19° / 66°F |
Sea temperature in Ilo by month
The sea off Ilo is warmest in February at around 23°C / 73°F, and coolest in August at 16°C / 61°F. The water sits at a comfortable 21°C or warmer roughly 4 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Ilo: questions and answers
What kind of destination is Ilo?
Ilo is a beach resort in Peru with a hot desert climate — the sea reaches 23°C at its warmest and is swimmable (21°C+) about 4 months a year.
How many hours of sunshine does Ilo get a year?
Ilo gets about 2,919 hours of sunshine a year, at its best around April.
When is the best time to visit Ilo?
The sunniest time to visit Ilo is April, when the Sunshine Score peaks at 96/100 (with May and June close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Ilo?
February is the least sunny month in Ilo, scoring 93/100 with about 17 mm of rain.
What is the sea temperature in Ilo?
The sea in Ilo ranges from about 16°C (August) to 23°C (February). Month-by-month sea temperatures are on this page.
How strong is the sun in Ilo?
The typical midday UV index in Ilo peaks around 13 (extreme) in January, easing to about 6 (high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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