Iki weather by month & the best time to visit
Japan · beach resort · humid subtropical climate
The best time to visit Iki is October — its sunniest month (Sunshine Score 68/100), with May and June close behind. Iki averages about 1,740 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 112 mm of rain in October.
When is the best time to visit Iki?
For sunshine, the best time to visit Iki is October, then May and June. The dullest month is January (13/100, 69 mm of rain). The full month-by-month picture is in the table below.
How sunny is Iki?
Iki isn't a sunny place by world standards: about 1,740 hours of sunshine a year. 55 Sunshine Score points separate October (68) from January (13), so the month you pick matters. It ranks #45 of 79 destinations in Japan for annual sunshine, below the national median of 1,773 hours. Rain has a clear season: the wettest stretch, around July, carries about 44% of the annual 1,963 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 13 | 10° / 50°F | 5° / 41°F | 69 mm | 2 | 15° / 59°F |
| February | 18 | 11° / 52°F | 6° / 43°F | 89 mm | 3 | 14° / 57°F |
| March | 27 | 13° / 55°F | 8° / 46°F | 124 mm | 4 | 14° / 57°F |
| April | 51 | 18° / 64°F | 12° / 54°F | 158 mm | 6 | 17° / 63°F |
| May | 61 | 22° / 72°F | 16° / 61°F | 175 mm | 6 | 19° / 66°F |
| June | 61 | 25° / 77°F | 20° / 68°F | 288 mm | 6 | 22° / 72°F |
| July | 61 | 28° / 82°F | 24° / 75°F | 347 mm | 7 | 26° / 79°F |
| August | 61 | 30° / 86°F | 25° / 77°F | 228 mm | 8 | 30° / 86°F |
| September | 61 | 27° / 81°F | 22° / 72°F | 196 mm | 6 | 28° / 82°F |
| October | 68 | 22° / 72°F | 18° / 64°F | 112 mm | 5 | 25° / 77°F |
| November | 53 | 17° / 63°F | 13° / 55°F | 95 mm | 3 | 22° / 72°F |
| December | 25 | 12° / 54°F | 8° / 46°F | 82 mm | 2 | 18° / 64°F |
Sea temperature in Iki by month
The sea off Iki is warmest in August at around 30°C / 86°F, and coolest in February at 14°C / 57°F. The water sits at a comfortable 21°C or warmer roughly 6 months a year. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Iki: questions and answers
What kind of destination is Iki?
Iki is a beach resort in Japan with a humid subtropical climate — the sea reaches 30°C at its warmest and is swimmable (21°C+) about 6 months a year.
How many hours of sunshine does Iki get a year?
Iki gets about 1,740 hours of sunshine a year, at its best around October.
When is the best time to visit Iki?
The sunniest time to visit Iki is October, when the Sunshine Score peaks at 68/100 (with May and June close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Iki?
January is the least sunny month in Iki, scoring 13/100 with about 69 mm of rain.
What is the sea temperature in Iki?
The sea in Iki ranges from about 14°C (February) to 30°C (August). Month-by-month sea temperatures are on this page.
How strong is the sun in Iki?
The typical midday UV index in Iki peaks around 8 (very high) in August, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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