Jeju City vs Iwai, Japan Climate
82%matchJeju City vs Iwai: a 82% climate match. Compared with Jeju City, Iwai has the same summer highs, 6°F (3°C) colder winter nights, less sun and half the summer rain.
Jeju City gets 66 in (1673 mm) of rain a year and Iwai 52 in (1325 mm). August is the warmest month in both, with highs of 86°F (30°C) in Jeju City and 87°F (30°C) in Iwai.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
Jeju CityIwaisolid = high, dashed = low
Rain (in per month)
Jeju CityIwai
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Jeju City | Iwai | Jeju City | Iwai | Jeju City | Iwai | |
| Jan | 48°F(9°C) | 49°F(9°C) | 37°F(3°C) | 30°F(-1°C) | 2.5 in(63 mm) | 1.5 in(39 mm) |
| Feb | 50°F(10°C) | 50°F(10°C) | 38°F(3°C) | 32°F(0°C) | 2.5 in(64 mm) | 2.0 in(50 mm) |
| Mar | 56°F(14°C) | 56°F(13°C) | 43°F(6°C) | 38°F(3°C) | 4.0 in(102 mm) | 3.3 in(83 mm) |
| Apr | 65°F(18°C) | 65°F(19°C) | 50°F(10°C) | 47°F(8°C) | 5.4 in(137 mm) | 4.0 in(102 mm) |
| May | 72°F(22°C) | 73°F(23°C) | 58°F(14°C) | 56°F(14°C) | 6.4 in(162 mm) | 4.8 in(122 mm) |
| Jun | 77°F(25°C) | 77°F(25°C) | 66°F(19°C) | 64°F(18°C) | 8.2 in(208 mm) | 5.7 in(144 mm) |
| Jul | 84°F(29°C) | 84°F(29°C) | 74°F(23°C) | 71°F(22°C) | 10 in(258 mm) | 6.0 in(153 mm) |
| Aug | 86°F(30°C) | 87°F(30°C) | 76°F(24°C) | 73°F(23°C) | 11 in(267 mm) | 5.2 in(131 mm) |
| Sep | 80°F(26°C) | 80°F(27°C) | 68°F(20°C) | 67°F(19°C) | 8.2 in(208 mm) | 6.8 in(173 mm) |
| Oct | 72°F(22°C) | 70°F(21°C) | 58°F(15°C) | 56°F(13°C) | 3.0 in(76 mm) | 8.1 in(207 mm) |
| Nov | 62°F(17°C) | 62°F(16°C) | 49°F(9°C) | 44°F(7°C) | 2.7 in(68 mm) | 2.8 in(71 mm) |
| Dec | 52°F(11°C) | 53°F(12°C) | 40°F(4°C) | 34°F(1°C) | 2.4 in(60 mm) | 2.0 in(50 mm) |
1991–2020 averages, by calendar month.