Iwakuni vs Niihama Climate
99%matchIwakuni and Niihama are a 99% climate match. Very close: temperatures within 2°F (1°C), with similar rain, humidity and sun.
Iwakuni gets 66 in (1665 mm) of rain a year and Niihama 63 in (1607 mm). August is the warmest month in both, with highs of 89°F (31°C) in Iwakuni and 90°F (32°C) in Niihama.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
IwakuniNiihamasolid = high, dashed = low
Rain (in per month)
IwakuniNiihama
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Iwakuni | Niihama | Iwakuni | Niihama | Iwakuni | Niihama | |
| Jan | 50°F(10°C) | 51°F(10°C) | 36°F(2°C) | 35°F(2°C) | 2.2 in(56 mm) | 1.7 in(44 mm) |
| Feb | 51°F(11°C) | 53°F(11°C) | 37°F(3°C) | 36°F(2°C) | 2.8 in(71 mm) | 2.4 in(62 mm) |
| Mar | 57°F(14°C) | 59°F(15°C) | 42°F(5°C) | 42°F(6°C) | 5.1 in(130 mm) | 4.2 in(107 mm) |
| Apr | 66°F(19°C) | 67°F(20°C) | 50°F(10°C) | 50°F(10°C) | 6.4 in(162 mm) | 5.7 in(144 mm) |
| May | 74°F(23°C) | 76°F(24°C) | 59°F(15°C) | 59°F(15°C) | 6.9 in(174 mm) | 6.5 in(165 mm) |
| Jun | 79°F(26°C) | 81°F(27°C) | 67°F(19°C) | 67°F(20°C) | 9.8 in(250 mm) | 9.6 in(243 mm) |
| Jul | 86°F(30°C) | 87°F(31°C) | 74°F(24°C) | 75°F(24°C) | 9.6 in(243 mm) | 9.3 in(235 mm) |
| Aug | 89°F(31°C) | 90°F(32°C) | 76°F(25°C) | 76°F(25°C) | 5.3 in(135 mm) | 3.5 in(89 mm) |
| Sep | 82°F(28°C) | 84°F(29°C) | 70°F(21°C) | 69°F(21°C) | 6.9 in(174 mm) | 8.5 in(216 mm) |
| Oct | 74°F(23°C) | 75°F(24°C) | 59°F(15°C) | 59°F(15°C) | 5.2 in(131 mm) | 6.7 in(169 mm) |
| Nov | 64°F(18°C) | 64°F(18°C) | 49°F(10°C) | 48°F(9°C) | 3.2 in(82 mm) | 3.1 in(78 mm) |
| Dec | 55°F(13°C) | 55°F(13°C) | 40°F(4°C) | 38°F(4°C) | 2.2 in(57 mm) | 2.2 in(55 mm) |
1991–2020 averages, by calendar month.