Shūnan vs Iwanuma Climate
87%matchOn climate, Iwanuma is a 87% match for Shūnan. Compared with Shūnan, Iwanuma has 5°F (3°C) cooler summer days, 5°F (3°C) colder winter nights and less rain in summer.
Shūnan gets 71 in (1793 mm) of rain a year and Iwanuma 49 in (1246 mm). August is the warmest month in both, with highs of 87°F (31°C) in Shūnan and 82°F (28°C) in Iwanuma.
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
ShūnanIwanumasolid = high, dashed = low
Rain (in per month)
ShūnanIwanuma
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Shūnan | Iwanuma | Shūnan | Iwanuma | Shūnan | Iwanuma | |
| Jan | 49°F(9°C) | 43°F(6°C) | 35°F(2°C) | 30°F(-1°C) | 2.2 in(56 mm) | 1.7 in(42 mm) |
| Feb | 50°F(10°C) | 44°F(7°C) | 36°F(2°C) | 31°F(0°C) | 2.8 in(72 mm) | 1.5 in(39 mm) |
| Mar | 56°F(13°C) | 51°F(10°C) | 40°F(5°C) | 36°F(2°C) | 4.8 in(123 mm) | 2.7 in(69 mm) |
| Apr | 65°F(18°C) | 61°F(16°C) | 49°F(9°C) | 44°F(7°C) | 6.9 in(176 mm) | 3.8 in(97 mm) |
| May | 73°F(23°C) | 69°F(20°C) | 58°F(14°C) | 54°F(12°C) | 7.6 in(194 mm) | 3.9 in(98 mm) |
| Jun | 78°F(26°C) | 73°F(23°C) | 66°F(19°C) | 62°F(17°C) | 11 in(268 mm) | 5.2 in(132 mm) |
| Jul | 85°F(29°C) | 80°F(26°C) | 73°F(23°C) | 69°F(21°C) | 12 in(313 mm) | 6.6 in(168 mm) |
| Aug | 87°F(31°C) | 82°F(28°C) | 75°F(24°C) | 72°F(22°C) | 5.1 in(129 mm) | 6.1 in(154 mm) |
| Sep | 81°F(27°C) | 77°F(25°C) | 68°F(20°C) | 65°F(18°C) | 7.9 in(200 mm) | 6.8 in(172 mm) |
| Oct | 73°F(23°C) | 68°F(20°C) | 57°F(14°C) | 54°F(12°C) | 4.6 in(118 mm) | 6.3 in(161 mm) |
| Nov | 63°F(17°C) | 58°F(15°C) | 47°F(9°C) | 42°F(6°C) | 3.0 in(77 mm) | 2.4 in(61 mm) |
| Dec | 53°F(12°C) | 48°F(9°C) | 38°F(3°C) | 33°F(1°C) | 2.6 in(67 mm) | 2.1 in(53 mm) |
1991–2020 averages, by calendar month.