Iwamizawa vs Back Mountain Climate
85%matchIwamizawa vs Back Mountain: a 85% climate match. Compared with Iwamizawa, Back Mountain has more sun, 4°F (2°C) hotter summer days and less rain in winter.
Iwamizawa gets 46 in (1168 mm) of rain a year and Back Mountain 40 in (1014 mm). Iwamizawa's warmest month is August, at 78°F (26°C); Back Mountain's is July, at 81°F (27°C).
Climate fingerprints: ring color = average temperature, thickness = rain. January at the top.
Month by month
Highs and lows (°F)
IwamizawaBack Mountainsolid = high, dashed = low
Rain (in per month)
IwamizawaBack Mountain
Monthly averages
| Month | High | Low | Rain | |||
|---|---|---|---|---|---|---|
| Iwamizawa | Back Mountain | Iwamizawa | Back Mountain | Iwamizawa | Back Mountain | |
| Jan | 29°F(-1°C) | 33°F(1°C) | 15°F(-9°C) | 17°F(-9°C) | 3.7 in(95 mm) | 2.5 in(64 mm) |
| Feb | 31°F(0°C) | 35°F(2°C) | 16°F(-9°C) | 17°F(-8°C) | 2.9 in(74 mm) | 2.4 in(60 mm) |
| Mar | 39°F(4°C) | 44°F(7°C) | 24°F(-4°C) | 25°F(-4°C) | 2.4 in(62 mm) | 3.0 in(76 mm) |
| Apr | 51°F(11°C) | 57°F(14°C) | 35°F(2°C) | 35°F(2°C) | 2.5 in(64 mm) | 3.4 in(86 mm) |
| May | 63°F(17°C) | 68°F(20°C) | 45°F(7°C) | 45°F(7°C) | 2.6 in(67 mm) | 3.5 in(90 mm) |
| Jun | 70°F(21°C) | 76°F(25°C) | 53°F(12°C) | 54°F(12°C) | 2.8 in(72 mm) | 4.7 in(119 mm) |
| Jul | 77°F(25°C) | 81°F(27°C) | 62°F(17°C) | 59°F(15°C) | 5.0 in(126 mm) | 3.3 in(84 mm) |
| Aug | 78°F(26°C) | 80°F(27°C) | 64°F(18°C) | 58°F(15°C) | 5.9 in(149 mm) | 3.7 in(94 mm) |
| Sep | 72°F(22°C) | 74°F(23°C) | 55°F(13°C) | 51°F(11°C) | 5.1 in(130 mm) | 4.0 in(101 mm) |
| Oct | 60°F(16°C) | 62°F(16°C) | 43°F(6°C) | 41°F(5°C) | 3.8 in(97 mm) | 3.6 in(91 mm) |
| Nov | 47°F(8°C) | 49°F(10°C) | 32°F(0°C) | 31°F(0°C) | 4.1 in(105 mm) | 2.9 in(74 mm) |
| Dec | 34°F(1°C) | 39°F(4°C) | 21°F(-6°C) | 24°F(-5°C) | 5.0 in(127 mm) | 3.0 in(75 mm) |
1991–2020 averages, by calendar month.