Shimonoseki Climate by Month
Shimonoseki, Yamaguchi, Japan
Hot summers and cool winters, with rain spread through the year.
Hot summers and cool winters, with rain spread through the year: that's Shimonoseki's climate in short. Expect highs of 87°F (30°C) in August and 49°F (9°C) in January, with the coldest nights (January) near 38°F (4°C). About 64 in (1618 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(30°C)
- Average high, August
- Coldest nights
- 38°F(4°C)
- Average low, January
- Rain per year
- 64 in(1618 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: May
Best and worst months in Shimonoseki
Best for weatherOctober is the best time for weather in Shimonoseki: highs near 72°F (22°C) and about 3.9 in (100 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 49°F (9°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in October.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Shimonoseki weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 49°F(9°C) | 38°F(4°C) | 2.8 in(72 mm) | 62% | 2.0 |
| FebFebruary | 50°F(10°C) | 39°F(4°C) | 2.8 in(71 mm) | 61% | 2.8 |
| MarMarch | 56°F(13°C) | 43°F(6°C) | 4.2 in(107 mm) | 67% | 3.8 |
| AprApril | 64°F(18°C) | 51°F(10°C) | 5.5 in(139 mm) | 69% | 4.6 |
| MayMay | 72°F(22°C) | 59°F(15°C) | 5.7 in(146 mm) | 70% | 5.1 |
| JunJune | 77°F(25°C) | 67°F(19°C) | 9.6 in(243 mm) | 78% | 4.5 |
| JulJuly | 84°F(29°C) | 74°F(24°C) | 11 in(274 mm) | 79% | 4.8 |
| AugAugust | 87°F(30°C) | 76°F(25°C) | 5.2 in(131 mm) | 77% | 5.0 |
| SepSeptember | 80°F(27°C) | 69°F(21°C) | 7.1 in(181 mm) | 75% | 4.0 |
| OctOctoberBest | 72°F(22°C) | 60°F(15°C) | 3.9 in(100 mm) | 69% | 3.4 |
| NovNovember | 63°F(17°C) | 50°F(10°C) | 3.2 in(82 mm) | 64% | 2.4 |
| DecDecember | 53°F(12°C) | 42°F(6°C) | 2.8 in(72 mm) | 62% | 1.9 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
Places with a similar climate
All 20 places like Shimonoseki →- 🇯🇵SaseboNagasaki, Japan · Pop. 243k99%matchSame summer highsSame humidityShimonoseki vs Sasebo →
- 🇯🇵KaratsuSaga, Japan · Pop. 118k99%matchSame winter lowsSame summer highsShimonoseki vs Karatsu →
- 🇯🇵HamadaShimane, Japan · Pop. 57k99%matchSame winter lowsSame summer highsShimonoseki vs Hamada →
- 🇯🇵IkiNagasaki, Japan · Pop. 30k99%matchSame winter lowsSame summer highsShimonoseki vs Iki →
- 🇯🇵KureHiroshima, Japan · Pop. 215k99%matchSame summer highsSame humidityShimonoseki vs Kure →