Shimabara Climate by Month
Shimabara, Nagasaki, Japan
Hot summers and cool winters, with rain spread through the year.
Shimabara has hot summers and cool winters, with rain spread through the year. Expect highs of 87°F (31°C) in August and 48°F (9°C) in January, with the coldest nights (January) near 35°F (2°C). About 82 in (2074 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 35°F(2°C)
- Average low, January
- Rain per year
- 82 in(2074 mm)
- No clear rainy season
- Humidity
- 74%
- Sunniest: August
Best and worst months in Shimabara
Best for weatherOctober is the best time for weather in Shimabara: highs near 73°F (23°C) and about 3.8 in (96 mm) of rain a month.
Least pleasantJuly is the least pleasant month: it's the wettest, with 16 in (404 mm) of rain.
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)
Shimabara weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 48°F(9°C) | 35°F(2°C) | 2.4 in(62 mm) | 67% | 2.3 |
| FebFebruary | 51°F(11°C) | 36°F(2°C) | 3.5 in(89 mm) | 73% | 3.0 |
| MarMarch | 57°F(14°C) | 42°F(5°C) | 5.2 in(131 mm) | 66% | 3.9 |
| AprApril | 66°F(19°C) | 50°F(10°C) | 5.9 in(151 mm) | 72% | 4.6 |
| MayMay | 74°F(24°C) | 58°F(15°C) | 7.0 in(177 mm) | 73% | 5.0 |
| JunJune | 78°F(26°C) | 66°F(19°C) | 16 in(408 mm) | 82% | 4.3 |
| JulJuly | 85°F(29°C) | 73°F(23°C) | 16 in(404 mm) | 83% | 4.9 |
| AugAugust | 87°F(31°C) | 74°F(24°C) | 7.9 in(200 mm) | 78% | 5.2 |
| SepSeptember | 82°F(28°C) | 68°F(20°C) | 7.8 in(198 mm) | 74% | 4.3 |
| OctOctoberBest | 73°F(23°C) | 58°F(15°C) | 3.8 in(96 mm) | 69% | 3.6 |
| NovNovember | 63°F(17°C) | 48°F(9°C) | 3.4 in(86 mm) | 73% | 2.6 |
| DecDecember | 52°F(11°C) | 38°F(4°C) | 2.8 in(72 mm) | 77% | 2.1 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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