Tsushima, Japan Climate by Month
Tsushima, Nagasaki, Japan
Warm summers and cool winters, with rain spread through the year.
Tsushima has warm summers and cool winters, with rain spread through the year. Expect highs of 83°F (29°C) in August and 47°F (8°C) in January, with the coldest nights (January) near 34°F (1°C). About 76 in (1927 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 83°F(29°C)
- Average high, August
- Coldest nights
- 34°F(1°C)
- Average low, January
- Rain per year
- 76 in(1927 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: May
Best and worst months in Tsushima
Best for weatherThe most comfortable weather comes in October, with highs around 70°F (21°C) and about 4.1 in (105 mm) of rain a month.
Least pleasantJanuary and February are the least pleasant; January is the coldest, with highs of only 47°F (8°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)
Tsushima weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 47°F(8°C) | 34°F(1°C) | 2.4 in(62 mm) | 59% | 2.3 |
| FebFebruary | 49°F(9°C) | 36°F(2°C) | 2.8 in(70 mm) | 55% | 2.9 |
| MarMarch | 54°F(12°C) | 41°F(5°C) | 5.1 in(130 mm) | 62% | 3.7 |
| AprApril | 62°F(17°C) | 49°F(10°C) | 6.3 in(159 mm) | 66% | 4.5 |
| MayMay | 69°F(21°C) | 56°F(14°C) | 6.8 in(173 mm) | 71% | 5.1 |
| JunJune | 74°F(23°C) | 64°F(18°C) | 11 in(276 mm) | 83% | 4.6 |
| JulJuly | 81°F(27°C) | 72°F(22°C) | 12 in(294 mm) | 85% | 4.5 |
| AugAugust | 83°F(29°C) | 74°F(23°C) | 12 in(293 mm) | 81% | 4.6 |
| SepSeptember | 77°F(25°C) | 67°F(19°C) | 8.2 in(208 mm) | 78% | 3.7 |
| OctOctoberBest | 70°F(21°C) | 58°F(14°C) | 4.1 in(105 mm) | 69% | 3.4 |
| NovNovember | 61°F(16°C) | 47°F(9°C) | 3.6 in(92 mm) | 63% | 2.6 |
| DecDecember | 51°F(11°C) | 37°F(3°C) | 2.6 in(65 mm) | 61% | 2.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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