Itoshima Climate by Month
Itoshima, Fukuoka, Japan
Hot summers and cool winters, with rain spread through the year.
The climate in Itoshima is one of hot summers and cool winters, with rain spread through the year. Afternoon highs range from 50°F (10°C) in January to 88°F (31°C) in August, and January nights average 38°F (3°C). About 64 in (1627 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 88°F(31°C)
- Average high, August
- Coldest nights
- 38°F(3°C)
- Average low, January
- Rain per year
- 64 in(1627 mm)
- No clear rainy season
- Humidity
- 69%
- Sunniest: May
Best and worst months in Itoshima
Best for weatherThe most comfortable weather comes in May and October, with highs around 73°F (23°C) and about 4.4 in (112 mm) of rain a month.
Least pleasantJanuary and July are the least pleasant; January is the coldest, with highs of only 50°F (10°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)
Itoshima weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 38°F(3°C) | 2.5 in(64 mm) | 62% | 2.0 |
| FebFebruary | 51°F(11°C) | 39°F(4°C) | 2.6 in(67 mm) | 59% | 2.8 |
| MarMarch | 57°F(14°C) | 44°F(7°C) | 4.1 in(105 mm) | 64% | 3.7 |
| AprApril | 66°F(19°C) | 52°F(11°C) | 4.9 in(124 mm) | 65% | 4.5 |
| MayMayBest | 74°F(23°C) | 60°F(15°C) | 5.0 in(127 mm) | 67% | 5.0 |
| JunJune | 78°F(26°C) | 67°F(20°C) | 10 in(265 mm) | 80% | 4.4 |
| JulJuly | 85°F(30°C) | 75°F(24°C) | 10.0 in(253 mm) | 80% | 4.7 |
| AugAugust | 88°F(31°C) | 77°F(25°C) | 6.7 in(169 mm) | 75% | 4.9 |
| SepSeptember | 81°F(27°C) | 70°F(21°C) | 7.9 in(201 mm) | 76% | 4.0 |
| OctOctoberBest | 73°F(23°C) | 60°F(16°C) | 3.8 in(97 mm) | 67% | 3.4 |
| NovNovember | 64°F(18°C) | 50°F(10°C) | 3.3 in(83 mm) | 69% | 2.5 |
| DecDecember | 54°F(12°C) | 41°F(5°C) | 2.8 in(72 mm) | 62% | 2.0 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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