Yachiyo, Japan Climate by Month
Yachiyo, Chiba, Japan
Hot summers and cool winters, with rain spread through the year.
Yachiyo has hot summers and cool winters, with rain spread through the year. Expect highs of 87°F (31°C) in August and 50°F (10°C) in January, with the coldest nights (January) near 33°F (0°C). About 54 in (1368 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 33°F(0°C)
- Average low, January
- Rain per year
- 54 in(1368 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: May
Best and worst months in Yachiyo
Best for weatherMay is the best time for weather in Yachiyo: highs near 73°F (23°C) and about 4.5 in (115 mm) of rain a month.
Least pleasantJanuary and February 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 May.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Yachiyo weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 33°F(0°C) | 2.0 in(51 mm) | 57% | 2.7 |
| FebFebruary | 51°F(11°C) | 34°F(1°C) | 2.4 in(62 mm) | 54% | 3.2 |
| MarMarch | 57°F(14°C) | 40°F(5°C) | 3.9 in(98 mm) | 60% | 3.8 |
| AprApril | 66°F(19°C) | 49°F(10°C) | 4.3 in(109 mm) | 62% | 4.6 |
| MayMayBest | 73°F(23°C) | 58°F(14°C) | 4.5 in(115 mm) | 70% | 5.0 |
| JunJune | 78°F(25°C) | 65°F(18°C) | 5.9 in(150 mm) | 77% | 4.4 |
| JulJuly | 84°F(29°C) | 72°F(22°C) | 5.1 in(130 mm) | 79% | 4.5 |
| AugAugust | 87°F(31°C) | 74°F(24°C) | 4.8 in(123 mm) | 75% | 4.7 |
| SepSeptember | 81°F(27°C) | 68°F(20°C) | 7.2 in(184 mm) | 76% | 3.7 |
| OctOctober | 71°F(22°C) | 57°F(14°C) | 7.9 in(200 mm) | 73% | 2.9 |
| NovNovember | 63°F(17°C) | 46°F(8°C) | 3.5 in(88 mm) | 69% | 2.4 |
| DecDecember | 54°F(12°C) | 36°F(2°C) | 2.3 in(58 mm) | 59% | 2.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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