Chiba Climate by Month
Chiba, 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 Chiba's climate in short. August is the warmest month, with highs around 87°F (31°C); January is the coolest at 50°F (10°C), and nights dip to 34°F (1°C). About 54 in (1374 mm) of rain falls in a typical year, with no clear rainy season.
- Warmest month
- 87°F(31°C)
- Average high, August
- Coldest nights
- 34°F(1°C)
- Average low, January
- Rain per year
- 54 in(1374 mm)
- No clear rainy season
- Humidity
- 68%
- Sunniest: May
Best and worst months in Chiba
Best for weatherMay is the best time for weather in Chiba: highs near 73°F (23°C) and about 4.4 in (111 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)
Chiba weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 50°F(10°C) | 34°F(1°C) | 2.2 in(57 mm) | 56% | 2.7 |
| FebFebruary | 51°F(10°C) | 35°F(2°C) | 2.6 in(66 mm) | 53% | 3.2 |
| MarMarch | 56°F(14°C) | 41°F(5°C) | 4.1 in(103 mm) | 60% | 3.9 |
| AprApril | 65°F(19°C) | 49°F(10°C) | 4.3 in(110 mm) | 68% | 4.6 |
| MayMayBest | 73°F(23°C) | 58°F(15°C) | 4.4 in(111 mm) | 70% | 5.0 |
| JunJune | 77°F(25°C) | 65°F(18°C) | 6.0 in(153 mm) | 77% | 4.4 |
| JulJuly | 84°F(29°C) | 72°F(22°C) | 4.6 in(117 mm) | 79% | 4.6 |
| AugAugust | 87°F(31°C) | 75°F(24°C) | 4.7 in(119 mm) | 78% | 4.8 |
| SepSeptember | 81°F(27°C) | 68°F(20°C) | 7.2 in(182 mm) | 79% | 3.7 |
| OctOctober | 71°F(22°C) | 58°F(14°C) | 7.9 in(200 mm) | 72% | 3.0 |
| NovNovember | 63°F(17°C) | 47°F(9°C) | 3.7 in(93 mm) | 68% | 2.4 |
| DecDecember | 54°F(12°C) | 38°F(3°C) | 2.5 in(63 mm) | 57% | 2.3 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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