Chiba Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Chiba.
Climate overview of Chiba
Temperatures in Chiba, Chiba, Japan, vary greatly throughout the year. August is the hottest month at 31°C (88°F), while January is the coldest at 10°C (50°F).
The city has a wet climate, receiving around 1644 mm (65 in) of rainfall per year. Despite the high annual total, it has very warm summers and cold winters. October is the wettest month. January is the sunniest month, averaging 6.4 hours of sunshine per day.
Chiba Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Chiba - and find the best time to visit.
Monthly Temperature in Chiba
The climate in Chiba is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a very warm 31°C (88°F) in August to a chilly 10°C (50°F) in January.
Nighttime temperatures range from 24°C (75°F) in August to 3°C (37°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Chiba
Chiba has a notably wet climate with abundant precipitation, recording 1644 mm (65 in) of rainfall per year. The seasons in Chiba bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 223 mm (8.8 in) of precipitation. This rainfall is distributed across 17 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 74 mm (2.9 in) over 10 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Chiba Precipitation page.
The mean monthly precipitation over the year, including rain, hail, and snow
The average number of days each month with precipitation
Sunshine Hours in Chiba
Chiba enjoys sunny spells year-round. January sees up to 6.4 hours of daily sunshine, perfect for a sunny trip. June, the least sunny month, still offers a generous 4.1 hours of sun despite this cloudier time of the year.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Humidity in Chiba by Month
The relative humidity is high throughout the year in Chiba.
The city experiences its highest humidity in July, reaching 77%. In January, the humidity drops to its lowest level at 53%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Chiba
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May and July
- Warmest weather: July and August
- Most sunshine: January and August
- Fewest rainy days: January, February and December
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Chiba
What is the best time to visit Chiba?
May and July typically offer the most optimal weather in Chiba. In contrast, January tends to have less optimal conditions. Chiba has very warm summers and cold winters.
What temperatures can I expect in Chiba?
Daytime highs range from 10°C (50°F) in January to 31°C (88°F) in August. Nighttime lows range from 3°C (37°F) to 24°C (75°F). Temperatures vary considerably through the year.
How much rain does Chiba get?
Annual rainfall is around 1644 mm (65 in). October is the wettest month with 223 mm (8.8 in), while December is the driest with 74 mm (2.9 in).
How sunny is Chiba?
Chiba receives around 1,957 hours of sunshine per year. January is the sunniest month with 193 hours, while June is the cloudiest with just 124 hours.
Chiba 3-Day Forecast
Chiba on the map
Chiba is highlighted - select any city to see its climate.
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