Kisarazu Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Kisarazu.
Climate overview of Kisarazu
The climate in Kisarazu, Chiba, Japan, is marked by large temperature swings across the seasons, ranging from 30°C (86°F) in August to 11°C (52°F) in January.
The city has a wet climate, receiving around 1716 mm (68 in) of rainfall per year. Despite the high annual total, it has very warm summers and cold winters. October is the wettest month. Sunshine peaks in August, when the city sees around 6.9 hours of sunshine per day.
Kisarazu Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Kisarazu - and find the best time to visit.
Monthly Temperature in Kisarazu
In Kisarazu, temperatures differ significantly between summer and winter months. On average, daytime temperatures range from a very warm 30°C (86°F) in August to a chilly 11°C (52°F) in January.
Nighttime temperatures range from 25°C (77°F) in August to 4°C (39°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Kisarazu
Kisarazu experiences significant rainfall throughout the year, averaging 1716 mm (68 in) of precipitation annually. The seasons in Kisarazu bring significant changes in precipitation. The wettest month, October, receives heavy rainfall, with an average of 231 mm (9.1 in) of precipitation. This rainfall is distributed across 17 rainy days.
In contrast, the driest month, December, experiences much less rainfall, totaling 77 mm (3 in) over 11 rainy days. These distinct seasonal differences provide diverse experiences throughout the year. For more details, please visit our Kisarazu 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 Kisarazu
Kisarazu enjoys sunny spells year-round. August sees up to 6.9 hours of daily sunshine, perfect for a sunny trip. September, the least sunny month, still offers a generous 4.4 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 Kisarazu by Month
The relative humidity is high throughout the year in Kisarazu.
The city experiences its highest humidity in June, reaching 78%. In January, the humidity drops to its lowest level at 54%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Kisarazu
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: August
- Fewest rainy days: January, February and December
- Seasonal pattern: Very warm summers and cold winters
Frequently asked questions about the climate in Kisarazu
What is the best time to visit Kisarazu?
May and July typically offer the most optimal weather in Kisarazu. In contrast, January, February, March, August, September, October and December tend to have less optimal conditions. Kisarazu has very warm summers and cold winters.
What temperatures can I expect in Kisarazu?
Daytime highs range from 11°C (52°F) in January to 30°C (86°F) in August. Nighttime lows range from 4°C (39°F) to 25°C (77°F). Temperatures vary considerably through the year.
How much rain does Kisarazu get?
Annual rainfall is around 1716 mm (68 in). October is the wettest month with 231 mm (9.1 in), while December is the driest with 77 mm (3 in).
How sunny is Kisarazu?
Kisarazu receives around 1,973 hours of sunshine per year. August is the sunniest month with 208 hours, while September is the cloudiest with just 131 hours.
Kisarazu 3-Day Forecast
Kisarazu on the map
Kisarazu is highlighted - select any city to see its climate.
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