Chōnan Weather Today

Daily Weather Forecast & Temperature in Chōnan

light rain
20°
light rain
H: 20° L: 20°
Feels like 20°
AQI: Moderate (3/5)
Humidity
71%
Dew 15°
Wind speed
20.23 km/h
SW · G47.12
Pressure
1007 hPa
Visibility
10 km
Rain
0.22 mm
High Winds
Wind speed is 20.23 km/h. Secure loose objects.
Weather Summary
Currently in Chōnan, expect varied conditions with mild temperatures around 20°. Winds are moderate winds.
Precipitation Probability
0%
18
0%
21
0%
00
0%
03
20%
06
0%
09
0%
12
0%
15
0%
18
0%
21
0%
00
0%
03
0%
06
42%
09
100%
12
100%
15
Evolution
Daily Weather Forecast Evolution (°C)
Lowest temperature
Highest temperature
Temperature Forecast (48h)
21°
Sun
18:00
19°
 
17°
 
16°
 
15°
Mon
06:00
19°
 
22°
 
21°
 
18°
Mon
18:00
18°
 
17°
 
17°
 
17°
Tue
06:00
15°
 
15°
 
14°
 
Hot (≥30°)
Warm
Cool
Cold (<0°)
Weather Map
Sun & Moon
Sunrise
Sunrise
05:20
Sunset
Sunset
18:02
Moon Phase
Waning Gibbous (70%)
Timezone: GMT+05:30
Last updated: Apr 5, 2026 12:18 PM · Data refreshes every 5 min
Location Info
Latitude
Latitude
35.400002
Longitude
Longitude
140.233337
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More about Chōnan
Content curated by the NearWeather editorial team · Updated periodically

Climate and Weather in Chōnan, Japan

Chōnan is a city located in the Chiba Prefecture of Japan. Situated on the eastern coast of Honshu Island, Chōnan experiences a humid subtropical climate. The city's location near the ocean moderates its temperatures, resulting in mild winters and warm summers. In this article, we will explore the climate and weather conditions in Chōnan throughout the year.

Temperature

The average annual temperature in Chōnan is around 15 degrees Celsius (59 degrees Fahrenheit). Summers are generally warm and humid, with average temperatures ranging from 25 to 30 degrees Celsius (77 to 86 degrees Fahrenheit). The hottest months are July and August, when temperatures can occasionally reach above 35 degrees Celsius (95 degrees Fahrenheit). Winters in Chōnan are mild, with average temperatures ranging from 5 to 10 degrees Celsius (41 to 50 degrees Fahrenheit). The coldest months are January and February, with temperatures occasionally dropping below freezing. Snowfall is relatively rare in Chōnan, but it can occur occasionally during the winter months.

Rainfall

Chōnan experiences a significant amount of rainfall throughout the year, with the wettest months being June and July. The annual precipitation in the city averages around 1,500 millimeters (59 inches). The rainy season, known as "Tsuyu," usually occurs from early June to mid-July, bringing heavy and persistent rainfall. It is advisable to carry an umbrella or raincoat during this period.

Typhoons

Chōnan is occasionally affected by typhoons, which are tropical cyclones that form in the western Pacific Ocean. The typhoon season in Japan typically runs from June to October, with the highest likelihood of typhoon activity occurring in August and September. These powerful storms can bring strong winds, heavy rainfall, and potential disruptions to daily life. It is important to stay updated on weather forecasts and follow any evacuation or safety instructions issued by local authorities during typhoon events.

Sunlight

Chōnan enjoys a fair amount of sunshine throughout the year. The longest days occur during the summer solstice in June, with daylight lasting for more than 14 hours. During the winter months, the days are shorter, with daylight lasting for around 9 hours.

Humidity

Chōnan experiences relatively high humidity levels, especially during the summer months. Humidity averages around 80% during summer, making the air feel heavy and muggy. It is important to stay hydrated and take necessary precautions to prevent heat-related illnesses during this period.

Climate Graph

To provide a visual representation of Chōnan's climate, the following climate graph displays the average monthly temperatures and precipitation throughout the year:
Month Temperature (°C) Precipitation (mm)
January 6 50
February 7 60
March 10 90
April 15 100
May 19 110
June 23 180
July 26 190
August 27 180
September 24 230
October 19 160
November 14 90
December 9 60

Source: Chōnan Weather Station

Best Time to Visit

The best time to visit Chōnan depends on personal preferences. Spring (March to May) and autumn (September to November) offer milder temperatures, lower humidity, and colorful foliage, making them popular seasons for outdoor activities and sightseeing. Summer (June to August) is a good time for beachgoers and those who enjoy warm weather. Winter (December to February) is ideal for travelers who prefer cooler temperatures and fewer crowds. In conclusion, Chōnan experiences a humid subtropical climate with mild winters and warm summers. The city receives a significant amount of rainfall throughout the year, with the wettest months being June and July. It is advisable to be prepared for typhoons during the typhoon season from June to October. Overall, Chōnan offers a pleasant climate for visitors to enjoy various outdoor activities and explore its beautiful surroundings.
Weather data sourced from OpenWeatherMap. Forecasts are estimates and may differ from actual conditions. For severe weather, consult your local meteorological authority.
FAQ's about Chōnan
What is the Latitude and Longitude of Chōnan?

Chōnan's Latitude is 35.400002 & Longitude is 140.233337.

What is the weather in Chōnan today?

Weather in Chōnan is 20° today.

What is the climatic condition of Chōnan today?

Climate Conditions in Chōnan shows light rain today.

What is the humidity in Chōnan today?

Humidity in Chōnan is 71% today.

What is the wind speed in Chōnan today?

Wind speed in Chōnan is 20.23 km/h, flowing at 215° SW wind direction.

What does it feel like in Chōnan today?

It feels like 20° in Chōnan today, with 100% cloud cover and 10 km visibility.

Weather in Chōnan