Location & Surroundings
Chōnan is a town in Chiba, Japan with 7,743 inhabitants, at 41 m elevation. The nearest larger town is Nagadomi, 4 km to the north. The national capital Tokyo is 59 km to the northwest. The nearest airport is Kisarazu Ab, 29 km away.
Also known as: 長南 · ちょうなん · チョウナン
Basic Data
- Type populated place (PPL)
- a city, town, village, or other agglomeration of buildings where people live and work
Geography
-
Coordinates
35° 23' 49" N, 140° 14' 6" E
- Elevation DEM: 41 m
- Timezone Asia/Tokyo
- Time Shift GMT 9 (DST 9)
Statistics & Country
- Population 7,743
- Pop. Density 179 p/km²
- Built-up 7.1%
- Settlement Low density rural
- Currency Yen (JPY)
- Phone Prefix +81
Sun & Local Time
- Local time 22:30
- Sunrise 05:37
- Sunset 17:16
- Day length 11 h 40 min
Other populated places nearby
Nearby
Alternate Names
ja
長南
ja
ちょうなん
ja
チョウナン
Weather in Chonan
Current conditions and a 3-day (72-hour) weather forecast for Chonan, updated from the NOAA GFS model.
Now 21.1 C with overcast skies and a 3.5 m/s easterly wind. Next 24h: 16.5 to 22.0 C, max wind 3.5 m/s. No precipitation expected. Solar peaks near 396 W/m2.
Temperature
21.1 C
Wind
3.5 m/s E (109 deg)
Humidity
51 %
Pressure
1,015.0 hPa
Clouds
87 %
Precip
0.03 mm
Solar
0.0 W/m2
UV-B
n/a
| Hour | Temp (C) | Wind (m/s) | Dir (deg) | RH (%) | Pressure (hPa) | Precip (step/total mm) | Clouds (%) | Solar (W/m2) | UV-B (W/m2) |
|---|---|---|---|---|---|---|---|---|---|
| NOW | 21.1 | 3.5 | 109 | 51 | 1,015.0 | - / 0.00 | 87 | 0.0 | n/a |
| 6h | 18.0 | 1.8 | 65 | 65 | 1,020.4 | 0.00 / 0.00 | 12 | 31.7 | n/a |
| 12h | 16.5 | 2.4 | 17 | 71 | 1,022.0 | 0.00 / 0.00 | 3 | 0.0 | n/a |
| 18h | 21.5 | 3.3 | 68 | 59 | 1,024.2 | 0.02 / 0.02 | 32 | 150.0 | n/a |
| Tomorrow | 22.0 | 3.5 | 89 | 55 | 1,023.2 | 0.00 / 0.03 | 0 | 396.4 | n/a |
| 30h | 17.5 | 1.5 | 84 | 71 | 1,025.4 | 0.00 / 0.00 | 0 | 62.8 | n/a |
| 36h | 16.2 | 1.4 | 27 | 75 | 1,025.1 | 0.00 / 0.00 | 0 | 0.0 | n/a |
| 42h | 21.2 | 3.0 | 44 | 52 | 1,025.8 | 0.00 / 0.00 | 0 | 152.3 | n/a |
| Friday | 22.8 | 4.3 | 72 | 50 | 1,023.1 | 0.00 / 0.00 | 0 | 662.0 | n/a |
| 54h | 18.2 | 2.3 | 22 | 77 | 1,024.3 | 0.00 / 0.00 | 1 | 61.6 | n/a |
| 60h | 16.5 | 2.4 | 4 | 82 | 1,022.6 | 0.00 / 0.00 | 4 | 0.0 | n/a |
| 66h | 20.0 | 3.8 | 9 | 68 | 1,022.2 | 0.00 / 0.00 | 50 | 69.1 | n/a |
| Saturday | 23.3 | 5.0 | 60 | 57 | 1,019.2 | 0.00 / 0.00 | 3 | 636.4 | n/a |
Source: NOAA GFS 0.25° (run 2026-10-07 06:00 UTC).
FAQ
What is the current weather and next 24-hour outlook in Chonan?
Now 21.1 C with overcast skies and a 3.5 m/s easterly wind. Next 24h: 16.5 to 22.0 C, max wind 3.5 m/s. No precipitation expected. Solar peaks near 396 W/m2.
Is precipitation expected in the next 24 hours?
No measurable precipitation is expected in the next 24 hours.
When are sunrise and sunset in Chonan today?
Sunrise around 05:37 and sunset around 17:16 (local time). Day length about 11h 39m.
What is the local time in Chonan?
Local time is 22:30. Time zone: Asia/Tokyo (UTC+09:00).
What type of place is Chonan?
Chonan is a populated place.
How many people live in Chonan?
Population about 7,743.
What is the elevation of Chonan?
DEM 41 m.
Where is Chonan located?
It is at 35.39701, 140.23503 (latitude, longitude).
Which country is Chonan in?
It is in Japan.