Japan · 1991–2020 normal

Chōnan in
August.

Typical August weather in Chōnan: 31.2°C by day, 24.3°C at night, 112 mm of rain over 8.3 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high31.2°C
Typical low24.3°C
Rain112 mm
Wet days8.3

Comfort score 44 this month (May leads the year at 77). Daylight is calculated as 13 h 29 from latitude 35.40°. Open-water sea temperature is 26.0°C (32 km from the place centre).

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 26.0°C in August. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 2113001
NOAA station
JA000047682 · CHIBA
Station distance
25.7 km from the place centre
Coverage
Good coverage · 17 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.