Japan · 1991–2020 normal

Seirō in
August.

Typical August weather in Seirō: 30.5°C by day, 23.1°C at night, 222 mm of rain over 12.6 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high30.5°C
Typical low23.1°C
Rain222 mm
Wet days12.6

Comfort score 29 this month (June leads the year at 76). Daylight is calculated as 13 h 38 from latitude 37.98°. Open-water sea temperature is 26.3°C (19 km from the place centre).

Event window

Warm sea in August

The nearest open-water NOAA OISST 1991–2020 cell averages 26.3°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 1898046
NOAA station
JA000047604 · NIIGATA
Station distance
19.4 km from the place centre
Coverage
Good coverage · 20 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.