Isa weather
Best months for weather: Oct–Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Isa, Kagoshima, Japan.
Best Time to Visit
Peak season Oct–NovOff season Jun–Jul, Sep, Jan–Feb
Isa weather by month
When is the best time to visit Isa?
Based on weather alone, the best time to visit Isa is Oct–Nov, according to NASA's 2001–2025 climate averages. Jun–Jul, Sep, Jan–Feb tends to be the least pleasant. Average highs run from 9°C (48°F) in January to 30°C (85°F) in August.
What is the rainiest month in Isa?
June is the wettest month, with about 512 mm (20.2 in) of rain on average. January is the driest, with about 78 mm (3.1 in).
What is the hottest month in Isa?
August is the warmest, with average highs of 30°C (85°F) and lows of 23°C (73°F). January is the coolest, with highs of 9°C (48°F) and lows of 1°C (34°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months