Kawaguchi weather
Best months for weather: Apr–Aug, Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Kawaguchi, Saitama, Japan.
Best Time to Visit
Peak season Apr–Aug, NovOff season Jan–Feb
Kawaguchi weather by month
When is the best time to visit Kawaguchi?
Based on weather alone, the best time to visit Kawaguchi is Apr–Aug, Nov, according to NASA's 2001–2025 climate averages. Jan–Feb tends to be the least pleasant. Average highs run from 8°C (46°F) in January to 32°C (89°F) in August.
What is the rainiest month in Kawaguchi?
October is the wettest month, with about 219 mm (8.6 in) of rain on average. February is the driest, with about 58 mm (2.3 in).
What is the hottest month in Kawaguchi?
August is the warmest, with average highs of 32°C (89°F) and lows of 22°C (72°F). January is the coolest, with highs of 8°C (46°F) and lows of -2°C (28°F).
Does Kawaguchi have a rainy season?
Yes. Jun–Jul, Sep–Oct is the rainy season (150 mm or more a month), while Feb is usually dry (under 60 mm).
Kawaguchi weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months