Isawa weather
At 9:45 AM local time it was clear and 15°C (59°F). Little to no rain in the next 24 hours. Best months for weather: May, Aug. Isawa sits 270 m (886 ft) above sea level, which keeps it cooler than the coast. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Isawa, Yamanashi, Japan.
Current conditions
- Clouds
- 6%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May, AugOff season Dec–Mar
About Isawa weather
Is it raining in Isawa right now?
No. It’s clear and 15° right now. Little to no rain in the next 24 hours.
What’s the weather like in Isawa this week?
Over the next 7 days, expect highs of 18–23° and lows of 10–13°. Rain is likely on 4 of 7 days (Monday, Tuesday, Wednesday, Thursday). The driest day looks like Sunday.
Has it been raining in Isawa lately?
In the past 7 days, Isawa had 3 rainy days and 51.9 mm of rain in total.
What should I pack for Isawa?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Isawa weather by month
When is the best time to visit Isawa?
Based on weather alone, the best time to visit Isawa is May, Aug, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 4°C (38°F) in January to 28°C (82°F) in August.
What is the rainiest month in Isawa?
July is the wettest month, with about 209 mm (8.2 in) of rain on average. January is the driest, with about 61 mm (2.4 in).
What is the hottest month in Isawa?
August is the warmest, with average highs of 28°C (82°F) and lows of 19°C (66°F). January is the coolest, with highs of 4°C (38°F) and lows of -5°C (22°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