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Ichinoseki Weather by Month
Average temperatures, rainfall and humidity for Ichinoseki, Japan, month by month, built from OpenWeather’s historical records. Use it to see what a typical Ichinoseki month looks like before you travel — then check the live Ichinoseki forecast for the days ahead.
Warmest month
August
27°C average high
Coolest month
February
0°C average low
Wettest month
July
120 mm of rain
Driest month
January
23 mm of rain
Average temperature and rainfall in Ichinoseki by month
Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.
| Month | Avg high | Avg low | Record low / high | Rainfall | Humidity | Wind |
|---|---|---|---|---|---|---|
| January | 7°C | 0°C | -8°C / 20°C | 23 mm | 75% | 20 km/h |
| February | 7°C | 0°C | -7°C / 21°C | 34 mm | 72% | 21 km/h |
| March | 10°C | 3°C | -4°C / 22°C | 57 mm | 70% | 19 km/h |
| April | 15°C | 8°C | -1°C / 26°C | 81 mm | 71% | 18 km/h |
| May | 19°C | 12°C | 5°C / 32°C | 86 mm | 77% | 15 km/h |
| June | 22°C | 17°C | 10°C / 35°C | 83 mm | 86% | 13 km/h |
| July | 26°C | 21°C | 13°C / 37°C | 120 mm | 87% | 11 km/h |
| August | 27°C | 22°C | 15°C / 37°C | 90 mm | 87% | 13 km/h |
| September | 24°C | 19°C | 9°C / 34°C | 91 mm | 84% | 13 km/h |
| October | 19°C | 13°C | 4°C / 29°C | 86 mm | 80% | 16 km/h |
| November | 14°C | 7°C | -3°C / 23°C | 41 mm | 75% | 16 km/h |
| December | 9°C | 2°C | -6°C / 20°C | 34 mm | 77% | 18 km/h |
Best time to visit Ichinoseki
The most comfortable time to visit Ichinoseki is generally June to July and September, balancing mild daytime temperatures against the driest stretch of the year. The city has strongly marked seasons and rain concentrates around July, totalling about 826 mm a year.
Travellers who prefer heat should aim for August, when highs average 27°C. July is the month to avoid if rain would spoil your plans — it averages 120 mm, roughly 5× the rainfall of the driest month (January).
Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Ichinoseki forecast for what is happening now.