Weather radar Kumamoto
Real-time precipitation radar · Kumamoto · Japan
Kumamoto climate table – average temperature, precipitation & sunshine hours
The climate table for Kumamoto shows long-term monthly averages (2000–2023): average high and average low temperature in °C, monthly precipitation (mm), rainy days and sunshine hours per month. Data source: ERA5 reanalysis (ECMWF) via the WDTEC Climate Archive.
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 10.8° | 12.1° | 16.9° | 21.2° | 24° | 27.3° | 31.5° | 32.1° | 30.5° | 25.1° | 19.2° | 12.5° |
| Avg low (°C) | 4.5° | 5.5° | 9.5° | 13.5° | 17° | 21.7° | 26° | 26.4° | 24.5° | 17.9° | 11.7° | 6° |
| Precipitation (mm) | 62 | 99 | 156 | 144 | 246 | 339 | 204 | 298 | 131 | 68 | 86 | 53 |
| Rainy days | 10 | 10 | 13 | 12 | 14 | 17 | 15 | 17 | 12 | 9 | 8 | 9 |
| Sunshine hours | 221 | 202 | 235 | 234 | 243 | 209 | 282 | 291 | 262 | 255 | 229 | 223 |
| Humidity | 70% | 70% | 72% | 72% | 75% | 81% | 80% | 79% | 78% | 73% | 73% | 71% |
Best time to visit Kumamoto
The best time to visit Kumamoto is typically October. In this month the average high is 25.1°C, precipitation is 68 mm and sunshine duration is 255 hours. The annual average high is 21.9°C, total annual precipitation is 1886 mm (146 rainy days/year) and annual sunshine is 2886 hours.
Frequently asked questions about the weather in Kumamoto
How up to date is the weather radar for Kumamoto?
The weather radar for Kumamoto is updated every 5 minutes with new radar data from the OPERA composite radar. A 2-hour forecast animation is also available. Rainfall probability, wind gusts and UV index are available up to 14 days in advance.
What weather data is available for Kumamoto?
Besides the rain radar, RadarWeather provides for Kumamoto: rainfall probability, thunderstorm warning (CAPE index), wind gusts, UV index, air pressure, humidity, dew point, sunshine hours, snow line and a 14-day forecast based on ICON-D2, ECMWF IFS and GFS.
When are thunderstorms expected in Kumamoto?
The thunderstorm potential for Kumamoto is calculated from the CAPE index and lightning potential. Active storm cells and severe weather warnings are visible on the radar map in real time. Thunderstorm warnings are issued automatically as soon as storm cells are detected near Kumamoto.
What is the climate like in Kumamoto?
Kumamoto has an annual average high of 21.9°C. The warmest month is August (avg high 32.1°C), the coldest January (avg low 4.5°C). The wettest month is June with 339 mm, the driest December with 53 mm. Total annual precipitation is 1886 mm (146 rainy days). Annual sunshine is 2886 hours.