Weather radar Nagasaki
Real-time precipitation radar · Nagasaki · Japan
Nagasaki climate table – average temperature, precipitation & sunshine hours
The climate table for Nagasaki 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) | 10.5° | 11.2° | 15.1° | 18.7° | 21.4° | 24.8° | 29.1° | 29.9° | 28.7° | 23.8° | 18.5° | 12.5° |
| Avg low (°C) | 6.8° | 7.2° | 10.7° | 14.2° | 17.5° | 21.7° | 26° | 26.9° | 25.1° | 19.8° | 14.5° | 8.8° |
| Precipitation (mm) | 69 | 103 | 162 | 154 | 282 | 378 | 255 | 380 | 180 | 72 | 101 | 59 |
| Rainy days | 11 | 11 | 12 | 13 | 12 | 14 | 17 | 17 | 14 | 8 | 9 | 10 |
| Sunshine hours | 208 | 199 | 244 | 252 | 260 | 225 | 305 | 309 | 275 | 264 | 229 | 202 |
| Humidity | 67% | 69% | 74% | 76% | 80% | 86% | 86% | 84% | 81% | 72% | 69% | 67% |
Best time to visit Nagasaki
The best time to visit Nagasaki is typically October. In this month the average high is 23.8°C, precipitation is 72 mm and sunshine duration is 264 hours. The annual average high is 20.4°C, total annual precipitation is 2195 mm (148 rainy days/year) and annual sunshine is 2972 hours.
Frequently asked questions about the weather in Nagasaki
How up to date is the weather radar for Nagasaki?
The weather radar for Nagasaki 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 Nagasaki?
Besides the rain radar, RadarWeather provides for Nagasaki: 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 Nagasaki?
The thunderstorm potential for Nagasaki 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 Nagasaki.
What is the climate like in Nagasaki?
Nagasaki has an annual average high of 20.4°C. The warmest month is August (avg high 29.9°C), the coldest January (avg low 6.8°C). The wettest month is August with 380 mm, the driest December with 59 mm. Total annual precipitation is 2195 mm (148 rainy days). Annual sunshine is 2972 hours.