Weather radar Osaka
Real-time precipitation radar · Kansai · Japan
Osaka climate table – average temperature, precipitation & sunshine hours
The climate table for Osaka 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) | 9.9° | 10.9° | 15.9° | 21.2° | 24.3° | 28.2° | 33.1° | 34.1° | 31.3° | 24.4° | 18.5° | 12.5° |
| Avg low (°C) | 2.6° | 3° | 6.8° | 11.7° | 16° | 21.1° | 26.1° | 26.9° | 24.1° | 16.5° | 10° | 4.7° |
| Precipitation (mm) | 44 | 57 | 118 | 146 | 205 | 220 | 219 | 192 | 129 | 129 | 78 | 38 |
| Rainy days | 6 | 7 | 11 | 10 | 12 | 13 | 14 | 14 | 12 | 11 | 6 | 5 |
| Sunshine hours | 237 | 225 | 253 | 265 | 266 | 261 | 309 | 304 | 260 | 251 | 236 | 242 |
| Humidity | 70% | 68% | 67% | 65% | 69% | 74% | 74% | 72% | 72% | 72% | 72% | 70% |
Best time to visit Osaka
The best time to visit Osaka is typically December. In this month the average high is 12.5°C, precipitation is 38 mm and sunshine duration is 242 hours. The annual average high is 22°C, total annual precipitation is 1575 mm (121 rainy days/year) and annual sunshine is 3109 hours.
Frequently asked questions about the weather in Osaka
How up to date is the weather radar for Osaka?
The weather radar for Osaka 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 Osaka?
Besides the rain radar, RadarWeather provides for Osaka: 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 Osaka?
The thunderstorm potential for Osaka 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 Osaka.
What is the climate like in Osaka?
Osaka has an annual average high of 22°C. The warmest month is August (avg high 34.1°C), the coldest January (avg low 2.6°C). The wettest month is June with 220 mm, the driest December with 38 mm. Total annual precipitation is 1575 mm (121 rainy days). Annual sunshine is 3109 hours.