Kagoshima weather by month
2006-2025, 20 years of records · Not a forecast
Kagoshima has one of the highest average annual temperatures among cities on Japan's main islands, so winters are comparatively mild. June is the wettest month, and August and September are typhoon season. Sakurajima is a volcano that erupts almost constantly, and ash falls on some days. Check the JMA ashfall information before hanging laundry or driving a rental car. The ferry from the city to Sakurajima takes about 15 minutes, runs every 15 to 20 minutes by day and operates around the clock.
Weighing daytime warmth against rain days, April, May and October came out as the easiest months. October was the quiet stretch with 7 rain days, against 16 in June.
Each month in a line
| January | chilly, occasional rain | 13° / 5° |
|---|---|---|
| February | crisp and chilly | 15° / 6° |
| March | cool | 18° / 9° |
| AprilGood | comfortably warm | 22° / 13° |
| MayGood | warm | 25° / 17° |
| June | properly hot, rain every other day | 28° / 21° |
| July | very hot | 32° / 25° |
| August | seriously hot | 33° / 26° |
| September | hot | 31° / 24° |
| OctoberGood | warm, rain here and there | 26° / 18° |
| November | cool and fresh, rain here and there | 21° / 12° |
| December | chilly, occasional rain | 15° / 7° |
The 12 months in numbers
Seasons differ a lot. Highs climbed from 13°C in January to 33°C in August.
| Month | High | Low | Rain days | Rainfall | Humidity | Clear days |
|---|---|---|---|---|---|---|
| January | 13° | 5° | 8 days | 67mm | 70% | 6 days |
| February | 15° | 6° | 11 days | 133mm | 71% | 5 days |
| March | 18° | 9° | 11 days | 163mm | 71% | 6 days |
| April | 22° | 13° | 10 days | 188mm | 72% | 5 days |
| May | 25° | 17° | 10 days | 236mm | 76% | 4 days |
| June | 28° | 21° | 16 days | 575mm | 83% | 1 day |
| July | 32° | 25° | 12 days | 368mm | 82% | 4 days |
| August | 33° | 26° | 11 days | 254mm | 80% | 6 days |
| September | 31° | 24° | 11 days | 202mm | 78% | 6 days |
| October | 26° | 18° | 7 days | 107mm | 74% | 11 days |
| November | 21° | 12° | 9 days | 109mm | 74% | 8 days |
| December | 15° | 7° | 9 days | 93mm | 71% | 6 days |
Enter your dates to see how that stretch went in each of the past 20 years.
Common questions
When is the best time to visit Kagoshima?
Weighing daytime warmth against rain days, April, May and October came out as the easiest months. October was the quiet stretch with 7 rain days, against 16 in June.
Which month is driest in Kagoshima?
October. Over 2006-2025 it averaged 7 rain days and 107 mm of rain.
Which month is warmest in Kagoshima?
August, with highs averaging 33°C and lows 26°C. Seasons differ a lot. Highs climbed from 13°C in January to 33°C in August.