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Kirishima, Kagoshima Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Kirishima, Kagoshima?
Kirishima, Kagoshima gets 2330 mm of precipitation a year over about 124 rainy days. August is the warmest month (average high 33°C) and January the coldest (average low 4°C).
Humid subtropical climate
Kirishima, Kagoshima has hot summers and mild winters. Daytime highs range from about 13°C in January to 33°C in August. June is usually the wettest month. The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 22°C.
| Season | Months | Avg low | Avg high |
|---|---|---|---|
| Winter | Dec–Feb | 5° | 14° |
| Spring | Mar–May | 12° | 22° |
| Summer | Jun–Aug | 24° | 31° |
| Autumn | Sep–Nov | 17° | 26° |
How much rain does Kirishima get?
Kirishima gets 2330 mm of precipitation in an average year, spread over about 124 days with measurable rain. That is more rainy days than 62% of Japan.
June is the wettest month, with 563 mm. January is the driest, with 73 mm. June has the most rainy days, about 16.
The longest dry spell in the last five years lasted 13 days, to August 2, 2026.
From October 2025 to September 2026 Kirishima got 4479 mm of rain, against a normal of 2330 mm for those months. September 2026 had the most, with 3242 mm.
Kirishima weather by month
Kirishima weather in January
In January, Kirishima averages a high of 13°C and a low of 4°C. It gets 73 mm of precipitation over about 10 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The January record high is 22°C (2002) and the record low is -6°C (2016).
Kirishima weather in February
In February, Kirishima averages a high of 14°C and a low of 5°C. It gets 101 mm of precipitation over about 9 rainy days. Estimated sunshine is 38% of daylight hours, derived from ERA5 cloud cover. The February record high is 24°C (2010) and the record low is -6°C (1977).
Kirishima weather in March
In March, Kirishima averages a high of 18°C and a low of 8°C. It gets 153 mm of precipitation over about 12 rainy days. Estimated sunshine is 36% of daylight hours, derived from ERA5 cloud cover. The March record high is 28°C (2009) and the record low is -2°C (1974). March is one of the most comfortable months to visit.
Kirishima weather in April
In April, Kirishima averages a high of 22°C and a low of 12°C. It gets 190 mm of precipitation over about 10 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The April record high is 30°C (2004) and the record low is 0°C (1972). April is one of the most comfortable months to visit.
Kirishima weather in May
In May, Kirishima averages a high of 26°C and a low of 17°C. It gets 194 mm of precipitation over about 10 rainy days. Estimated sunshine is 25% of daylight hours, derived from ERA5 cloud cover. The May record high is 32°C (2015) and the record low is 7°C (1981). May is one of the most comfortable months to visit.
Kirishima weather in June
In June, Kirishima averages a high of 28°C and a low of 21°C. It gets 563 mm of precipitation over about 16 rainy days. Estimated sunshine is 15% of daylight hours, derived from ERA5 cloud cover. The June record high is 34°C (2001) and the record low is 13°C (1972).
Kirishima weather in July
In July, Kirishima averages a high of 32°C and a low of 25°C. It gets 341 mm of precipitation over about 13 rainy days. Estimated sunshine is 21% of daylight hours, derived from ERA5 cloud cover. The July record high is 37°C (2026) and the record low is 18°C (2026).
Kirishima weather in August
In August, Kirishima averages a high of 33°C and a low of 26°C. It gets 219 mm of precipitation over about 11 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The August record high is 38°C (2026) and the record low is 19°C (1986).
Kirishima weather in September
In September, Kirishima averages a high of 31°C and a low of 23°C. It gets 211 mm of precipitation over about 10 rainy days. Estimated sunshine is 35% of daylight hours, derived from ERA5 cloud cover. The September record high is 36°C (2011) and the record low is 11°C (1973).
Kirishima weather in October
In October, Kirishima averages a high of 26°C and a low of 17°C. It gets 98 mm of precipitation over about 7 rainy days. Estimated sunshine is 51% of daylight hours, derived from ERA5 cloud cover. The October record high is 33°C (2025) and the record low is 3°C (1970). October is one of the most comfortable months to visit.
Kirishima weather in November
In November, Kirishima averages a high of 21°C and a low of 12°C. It gets 95 mm of precipitation over about 8 rainy days. Estimated sunshine is 50% of daylight hours, derived from ERA5 cloud cover. The November record high is 29°C (2003) and the record low is -1°C (1976). November is one of the most comfortable months to visit.
Kirishima weather in December
In December, Kirishima averages a high of 16°C and a low of 6°C. It gets 91 mm of precipitation over about 9 rainy days. Estimated sunshine is 53% of daylight hours, derived from ERA5 cloud cover. The December record high is 24°C (1992) and the record low is -3°C (1973).
Sunshine, humidity and wind in Kirishima
December is the sunniest month in Kirishima, with estimated sunshine of 53% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 15%. The annual cloud-cover estimate is 37% of daylight hours; it is not a measurement of sunshine duration. Kirishima is cloudier than 63% of Japan.
Humidity peaks in July at 83% and is lowest in April at 71%.
Kirishima has about 41 days a year above 32°C. Kirishima is hotter than 97% of Japan.
First and last freeze in Kirishima
The first fall freeze in Kirishima typically comes around December 22, and the last spring freeze around February 18. That leaves a frost-free growing season of about 307 days.
Kirishima weather records
These records cover KAGOSHIMA during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Kirishima station is 38°C, on August 3, 2026. The coldest is -6°C, on February 17, 1977.
The wettest day in the available station history brought 421 mm of precipitation, on September 20, 2026.
45 all-time records have been set at the station since 1970.
The best time to visit Kirishima
The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 22°C.
Winter (December–February) is mild, with average highs around 14°C and lows near 5°C.
Spring (March–May) is warm, with average highs around 22°C and lows near 12°C.
Summer (June–August) is hot, with average highs around 31°C and lows near 24°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 26°C and lows near 17°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 4° | 13° | 73 mm | 10 | 75% | 48% | 22° | -6° |
| February | 5° | 14° | 101 mm | 9 | 73% | 38% | 24° | -6° |
| March | 8° | 18° | 153 mm | 12 | 73% | 36% | 28° | -2° |
| April | 12° | 22° | 190 mm | 10 | 71% | 32% | 30° | 0° |
| May | 17° | 26° | 194 mm | 10 | 75% | 25% | 32° | 7° |
| June | 21° | 28° | 563 mm | 16 | 82% | 15% | 34° | 13° |
| July | 25° | 32° | 341 mm | 13 | 83% | 21% | 37° | 18° |
| August | 26° | 33° | 219 mm | 11 | 81% | 35% | 38° | 19° |
| September | 23° | 31° | 211 mm | 10 | 80% | 35% | 36° | 11° |
| October | 17° | 26° | 98 mm | 7 | 76% | 51% | 33° | 3° |
| November | 12° | 21° | 95 mm | 8 | 77% | 50% | 29° | -1° |
| December | 6° | 16° | 91 mm | 9 | 74% | 53% | 24° | -3° |
Station: KAGOSHIMA, 29 km from the city. Temperature normal baseline: 1991–2020, calculated from available NOAA GHCN-Daily observations. Available station history: 1970–2026; record values refer to this station and period, not the entire city’s history. Precipitation includes rain and the water equivalent of frozen precipitation; snowfall depth is shown separately when available. Sources and methods
From ERA5 reanalysis. Sunshine is estimated from cloud cover.
Kirishima climate questions
How much rain does Kirishima get?
Kirishima gets 2330 mm of precipitation in an average year, over about 124 rainy days.
What is the wettest month in Kirishima?
June is the wettest month in Kirishima, with 563 mm. January is the driest, with 73 mm.
How many rainy days does Kirishima have a year?
Kirishima has about 124 days with measurable rain in an average year. June has the most, about 16.
What is the hottest month in Kirishima?
August is the warmest month in Kirishima, with an average high of 33°C.
What is the coldest month in Kirishima?
January is the coldest month in Kirishima, with an average low of 4°C.
What is the record high temperature in Kirishima?
Within the available 1970–2026 station history, the record high at the Kirishima station is 38°C, set on August 3, 2026. The record low is -6°C, on February 17, 1977.
What is the sunniest month in Kirishima?
December is the sunniest month in Kirishima, with estimated sunshine of 53% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Kirishima?
The first fall freeze in Kirishima typically comes around December 22. The last spring freeze is around February 18.
What is the best time to visit Kirishima?
The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 22°C.