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Miyakonojō, Miyazaki Weather by Month and Climate Averages
Monthly normals · Rain · Snow
Sunshine · Freeze dates · Records · Best time to visit
What is the weather like in Miyakonojō, Miyazaki?
Miyakonojō, Miyazaki gets 2384 mm of precipitation a year over about 108 rainy days. August is the warmest month (average high 32°C) and January the coldest (average low 0°C).
Humid subtropical climate
Miyakonojō, Miyazaki has hot summers and mild winters. Daytime highs range from about 12°C in January to 32°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 | 1° | 13° |
| Spring | Mar–May | 9° | 22° |
| Summer | Jun–Aug | 22° | 31° |
| Autumn | Sep–Nov | 14° | 24° |
How much rain does Miyakonojō get?
Miyakonojō gets 2384 mm of precipitation in an average year, spread over about 108 days with measurable rain. That is fewer rainy days than 57% of Japan.
June is the wettest month, with 536 mm. January is the driest, with 54 mm. June has the most rainy days, about 15.
The longest dry spell in the last five years lasted 22 days, to January 12, 2023.
From October 2025 to September 2026 Miyakonojō got 4310 mm of rain, against a normal of 2384 mm for those months. July 2026 had the most, with 2587 mm.
Miyakonojō weather by month
Miyakonojō weather in January
In January, Miyakonojō averages a high of 12°C and a low of 0°C. It gets 54 mm of precipitation over about 5 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The January record high is 23°C (1989) and the record low is -10°C (1970).
Miyakonojō weather in February
In February, Miyakonojō averages a high of 14°C and a low of 2°C. It gets 98 mm of precipitation over about 8 rainy days. Estimated sunshine is 40% of daylight hours, derived from ERA5 cloud cover. The February record high is 23°C (2014) and the record low is -7°C (1977).
Miyakonojō weather in March
In March, Miyakonojō averages a high of 17°C and a low of 4°C. It gets 135 mm of precipitation over about 9 rainy days. Estimated sunshine is 37% of daylight hours, derived from ERA5 cloud cover. The March record high is 27°C (2022) and the record low is -5°C (1974). March is one of the most comfortable months to visit.
Miyakonojō weather in April
In April, Miyakonojō averages a high of 22°C and a low of 9°C. It gets 159 mm of precipitation over about 8 rainy days. Estimated sunshine is 32% of daylight hours, derived from ERA5 cloud cover. The April record high is 31°C (2004) and the record low is -3°C (1972). April is one of the most comfortable months to visit.
Miyakonojō weather in May
In May, Miyakonojō averages a high of 26°C and a low of 14°C. It gets 181 mm of precipitation over about 9 rainy days. Estimated sunshine is 24% of daylight hours, derived from ERA5 cloud cover. The May record high is 34°C (2000) and the record low is 3°C (2000). May is one of the most comfortable months to visit.
Miyakonojō weather in June
In June, Miyakonojō averages a high of 27°C and a low of 19°C. It gets 536 mm of precipitation over about 15 rainy days. Estimated sunshine is 14% of daylight hours, derived from ERA5 cloud cover. The June record high is 34°C (2011) and the record low is 11°C (1972).
Miyakonojō weather in July
In July, Miyakonojō averages a high of 32°C and a low of 23°C. It gets 414 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 (1994) and the record low is 15°C (1982).
Miyakonojō weather in August
In August, Miyakonojō averages a high of 32°C and a low of 23°C. It gets 272 mm of precipitation over about 12 rainy days. Estimated sunshine is 34% of daylight hours, derived from ERA5 cloud cover. The August record high is 39°C (2020) and the record low is 17°C (1988).
Miyakonojō weather in September
In September, Miyakonojō averages a high of 29°C and a low of 20°C. It gets 262 mm of precipitation over about 11 rainy days. Estimated sunshine is 33% of daylight hours, derived from ERA5 cloud cover. The September record high is 35°C (1997) and the record low is 8°C (1972).
Miyakonojō weather in October
In October, Miyakonojō averages a high of 25°C and a low of 14°C. It gets 121 mm of precipitation over about 6 rainy days. Estimated sunshine is 48% of daylight hours, derived from ERA5 cloud cover. The October record high is 34°C (2016) and the record low is -1°C (1970). October is one of the most comfortable months to visit.
Miyakonojō weather in November
In November, Miyakonojō averages a high of 19°C and a low of 8°C. It gets 87 mm of precipitation over about 7 rainy days. Estimated sunshine is 52% of daylight hours, derived from ERA5 cloud cover. The November record high is 28°C (1996) and the record low is -4°C (1976). November is one of the most comfortable months to visit.
Miyakonojō weather in December
In December, Miyakonojō averages a high of 14°C and a low of 2°C. It gets 64 mm of precipitation over about 5 rainy days. Estimated sunshine is 59% of daylight hours, derived from ERA5 cloud cover. The December record high is 23°C (2018) and the record low is -8°C (1973).
Sunshine, humidity and wind in Miyakonojō
December is the sunniest month in Miyakonojō, with estimated sunshine of 59% of daylight hours from ERA5 cloud cover. June is the cloudiest, at 14%. The annual cloud-cover estimate is 37% of daylight hours; it is not a measurement of sunshine duration. Miyakonojō is cloudier than 58% of Japan.
Humidity peaks in June at 83% and is lowest in April at 70%.
Miyakonojō has about 32 days a year above 32°C. Miyakonojō is hotter than 85% of Japan.
First and last freeze in Miyakonojō
The first fall freeze in Miyakonojō typically comes around December 3, and the last spring freeze around March 11. That leaves a frost-free growing season of about 267 days.
Miyakonojō weather records
These records cover MIYAKONOJO during 1970–2026. Earlier records or other stations in the city may differ.
The hottest temperature on record at the Miyakonojō station is 39°C, on August 18, 2020. The coldest is -10°C, on January 18, 1970.
The wettest day in the available station history brought 570 mm of precipitation, on July 12, 2026.
45 all-time records have been set at the station since 1970.
The best time to visit Miyakonojō
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 13°C and lows near 1°C.
Spring (March–May) is warm, with average highs around 21°C and lows near 9°C.
Summer (June–August) is hot, with average highs around 30°C and lows near 22°C. It can feel humid.
Autumn (September–November) is warm, with average highs around 25°C and lows near 14°C.
Monthly climate
| Month | Average low | Average high | Precip | Rain days | Humidity | Estimated sunshine | Record high | Record low |
|---|---|---|---|---|---|---|---|---|
| January | 0° | 12° | 54 mm | 5 | 74% | 52% | 23° | -10° |
| February | 2° | 14° | 98 mm | 8 | 72% | 40% | 23° | -7° |
| March | 4° | 17° | 135 mm | 9 | 72% | 37% | 27° | -5° |
| April | 9° | 22° | 159 mm | 8 | 70% | 32% | 31° | -3° |
| May | 14° | 26° | 181 mm | 9 | 75% | 24% | 34° | 3° |
| June | 19° | 27° | 536 mm | 15 | 83% | 14% | 34° | 11° |
| July | 23° | 32° | 414 mm | 13 | 83% | 21% | 37° | 15° |
| August | 23° | 32° | 272 mm | 12 | 81% | 34% | 39° | 17° |
| September | 20° | 29° | 262 mm | 11 | 81% | 33% | 35° | 8° |
| October | 14° | 25° | 121 mm | 6 | 76% | 48% | 34° | -1° |
| November | 8° | 19° | 87 mm | 7 | 76% | 52% | 28° | -4° |
| December | 2° | 14° | 64 mm | 5 | 73% | 59% | 23° | -8° |
Station: MIYAKONOJO, 2 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.
Miyakonojō climate questions
How much rain does Miyakonojō get?
Miyakonojō gets 2384 mm of precipitation in an average year, over about 108 rainy days.
What is the wettest month in Miyakonojō?
June is the wettest month in Miyakonojō, with 536 mm. January is the driest, with 54 mm.
How many rainy days does Miyakonojō have a year?
Miyakonojō has about 108 days with measurable rain in an average year. June has the most, about 15.
What is the hottest month in Miyakonojō?
August is the warmest month in Miyakonojō, with an average high of 32°C.
What is the coldest month in Miyakonojō?
January is the coldest month in Miyakonojō, with an average low of 0°C.
What is the record high temperature in Miyakonojō?
Within the available 1970–2026 station history, the record high at the Miyakonojō station is 39°C, set on August 18, 2020. The record low is -10°C, on January 18, 1970.
What is the sunniest month in Miyakonojō?
December is the sunniest month in Miyakonojō, with estimated sunshine of 59% of daylight hours from ERA5 cloud cover. June is the cloudiest.
When is the first frost in Miyakonojō?
The first fall freeze in Miyakonojō typically comes around December 3. The last spring freeze is around March 11.
What is the best time to visit Miyakonojō?
The most comfortable time to visit is typically March to May and October to November, when daytime highs sit near 22°C.