Minamioguni Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Minamioguni.

Climate overview of Minamioguni

The climate in Minamioguni, Kumamoto, Japan, is marked by large temperature swings across the seasons, ranging from 31°C (88°F) in August to 9°C (48°F) in January.

With around 1958 mm (77 in) of annual rain/snowfall, Minamioguni has a notably wet climate. However, this rain/snowfall is not evenly distributed — the city has a distinct rainy season from June to September. The wettest month is June. The sunniest month is August, with 6.9 hours of sunshine per day on average.

Minamioguni Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Minamioguni — and find the best time to visit.

Monthly Temperature in Minamioguni

In Minamioguni, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a very warm 31°C (88°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 22°C (72°F) in August to -1°C (30°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Minamioguni

Minamioguni experiences significant rain/snowfall throughout the year, averaging 1958 mm (77 in) of precipitation annually. Minamioguni can be quite wet during June, receiving approximately 399 mm (16 in) of precipitation over 19 rainy days.

In contrast, during the driest month (December), you will experience much drier conditions, with 72 mm (2.8 in) of precipitation spread across 16 rainy days days. For more details, please visit our Minamioguni Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

Sunshine Hours in Minamioguni

Minamioguni experiences moderate variation in sunshine hours across the seasons. With 6.9 hours daily sunshine in August, it dips to 4.4 hours in June, offering a balanced mix of sunny and overcast days.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Kumamoto, Japan (46 KM, 28 Miles).

Daily hours of sunshine

Data from: Kumamoto, Japan (46 KM, 28 Miles).

Humidity in Minamioguni by Month

Best Time to Visit Minamioguni

The best time to visit Minamioguni is during April, October and November, when the weather provides comfortable temperatures between 17°C (62°F) and 23°C (73°F). With rainfall of 83 mm (3.3 in) to 159 mm (6.3 in), you can expect pleasant weather during your visit in these months.

Be prepared for heavier rainfall during May, June, July, August and September, the wettest period of the year.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Minamioguni

What is the best time to visit Minamioguni?

April, May and October typically offer the most optimal weather in Minamioguni. In contrast, January, February, June and July tend to have less optimal conditions. Minamioguni has a distinct rainy season from June to September.

What temperatures can I expect in Minamioguni?

Daytime highs range from 9°C (48°F) in January to 31°C (88°F) in August. Nighttime lows range from -1°C (30°F) to 22°C (72°F). Temperatures vary considerably through the year.

How much rain does Minamioguni get?

Annual rainfall is around 1958 mm (77 in). June is the wettest month with 399 mm (16 in), while December is the driest with 72 mm (2.8 in).

How sunny is Minamioguni?

Minamioguni receives around 2,014 hours of sunshine per year. August is the sunniest month with 208 hours, while June is the cloudiest with just 131 hours. Overall, Minamioguni enjoys abundant sunshine.

Minamioguni 3-Day Forecast

Minamioguni 3-Day Forecast

Minamioguni on the map

Minamioguni is highlighted — select any city to see its climate.

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Where to go in June — average daytime high across popular destinations.

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