Kirishima Weather & Climate: Best Time to Visit

The climate in Kirishima is known for significant temperature differences throughout the year, making the weather dynamic. Average maximum daytime temperatures range from a very warm 32°C (90°F) in August, the warmest time of the year, to a moderate 12°C (54°F) during cooler months like January.

At night, you can expect temperatures ranging from 24°C (75°F) in August to around 2°C (36°F) during January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Kirishima has a notably wet climate with abundant precipitation, recording 2289 mm (90 in) of rain/snowfall per year. Significant seasonal changes in precipitation occur throughout the year. In the wettest month, June it receives heavy rainfall, averaging 515 mm (20 in) of precipitation, recorded across 20 rainy days. In contrast, the driest month December brings less rainfall, with 83 mm (3.3 in) over 15 rainy days. For more details, please visit our Kirishima Precipitation page.

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

The average number of days each month with precipitation

Seasonal changes in sunshine hours are quite dramatic in Kirishima. While August receives considerable daily sunshine with up to 7.0 hours, June marks the darkest time of the year, where sunshine is scarce with only 3.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The relative humidity is high throughout the year in Kirishima.

The city experiences its highest humidity in June, reaching 77%. In February, the humidity drops to its lowest level at 65%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year