Climate Insights for Hitoyoshi

Hitoyoshi Shi, Kumamoto, Japan

Hottest
August
30°C peak
Coldest
January
1°C low
Wettest
June
448mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Hitoyoshi is temperate. The average annual temperature is 16°C and approximately 2339mm of precipitation falls per year. Hitoyoshi receives a notable amount of rainfall throughout the year, including during its driest month. Hitoyoshi is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: August, July, September. The coldest months are January, December, February, when temperatures can drop to 1°C. Light snow can occur between January and December.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 9° Average: 5° Min: 1° Feb Max: 11° Average: 6° Min: 2° Mar Max: 15° Average: 10° Min: 6° Apr Max: 20° Average: 15° Min: 11° May Max: 23° Average: 19° Min: 15° Jun Max: 26° Average: 22° Min: 19° Jul Max: 29° Average: 26° Min: 23° Aug Max: 30° Average: 26° Min: 23° Sep Max: 28° Average: 24° Min: 21° Oct Max: 23° Average: 18° Min: 14° Nov Max: 17° Average: 12° Min: 8° Dec Max: 11° Average: 6° Min: 2°
Max
Average
Min

Temperatures in Hitoyoshi vary considerably across the year, with a 29°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 30°C and the mean temperature sits around 26°C. January is the coolest month, with minimum temperatures around 1°C and an average of 5°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows. The sharpest temperature change occurs between October and November, with a 6°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 79mm Snow: 6mm Feb Precipitation: 118mm Snow: 5mm Mar Precipitation: 169mm Snow: 0mm Apr Precipitation: 186mm Snow: 0mm May Precipitation: 260mm Snow: 0mm Jun Precipitation: 448mm Snow: 0mm Jul Precipitation: 344mm Snow: 0mm Aug Precipitation: 226mm Snow: 0mm Sep Precipitation: 206mm Snow: 0mm Oct Precipitation: 132mm Snow: 0mm Nov Precipitation: 100mm Snow: 0mm Dec Precipitation: 71mm Snow: 2mm
Precipitation
Snow

Hitoyoshi is a very wet location, receiving approximately 2339mm of precipitation annually, which averages out to around 195mm per month. The wettest month is June, averaging 448mm of rainfall. July and May also tend to see above-average precipitation. The driest month is December, with just 71mm. That's 377mm less than June, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic. Light snowfall can occur between January and December, totalling around 12cm annually. January is the snowiest month with approximately 6cm.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 9km/h Mar Wind Speed: 8km/h Apr Wind Speed: 8km/h May Wind Speed: 7km/h Jun Wind Speed: 7km/h Jul Wind Speed: 7km/h Aug Wind Speed: 7km/h Sep Wind Speed: 7km/h Oct Wind Speed: 7km/h Nov Wind Speed: 7km/h Dec Wind Speed: 8km/h
Wind Speed

Hitoyoshi is relatively calm, with an average annual wind speed of 7km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in October, with average winds dropping to 7km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

7 days until Autumn

It is currently summer in Hitoyoshi, which began on June 21, 2026. Hitoyoshi is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in August at around 30°C, while the coldest stretch bottoms out in January near 1°C. Autumn is next, beginning on September 23, 2026 (7 days from now).

Spring

Temperatures range from 6 to 23°C. Rainfall is heavy, totalling around 615mm across the season with a monthly average of 205mm. Winds are generally light, averaging 8km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 19 to 30°C. Rainfall is heavy, totalling around 1018mm across the season with a monthly average of 339mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 8 to 28°C. Rainfall is heavy, totalling around 438mm across the season with a monthly average of 146mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 1 to 11°C. Precipitation is moderate at around 268mm for the season, averaging 89mm per month. Expect around 12cm of snow accumulation during this period. Winds are generally light, averaging 8km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Hitoyoshi based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
1 °C
9 °C
8 km/h
79 mm
6 cm
Feb
2 °C
11 °C
9 km/h
118 mm
5 cm
Mar
6 °C
15 °C
8 km/h
169 mm
0 cm
Apr
11 °C
20 °C
8 km/h
186 mm
0 cm
May
15 °C
23 °C
7 km/h
260 mm
0 cm
Jun
19 °C
26 °C
7 km/h
448 mm
0 cm
Jul
23 °C
29 °C
7 km/h
344 mm
0 cm
Aug
23 °C
30 °C
7 km/h
226 mm
0 cm
Sep Current
21 °C
28 °C
7 km/h
206 mm
0 cm
Oct
14 °C
23 °C
7 km/h
132 mm
0 cm
Nov
8 °C
17 °C
7 km/h
100 mm
0 cm
Dec
2 °C
11 °C
8 km/h
71 mm
2 cm
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Metric (°C, km/h)