Climate Insights for Amami

Amami Shi, Kagoshima-ken, Japan

Hottest
August
29°C peak
Coldest
February
15°C low
Wettest
June
386mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Amami is warm and mild. The average annual temperature is 22°C and approximately 2092mm of precipitation falls per year. Amami receives a notable amount of rainfall throughout the year, including during its driest month. Amami 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 February, January, December, when temperatures can drop to 15°C.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 17° Average: 16° Min: 15° Feb Max: 17° Average: 16° Min: 15° Mar Max: 19° Average: 18° Min: 17° Apr Max: 21° Average: 20° Min: 20° May Max: 24° Average: 23° Min: 22° Jun Max: 26° Average: 26° Min: 25° Jul Max: 29° Average: 28° Min: 27° Aug Max: 29° Average: 29° Min: 28° Sep Max: 28° Average: 28° Min: 27° Oct Max: 26° Average: 25° Min: 24° Nov Max: 23° Average: 22° Min: 21° Dec Max: 19° Average: 18° Min: 17°
Max
Average
Min

Amami sees moderate temperature variation throughout the year, ranging from 15°C to 29°C. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 29°C. February is the coolest month, with minimum temperatures around 15°C and an average of 16°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows. The sharpest temperature change occurs between November and December, with a 4°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 123mm Feb Precipitation: 115mm Mar Precipitation: 162mm Apr Precipitation: 152mm May Precipitation: 235mm Jun Precipitation: 386mm Jul Precipitation: 155mm Aug Precipitation: 167mm Sep Precipitation: 185mm Oct Precipitation: 139mm Nov Precipitation: 155mm Dec Precipitation: 118mm
Precipitation

Amami is a very wet location, receiving approximately 2092mm of precipitation annually, which averages out to around 174mm per month. The wettest month is June, averaging 386mm of rainfall. May and September also tend to see above-average precipitation. The driest month is February, with just 115mm. That's 271mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 25km/h Feb Wind Speed: 26km/h Mar Wind Speed: 23km/h Apr Wind Speed: 22km/h May Wind Speed: 20km/h Jun Wind Speed: 20km/h Jul Wind Speed: 21km/h Aug Wind Speed: 20km/h Sep Wind Speed: 21km/h Oct Wind Speed: 23km/h Nov Wind Speed: 24km/h Dec Wind Speed: 26km/h
Wind Speed

Amami is moderately windy, with an average annual wind speed of 23km/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 26km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in June, with average winds dropping to 20km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 6km/h between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 26km/h in winter, 22km/h in spring, 21km/h in summer, 23km/h in autumn.

Seasons

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

87 days until Winter

It is currently autumn in Amami, which began on September 23, 2026. Amami 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 29°C, while the coldest stretch bottoms out in February near 15°C. Winter is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 17 to 24°C. Rainfall is heavy, totalling around 550mm across the season with a monthly average of 183mm. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 708mm across the season with a monthly average of 236mm. Winds are moderate at around 21km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 479mm across the season with a monthly average of 160mm. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 15 to 19°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are strong, averaging 26km/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 Amami 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. 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
15 °C
17 °C
25 km/h
123 mm
0 cm
Feb
15 °C
17 °C
26 km/h
115 mm
0 cm
Mar
17 °C
19 °C
23 km/h
162 mm
0 cm
Apr
20 °C
21 °C
22 km/h
152 mm
0 cm
May
22 °C
24 °C
20 km/h
235 mm
0 cm
Jun
25 °C
26 °C
20 km/h
386 mm
0 cm
Jul
27 °C
29 °C
21 km/h
155 mm
0 cm
Aug
28 °C
29 °C
20 km/h
167 mm
0 cm
Sep Current
27 °C
28 °C
21 km/h
185 mm
0 cm
Oct
24 °C
26 °C
23 km/h
139 mm
0 cm
Nov
21 °C
23 °C
24 km/h
155 mm
0 cm
Dec
17 °C
19 °C
26 km/h
118 mm
0 cm
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Metric (°C, km/h)