Climate Insights for Kawaminami

Kōyu-gun, Miyazaki, Japan

Hottest
August
29°C peak
Coldest
January
8°C low
Wettest
June
369mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Kawaminami is warm and mild. The average annual temperature is 19°C and approximately 2260mm of precipitation falls per year. Kawaminami receives a notable amount of rainfall throughout the year, including during its driest month. Kawaminami 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, February, December, when temperatures can drop to 8°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 12° Average: 10° Min: 8° Feb Max: 13° Average: 11° Min: 8° Mar Max: 16° Average: 14° Min: 12° Apr Max: 19° Average: 18° Min: 15° May Max: 22° Average: 21° Min: 19° Jun Max: 25° Average: 23° Min: 22° Jul Max: 28° Average: 27° Min: 26° Aug Max: 29° Average: 28° Min: 27° Sep Max: 27° Average: 26° Min: 24° Oct Max: 23° Average: 22° Min: 20° Nov Max: 19° Average: 17° Min: 15° Dec Max: 14° Average: 12° Min: 10°
Max
Average
Min

Temperatures in Kawaminami vary considerably across the year, with a 21°C difference between the coldest and warmest months. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 8°C and an average of 10°C. Daily temperature variation is modest, with an average difference of 4°C between highs and lows. The sharpest temperature change occurs between November and December, with a 5°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: 73mm Feb Precipitation: 112mm Mar Precipitation: 159mm Apr Precipitation: 165mm May Precipitation: 218mm Jun Precipitation: 369mm Jul Precipitation: 271mm Aug Precipitation: 229mm Sep Precipitation: 313mm Oct Precipitation: 184mm Nov Precipitation: 102mm Dec Precipitation: 66mm
Precipitation

Kawaminami is a very wet location, receiving approximately 2260mm of precipitation annually, which averages out to around 188mm per month. The wettest month is June, averaging 369mm of rainfall. September and July also tend to see above-average precipitation. The driest month is December, with just 66mm. That's 303mm 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.

Wind

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

Kawaminami is moderately windy, with an average annual wind speed of 22km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in August, 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 4km/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 22km/h in winter, 22km/h in spring, 20km/h in summer, 23km/h in autumn.

Seasons

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

88 days until Summer

It is currently spring in Kawaminami, which began on March 20, 2026. Kawaminami 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 January near 8°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 12 to 22°C. Rainfall is heavy, totalling around 541mm across the season with a monthly average of 180mm. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 22 to 29°C. Rainfall is heavy, totalling around 869mm across the season with a monthly average of 290mm. Winds are moderate at around 20km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 15 to 27°C. Rainfall is heavy, totalling around 599mm across the season with a monthly average of 200mm. Winds are moderate at around 23km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 8 to 14°C. Precipitation is moderate at around 251mm for the season, averaging 84mm per month. Winds are moderate at around 22km/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 Kawaminami 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
8 °C
12 °C
22 km/h
73 mm
0 cm
Feb
8 °C
13 °C
24 km/h
112 mm
0 cm
Mar Current
12 °C
16 °C
24 km/h
159 mm
0 cm
Apr
15 °C
19 °C
23 km/h
165 mm
0 cm
May
19 °C
22 °C
20 km/h
218 mm
0 cm
Jun
22 °C
25 °C
20 km/h
369 mm
0 cm
Jul
26 °C
28 °C
20 km/h
271 mm
0 cm
Aug
27 °C
29 °C
20 km/h
229 mm
0 cm
Sep
24 °C
27 °C
23 km/h
313 mm
0 cm
Oct
20 °C
23 °C
24 km/h
184 mm
0 cm
Nov
15 °C
19 °C
22 km/h
102 mm
0 cm
Dec
10 °C
14 °C
21 km/h
66 mm
0 cm
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Metric (°C, km/h)