Climate Insights for Kadena

Nakagami-gun, Okinawa, Japan

Hottest
August
29°C peak
Coldest
January
17°C low
Wettest
June
255mm rain
Best to Visit
February
Mild temps & low rain

Climate Overview

The climate in Kadena is warm and mild. The average annual temperature is 24°C and approximately 1962mm of precipitation falls per year. Kadena receives a notable amount of rainfall throughout the year, including during its driest month. Kadena 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, March, when temperatures can drop to 17°C.

Temperature

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

Kadena sees moderate temperature variation throughout the year, ranging from 17°C to 29°C. 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 17°C and an average of 18°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 3°C shift in average temperatures.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 109mm Feb Precipitation: 94mm Mar Precipitation: 110mm Apr Precipitation: 148mm May Precipitation: 241mm Jun Precipitation: 255mm Jul Precipitation: 166mm Aug Precipitation: 216mm Sep Precipitation: 197mm Oct Precipitation: 147mm Nov Precipitation: 116mm Dec Precipitation: 164mm
Precipitation

Kadena is a fairly wet location, receiving approximately 1962mm of precipitation annually, which averages out to around 164mm per month. The wettest month is June, averaging 255mm of rainfall. May and August also tend to see above-average precipitation. The driest month is February, with just 94mm. That's 160mm less than June, the wettest month. Precipitation varies noticeably between seasons, with the second half (July to December) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h 20km/h 25km/h 30km/h 35km/h 40km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 34km/h Feb Wind Speed: 34km/h Mar Wind Speed: 32km/h Apr Wind Speed: 30km/h May Wind Speed: 28km/h Jun Wind Speed: 30km/h Jul Wind Speed: 29km/h Aug Wind Speed: 29km/h Sep Wind Speed: 30km/h Oct Wind Speed: 33km/h Nov Wind Speed: 34km/h Dec Wind Speed: 37km/h
Wind Speed

Kadena is very windy, with an average annual wind speed of 32km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is December, averaging 37km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in May, with average winds dropping to 28km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 9km/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 35km/h in winter, 30km/h in spring, 29km/h in summer, 32km/h in autumn.

Seasons

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

89 days until Summer

It is currently spring in Kadena, which began on March 20, 2026. Kadena 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 17°C. Summer is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 498mm across the season with a monthly average of 166mm. Winds are strong, averaging 30km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 637mm across the season with a monthly average of 212mm. Winds are strong, averaging 29km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 460mm across the season with a monthly average of 153mm. Winds are strong, averaging 32km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 17 to 21°C. Rainfall is heavy, totalling around 367mm across the season with a monthly average of 122mm. Winds are strong, averaging 35km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 18°
Feb 19°
Mar 20°
Apr 22°
May 24°
Jun 27°
Jul 28°
Aug 28°
Sep 28°
Oct 26°
Nov 23°
Dec 20°

The best time to visit Kadena is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 94mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to 17°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Kadena 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
17 °C
19 °C
34 km/h
109 mm
0 cm
Feb
17 °C
20 °C
34 km/h
94 mm
0 cm
Mar Current
19 °C
21 °C
32 km/h
110 mm
0 cm
Apr
21 °C
22 °C
30 km/h
148 mm
0 cm
May
23 °C
25 °C
28 km/h
241 mm
0 cm
Jun
26 °C
27 °C
30 km/h
255 mm
0 cm
Jul
28 °C
29 °C
29 km/h
166 mm
0 cm
Aug
28 °C
29 °C
29 km/h
216 mm
0 cm
Sep
27 °C
28 °C
30 km/h
197 mm
0 cm
Oct
25 °C
27 °C
33 km/h
147 mm
0 cm
Nov
23 °C
24 °C
34 km/h
116 mm
0 cm
Dec
19 °C
21 °C
37 km/h
164 mm
0 cm
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Metric (°C, km/h)