Climate Insights for Kerama Airport

Shimajiri-gun, Okinawa, Japan

Hottest
August
29°C peak
Coldest
January
17°C low
Wettest
June
276mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Kerama Airport is warm and mild. The average annual temperature is 24°C and approximately 2039mm of precipitation falls per year. Kerama Airport receives a notable amount of rainfall throughout the year, including during its driest month. Kerama Airport 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: 23° Average: 22° Min: 21° May Max: 25° Average: 24° Min: 24° Jun Max: 27° Average: 27° Min: 26° Jul Max: 29° Average: 29° Min: 28° Aug Max: 29° Average: 29° Min: 28° Sep Max: 29° Average: 28° Min: 27° Oct Max: 27° Average: 26° Min: 26° Nov Max: 24° Average: 23° Min: 23° Dec Max: 21° Average: 20° Min: 19°
Max
Average
Min

Kerama Airport 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 29°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: 124mm Feb Precipitation: 101mm Mar Precipitation: 126mm Apr Precipitation: 162mm May Precipitation: 242mm Jun Precipitation: 276mm Jul Precipitation: 167mm Aug Precipitation: 217mm Sep Precipitation: 179mm Oct Precipitation: 144mm Nov Precipitation: 143mm Dec Precipitation: 156mm
Precipitation

Kerama Airport is a very wet location, receiving approximately 2039mm of precipitation annually, which averages out to around 170mm per month. The wettest month is June, averaging 276mm of rainfall. May and August also tend to see above-average precipitation. The driest month is February, with just 101mm. That's 175mm 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: 27km/h Feb Wind Speed: 27km/h Mar Wind Speed: 25km/h Apr Wind Speed: 23km/h May Wind Speed: 21km/h Jun Wind Speed: 22km/h Jul Wind Speed: 23km/h Aug Wind Speed: 22km/h Sep Wind Speed: 23km/h Oct Wind Speed: 26km/h Nov Wind Speed: 28km/h Dec Wind Speed: 30km/h
Wind Speed

Kerama Airport is moderately windy, with an average annual wind speed of 25km/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 30km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in May, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/h gap 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 28km/h in winter, 23km/h in spring, 22km/h in summer, 26km/h in autumn.

Seasons

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

1 day until Autumn

It is currently summer in Kerama Airport, which began on June 21, 2026. Kerama Airport 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. Autumn is next, beginning on September 23, 2026 (1 days from now).

Spring

Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 530mm across the season with a monthly average of 177mm. Winds are moderate at around 23km/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 660mm across the season with a monthly average of 220mm. Winds are moderate at around 22km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 467mm across the season with a monthly average of 156mm. Winds are strong, averaging 26km/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 381mm across the season with a monthly average of 127mm. Winds are strong, averaging 28km/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 Kerama Airport 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
27 km/h
124 mm
0 cm
Feb
17 °C
20 °C
27 km/h
101 mm
0 cm
Mar
19 °C
21 °C
25 km/h
126 mm
0 cm
Apr
21 °C
23 °C
23 km/h
162 mm
0 cm
May
24 °C
25 °C
21 km/h
242 mm
0 cm
Jun
26 °C
27 °C
22 km/h
276 mm
0 cm
Jul
28 °C
29 °C
23 km/h
167 mm
0 cm
Aug
28 °C
29 °C
22 km/h
217 mm
0 cm
Sep Current
27 °C
29 °C
23 km/h
179 mm
0 cm
Oct
26 °C
27 °C
26 km/h
144 mm
0 cm
Nov
23 °C
24 °C
28 km/h
143 mm
0 cm
Dec
19 °C
21 °C
30 km/h
156 mm
0 cm
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Metric (°C, km/h)