Climate Insights for Kerama Airport

Shimajiri-gun, Okinawa, Japan

Hottest
August
29°C peak
Coldest
January
18°C low
Wettest
June
238mm rain
Best to Visit
February
Mild temps & low rain

Climate Overview

The climate in Kerama Airport is warm and mild. The average annual temperature is 24°C and approximately 1935mm 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 18°C.

Temperature

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

Kerama Airport sees moderate temperature variation throughout the year, ranging from 18°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 18°C and an average of 19°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 111mm Feb Precipitation: 98mm Mar Precipitation: 111mm Apr Precipitation: 135mm May Precipitation: 227mm Jun Precipitation: 238mm Jul Precipitation: 167mm Aug Precipitation: 216mm Sep Precipitation: 190mm Oct Precipitation: 148mm Nov Precipitation: 120mm Dec Precipitation: 173mm
Precipitation

Kerama Airport is a fairly wet location, receiving approximately 1935mm of precipitation annually, which averages out to around 161mm per month. The wettest month is June, averaging 238mm of rainfall. May and August also tend to see above-average precipitation. The driest month is February, with just 98mm. That's 140mm less than June, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

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

Kerama Airport 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

88 days until Summer

It is currently spring in Kerama Airport, which began on March 20, 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 18°C. Summer is next, beginning on June 21, 2026 — 88 days from now.

Spring

Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 473mm across the season with a monthly average of 158mm. 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 620mm across the season with a monthly average of 207mm. 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 458mm 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 18 to 22°C. Rainfall is heavy, totalling around 383mm across the season with a monthly average of 128mm. 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 19°
Feb 19°
Mar 20°
Apr 22°
May 25°
Jun 27°
Jul 28°
Aug 29°
Sep 28°
Oct 26°
Nov 24°
Dec 21°

The best time to visit Kerama Airport is during February, when the weather is most comfortable for travellers. During these months, average temperatures hover around 19°C with modest rainfall averaging 98mm per month. By contrast, August can be uncomfortably hot with highs reaching 29°C, while January is the coldest period with lows dropping to 18°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 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
18 °C
20 °C
34 km/h
111 mm
0 cm
Feb
18 °C
20 °C
34 km/h
98 mm
0 cm
Mar Current
19 °C
21 °C
32 km/h
111 mm
0 cm
Apr
21 °C
23 °C
30 km/h
135 mm
0 cm
May
24 °C
25 °C
28 km/h
227 mm
0 cm
Jun
26 °C
28 °C
30 km/h
238 mm
0 cm
Jul
28 °C
29 °C
29 km/h
167 mm
0 cm
Aug
28 °C
29 °C
29 km/h
216 mm
0 cm
Sep
27 °C
28 °C
30 km/h
190 mm
0 cm
Oct
25 °C
27 °C
33 km/h
148 mm
0 cm
Nov
23 °C
25 °C
34 km/h
120 mm
0 cm
Dec
20 °C
22 °C
37 km/h
173 mm
0 cm
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Metric (°C, km/h)