Climate Insights for Kerama Airport

Shimajiri-gun, Okinawa, Japan

Hottest
August
29°C peak
Coldest
February
18°C low
Wettest
June
270mm 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 2167mm 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 February, January, 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: 27° Jul Max: 29° Average: 29° 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: 24° 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. February 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 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 160mm Feb Precipitation: 99mm Mar Precipitation: 137mm Apr Precipitation: 155mm May Precipitation: 228mm Jun Precipitation: 270mm Jul Precipitation: 178mm Aug Precipitation: 242mm Sep Precipitation: 226mm Oct Precipitation: 165mm Nov Precipitation: 125mm Dec Precipitation: 183mm
Precipitation

Kerama Airport is a very wet location, receiving approximately 2167mm of precipitation annually, which averages out to around 181mm per month. The wettest month is June, averaging 270mm of rainfall. August and May also tend to see above-average precipitation. The driest month is February, with just 99mm. That's 171mm 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 8km/h Feb Wind Speed: 8km/h Mar Wind Speed: 7km/h Apr Wind Speed: 6km/h May Wind Speed: 6km/h Jun Wind Speed: 6km/h Jul Wind Speed: 6km/h Aug Wind Speed: 6km/h Sep Wind Speed: 7km/h Oct Wind Speed: 8km/h Nov Wind Speed: 8km/h Dec Wind Speed: 9km/h
Wind Speed

Kerama Airport is relatively calm, with an average annual wind speed of 7km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.

Seasons

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

88 days 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 February near 18°C. Autumn is next, beginning on September 23, 2026 — 88 days from now.

Spring

Temperatures range from 19 to 25°C. Rainfall is heavy, totalling around 520mm across the season with a monthly average of 173mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 690mm across the season with a monthly average of 230mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 23 to 28°C. Rainfall is heavy, totalling around 516mm across the season with a monthly average of 172mm. Winds are generally light, averaging 7km/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 441mm across the season with a monthly average of 147mm. Winds are generally light, averaging 8km/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 29°
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 99mm per month. By contrast, August can be uncomfortably hot with temperatures reaching 29°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
8 km/h
160 mm
0 cm
Feb
18 °C
20 °C
8 km/h
99 mm
0 cm
Mar
19 °C
21 °C
7 km/h
137 mm
0 cm
Apr
21 °C
23 °C
6 km/h
155 mm
0 cm
May
24 °C
25 °C
6 km/h
228 mm
0 cm
Jun Current
27 °C
28 °C
6 km/h
270 mm
0 cm
Jul
28 °C
29 °C
6 km/h
178 mm
0 cm
Aug
28 °C
29 °C
6 km/h
242 mm
0 cm
Sep
27 °C
28 °C
7 km/h
226 mm
0 cm
Oct
25 °C
27 °C
8 km/h
165 mm
0 cm
Nov
23 °C
24 °C
8 km/h
125 mm
0 cm
Dec
20 °C
22 °C
9 km/h
183 mm
0 cm
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