Monthly weather forecast and climate
Naha, Japan

Weather in January

January, the same as December, is another comfortable winter month in Naha, Japan, with average temperature varying between 19.5°C (67.1°F) and 14.6°C (58.3°F). With an average high-temperature of 19.5°C (67.1°F) and an average low-temperature of 14.6°C (58.3°F), January is the coldest month. Weather in January »

Weather in February

The last month of the winter, February, is another comfortable month in Naha, Japan, with average temperature ranging between min 14.8°C (58.6°F) and max 19.8°C (67.6°F). In February, the average high-temperature is practically the same as in January - a still enjoyable 19.8°C (67.6°F). Weather in February »

Weather in March

The first month of the spring, March, is a pleasant month in Naha, Japan, with average temperature varying between 21.7°C (71.1°F) and 16.5°C (61.7°F). In March, the average high-temperature is essentially the same as in February - an agreeable 21.7°C (71.1°F). Weather in March »

Weather in April

April is a moderately hot spring month in Naha, Japan, with average temperature varying between 19°C (66.2°F) and 24.1°C (75.4°F). In Naha, Japan, the average high-temperature in April is essentially the same as in March - a warm 24.1°C (75.4°F). Weather in April »

Weather in May

May, the last month of the spring, in Naha, is also a moderately hot month, with average temperature ranging between max 26.7°C (80.1°F) and min 21.8°C (71.2°F). In May, the average high-temperature is almost the same as in April - a still moderately hot 26.7°C (80.1°F). Weather in May »

Weather in June

The first month of the summer, June, is still a warm month in Naha, Japan, with average temperature ranging between min 24.8°C (76.6°F) and max 29.4°C (84.9°F). In Naha, the average high-temperature is essentially the same as in May - a still moderately hot 29.4°C (84.9°F). Weather in June »

Weather in July

July is a tropical summer month in Naha, Japan, with temperature in the range of an average high of 31.8°C (89.2°F) and an average low of 26.8°C (80.2°F). July is the warmest month, with an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 26.8°C (80.2°F). The average heat index is estimated at a scorching 42.8°C (109°F). Weather in July »

Weather in August

August, the last month of the summer, in Naha, is also a hot month, with average temperature varying between 31.5°C (88.7°F) and 26.6°C (79.9°F). In Naha, the average high-temperature is practically the same as in July - a still tropical 31.5°C (88.7°F). Weather in August »

Weather in September

September, the first month of the autumn, in Naha, is still a hot month, with temperature in the range of an average low of 25.5°C (77.9°F) and an average high of 30.4°C (86.7°F). In Naha, the average high-temperature is essentially the same as in August - a still hot 30.4°C (86.7°F). Weather in September »

Weather in October

October, like September, in Naha, Japan, is another warm autumn month, with temperature in the range of an average low of 23.1°C (73.6°F) and an average high of 27.9°C (82.2°F). In October, the average high-temperature is practically the same as in September - a warm 27.9°C (82.2°F). Weather in October »

Weather in November

November, the last month of the autumn, in Naha, is another warm month, with average temperature ranging between max 24.6°C (76.3°F) and min 19.9°C (67.8°F). In Naha, Japan, the average high-temperature marginally drops, from 27.9°C (82.2°F) in October, to a still moderately hot 24.6°C (76.3°F). Weather in November »

Weather in December

December, the first month of the winter, in Naha, is still a pleasant month, with average temperature ranging between max 21.2°C (70.2°F) and min 16.3°C (61.3°F). In Naha, Japan, the average high-temperature in December slightly decreases, from a moderately hot 24.6°C (76.3°F) in November, to a pleasant 21.2°C (70.2°F). Weather in December »
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FAQ

What is the coldest month in Naha?

With an average high-temperature of 19.5°C (67.1°F) and an average low-temperature of 14.6°C (58.3°F), January is the coldest month in Naha, Japan.

How much does it rain in Naha?

Throughout the year, in Naha, Japan, there are 140.8 rainfall days, and 2036.6mm (80.18") of precipitation is accumulated.

What is the month with the least sunshine in Naha?

With an average of 3h of sunshine, January has the least sunshine of the year in Naha.

What is the month with the coldest sea water in Naha?

February is the month with the coldest seawater in Naha, Japan, with an average sea temperature of 20.9°C (69.6°F).

When is the highest UV index in Naha?

Months with the highest UV index are May through August, with an average maximum UV index of 12.

What is the most humid month in Naha?

June is the most humid month, with an average relative humidity of 83%.

When are the longest days in Naha?

With an average of 13.8h of daylight, June has the longest days of the year in Naha, Japan.

What is the warmest month in Naha?

July is the warmest month, with an average high-temperature of 31.8°C (89.2°F) and an average low-temperature of 26.8°C (80.2°F).

What month has the most sunshine in Naha?

The month with the most sunshine is July, with an average of 7.7h of sunshine.

What is the month with the warmest sea water in Naha?

August is the month with the warmest seawater, with an average sea temperature of 28.7°C (83.7°F).

What is the wettest month in Naha?

September is the month with the most rainfall in Naha, Japan. Rain falls for 12.5 days and accumulates 260.5mm (10.26") of precipitation.

What is the least humid month in Naha?

December is the least humid month, with an average relative humidity of 66%.

What is the driest month in Naha?

The month with the least rainfall in Naha, Japan, is December when the rain falls for 9.6 days and typically collects 102.8mm (4.05") of precipitation.

What is the month with the shortest days in Naha?

The month with the shortest days in Naha is December, with an average of 10.5h of daylight.

What is the month with the lowest UV index in Naha?

The month with the lowest UV index is December, with an average maximum UV index of 5.

Average temperature
Naha, Japan

Average temperature - Naha, Japan

The warmest month (with the highest average high temperature) is July (31.8°C).
The month with the lowest average high temperature is January (19.5°C).

The month with the highest average low temperature is July (26.8°C).
The coldest month (with the lowest average low temperature) is January (14.6°C).

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Average rainfall
Naha, Japan

Average rainfall - Naha, Japan

The wettest month (with the highest rainfall) is September (260.5mm).
The driest month (with the least rainfall) is December (102.8mm).

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Average rainfall days
Naha, Japan

Average rainfall days - Naha, Japan

The month with the highest number of rainy days is March (13.7 days).
The month with the least rainy days is October (9.5 days).

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Average sea temperature
Naha, Japan

Average sea temperature - Naha, Japan

The best month for swimming (with the highest average sea temperature) is August (28.7°C).
The coldest month (with the lowest average sea temperature) is February (20.9°C).

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Average daylight / Average sunshine
Naha, Japan

Average daylight / Average sunshine - Naha, Japan

The month with the longest days is June (Average daylight: 13.8h).
The month with the shortest days is December (Average daylight: 10.5h).

The month with the most sunshine is July (Average sunshine: 7.7h).
The month with the least sunshine is January (Average sunshine: 3h).

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