Haikou
China
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Haikou, China

January, like December, is an agreeable winter month in Haikou, China, with average temperature varying between 15.4°C (59.7°F) and 21°C (69.8°F). The coldest month is January, with an average high-temperature of 21°C (69.8°F) and an average low-temperature of 15.4°C (59.7°F). Weather in January »
February, the last month of the winter, in Haikou, is also an agreeable month, with average temperature varying between 16.4°C (61.5°F) and 22.3°C (72.1°F). In February, the average high-temperature is essentially the same as in January - a still pleasant 22.3°C (72.1°F). Weather in February »

March, the first month of the spring, in Haikou, is a warm month, with average temperature varying between 19.1°C (66.4°F) and 26°C (78.8°F). In Haikou, the average high-temperature marginally rises, from an agreeable 22.3°C (72.1°F) in February, to a moderately hot 26°C (78.8°F). Weather in March »

April, like March, in Haikou, China, is a moderately hot spring month, with average temperature fluctuating between 22.4°C (72.3°F) and 29.7°C (85.5°F). In April, the average high-temperature slightly increases, from a moderately hot 26°C (78.8°F) in March, to a still warm 29.7°C (85.5°F). Weather in April »

The last month of the spring, May, is a hot month in Haikou, China, with average temperature fluctuating between 31.9°C (89.4°F) and 24.5°C (76.1°F). In Haikou, the average high-temperature is practically the same as in April - a tropical 31.9°C (89.4°F). Weather in May »

June, the first month of the summer, in Haikou, is still a tropical month, with average temperature varying between 32.9°C (91.2°F) and 25.5°C (77.9°F). In Haikou, the average high-temperature is almost the same as in May - a still tropical 32.9°C (91.2°F). Weather in June »

July, like June, is another hot summer month in Haikou, China, with temperature in the range of an average high of 33.1°C (91.6°F) and an average low of 25.5°C (77.9°F). The warmest month is July, with an average high-temperature of 33.1°C (91.6°F) and an average low-temperature of 25.5°C (77.9°F). In July, the average heat index is evaluated at a blazing hot 49.6°C (121.3°F). Weather in July »

The last month of the summer, August, is another hot month in Haikou, China, with average temperature ranging between min 25.3°C (77.5°F) and max 32.3°C (90.1°F). In August, the average high-temperature is almost the same as in July - a still tropical 32.3°C (90.1°F). Weather in August »

September, the first month of the autumn, in Haikou, is still a tropical month, with average temperature varying between 24.6°C (76.3°F) and 30.7°C (87.3°F). In September, the average high-temperature is almost the same as in August - a still hot 30.7°C (87.3°F). Weather in September »

October, the same as September, is another warm autumn month in Haikou, China, with temperature in the range of an average low of 22.9°C (73.2°F) and an average high of 28.4°C (83.1°F). In Haikou, the average high-temperature is relatively the same as in September - a moderately hot 28.4°C (83.1°F). Weather in October »

The last month of the autumn, November, is also a moderately hot month in Haikou, China, with average temperature ranging between max 25.1°C (77.2°F) and min 19.9°C (67.8°F). In November, the average high-temperature slightly decreases, from a warm 28.4°C (83.1°F) in October, to a still moderately hot 25.1°C (77.2°F). Weather in November »

The first month of the winter, December, is still a pleasant month in Haikou, China, with temperature in the range of an average high of 22°C (71.6°F) and an average low of 16.7°C (62.1°F). In December, the average high-temperature marginally drops, from a warm 25.1°C (77.2°F) in November, to a pleasant 22°C (71.6°F). Weather in December »

What is the coldest month in Haikou?

With an average high-temperature of 21°C (69.8°F) and an average low-temperature of 15.4°C (59.7°F), January is the coldest month in Haikou.

How much does it rain in Haikou?

Throughout the year, there are 145 rainfall days, and 1652.1mm (65") of precipitation is accumulated.

What is the driest month in Haikou?

The month with the least rainfall is January when the rain falls for 8.4 days and typically collects 19.5mm (0.8") of precipitation.

What is the month with the least sunshine in Haikou?

January and February, with an average of 3.5h of sunshine, are months with the least sunshine in Haikou.

What is the most humid month in Haikou?

With an average relative humidity of 88%, February is the most humid month.

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

February is the month with the coldest seawater in Haikou, China, with an average sea temperature of 19.6°C (67.3°F).

When is the highest UV index in Haikou?

March through September, with an average maximum UV index of 12, are months with the highest UV index.

When are the longest days in Haikou?

June has the longest days of the year, with an average of 13.3h of daylight.

What is the warmest month in Haikou?

July is the warmest month in Haikou, China, with an average high-temperature of 33.1°C (91.6°F) and an average low-temperature of 25.5°C (77.9°F).

When is the sea warmest in Haikou?

With an average sea temperature of 29.5°C (85.1°F), July is the month with the warmest seawater in Haikou, China.

What month has the most sunshine in Haikou?

With an average of 8.1h of sunshine, July has the most sunshine of the year.

What is the rainiest month in Haikou?

The month with the most rainfall is September when the rain falls for 14.3 days and typically aggregates up to 244.1mm (9.6") of precipitation.

What is the least humid month in Haikou?

With an average relative humidity of 80%, November is the least humid month.

What is the month with the shortest days in Haikou?

With an average of 10.9h of daylight, December has the shortest days of the year in Haikou.

When is the lowest UV index in Haikou?

December is the month with the lowest UV index, with an average maximum UV index of 7.
Average temperature - Haikou, China
Average humidity - Haikou, China
Average rainfall - Haikou, China

The wettest month (with the highest rainfall) is September (244.1mm).
The driest month (with the lowest rainfall) is January (19.5mm).

Average rainfall days - Haikou, China

The month with the highest number of rainy days is May (16.5 days).
The month with the lowest number of rainy days is December (7.3 days).

Average sea temperature - Haikou, China

The best month for swimming (with the highest average sea temperature) is July (29.5°C).
The coldest month (with the lowest average sea temperature) is February (19.6°C).

Average daylight / Average sunshine - Haikou, China

The month with the longest days is June (Average daylight: 13.3h).
The month with shortest days is December (Average daylight: 10.9h).

The month with most sunshine is July (Average sunshine: 8.1h).
Months with least sunshine are January and February (Average sunshine: 3.5).

Average UV index - Haikou, China

Months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 7).