Haikou weather live forecast

Today's maximum temperature in Haikou is expected to be 86°F. Select a day from the live weather forecast for Haikou, China for more weather parameters.

Monday
18th May
86

79

6

9
Tuesday
19th May
86

79

4

10
Wednesday
20th May
88

79

5

11
Thursday
21st May
90

81

6

11
Friday
22nd May
90

81

7

11

5-day weather forecast updated at 04:00 on Sunday 17th May 2026 GMT

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The 5-day weather forecast for China (Haikou) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Haikou weather forecast by day

Below are the detailed weather forecasts for Haikou for the next 5 days.

Haikou weather for Monday 18th May 2026

Expect isolated thunderstorms in Haikou, China with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 63% chance of some rain and a gentle breeze of 11 mph from the south-east.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
9
UV index (Very High)
63
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
11
mph wind from SE

Haikou weather for Tuesday 19th May 2026

Expect isolated thunderstorms in Haikou, China with a maximum temperature of 86°F, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 70% chance of some rain and a gentle breeze of 9 mph from the south-east.

86
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
10
UV index (Very High)
70
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
9
mph wind from SE

Haikou weather for Wednesday 20th May 2026

Expect isolated thunderstorms in Haikou, China with a maximum temperature of 88°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 10 mph from the south.

88
°F maximum temperature
79
°F minimum temperature
isolated thunderstorms
5
hours of sunshine
11
UV index (Extreme)
69
% chance of some rain
<10
mm of rainfall expected
M
moderate heat & humidity
10
mph wind from S

Haikou weather for Thursday 21st May 2026

Expect isolated thunderstorms in Haikou, China with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11+ (Extreme) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 11 mph from the south.

90
°F maximum temperature
81
°F minimum temperature
isolated thunderstorms
6
hours of sunshine
11
UV index (Extreme)
66
% chance of some rain
<10
mm of rainfall expected
H
high heat & humidity
11
mph wind from S

Haikou weather for Friday 22nd May 2026

Expect isolated thunderstorms in Haikou, China with a maximum temperature of 90°F, high levels of heat & humidity, maximum UV of 11 (Extreme) and 7 hours of bright sunshine. There are 10-20 mm of rainfall expected with 58% chance of some rain and a gentle breeze of 9 mph from the south.