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Haikou in October: Weather, Average temperature and Climate

Discover the weather for Haikou in October and if it’s a good time to travel (based on historical data).
Check flight prices to Haikou on Avionero:
October

Weather in Haikou in October 2025

OK Weather
Warm
🌧️
Rainy
October could be a good time to visit Haikou, as the weather is generally fine. The average high temperature is around +28°C, and there are typically 4 sunny days in October. However, expect about 20 rainy days, and total monthly rainfall of approximately 172 mm. The weather is changeable so pack for every eventuality. Search flights in one click on Avionero.

Average weather

☀️
+28°C
Avg. max. temperature
+14°C
Min.
+32°C
Max.
172 mm
Total precipitation
80%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
7 ⛅️
Cloudy
20 🌦
Rainy
Our opinion: Haikou has OK weather in October.

Average temperature in Haikou in October

Here are the expected maximum, average and minimum temperatures in Haikou for October based on the historical data.
Last Year
Historical Data

The expected average maximum temperature in October is +28°C with a maximum of +31°C and a minimum of +24°C.

The average maximum temperature goes down 57% by the end of the month, compared with the beginning of the month, from +31°C to +27°C.

Is Haikou warm or cold in October?

Haikou is typically warm in October.

Maximum temperatures go down compared to the previous month from +30°C to +28°C. The minimum temperature also goes down from +26°C to +24°C.

It’s generally warm, but pack a long-sleeve shirt for evenings.

Take a look at how October is compared to other months in Haikou:

Climate in Haikou in October

Haikou weather looks like this, on average, in October and the surrounding months.
SeptemberOctoberNovember
Avg. temperature
+30°C+28°C+25°C
Min. temperature
+21°C+14°C+10°C
Max. temperature
+34°C+32°C+33°C
Rainfall
215 mm172 mm58 mm
Wind
3 m/s4 m/s4 m/s
Humidity
83%80%79%
Air pressure
1007 HPa1012 HPa1015 HPa
Sunny days
245
Cloudy days
3711
Rainy days
242014
Snowy days
000

October weather is still as ok as in September. It’s getting colder in October. From +30°C in the day, the average maximum temperature lowers to +28°C. As October arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 215 mm to 172 mm. It feels drier, as humidity decreases from 83% to 80%. Winds are stronger in comparison to September, going up from 3 m/s to 4 m/s on average. The good news is there are likely to be more sunny days in October, from 2 to 4.

November brings much the same weather, it remains ok.

Wind

Wind speed in Haikou in October based on historical data.
Last Year
Historical Data

The average wind speed is 5 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.

The average wind speed in Haikou is gradually increasing during October, going from 2 m/s to 6 m/s over the course of the month.

Rain

Amount of rainfall in mm during October in Haikou based on historical data.
Last Year
Historical Data
Total precipitation in October is about 319 mm, with a 81% chance of rain on a typical day. The maximum amount of rainfall per day is around 56 mm, which is considered heavy rain. October is a pretty wet month with over 25 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of galoshes.
October is one of the rainiest months in Haikou, here is a comparison with other months, total mm:
Haikou wettest month is September, where a typical day has a 80% chance of precipitation and 215 mm of rainfall per day. January, on the other hand, is the driest month with a mere 39% chance of precipitation and 28 mm of rainfall per day.

How was the weather last October in Haikou?

This is the weather in Haikou in October 2024:
1 October
☀️
+31°C
2 October
☁️
+30°C
3 October
☀️
+31°C
4 October
☀️
+31°C
5 October
🌧️
+31°C
6 October
☁️
+30°C
7 October
☁️
+30°C
8 October
☁️
+28°C
9 October
☁️
+28°C
10 October
🌧️
+26°C
11 October
🌧️
+26°C
12 October
☁️
+28°C
13 October
☁️
+28°C
14 October
☁️
+28°C
15 October
☁️
+29°C
16 October
🌧️
+28°C
17 October
🌧️
+27°C
18 October
🌧️
+26°C
19 October
🌧️
+29°C
20 October
🌧️
+27°C
21 October
🌧️
+25°C
22 October
🌧️
+25°C
23 October
🌧️
+26°C
24 October
🌧️
+27°C
25 October
🌧️
+28°C
26 October
🌧️
+26°C
27 October
☁️
+27°C
28 October
🌧️
+27°C
29 October
🌧️
+27°C
30 October
☁️
+27°C
31 October
☁️
+27°C
In October 2024 Haikou had 3 sunny days, 12 cloudy days, and 16 rainy days. The average maximum temperature was +28°C, with an absolute maximum of +31°C and a minimum of +25°C. The average humidity was 84%, with a maximum of 94% and a minimum of 66%. The average wind speed was 5 m/s, with a maximum of 10 m/s and a minimum of 0 m/s.
Are you planning a trip in October?

Climate Change over Years

This is how Haikou climate have been changing during last 43 years period.

The climate in Haikou in October has not changed much over the last 43 years.

The average temperature was the lowest in 1984 (+25°C) and the highest in 2019 (+28°C). The driest year was 1991 with only 799 mm of rainfall, and the wettest year was 1982 with 1827 mm.

FAQ

Frequently asked questions about the weather in Haikou in October:

Is October a good time to visit Haikou?

It’s always a good time to visit Haikou, but the weather is changeable in October, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.

Can you sunbathe in Haikou in October?

October is warm in Haikou. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.

Is Haikou rainy in October?

Haikou is often rainy in October. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.

Is it sunny in Haikou in October?

Usually, it’s not very sunny in Haikou in October, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.

Other cities in China

Check out the weather for other cities in China.

Monthly weather in Haikou

Source of the data

For this page, we’ve looked at the typical weather in Haikou, based on historical hourly weather data from January 1, 1979, to December 31, 2023.

For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.