The best times to visit Haikou for ideal weather are

November 12th to March 18th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

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Haikou Travel Guide

  • Safety
  • The busiest and least popular months
  • Overall travel experience by time of year
  • Weather in Haikou


    Average temperatures in Haikou vary little and are seasonally temperate. The area is in the top 68 percent of tourist destinations for pleasant weather. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Haikou, the hottest months are June, July, and then August. See average monthly temperatures below. The warmest time of year is generally late June where highs are regularly around 92.2°F (33.4°C) with temperatures rarely dropping below 78.5°F (25.8°C) at night.

    Haikou Temperatures (Fahrenheit)


    Haikou Temperatures (Celsius)


    “Feels-Like” Temperatures

    The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

    Haikou Perceived Temperature (F)


    Haikou Perceived Temperature (C)



    Average Haikou Temperatures by Month

    Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

    Show Fahrenheit

    Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
    Jan 68 62.8 58.2
    Feb 73.4 67 62
    Mar 79.2 72.2 67
    Apr 83.9 77.1 72
    May 89.7 81.8 76.4
    Jun 91.4 83.6 78.1
    Jul 91 83.4 77.9
    Aug 89.5 82.5 77.3
    Sep 87.9 81.8 76.9
    Oct 83 78.1 73.7
    Nov 78.3 73.5 69.4
    Dec 71.4 66.5 62.1

    Show Celsius

    Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
    Jan 20 17.1 14.6
    Feb 23 19.4 16.7
    Mar 26.2 22.3 19.4
    Apr 28.8 25.1 22.2
    May 32.1 27.7 24.7
    Jun 33 28.7 25.6
    Jul 32.8 28.6 25.5
    Aug 31.9 28.1 25.2
    Sep 31.1 27.7 24.9
    Oct 28.3 25.6 23.2
    Nov 25.7 23.1 20.8
    Dec 21.9 19.2 16.7


    Precipitation (Rain or Snow)

    If dry weather is what you’re after, the months with the lowest chance of precipitation in Haikou are May, June, and then July. The lowest chance of rain or snow occurs around early-to-mid-January. For example, on the week of January 8th there are only 1.2 days of precipitation on average. By contrast, it’s most likely to rain or snow in mid-July with an average of 4.6 days with significant precipitation the week of July 16th.

    When can you find snow in Haikou? Weather stations report no annual snow. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

    Chance of Precipitation

    The graph below shows the % chance of rainy and snowy days in Haikou.

    Days with precipitation

    Snow on the Ground

    The graph below shows the average snow on the ground in Haikou (in).

    Snow depth

    Average Rain and Snow by Month

    Show Inches

    Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
    Jan 27.1 0 0.04
    Feb 32.9 0 0.03
    Mar 30 0 0.06
    Apr 40 0 0.14
    May 51.4 0 0.26
    Jun 51.4 0 0.25
    Jul 51.4 0 0.38
    Aug 51.4 0 0.34
    Sep 45.7 0 0.47
    Oct 42.9 0 0.65
    Nov 32.9 0 0.09
    Dec 30 0 0.07

    Show Centimeters

    Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
    Jan 27.1 0 0.1
    Feb 32.9 0 0.08
    Mar 30 0 0.15
    Apr 40 0 0.36
    May 51.4 0 0.66
    Jun 51.4 0 0.64
    Jul 51.4 0 0.97
    Aug 51.4 0 0.86
    Sep 45.7 0 1.19
    Oct 42.9 0 1.65
    Nov 32.9 0 0.23
    Dec 30 0 0.18


    Humidity and Wind

    Haikou has slightly high to average humidity compared to most tourist destinations. The least humid month is June (72.2% relative humidity), and the most humid month is February (80.1%).

    Wind in Haikou is usually moderate. The windiest month is October, followed by November and March. October’s average wind speed of around 8.2 knots (9.4 MPH or 15.2 KPH) is considered “gentle breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late September where average top sustained speeds reach 13.4 knots, which is considered a moderate breeze.

    Relative Humidity (%)

    The graph below shows the average % humidity by month in Haikou.

    Avg. Relative Humidity


    The graph below shows wind speed (max and average) in knots.

    Max Sustained Wind
    Average Daily Wind

    Average Wind Speeds

    Show Wind Speeds

    All wind speeds are in knots.

    Month Avg. Wind Meaning (Beaufort) Avg. Maximum Sustained Wind Meaning (Beufort)
    Jan 7.9 a gentle breeze 11.6 a moderate breeze
    Feb 7.6 a gentle breeze 11.2 a moderate breeze
    Mar 8.1 a gentle breeze 11.7 a moderate breeze
    Apr 7.8 a gentle breeze 11.3 a moderate breeze
    May 6.4 a light breeze 9.8 a moderate breeze
    Jun 5.9 a light breeze 9.2 a gentle breeze
    Jul 6.1 a light breeze 9.6 a moderate breeze
    Aug 5.7 a light breeze 9.2 a gentle breeze
    Sep 6.7 a light breeze 10.8 a moderate breeze
    Oct 8.2 a gentle breeze 12.4 a moderate breeze
    Nov 8.1 a gentle breeze 12 a moderate breeze
    Dec 8.1 a gentle breeze 11.8 a moderate breeze

    Show Relative Humidity by Month

    Month Avg. Relative Humidity
    Jan 77.2
    Feb 80.1
    Mar 76.4
    Apr 76
    May 73.6
    Jun 72.2
    Jul 72.8
    Aug 75.8
    Sep 75.3
    Oct 74.1
    Nov 72.7
    Dec 73.4


    Is it Safe to Travel to Haikou?

    As of 6/2/2017 there are travel warnings for China; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories.

    Overall Haikou Travel Experience by Season

    Spring (March through May)

    Humidity and temperatures combine to make this season feel warm. Highs range from 91°F (32.8°C) and 75.6°F (24.2°C) with warmer temperatures in the later months. Rain is very common with 9 to 16 days of precipitation per month. Spring is slow/unreported for tourism, which makes it a good time for those looking for deals.

    Summer (June through August)

    The middle-year months have hot weather with high temperatures that are quite warm. These months see moderate precipitation with 15 to 16 days of precipitation per month. June – August is slow/unreported season for tourism in Haikou, so lodging and other accommodations may cost as much as usual.

    Fall (September through November)

    Fall daily highs range from 89.5°F (31.9°C) and 76.5°F (24.7°C), which will feel very nice given the humidity and wind. It rains or snows a great amount: 10 to 14 days per month. Tourism is slow/unreported during these months due to the weather, so hotels may be normally priced.

    Winter (December through February)

    Weather is somewhat cold this time of year in Haikou to be enjoyable for warm weather travelers. The average high during this season is between 75.3°F (24.1°C) and 66.3°F (19.1°C). On average, it rains or snows a noticeable amount: 8 to 9 times per month. These times of year are slow/unreported with tourists.


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