The best times to visit Haikou for ideal weather are
November 12th to March 25th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Haikou Travel Guide
Weather in Haikou
Average temperatures in Haikou vary somewhat. Considering humidity, temperatures feel hot for about half of the year and otherwise nice with a fair chance of precipitation about half of the year. The area is less temperate than some — in the 37th percentile for pleasant weather — compared to tourist destinations worldwide. 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 early July 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)
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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Haikou are January, February, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid August with an average of 4 days of significant precipitation the week of August 6th.
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.
The graph below shows the % chance of rainy and snowy days in Haikou.
Snow on the Ground
The graph below shows the average snow on the ground in Haikou (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Haikou has some very humid months, and high humidity throughout the year. 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 (9.5 MPH or 15.2 KPH) is considered “a 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.
The graph below shows wind speed (max and average) in knots.
Average Wind Speeds
Show Wind Speeds
All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.
|Month||Avg. Wind||Avg. Wind Feel||Sustained High Wind||High Wind Feel|
|Jan||7.9||Gentle breeze||11.6||Significant breeze|
|Feb||7.6||Gentle breeze||11.2||Significant breeze|
|Mar||8.1||Gentle breeze||11.7||Significant breeze|
|Apr||7.8||Gentle breeze||11.3||Significant breeze|
|May||6.4||Light breeze||9.8||Significant breeze|
|Jun||5.9||Light breeze||9.2||Gentle breeze|
|Jul||6.1||Light breeze||9.6||Significant breeze|
|Aug||5.7||Light breeze||9.2||Gentle breeze|
|Sep||6.7||Light breeze||10.8||Significant breeze|
|Oct||8.2||Gentle breeze||12.4||Significant breeze|
|Nov||8.1||Gentle breeze||12||Significant breeze|
|Dec||8.1||Gentle breeze||11.8||Significant breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Haikou?
Our best data indicates this area is somewhat safe. As of Jan 18, 2018 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
The Busiest and Least Crowded Months
The busiest month for tourism in Haikou, China is September, followed by May and October. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Haikou in February. Those willing to visit at these times will likely find it the least expensive month.
Estimated Tourism by Month
Most Popular Months to Visit
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 somewhat common with 4 to 11 days of significant precipitation per month. Spring is the second busiest for tourism, which makes it a good time for those looking for things to do.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with about 11 days of precipitation per month. June – August is fairly slow season for tourism in Haikou, so lodging and other accommodations may cost slightly less.
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 significant amount: 5 to 11 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.
Winter (December through February)
Weather is somewhat cool this time of year in Haikou to be enjoyable for warm weather travelers. The average high during this season is between 78.7°F (25.9°C) and 66.3°F (19.1°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the slowest with tourists.