The best times to visit Hai Hau for ideal weather are

November 12th to April 8th

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



Other Hai Hau Travel Info

Weather in Hai Hau


Average temperatures in Hai Hau vary greatly. 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 39th 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 Hai Hau, 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 93.5°F (34.2°C) with temperatures rarely dropping below 81°F (27.2°C) at night.

Hai Hau Temperatures (Fahrenheit)


Hai Hau 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.

Hai Hau Perceived Temperature (F)


Hai Hau Perceived Temperature (C)



Average Hai Hau 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 65.4 60.5 55.8
Feb 69.8 65.1 61
Mar 73.3 68.8 64.7
Apr 81.3 75.6 70.9
May 89.3 82.5 76.6
Jun 93 85.9 80.1
Jul 91.9 85.5 80.4
Aug 90.2 84.1 79
Sep 87.8 81.9 77
Oct 84.8 78.3 72.9
Nov 78.8 72.5 66.9
Dec 70.8 65 59.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 18.6 15.8 13.2
Feb 21 18.4 16.1
Mar 22.9 20.4 18.2
Apr 27.4 24.2 21.6
May 31.8 28.1 24.8
Jun 33.9 29.9 26.7
Jul 33.3 29.7 26.9
Aug 32.3 28.9 26.1
Sep 31 27.7 25
Oct 29.3 25.7 22.7
Nov 26 22.5 19.4
Dec 21.6 18.3 15.4



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Hai Hau are January, February, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid December. For example, on the week of December 17th 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 Hai Hau? 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 Hai Hau.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 7% 0 1.2
Feb 8% 0 1
Mar 16% 0 2.3
Apr 14% 0 2.9
May 25% 0 6.8
Jun 29% 0 6.7
Jul 36% 0 10
Aug 36% 0 10.9
Sep 39% 0 11.6
Oct 21% 0 5.1
Nov 14% 0 2.5
Dec 9% 0 0.9

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 7 0 3
Feb 8 0 2.5
Mar 16 0 5.8
Apr 14 0 7.4
May 25 0 17.3
Jun 29 0 17
Jul 36 0 25.4
Aug 36 0 27.7
Sep 39 0 29.5
Oct 21 0 13
Nov 14 0 6.4
Dec 9 0 2.3


Humidity and Wind

Hai Hau has some extremely humid months, and high humidity throughout the year. The least humid month is December (72.6% relative humidity), and the most humid month is March (84.7%).

Wind in Hai Hau is usually extremely calm. The windiest month is May, followed by June and July. May’s average wind speed of around 4.2 knots (4.8 MPH or 7.7 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid May where average top sustained speeds reach 7.2 knots, which is considered a gentle breeze.

Relative Humidity (%)

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

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. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 3.5 Barely noticeable 6 Light breeze
Feb 3.5 Barely noticeable 5.9 Light breeze
Mar 3.4 Barely noticeable 5.8 Light breeze
Apr 3.8 Barely noticeable 6.4 Light breeze
May 4.2 Light breeze 6.8 Light breeze
Jun 4.1 Light breeze 6.8 Light breeze
Jul 3.9 Barely noticeable 6.4 Light breeze
Aug 3.3 Barely noticeable 5.8 Light breeze
Sep 3.4 Barely noticeable 6.1 Light breeze
Oct 3.6 Barely noticeable 6.2 Light breeze
Nov 3.5 Barely noticeable 6.2 Light breeze
Dec 3.3 Barely noticeable 5.8 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 76.5%
Feb 82.1%
Mar 84.7%
Apr 81.9%
May 77.2%
Jun 73.5%
Jul 75.2%
Aug 79.3%
Sep 80%
Oct 74.4%
Nov 72.9%
Dec 72.6%


Is it Safe to Travel to Hai Hau?

Our best data indicates this area is somewhat safe. As of Oct 07, 2019 there are travel warnings for Vietnam; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Hai Hau, Vietnam is October, followed by January and June. 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 Hai Hau 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

Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is somewhat extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 57.2 in February means 57.2% of the tourists vs. October.



Overall Hai Hau Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 91.1°F (32.8°C) and 69.7°F (20.9°C) with warmer temperatures in the later months. Rain is somewhat common with 4 to 8 days of significant precipitation per month. Spring is the slowest 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 the most precipitation with 9 to 11 days of precipitation per month. June – August is the second busiest season for tourism in Hai Hau, so lodging and other accommodations may cost slightly more.

Fall (September through November)

Fall daily highs range from 88.8°F (31.6°C) and 75.3°F (24.1°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 4 to 12 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 Hai Hau to be enjoyable for warm weather travelers. The average high during this season is between 72.9°F (22.7°C) and 64°F (17.8°C). On average, it rains or snows a smalll amount: 2 to 3 times per month. These times of year are fairly slow with tourists.


Best Times to TravelVietnam › Hai Hau, Vietnam