The best times to visit Mekong Delta for ideal weather are
October 1st to June 3rd
October 1st to December 2nd
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Mekong Delta Travel Guide
Other Mekong Delta Travel Info
Weather in Mekong Delta
Average temperatures in Mekong Delta vary very little. Considering humidity, temperatures feel hot all year with a very low chance of rain throughout the year. The area is less temperate than some — in the 32nd 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 Mekong Delta, the hottest months are May, April, and then June. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 89.3°F (31.8°C) with temperatures rarely dropping below 81.4°F (27.4°C) at night.
Mekong Delta Temperatures (Fahrenheit)
Mekong Delta 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.
Mekong Delta Perceived Temperature (F)
Mekong Delta Perceived Temperature (C)
Average Mekong Delta 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 Mekong Delta are February, March, 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 early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid June with an average of 1 days of significant precipitation the week of June 18th.
When can you find snow in Mekong Delta? 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 Mekong Delta.
Snow on the Ground
The graph below shows the average snow on the ground in Mekong Delta (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
Mekong Delta has some very humid months, and above average humidity throughout the year. The least humid month is March (68.2% relative humidity), and the most humid month is September (80.6%).
Wind in Mekong Delta is usually calm. The windiest month is August, followed by July and September. August’s average wind speed of around 9.4 knots (10.8 MPH or 17.4 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 early to mid August where average top sustained speeds reach 13.9 knots, which is considered a moderate breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Mekong Delta.
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||4.1||Light breeze||6.5||Light breeze|
|Feb||4.5||Light breeze||6.8||Light breeze|
|Mar||4.9||Light breeze||7.9||Light breeze|
|Apr||5.4||Light breeze||8.4||Gentle breeze|
|May||6.9||Light breeze||10.5||Light breeze|
|Jun||8.5||Gentle breeze||12.2||Significant breeze|
|Jul||9.3||Gentle breeze||12.8||Light breeze|
|Aug||9.4||Gentle breeze||12.9||Significant breeze|
|Sep||9.1||Gentle breeze||12.8||Light breeze|
|Oct||5.6||Light breeze||8.7||Gentle breeze|
|Nov||4.1||Light breeze||6.7||Light breeze|
|Dec||4||Light breeze||6.4||Light breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Mekong Delta?
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 Mekong Delta, Vietnam is January, followed by July and May. 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 Mekong Delta in August. 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 Mekong Delta Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 89.3°F (31.8°C) and 87.4°F (30.8°C) with similar temperatures in the later months. Rain is rare with 0 to 2 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 moderate precipitation with 2 to 3 days of precipitation per month. June – August is fairly slow season for tourism in Mekong Delta, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 87°F (30.6°C) and 84°F (28.9°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 2 to 4 days per month. Tourism is the slowest during these months due to the weather, so hotels may be affordably priced.
Winter (December through February)
Weather is perfect this time of year in Mekong Delta to be enjoyable for warm weather travelers. The average high during this season is between 87.5°F (30.8°C) and 83°F (28.3°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the busiest with tourists.