The best times to visit Mergui for ideal weather are

October 1st to April 29th


October 1st to December 9th

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



Other Mergui Travel Info

Weather in Mergui


Average temperatures in Mergui 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 30th 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 Mergui, the hottest months are April, March, and then May. See average monthly temperatures below. The warmest time of year is generally mid April where highs are regularly around 94.8°F (34.9°C) with temperatures rarely dropping below 78.1°F (25.6°C) at night.

Mergui Temperatures (Fahrenheit)


Mergui 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.

Mergui Perceived Temperature (F)


Mergui Perceived Temperature (C)



Average Mergui 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 89.5 81.3 71.6
Feb 91.2 82.9 73.8
Mar 92.8 84.6 75.9
Apr 94.2 85.8 77.4
May 90.4 83.5 77.3
Jun 87.2 81.4 76.5
Jul 85 79.6 75.2
Aug 85.9 80.2 75.3
Sep 85.4 80 75.3
Oct 88.7 82 75.5
Nov 90.2 83.1 75.2
Dec 89.7 82 72.7

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 31.9 27.4 22
Feb 32.9 28.3 23.2
Mar 33.8 29.2 24.4
Apr 34.6 29.9 25.2
May 32.4 28.6 25.2
Jun 30.7 27.4 24.7
Jul 29.4 26.4 24
Aug 29.9 26.8 24.1
Sep 29.7 26.7 24.1
Oct 31.5 27.8 24.2
Nov 32.3 28.4 24
Dec 32.1 27.8 22.6



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Mergui 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 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 late May with an average of 2 days of significant precipitation the week of May 21st.

When can you find snow in Mergui? 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 Mergui.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 0% 0 0
Feb 0% 0 0
Mar 3% 0 0.7
Apr 3% 0 1.1
May 11% 0 4
Jun 7% 0 2.8
Jul 7% 0 2
Aug 7% 0 0.8
Sep 13% 0 6
Oct 3% 0 0.5
Nov 1% 0 0.2
Dec 0% 0 0

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 0 0 0
Feb 0 0 0
Mar 3 0 1.8
Apr 3 0 2.8
May 11 0 10.2
Jun 7 0 7.1
Jul 7 0 5.1
Aug 7 0 2
Sep 13 0 15.2
Oct 3 0 1.3
Nov 1 0 0.5
Dec 0 0 0


Humidity and Wind

Mergui has some extremely humid months, and above average humidity throughout the year. The least humid month is January (61.4% relative humidity), and the most humid month is July (88.9%).

Wind in Mergui is usually extremely calm. The windiest month is March, followed by April and February. March’s average wind speed of around 2.7 knots (3.1 MPH or 4.9 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in late April where average top sustained speeds reach 5 knots, which is considered a light breeze.

Relative Humidity (%)

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

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 2.5 Barely noticeable 4.4 Light breeze
Feb 2.6 Barely noticeable 4.6 Light breeze
Mar 2.7 Barely noticeable 4.5 Light breeze
Apr 2.6 Barely noticeable 4.7 Light breeze
May 2.3 Barely noticeable 3.9 Light breeze
Jun 2.4 Barely noticeable 4.1 Light breeze
Jul 2.3 Barely noticeable 4.2 Light breeze
Aug 2.2 Barely noticeable 3.9 Barely noticeable
Sep 2 Barely noticeable 3.8 Light breeze
Oct 2.1 Barely noticeable 3.6 Barely noticeable
Nov 2.2 Barely noticeable 3.8 Light breeze
Dec 2.5 Barely noticeable 4.3 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 61.4%
Feb 66.7%
Mar 67.2%
Apr 69.1%
May 79.2%
Jun 85.8%
Jul 88.9%
Aug 86.8%
Sep 86.8%
Oct 79.8%
Nov 68.4%
Dec 62.2%


Is it Safe to Travel to Mergui?

Our best data indicates this area is somewhat safe, but with extra warnings in a few regions. As of Oct 07, 2019 there are travel warnings and regional advisories for Myanmar; exercise a high degree of caution and avoid some areas. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Sep 27, 2019.


The Busiest and Least Crowded Months

The busiest month for tourism in Mergui, Myanmar is January, followed by October and August. 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 Mergui in May. 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 extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 64.5 in May means 64.5% of the tourists vs. January.



Overall Mergui Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel warm. Highs range from 94.8°F (34.9°C) and 88.2°F (31.2°C) with similar temperatures in the later months. Rain is rare with 1 to 3 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 very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with about 2 days of precipitation per month. June – August is fairly slow season for tourism in Mergui, so lodging and other accommodations may cost slightly less.

Fall (September through November)

Fall daily highs range from 90.6°F (32.6°C) and 84.4°F (29.1°C), which will feel very nice given the humidity and wind. It rains or snows a normal amount: 0 to 4 days per month. Tourism is the second busiest during these months due to the weather, so hotels may be slightly higher priced.

Winter (December through February)

Weather is perfect this time of year in Mergui to be enjoyable for warm weather travelers. The average high during this season is between 92.2°F (33.4°C) and 89°F (31.7°C). On average, it rains or snows a insignificant amount: consistently 0 times per month. These times of year are the busiest with tourists.


Best Times to TravelMyanmar or Burma › Mergui, Myanmar