Mawlamyine climate

Name: Mawlamyine
Address: MM

Mawlamyine is warmest in April, with average highs of 34 °C, and coldest in January, when nights average 20 °C. July is the wettest month (758 mm) and February the driest (5.3 mm). Figures are 1991–2020 climate normals.

Across a full year Mawlamyine averages 3,322 mm of rain and 363 days above 25 °C.

Myanmar · population 438,861 · 1991–2020 normals

Temperature below 0 °C to above 30 °C Rain band height is that month’s share of the wettest month

Warmest month April 34 °C
Coldest month January 20 °C
Driest month February 5 mm
Wettest month July 758 mm
Least cloud February 25 % cloud
Hottest on record May 39 °C
Coldest on record December 12 °C
Warmest sea April 30 °C

What to expectMawlamyine through the year

Mawlamyine has a clear annual cycle: average daily highs run from 31 °C in January to 34 °C in April, a swing of 3.9 °C in mean temperature across the year.

Counted across a normal year, 363 days a year reach 25 °C, 201 of them reach 30 °C. The warmest reading in the 1991–2020 record is 39 °C, in May.

Rain is strongly seasonal. July averages 758 mm against 5 mm in February — 142 times as much. Planning around the dry months matters more here than planning around temperature.

The sea off Mawlamyine is warmest in April at 30 °C and coldest in January at 27 °C. Sea temperature lags the air by a month or two, which is why late summer swims warmer than early summer at the same air temperature.

Month by month

Month	Avg high	Rainfall	Cloud
January	30.7 °C	9 mm	31 %
February	32.4 °C	5 mm	25 %
March	33.5 °C	23 mm	31 %
April	33.7 °C	70 mm	43 %
May	30.6 °C	380 mm	80 %
June	28.3 °C	656 mm	96 %
July	27.6 °C	758 mm	96 %
August	27.5 °C	732 mm	97 %
September	28.6 °C	477 mm	91 %
October	30.3 °C	173 mm	68 %
November	30.9 °C	29 mm	40 %
December	30.5 °C	9 mm	33 %

Temperature month by month

Month	Avg high	Avg low	Mean	Record high	Record low	Days above 25 °C	Days above 30 °C
January	30.7 °C	20.2 °C	25.2 °C	34.2 °C	14.2 °C	31	22
February	32.4 °C	21.1 °C	26.4 °C	35.7 °C	15.3 °C	28	26
March	33.5 °C	23.1 °C	27.8 °C	38.3 °C	16.6 °C	31	30
April	33.7 °C	25.5 °C	29.1 °C	37.7 °C	20.6 °C	30	28
May	30.6 °C	25.2 °C	27.4 °C	38.6 °C	22.5 °C	31	17
June	28.3 °C	24.6 °C	26.0 °C	32.5 °C	22.9 °C	30	4
July	27.6 °C	24.3 °C	25.5 °C	31.8 °C	22.7 °C	31	2
August	27.5 °C	24.2 °C	25.4 °C	32.7 °C	22.8 °C	31	1
September	28.6 °C	24.2 °C	25.8 °C	32.8 °C	22.6 °C	30	6
October	30.3 °C	24.2 °C	26.8 °C	33.9 °C	18.6 °C	31	20
November	30.9 °C	22.8 °C	26.7 °C	34.0 °C	15.3 °C	30	24
December	30.5 °C	20.6 °C	25.4 °C	34.6 °C	11.7 °C	31	21

Rain, sun and wind month by month

Month	Rainfall	Wet days	Daylight	Cloud cover	Humidity	Wind	Sea temp
January	9 mm	1	11 h/day	31 %	69 %	9.8 km/h	26.9 °C
February	5 mm	1	12 h/day	25 %	68 %	11 km/h	27.7 °C
March	23 mm	4	12 h/day	31 %	72 %	13 km/h	29.0 °C
April	70 mm	10	13 h/day	43 %	74 %	14 km/h	30.1 °C
May	380 mm	27	13 h/day	80 %	86 %	12 km/h	30.1 °C
June	656 mm	30	13 h/day	96 %	92 %	13 km/h	29.1 °C
July	758 mm	31	13 h/day	96 %	93 %	13 km/h	28.4 °C
August	732 mm	31	13 h/day	97 %	93 %	13 km/h	28.1 °C
September	477 mm	29	12 h/day	91 %	91 %	10 km/h	28.2 °C
October	173 mm	20	12 h/day	68 %	85 %	8.7 km/h	29.2 °C
November	29 mm	5	11 h/day	40 %	75 %	10 km/h	29.1 °C
December	9 mm	1	11 h/day	33 %	67 %	11 km/h	27.6 °C

How Mawlamyine compares

The same four figures for nearby destinations, so the numbers above have something to be read against. Summer high is the warmest month's average high; winter low is the coldest month's average low.

Destination	Summer high	Winter low	Rain per year	Days above 25 °C
Mawlamyine	34 °C	20 °C	3,322 mm	363
Bago · Myanmar	37 °C	17 °C	2,567 mm	364
Yangon · Myanmar	37 °C	18 °C	2,314 mm	365
Insein · Myanmar	37 °C	18 °C	2,231 mm	365
Hlaingthaya · Myanmar	37 °C	18 °C	2,446 mm	365

Where Mawlamyine ranks

Ranking	Position	Value
Warmest sea temperatures in Asia in April	15th of 50	30 °C
Warmest sea temperatures in the world in April	15th of 50	30 °C
The warmest places in Asia in December	21st of 50	30 °C
The warmest places in Asia in January	35th of 50	31 °C
The warmest places in Asia in November	37th of 50	31 °C
Best beach destinations in Asia in December	39th of 50	94/100

Planning a trip? See the best time to visit Mawlamyine.

QuestionsCommon questions about Mawlamyine’s climate

When is the best time to visit Mawlamyine?

That depends on what you want, so the honest answer is a comparison rather than a single month. January, August, December sit closest to 20 °C on average, April is the warmest month and February the driest. The month-by-month table above has the full picture.

How hot does Mawlamyine get?

In April, the warmest month, daily highs average 34 °C. About 201 days a year pass 30 °C. The highest value in the 1991–2020 record is 39 °C.

How cold does it get in winter?

Nights average 20 °C in January, the coldest month. Freezing nights are not part of a normal year here.

Which month is wettest in Mawlamyine?

July, averaging 758 mm over 31 days with rain. The driest month is February with 5 mm. The year as a whole averages 3,322 mm.

Are these figures a forecast?

No. They are 1991–2020 climate normals: the average of thirty years, which describes what a month is usually like in Mawlamyine rather than what any particular week will bring. Individual years can differ substantially from the normal.

Data sources and method

ERA5 / ERA5-Land reanalysis — Copernicus Climate Change Service (C3S), ECMWF. Copernicus Licence
Open-Meteo — Open-Meteo.com. CC BY 4.0
NOAA OISST v2.1 — NOAA Physical Sciences Laboratory. Public domain
GeoNames — GeoNames.org. CC BY 4.0

Normal period: 1991–2020
Data point: 16.491°, 97.628° (the coordinates the reanalysis values are taken for)
Dataset version: era5-1991-2020-scores1.1
Last processed: 1 August 2026

Measured values come from ERA5 reanalysis and are reproduced unchanged. Calculated by us: monthly rankings, daylight hours, beach and comfort scores. Full formulas are on the methodology page.

Contains modified Copernicus Climate Change Service information 2026. Neither the European Commission nor ECMWF is responsible for any use that may be made of the Copernicus information or data it contains.