Mawlamyine weather in December

In December, Mawlamyine sees average daytime highs of 33°C and overnight lows near 21°C, with 9 mm of rain across 0.9 wet days and about 11 hours of daylight. It is the 7th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 68% of the time in December, and the air most often feels muggy.

Daylight stretches from about 11 h 06 min at the start of December to 11 hours by month's end. Set against the rest of the year, December is Mawlamyine's 4th-clearest and 7th-windiest month. For the whole year in context, see Mawlamyine's year-round climate.

Daytime high
33°
7th warmest
Overnight low
21°
3rd coldest
Rainfall
9 mm
0.9 wet days
Daylight
11 hours
6:25 AM – 5:26 PM
Cloud cover
31%
4th clearest
Wind
7 km/h
7th windiest
Solar energy
4.85 kWh/m²
Travel score
4.6
out of 10

Mawlamyine is city in Myanmar.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical December day in Mawlamyine reaches about 33°C in the afternoon and slips back to 21°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, December runs on par with November and on par with January.

15°20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13322
23322
33322
43322
53322
63322
73322
83322
93322
103322
113321
123321
133321
143321
153321
163321
173321
183321
193321
203321
213320
223320
233320
243320
253320
263320
273320
283320
293320
303320
313320

How December really feels in Mawlamyine

Once humidity and wind are folded in, December averages 31 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in December is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Mawlamyine weather by month

How December compares with the rest of the year at a glance. December is the 7th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°91.111.14.4
Feb35° / 21°60.711.43.2
Mar36° / 24°233.911.92.4
Apr36° / 26°6510.412.41.9
May33° / 26°3742712.82.0
Jun31° / 26°64229.8132.3
Jul30° / 25°73330.912.92.4
Aug30° / 25°71330.712.62.4
Sep31° / 25°46928.912.12.3
Oct33° / 25°16319.411.62.8
Nov34° / 24°274.311.23.9
Dec33° / 21°90.9114.6

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 68% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 18%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17624
27624
37624
47624
57822
67822
77822
87822
97822
108020
118020
128119
138218
148317
158317
168416
178515
188515
198614
208614
218614
228614
238614
248614
258614
268614
278515
288515
298416
308416
318317

Chance of precipitation in December

Any precipitation

Mawlamyine gets around 9 mm of rain over 0.9 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 3% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
17
27
36
46
55
65
74
84
94
103
113
123
133
142
152
162
172
182
192
202
212
222
232
242
252
263
273
283
293
304
314

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the muggy band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 68% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11410353218
21411363117
31512363115
41512363114
51513373113
61514373112
71614373110
8161537319
9171637318
10171637317
11181736316
12191836315
131101835314
142111934313
152121934313
162132033302
172132033292
183142132291
193142232281
204142232271
214142333261
224142334240
235142434230
245142435220
255132536210
265132537200
275122538200
285112539190
295102541190
30592542190
31492543190

Wind in December

Winds average 7 km/h in December.

Across December, daily wind ranges from about 6 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 11 h 06 min at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:17 AM to 6:32 AM, and sunset from 5:22 PM to 5:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.16:175:22
211.16:175:22
311.16:185:22
411.16:185:22
511.16:195:23
611.16:195:23
711.16:205:23
811.06:215:24
911.06:215:24
1011.06:225:24
1111.06:225:24
1211.06:235:25
1311.06:235:25
1411.06:245:26
1511.06:245:26
1611.06:255:26
1711.06:255:27
1811.06:265:27
1911.06:275:28
2011.06:275:28
2111.06:275:28
2211.06:285:29
2311.06:285:29
2411.06:295:30
2511.06:295:30
2611.06:305:31
2711.06:305:31
2811.06:315:32
2911.06:315:32
3011.06:315:33
3111.06:325:34

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.85 kWh/m².

For context, solar energy here swings from a low near 2.72 kWh/m² to a high of 6.36 kWh/m² in March across the year — December's 4.85 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.9Bright
174.9Bright
184.9Bright
194.9Bright
204.9Bright
214.9Bright
224.9Bright
234.9Bright
244.9Bright
254.9Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in December

Hazard calendar for Mawlamyine

In seasonPeak

In December, Mawlamyine sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Mawlamyine sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Mawlamyine's monsoon runs May–September, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Mawlamyine?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.6
Sightseeing
1st-best month of the year
8.0
Beach & pool
1st-best month of the year

December is a reasonable time to visit Mawlamyine for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Mawlamyine in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Mawlamyine sees daytime highs around 33°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Mawlamyine in December

The nearest coast averages about 28°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 30 km away) is warmest in April at about 30°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Warm
Mar29Tropical
Apr30Tropical
May30Tropical
Jun29Tropical
Jul28Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Mawlamyine in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Mawlamyine peaks around August 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 8 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 12UV 13Dec 18UV 8
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Extreme
May12Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Mawlamyine in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Mawlamyine is worst in February — around 50 µg/m³ PM2.5 (poor), about 3.5× the cleanest month (June, 15 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModerateFeb 1649 µg/m³Jun 2115 µg/m³
PM2.5 (µg/m³)Level
Jan40Poor
Feb50Poor
Mar42Poor
Apr28Moderate
May19Moderate
Jun15Moderate
Jul16Moderate
Aug16Moderate
Sep15Moderate
Oct17Moderate
Nov23Moderate
Dec30Moderate
Location & terrain

Where is Mawlamyine?

Mawlamyine sits at 16.5°N, 97.6°E, 52 m above sea level, in Myanmar. The nearest listed city is Martaban, 4.0 km away.

Topography around Mawlamyine

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Mawlamyine.

Within 3 km, the terrain around Mawlamyine has only modest variations in elevation — a maximum elevation change of 81 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 262 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,844 m.

The land around Mawlamyine is covered by water (42%), artificial surfaces (25%) and trees (21%) within 3 km, cropland (44%) and trees (26%) within 16 km, and trees (42%), water (29%) and cropland (23%) within 80 km.

3 km
81 m
16 km
262 m
80 km
1,844 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Martaban 4.0 km · Hmaw Bi 16 km · Paung 23 km · Mudon 28 km · Hpa-An 44 km · Kyaikkami 46 km · Thaton 55 km · Thanbyuzayat 59 km

Myanmar travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / C / D / F / G / I
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$1,489
2025
Happiness
4.3 / 10
World Happiness, 2025
Safe drinking water
60%
of population, 2024
Homicide rate
2.6
per 100k, 2023
Road deaths
20.4
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 444
Religion
Buddhist 88%Christian 6%Muslim 4%Animist 1%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Mawlamyine (16.4905°, 97.6282°, elevation 52 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).