Ann weather in December

In December, Ann sees average daytime highs of 29°C and overnight lows near 16°C, with 10 mm of rain across 0.8 wet days and about 10.8 hours of daylight. It is the 9th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 76% of the time in December, and the air most often feels humid.

Daylight stretches from about 10 h 54 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Ann's 4th-clearest and 7th-windiest month. For the whole year in context, see Ann's year-round climate.

Daytime high
29°
9th warmest
Overnight low
16°
3rd coldest
Rainfall
10 mm
0.8 wet days
Daylight
10 h 48 min
6:46 AM – 5:34 PM
Cloud cover
23%
4th clearest
Wind
5 km/h
7th windiest
Solar energy
4.59 kWh/m²
Travel score
7.2
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical December day in Ann reaches about 29°C in the afternoon and slips back to 16°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, December runs about 2°C cooler than November and on par with January.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13018
23017
33017
43017
53017
63017
73017
83017
92917
102917
112916
122916
132916
142916
152916
162916
172916
182916
192915
202915
212915
222915
232915
242915
252915
262915
272815
282815
292814
302814
312814

How December really feels in Ann

Once humidity and wind are folded in, December averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ann weather by month

How December compares with the rest of the year at a glance. December is the 9th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 13°60.610.97.7
Feb31° / 15°40.411.36.4
Mar33° / 19°61.311.94.9
Apr34° / 22°234.412.44.0
May32° / 24°27121.512.93.0
Jun29° / 24°76429.513.22.7
Jul29° / 24°76130.713.12.8
Aug29° / 24°63730.712.72.8
Sep30° / 24°42228.712.12.7
Oct31° / 23°18520.911.53.5
Nov31° / 20°354.311.15.6
Dec29° / 16°100.810.87.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 76% of the time in December.

Beyond those clear spells, partly cloudy skies cover about 9% of December, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38020
48119
58119
68119
78020
88020
98119
108119
118119
128317
138317
148416
158416
168515
178614
188713
198812
208911
218911
228911
238911
249010
259010
269010
279010
289010
298911
308911
319010

Chance of precipitation in December

Any precipitation

Ann gets around 10 mm of rain over 0.8 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 5% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
44
54
64
74
83
93
103
113
123
133
143
153
163
172
182
192
202
212
222
232
242
252
263
273
283
293
303
313

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, December lands in the humid band about 38% of days. Sticky, muggy-or-worse air turns up on roughly 22% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1010483210
201148329
301347318
401546318
511646307
611845306
712044296
812243285
912443275
1022642264
1122841254
1233040243
1333239233
1433439213
1543638202
1643737192
1753937182
1864036161
1964136151
2074336141
2184435131
2294534111
2394634100
2410483390
2510493290
2611503180
2711513080
2812522970
2913512970
3013522870
3114522770

Wind in December

Winds average 5 km/h in December.

Across December, daily wind ranges from about 5 km/h on the calmest days to 5 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 10 h 54 min at the start of December to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 6:37 AM to 6:52 AM, and sunset from 5:30 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:375:30
210.96:375:30
310.96:385:31
410.96:395:31
510.96:395:31
610.96:405:31
710.86:415:31
810.86:415:32
910.86:425:32
1010.86:425:32
1110.86:435:33
1210.86:435:33
1310.86:445:33
1410.86:455:34
1510.86:455:34
1610.86:465:34
1710.86:465:35
1810.86:475:35
1910.86:475:36
2010.86:485:36
2110.86:485:36
2210.86:495:37
2310.86:495:37
2410.86:505:38
2510.86:505:38
2610.86:505:39
2710.86:515:39
2810.86:515:40
2910.86:525:40
3010.86:525:41
3110.86:525:42

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.59 kWh/m².

For context, solar energy here swings from a low near 2.96 kWh/m² to a high of 6.55 kWh/m² in March across the year — December's 4.59 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.8Bright
Planning a trip in December

Hazard calendar for Ann

In seasonPeak

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

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

Ann's monsoon runs June–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 Ann?

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

7.2
Sightseeing
2nd-best month of the year
9.0
Beach & pool
2nd-best month of the year

December is one of the better times to visit Ann for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Ann in December

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

In December, Ann sees daytime highs around 29°C and nights near 16°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

Sea temperature near Ann 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 48 km away) is warmest in May at about 30°C and coldest in February near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan26Warm
Feb26Warm
Mar27Warm
Apr29Tropical
May30Tropical
Jun29Tropical
Jul29Tropical
Aug28Tropical
Sep29Tropical
Oct30Tropical
Nov29Tropical
Dec28Warm

UV index in Ann in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ann peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highAug 11UV 13Dec 20UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar10Extreme
Apr10Very high
May12Extreme
Jun11Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Ann 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 Ann is worst in April — around 44 µg/m³ PM2.5 (poor), about 5.3× the cleanest month (November, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodApr 1243 µg/m³Nov 129 µg/m³
PM2.5 (µg/m³)Level
Jan22Moderate
Feb30Moderate
Mar39Poor
Apr44Poor
May29Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep12Moderate
Oct10Good
Nov8Good
Dec14Moderate
Location & terrain

Where is Ann?

Ann sits at 19.8°N, 94.0°E, 26 m above sea level, in Myanmar. The nearest listed city is Kyaukpyu, 66 km away.

Mrauk USittwe

Topography around Ann

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

Within 3 km, the terrain around Ann has only modest variations in elevation — a maximum elevation change of 246 m around an average of 47 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 696 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,963 m.

The land around Ann is covered by trees (70%) and grassland (20%) within 3 km, trees (88%) within 16 km, and trees (64%) within 80 km.

3 km
246 m
16 km
696 m
80 km
1,963 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
December weather nearby: Kyaukpyu 66 km · Minbu 97 km · Magway 100 km · Taungup 106 km · Manaung 110 km · Yenangyaung 114 km · Mrauk U 126 km · Sittwe 126 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 Ann (19.7954°, 94.0479°, elevation 26 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).