Thayetmyo weather in December

In December, Thayetmyo sees average daytime highs of 30°C and overnight lows near 19°C, with 6 mm of rain across 0.9 wet days and about 10.9 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°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 Thayetmyo's 4th-clearest and 8th-windiest month. For the whole year in context, see Thayetmyo's year-round climate.

Daytime high
30°
12th warmest
Overnight low
19°
3rd coldest
Rainfall
6 mm
0.9 wet days
Daylight
10 h 48 min
6:40 AM – 5:31 PM
Cloud cover
24%
4th clearest
Wind
7 km/h
8th windiest
Solar energy
4.58 kWh/m²
Travel score
6.4
out of 10

Thayetmyo is human settlement 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 30°C through the month.

A typical December day in Thayetmyo reaches about 30°C in the afternoon and slips back to 19°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, December runs about 1°C cooler than November and on par with January.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83120
93120
103119
113119
123019
133019
143019
153019
163019
173019
183019
193018
203018
213018
223018
233018
243018
253018
263018
273018
283018
293018
303017
313017

How December really feels in Thayetmyo

Once humidity and wind are folded in, December averages 3 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
3
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.

Thayetmyo weather by month

How December compares with the rest of the year at a glance. December is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 17°70.6116.2
Feb34° / 18°00.111.34.1
Mar37° / 22°40.911.91.8
Apr39° / 25°182.212.40.6
May36° / 26°13316.912.91.5
Jun32° / 26°31327.613.12.2
Jul31° / 25°31029.6132.4
Aug31° / 25°2772912.72.4
Sep32° / 25°2282612.12.4
Oct32° / 25°12918.411.63.1
Nov32° / 22°274.511.14.9
Dec30° / 19°60.910.96.4

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 10% of December, with mostly cloudy or overcast conditions the remaining 14%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18218
28218
38119
48119
58119
68119
78119
88218
98317
108317
118416
128416
138416
148515
158614
168713
178713
188713
198812
208911
218911
228911
238911
248911
258911
268911
278911
288812
298812
308713
318713

Chance of precipitation in December

Any precipitation

Thayetmyo gets around 6 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 6% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
26
35
45
55
64
74
84
94
103
113
123
133
143
153
162
172
182
192
202
212
222
232
242
252
262
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 41% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1063541171
2073641160
3083740150
4093839140
50103938130
60114036130
70124035120
80144134110
90154233100
10017423190
11118433080
12120432880
13122432770
14124442560
15226442360
16227442150
17229442040
18331451840
19332451730
20433451530
21535451420
22536441220
23638441110
24739431010
2574042910
2684241910
2784340910
2884438910
2994537910
3094636900
31104734900

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
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
296calm
306calm
316calm

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 6:31 AM to 6:47 AM, and sunset from 5:27 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.96:315:27
210.96:325:27
310.96:335:27
410.96:335:27
510.96:345:27
610.96:355:28
710.96:355:28
810.96:365:28
910.96:365:28
1010.96:375:29
1110.96:375:29
1210.96:385:29
1310.86:395:30
1410.86:395:30
1510.86:405:30
1610.86:405:31
1710.86:415:31
1810.86:415:31
1910.86:425:32
2010.86:425:32
2110.86:435:33
2210.86:435:33
2310.86:445:34
2410.86:445:34
2510.86:455:35
2610.86:455:35
2710.86:455:36
2810.86:465:36
2910.86:465:37
3010.86:475:37
3110.86:475:38

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 4.58 kWh/m².

For context, solar energy here swings from a low near 3.71 kWh/m² to a high of 6.88 kWh/m² in April across the year — December's 4.58 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
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
314.7Bright
Planning a trip in December

Hazard calendar for Thayetmyo

In seasonPeak

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

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

Thayetmyo'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 Thayetmyo?

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

6.4
Sightseeing
1st-best month of the year
8.8
Beach & pool
2nd-best month of the year

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

What to pack for Thayetmyo in December

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

In December, Thayetmyo sees daytime highs around 30°C and nights near 19°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Thayetmyo 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 Thayetmyo peaks around August 11 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highHighAug 11UV 12Dec 18UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar9Very high
Apr10Very high
May13Extreme
Jun9Very high
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Thayetmyo 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 Thayetmyo is worst in March — around 137 µg/m³ PM2.5 (unhealthy), about 9.7× the cleanest month (July, 14 µg/m³).

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

0306090120150JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyModerateMar 17129 µg/m³Sep 2114 µg/m³
PM2.5 (µg/m³)Level
Jan30Moderate
Feb68Unhealthy
Mar137Unhealthy
Apr70Unhealthy
May24Moderate
Jun15Moderate
Jul14Moderate
Aug16Moderate
Sep14Moderate
Oct15Moderate
Nov17Moderate
Dec23Moderate
Location & terrain

Where is Thayetmyo?

Thayetmyo sits at 19.3°N, 95.2°E, 47 m above sea level, in Myanmar. The nearest listed city is Myaydo, 6.0 km away.

Topography around Thayetmyo

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

Within 3 km, the terrain around Thayetmyo has only modest variations in elevation — a maximum elevation change of 69 m around an average of 41 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 355 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,498 m.

The land around Thayetmyo is covered by cropland (36%) and trees (20%) within 3 km, cropland (39%), trees (33%) and grassland (20%) within 16 km, and trees (49%) and cropland (30%) within 80 km.

3 km
69 m
16 km
355 m
80 km
1,498 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Myaydo 6.0 km · Pyay 56 km · Taungdwingyi 85 km · Magway 96 km · Paungde 98 km · Minbu 101 km · Lewe 103 km · Naypyidaw 110 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 Thayetmyo (19.3208°, 95.1827°, elevation 47 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). 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).