Thanhlyin weather in May

In May, Thanhlyin sees average daytime highs of 34°C and overnight lows near 27°C, with 271 mm of rain across 22.4 wet days and about 12.8 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 32°C by the end. The sky is clear or mostly clear about 20% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Thanhlyin's 8th-clearest and 4th-windiest month. For the whole year in context, see Thanhlyin's year-round climate.

Daytime high
34°
4th warmest
Overnight low
27°
12th coldest
Rainfall
271 mm
22.4 wet days
Daylight
12 h 48 min
5:38 AM – 6:25 PM
Cloud cover
74%
8th clearest
Wind
9 km/h
4th windiest
Solar energy
5.05 kWh/m²
Travel score
1.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 36°C in the first days to 32°C by the end.

A typical May day in Thanhlyin reaches about 34°C in the afternoon and slips back to 27°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 38°C. Set against its neighbours, May runs about 3°C cooler than April and about 3°C warmer than June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13727
23727
33627
43627
53627
63627
73627
83627
93627
103527
113527
123527
133527
143527
153427
163427
173427
183427
193427
203327
213327
223326
233326
243326
253326
263326
273326
283226
293226
303226
313226

How May really feels in Thanhlyin

Once humidity and wind are folded in, May 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
31 feel dangerously hot (≥ 39°C)
Days feeling ≤ C
0
wind chill below the day's low

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

Thanhlyin weather by month

How May compares with the rest of the year at a glance. May is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 19°40.711.15.0
Feb35° / 20°20.311.43.6
Mar37° / 23°111.811.92.3
Apr37° / 26°41512.41.6
May34° / 27°27122.412.81.9
Jun31° / 26°45029.7132.2
Jul31° / 26°48430.612.92.3
Aug31° / 26°48230.812.62.3
Sep31° / 26°35928.712.12.3
Oct32° / 25°17320.211.63.0
Nov33° / 24°354.511.24.4
Dec32° / 21°50.7115.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 69%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16436
26238
36040
45941
55743
65446
75248
85050
94852
104456
114258
124060
133763
143466
153268
162872
172674
182476
192278
201981
211783
221684
231486
241387
251288
261189
27991
28892
29793
30793
31694

Chance of precipitation in May

Any precipitation

Thanhlyin gets around 271 mm of rain over 22.4 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 72% and peaks near 97% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
140
242
345
447
549
651
753
855
957
1059
1161
1264
1366
1469
1571
1673
1776
1878
1980
2082
2184
2286
2388
2489
2591
2692
2793
2894
2995
3096
3197

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the miserable band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
114257
213960
313762
403565
503268
603070
702872
802674
902476
1002278
1102080
1201981
1301783
1401585
1501387
1601288
1701090
180991
190892
200694
210595
220496
230397
240397
250298
260298
270199
280199
290199
3000100
3100100

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 5:44 AM to 5:35 AM, and sunset from 6:20 PM to 6:30 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:446:20
212.65:446:20
312.65:436:21
412.65:436:21
512.65:426:21
612.75:426:22
712.75:416:22
812.75:416:22
912.75:406:22
1012.75:406:23
1112.75:406:23
1212.75:396:23
1312.75:396:24
1412.85:386:24
1512.85:386:24
1612.85:386:25
1712.85:376:25
1812.85:376:25
1912.85:376:26
2012.85:376:26
2112.85:366:26
2212.85:366:27
2312.95:366:27
2412.95:366:28
2512.95:366:28
2612.95:356:28
2712.95:356:29
2812.95:356:29
2912.95:356:29
3012.95:356:30
3112.95:356:30

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.05 kWh/m².

For context, solar energy here swings from a low near 3.25 kWh/m² to a high of 6.8 kWh/m² in April across the year — May's 5.05 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.1Intense
46.0Intense
56.0Bright
65.9Bright
75.8Bright
85.7Bright
95.6Bright
105.5Bright
115.5Bright
125.4Bright
135.3Bright
145.2Bright
155.1Bright
165.0Bright
174.9Bright
184.8Bright
194.8Bright
204.7Bright
214.6Bright
224.5Bright
234.5Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.2Bright
294.2Bright
304.1Bright
314.1Bright
Planning a trip in May

Hazard calendar for Thanhlyin

In seasonPeak

In May, Thanhlyin sits inside its cyclone and monsoon season. The full year is below, with each hazard's peak months called out.

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

Thanhlyin'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 May a good time to visit Thanhlyin?

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

1.9
Sightseeing
11th-best month of the year
3.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Thanhlyin.

What to pack for Thanhlyin in May

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

In May, Thanhlyin sees daytime highs around 34°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

Sea temperature near Thanhlyin in May

The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 44 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
Jul29Tropical
Aug28Tropical
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec27Warm

UV index in Thanhlyin in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Thanhlyin 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
Mar9Very high
Apr10Very high
May12Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov9Very high
Dec7Very high

Air quality in Thanhlyin in May

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Thanhlyin is worst in February — around 41 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (June, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorModeratePoorFeb 1841 µg/m³Jun 2320 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb41Poor
Mar40Poor
Apr31Moderate
May23Moderate
Jun20Moderate
Jul20Moderate
Aug21Moderate
Sep20Moderate
Oct24Moderate
Nov33Moderate
Dec37Poor
Location & terrain

Where is Thanhlyin?

Thanhlyin sits at 16.8°N, 96.2°E, 18 m above sea level, in Myanmar. The nearest listed city is Thanlyin, 1.0 km away.

Topography around Thanhlyin

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

Within 3 km, the terrain around Thanhlyin has only modest variations in elevation — a maximum elevation change of 33 m around an average of 5 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 64 m; within 80 km, significant variations in elevation — a maximum elevation change of 298 m.

The land around Thanhlyin is covered by water (32%) and trees (29%) within 3 km, cropland (44%) within 16 km, and cropland (48%) and water (30%) within 80 km.

3 km
33 m
16 km
64 m
80 km
298 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Thanlyin 1.0 km · Pazundaung 8.0 km · Botataung 8.0 km · Mingala Tangnyunt 8.0 km · Yangon 10 km · Myenigon 12 km · Sangyoung 12 km · Ahlone 13 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 Thanhlyin (16.7819°, 96.2468°, elevation 18 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).