Hpa-An weather in May

In May, Hpa-An sees average daytime highs of 33°C and overnight lows near 25°C, with 403 mm of rain across 27.2 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 31°C by the end. The sky is clear or mostly clear about 18% 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 Hpa-An's 8th-clearest and 6th-windiest month. For the whole year in context, see Hpa-An's year-round climate.

Daytime high
33°
4th warmest
Overnight low
25°
11th coldest
Rainfall
403 mm
27.2 wet days
Daylight
12 h 48 min
5:32 AM – 6:19 PM
Cloud cover
75%
8th clearest
Wind
6 km/h
6th windiest
Solar energy
4.55 kWh/m²
Travel score
2.0
out of 10

Hpa-An is city in Kayin State, Myanmar.

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

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 31°C by the end.

A typical May day in Hpa-An reaches about 33°C in the afternoon and slips back to 25°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 37°C. Set against its neighbours, May runs about 4°C cooler than April and about 3°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13626
23626
33626
43626
53526
63526
73526
83526
93526
103426
113425
123425
133425
143425
153325
163325
173325
183325
193325
203225
213225
223225
233225
243225
253225
263225
273225
283125
293125
303125
313125

How May really feels in Hpa-An

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.

Hpa-An 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
Jan33° / 18°81.111.14.6
Feb35° / 19°40.511.43.2
Mar37° / 23°203.311.91.9
Apr37° / 26°679.912.41.4
May33° / 25°40327.212.82.0
Jun30° / 25°76229.9132.4
Jul30° / 25°90330.912.92.5
Aug30° / 25°88930.912.62.5
Sep31° / 25°52729.412.12.3
Oct33° / 25°19020.511.62.8
Nov33° / 23°324.711.23.9
Dec33° / 20°90.9114.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% of May, with mostly cloudy or overcast conditions the remaining 72%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15941
25743
35545
45347
55248
65050
74852
84654
94456
104159
113961
123565
133367
143070
152872
162575
172377
182179
191882
201684
211585
221288
231189
241090
25991
26892
27694
28694
29595
30595
31595

Chance of precipitation in May

Any precipitation

Hpa-An gets around 403 mm of rain over 27.2 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 87% and peaks near 100% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
165
267
369
471
573
674
776
877
979
1080
1182
1283
1385
1487
1588
1690
1791
1892
1993
2095
2196
2296
2397
2498
2598
2699
2799
2899
2999
30100
31100

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 88% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
123563
223266
323068
412871
512673
612475
712277
812079
901981
1001783
1101585
1201486
1301288
1401189
1501090
160991
170892
180793
190694
200595
210595
220496
230397
240397
250298
260298
270199
280199
290199
300199
3100100

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 km/h on the calmest days to 6 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
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

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 5:39 AM to 5:29 AM, and sunset from 6:15 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:396:15
212.65:386:15
312.65:386:15
412.65:376:16
512.75:376:16
612.75:366:16
712.75:366:16
812.75:356:17
912.75:356:17
1012.75:346:17
1112.75:346:18
1212.75:336:18
1312.85:336:18
1412.85:336:19
1512.85:326:19
1612.85:326:19
1712.85:326:20
1812.85:316:20
1912.85:316:20
2012.85:316:21
2112.85:316:21
2212.85:306:21
2312.95:306:22
2412.95:306:22
2512.95:306:22
2612.95:306:23
2712.95:306:23
2812.95:296:24
2912.95:296:24
3012.95:296:24
3112.95:296:25

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.55 kWh/m².

For context, solar energy here swings from a low near 2.66 kWh/m² to a high of 6.39 kWh/m² in March across the year — May's 4.55 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.7Bright
35.6Bright
45.6Bright
55.5Bright
65.4Bright
75.3Bright
85.3Bright
95.2Bright
105.1Bright
115.0Bright
124.9Bright
134.8Bright
144.7Bright
154.6Bright
164.5Bright
174.4Bright
184.3Bright
194.2Bright
204.1Bright
214.1Bright
224.0Bright
234.0Moderate
243.9Moderate
253.8Moderate
263.8Moderate
273.8Moderate
283.7Moderate
293.7Moderate
303.6Moderate
313.6Moderate
Planning a trip in May

Hazard calendar for Hpa-An

In seasonPeak

In May, Hpa-An sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

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

Hpa-An'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 May a good time to visit Hpa-An?

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

2.0
Sightseeing
10th-best month of the year
3.6
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Hpa-An.

What to pack for Hpa-An in May

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

In May, Hpa-An sees daytime highs around 33°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Hpa-An 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 40 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 Hpa-An in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hpa-An peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 7 (very 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 19UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar10Very high
Apr10Very high
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Hpa-An 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 Hpa-An is worst in April — around 74 µg/m³ PM2.5 (unhealthy), about 5.6× the cleanest month (June, 13 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 1172 µg/m³Jun 2313 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb35Moderate
Mar63Unhealthy
Apr74Unhealthy
May20Moderate
Jun13Moderate
Jul14Moderate
Aug15Moderate
Sep14Moderate
Oct15Moderate
Nov18Moderate
Dec22Moderate
Location & terrain

Where is Hpa-An?

Hpa-An sits at 16.9°N, 97.6°E, 18 m above sea level, in Myanmar. The nearest listed city is Hmaw Bi, 28 km away.

Topography around Hpa-An

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

Within 3 km, the terrain around Hpa-An has only modest variations in elevation — a maximum elevation change of 130 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 620 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,026 m.

The land around Hpa-An is covered by trees (37%) and cropland (23%) within 3 km, trees (42%) and cropland (37%) within 16 km, and trees (51%) and cropland (23%) within 80 km.

3 km
130 m
16 km
620 m
80 km
2,026 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Hmaw Bi 28 km · Thaton 28 km · Paung 36 km · Martaban 40 km · Mawlamyine 44 km · Mudon 71 km · Kawkareik 74 km · Kyaikto 81 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 Hpa-An (16.8895°, 97.6348°, 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).