Hmaw Bi weather in May

In May, Hmaw Bi sees average daytime highs of 33°C and overnight lows near 26°C, with 395 mm of rain across 26.5 wet days and about 12.8 hours of daylight. It is the 5th-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 31°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 Hmaw Bi's 8th-clearest and 5th-windiest month. For the whole year in context, see Hmaw Bi's year-round climate.

Daytime high
33°
5th warmest
Overnight low
26°
11th coldest
Rainfall
395 mm
26.5 wet days
Daylight
12 h 48 min
5:33 AM – 6:19 PM
Cloud cover
74%
8th clearest
Wind
7 km/h
5th windiest
Solar energy
4.71 kWh/m²
Travel score
2.2
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 31°C by the end.

A typical May day in Hmaw Bi reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, May runs about 3°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13527
23527
33527
43527
53426
63426
73426
83426
93426
103426
113426
123326
133326
143326
153326
163326
173326
183226
193226
203226
213226
223226
233226
243226
253226
263226
273126
283126
293126
303126
313126

How May really feels in Hmaw Bi

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.

Hmaw Bi weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 20°7111.14.7
Feb34° / 21°30.711.43.7
Mar35° / 24°203.611.92.9
Apr36° / 26°699.512.42.4
May33° / 26°39526.512.82.2
Jun31° / 26°70030132.3
Jul30° / 26°78330.912.92.5
Aug30° / 25°75430.912.62.5
Sep31° / 25°5112912.12.3
Oct33° / 25°19520.611.62.8
Nov33° / 24°34511.24.0
Dec33° / 21°90.8114.8

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 8% 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 (%)
16139
25941
35842
45545
55347
65149
74852
84753
94456
104159
113862
123664
133268
143070
152773
162476
172278
181981
191783
201684
211387
221288
231189
24892
25892
26892
27793
28694
29595
30496
31397

Chance of precipitation in May

Any precipitation

Hmaw Bi gets around 395 mm of rain over 26.5 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 85% and peaks near 99% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
162
264
365
467
569
670
772
873
975
1077
1178
1280
1382
1484
1586
1688
1789
1891
1992
2093
2194
2295
2396
2497
2597
2698
2798
2898
2999
3099
3199

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 98% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
1793
2694
3595
4595
5496
6397
7397
8298
9298
10298
11298
12298
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25199
260100
270100
280100
290100
300100
310100

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 7 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
297calm
307calm
317calm

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 5:30 AM, and sunset from 6:14 PM to 6:24 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:396:14
212.65:386:15
312.65:386:15
412.65:376:15
512.65:376:16
612.75:366:16
712.75:366:16
812.75:366:16
912.75:356:17
1012.75:356:17
1112.75:346:17
1212.75:346:18
1312.75:346:18
1412.85:336:18
1512.85:336:19
1612.85:336:19
1712.85:326:19
1812.85:326:20
1912.85:326:20
2012.85:316:20
2112.85:316:21
2212.85:316:21
2312.85:316:21
2412.95:316:22
2512.95:306:22
2612.95:306:22
2712.95:306:23
2812.95:306:23
2912.95:306:24
3012.95:306:24
3112.95:306:24

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.71 kWh/m².

For context, solar energy here swings from a low near 2.89 kWh/m² to a high of 6.49 kWh/m² in April across the year — May's 4.71 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.7Bright
55.7Bright
65.6Bright
75.5Bright
85.4Bright
95.3Bright
105.2Bright
115.1Bright
125.0Bright
134.9Bright
144.8Bright
154.8Bright
164.7Bright
174.6Bright
184.5Bright
194.4Bright
204.3Bright
214.2Bright
224.2Bright
234.1Bright
244.1Bright
254.0Bright
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.8Moderate
313.8Moderate
Planning a trip in May

Hazard calendar for Hmaw Bi

In seasonPeak

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

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

Hmaw Bi'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 Hmaw Bi?

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

2.2
Sightseeing
12th-best month of the year
3.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Hmaw Bi.

What to pack for Hmaw Bi in May

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

In May, Hmaw Bi sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near Hmaw Bi 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 26 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 Hmaw Bi 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 Hmaw Bi 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 Hmaw Bi 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 Hmaw Bi 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 Hmaw Bi?

Hmaw Bi sits at 16.6°N, 97.6°E, 13 m above sea level, in Myanmar. The nearest listed city is Martaban, 12 km away.

Topography around Hmaw Bi

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

Within 3 km, the terrain around Hmaw Bi has only modest variations in elevation — a maximum elevation change of 46 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 853 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,039 m.

The land around Hmaw Bi is covered by cropland (56%) and water (25%) within 3 km, cropland (44%) and trees (34%) within 16 km, and trees (43%), water (27%) and cropland (24%) within 80 km.

3 km
46 m
16 km
853 m
80 km
2,039 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Martaban 12 km · Mawlamyine 16 km · Paung 17 km · Hpa-An 28 km · Thaton 41 km · Mudon 44 km · Kyaikkami 62 km · Kawkareik 67 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 Hmaw Bi (16.6356°, 97.6153°, elevation 13 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).