Hang Dong weather in May

In May, Hang Dong sees average daytime highs of 35°C and overnight lows near 25°C, with 99 mm of rain across 13.2 wet days and about 12.9 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs ease over the month, from about 36°C in the first days to 34°C by the end. The sky is clear or mostly clear about 24% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of May to 13 hours by month's end. Set against the rest of the year, May is Hang Dong's 8th-clearest and 4th-windiest month. For the whole year in context, see Hang Dong's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
25°
11th coldest
Rainfall
99 mm
13.2 wet days
Daylight
12 h 54 min
5:54 AM – 6:47 PM
Cloud cover
68%
8th clearest
Wind
5 km/h
4th windiest
Solar energy
5.34 kWh/m²
Travel score
2.3
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 34°C by the end.

A typical May day in Hang Dong reaches about 35°C in the afternoon and slips back to 25°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 39°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13625
23625
33625
43625
53625
63625
73625
83625
93525
103525
113525
123525
133525
143525
153525
163525
173525
183525
193525
203425
213425
223425
233425
243425
253425
263425
273425
283425
293425
303425
313425

How May really feels in Hang Dong

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
14 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.

Hang Dong weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 15°71.3116.7
Feb33° / 17°30.711.45.0
Mar35° / 20°122.111.93.1
Apr37° / 24°264.412.41.9
May35° / 25°9913.212.92.3
Jun33° / 25°12018.313.12.5
Jul32° / 25°17521.9132.6
Aug31° / 25°23625.112.62.7
Sep31° / 24°22723.412.12.8
Oct31° / 22°11415.711.64.0
Nov30° / 19°21411.15.8
Dec29° / 16°91.210.97.2

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16535
26337
36139
46040
55743
65644
75446
85248
95050
104852
114555
124456
134258
144060
153961
163763
173565
183367
193268
203169
212971
222872
232674
242674
252476
262476
272278
282179
291981
301882
311882

Chance of precipitation in May

Any precipitation

Hang Dong gets around 99 mm of rain over 13.2 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 42% and peaks near 55% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
126
227
328
429
530
631
732
834
935
1037
1138
1240
1341
1442
1544
1645
1745
1846
1947
2048
2148
2249
2350
2451
2551
2652
2752
2853
2954
3054
3155

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 63% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

0%25%50%75%100%151015202531
Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
111344420
211243440
311142460
411041471
51940491
61839511
71739521
80638542
90537562
100535582
110434593
120433603
130332623
140330634
150229654
160228655
170126685
180125686
190123706
200122707
210121708
220020728
230018739
2400177310
2500167311
2600157312
2700147313
2800137413
2900127414
3000127315
3100117415

Wind in May

Winds average 5 km/h in May.

Across May, 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 May

DaylightNight

Daylight runs from about 12 h 42 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over May. Sunrise moves from 6:01 AM to 5:51 AM, and sunset from 6:42 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.76:016:42
212.76:016:42
312.76:006:42
412.76:006:43
512.75:596:43
612.75:596:43
712.85:586:44
812.85:586:44
912.85:576:44
1012.85:576:45
1112.85:566:45
1212.85:566:45
1312.85:556:46
1412.95:556:46
1512.95:556:47
1612.95:546:47
1712.95:546:47
1812.95:546:48
1912.95:536:48
2012.95:536:48
2112.95:536:49
2212.95:526:49
2313.05:526:50
2413.05:526:50
2513.05:526:50
2613.05:516:51
2713.05:516:51
2813.05:516:52
2913.05:516:52
3013.05:516:52
3113.05:516:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.34 kWh/m².

For context, solar energy here swings from a low near 3.96 kWh/m² to a high of 6.3 kWh/m² in March across the year — May's 5.34 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.8Bright
45.8Bright
55.8Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.4Bright
135.4Bright
145.4Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
314.9Bright
Planning a trip in May

Hazard calendar for Hang Dong

In seasonPeak

None of Hang Dong's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Hang Dong's monsoon runs June–October, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Hang Dong?

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

2.3
Sightseeing
11th-best month of the year
4.9
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Hang Dong.

What to pack for Hang Dong in May

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

In May, Hang Dong sees daytime highs around 35°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 13 days see rain.

light clothesrain gearsun protection

UV index in Hang Dong 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 Hang Dong peaks around August 13 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 13UV 13Jan 1UV 7
UV index (midday)Level
Jan7Very high
Feb9Very high
Mar9Very high
Apr10Very high
May12Extreme
Jun13Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Hang Dong 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 Hang Dong is worst in March — around 69 µg/m³ PM2.5 (unhealthy), about 4.3× the cleanest month (July, 16 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyModerateMar 2067 µg/m³Jul 1216 µg/m³
PM2.5 (µg/m³)Level
Jan37Poor
Feb46Poor
Mar69Unhealthy
Apr61Unhealthy
May28Moderate
Jun16Moderate
Jul16Moderate
Aug17Moderate
Sep21Moderate
Oct25Moderate
Nov28Moderate
Dec32Moderate
Location & terrain

Where is Hang Dong?

Hang Dong sits at 18.7°N, 98.9°E, 311 m above sea level, in Thailand. The nearest listed city is San Pa Tong, 7.0 km away.

Phayao

Topography around Hang Dong

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

Within 3 km, the terrain around Hang Dong has only modest variations in elevation — a maximum elevation change of 47 m around an average of 313 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,397 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,362 m.

The land around Hang Dong is covered by trees (43%), artificial surfaces (30%) and cropland (20%) within 3 km, trees (64%) within 16 km, and trees (83%) within 80 km.

3 km
47 m
16 km
1,397 m
80 km
2,362 m
treesshrubsgrasslandcroplandartificial surfaces
May weather nearby: San Pa Tong 7.0 km · Chiang Mai 13 km · Lamphun 15 km · Pa Sang 18 km · San Kamphaeng 22 km · Lampang 75 km · Pai 90 km · Phayao 115 km

Thailand travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B / C
230 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$8,057
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
4.8
per 100k, 2011
Road deaths
32.2
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 402
Religion
Buddhist 93%Muslim 5%Christian 1%other 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 Hang Dong (18.687°, 98.9194°, elevation 311 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. 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).