Suphan Buri weather in May

In May, Suphan Buri sees average daytime highs of 36°C and overnight lows near 27°C, with 145 mm of rain across 20.7 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 36°C through the month. The sky is clear or mostly clear about 9% of the time in May, and the air most often feels miserable.

Daylight stretches from about 12 h 30 min at the start of May to 12 h 48 min by month's end. Set against the rest of the year, May is Suphan Buri's 8th-clearest and 7th-windiest month. For the whole year in context, see Suphan Buri's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
145 mm
20.7 wet days
Daylight
12 h 42 min
5:56 AM – 6:36 PM
Cloud cover
78%
8th clearest
Wind
9 km/h
7th windiest
Solar energy
5.66 kWh/m²
Travel score
1.3
out of 10

Suphan Buri is town in Suphan Buri province, Thailand.

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

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 36°C through the month.

A typical May day in Suphan Buri reaches about 36°C in the afternoon and slips back to 27°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 33°C and 39°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

25°30°35°40°45°151015202531
Avg high (°C)Avg low (°C)
13727
23727
33727
43727
53727
63727
73727
83727
93727
103727
113627
123627
133627
143627
153627
163627
173627
183627
193627
203627
213627
223627
233627
243627
253627
263627
273627
283627
293627
303627
313627

How May really feels in Suphan Buri

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.

Suphan Buri weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°132.711.24.4
Feb35° / 23°142.611.53.2
Mar37° / 26°427.711.91.9
Apr38° / 27°8313.312.31.1
May36° / 27°14520.712.71.3
Jun35° / 27°12020.412.81.6
Jul34° / 27°12520.812.81.9
Aug34° / 26°1422212.52.0
Sep34° / 26°23624.212.12.0
Oct33° / 25°18219.411.72.9
Nov33° / 24°396.111.33.9
Dec32° / 22°121.711.24.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% 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 78%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14357
24258
34060
43862
53763
63565
73367
83169
93070
102872
112674
122476
132278
142080
151981
161882
171684
181684
191585
201486
211486
221486
231288
241189
251189
261189
271189
281189
291090
301090
31991

Chance of precipitation in May

Any precipitation

Suphan Buri gets around 145 mm of rain over 20.7 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 67% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
258
359
460
560
661
762
863
964
1065
1166
1267
1367
1468
1569
1669
1769
1870
1970
2070
2170
2270
2370
2470
2570
2670
2770
2870
2970
3071
3171

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
144353
244254
344155
444056
544056
643957
743957
843957
933958
1033958
1133958
1223959
1323959
1423959
1513960
1614059
1714059
1814158
1904159
2004159
2104159
2204258
2304258
2404258
2504258
2604357
2704357
2804357
2904357
3004357
3104357

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
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 30 min at the start of May to 12 h 48 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 6:01 AM to 5:53 AM, and sunset from 6:32 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:016:32
212.56:016:32
312.56:006:32
412.56:006:33
512.66:006:33
612.65:596:33
712.65:596:33
812.65:586:34
912.65:586:34
1012.65:586:34
1112.65:576:34
1212.65:576:35
1312.65:576:35
1412.75:566:35
1512.75:566:36
1612.75:566:36
1712.75:556:36
1812.75:556:36
1912.75:556:37
2012.75:556:37
2112.75:556:37
2212.75:546:38
2312.75:546:38
2412.75:546:38
2512.75:546:39
2612.85:546:39
2712.85:546:39
2812.85:546:40
2912.85:536:40
3012.85:536:40
3112.85:536:40

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.66 kWh/m².

For context, solar energy here swings from a low near 4.53 kWh/m² to a high of 6.28 kWh/m² in April across the year — May's 5.66 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Bright
46.0Bright
55.9Bright
65.9Bright
75.9Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.7Bright
155.6Bright
165.6Bright
175.6Bright
185.6Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Suphan Buri

In seasonPeak

In May, Suphan Buri sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Suphan Buri's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Suphan Buri?

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

1.3
Sightseeing
11th-best month of the year
3.4
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Suphan Buri.

What to pack for Suphan Buri in May

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

In May, Suphan Buri sees daytime highs around 36°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 21 days see rain.

light clothesrain gearsun protection

UV index in Suphan Buri 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 Suphan Buri peaks around August 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 16UV 13Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Suphan Buri 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 Suphan Buri is worst in March — around 57 µg/m³ PM2.5 (unhealthy), about 2.7× the cleanest month (June, 21 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1356 µg/m³Jun 2221 µg/m³
PM2.5 (µg/m³)Level
Jan45Poor
Feb53Poor
Mar57Unhealthy
Apr43Poor
May30Moderate
Jun21Moderate
Jul22Moderate
Aug22Moderate
Sep26Moderate
Oct33Moderate
Nov32Moderate
Dec33Moderate
Location & terrain

Where is Suphan Buri?

Suphan Buri sits at 14.5°N, 100.1°E, 12 m above sea level, in Thailand. The nearest listed city is Phak Hai, 27 km away.

Topography around Suphan Buri

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

Within 3 km, the terrain around Suphan Buri has only modest variations in elevation — a maximum elevation change of 12 m around an average of 7 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 25 m; within 80 km, large variations in elevation — a maximum elevation change of 663 m.

The land around Suphan Buri is covered by artificial surfaces (35%), trees (30%) and cropland (24%) within 3 km, cropland (70%) within 16 km, and cropland (70%) within 80 km.

3 km
12 m
16 km
25 m
80 km
663 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Phak Hai 27 km · Wiset Chaichan 27 km · Bang Ban 41 km · Bang Len 51 km · Ayutthaya 51 km · Bang Racham 51 km · Nakhon Luang 52 km · Sing Buri 55 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 Suphan Buri (14.4742°, 100.1222°, elevation 12 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).