Pathum Thani weather in May

In May, Pathum Thani sees average daytime highs of 35°C and overnight lows near 27°C, with 154 mm of rain across 22.2 wet days and about 12.6 hours of daylight. It is the 2nd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 8% 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 Pathum Thani's 8th-clearest and 6th-windiest month. For the whole year in context, see Pathum Thani's year-round climate.

Daytime high
35°
2nd warmest
Overnight low
27°
12th coldest
Rainfall
154 mm
22.2 wet days
Daylight
12 h 36 min
5:55 AM – 6:34 PM
Cloud cover
79%
8th clearest
Wind
8 km/h
6th windiest
Solar energy
5.59 kWh/m²
Travel score
1.7
out of 10

Pathum Thani is town in Pathum Thani province, Thailand.

Air quality
Elevated
PM2.5 25 µg/m³ · 2019

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 35°C through the month.

A typical May day in Pathum Thani reaches about 35°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 32°C and 38°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13627
23627
33627
43627
53627
63627
73627
83627
93627
103527
113527
123527
133527
143527
153527
163527
173527
183527
193527
203527
213527
223527
233527
243527
253527
263527
273527
283527
293527
303527
313527

How May really feels in Pathum Thani

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.

Pathum Thani weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°132.711.34.7
Feb34° / 24°132.611.53.9
Mar35° / 26°46711.92.8
Apr36° / 27°7312.112.31.8
May35° / 27°15422.212.61.7
Jun34° / 27°1522312.81.9
Jul34° / 26°1502412.72.0
Aug33° / 26°16824.412.52.1
Sep33° / 26°25525.512.12.1
Oct32° / 25°17419.811.72.9
Nov33° / 24°385.911.44.1
Dec32° / 22°91.811.24.9

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 13% of May, with mostly cloudy or overcast conditions the remaining 79%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14258
24159
33862
43763
53664
63466
73268
83169
92872
102773
112575
122476
132278
142080
151981
161981
171783
181684
191486
201387
211288
221288
231288
241189
251189
261189
271090
281090
29991
30991
31991

Chance of precipitation in May

Any precipitation

Pathum Thani gets around 154 mm of rain over 22.2 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 71% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
158
259
360
461
562
663
764
865
966
1068
1169
1270
1371
1472
1573
1674
1774
1875
1975
2076
2176
2276
2377
2477
2578
2678
2779
2879
2980
3080
3180

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11882
21882
31783
41684
51585
61585
71486
81486
91486
101387
111387
121387
131288
141288
151288
161288
171288
181288
191288
201288
211189
221189
231189
241189
251189
261189
271189
281189
291090
301090
311090

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 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
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 6:00 AM to 5:52 AM, and sunset from 6:30 PM to 6:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:006:30
212.56:006:30
312.55:596:30
412.55:596:31
512.55:586:31
612.55:586:31
712.65:586:31
812.65:576:31
912.65:576:32
1012.65:576:32
1112.65:566:32
1212.65:566:32
1312.65:566:33
1412.65:556:33
1512.65:556:33
1612.65:556:34
1712.75:546:34
1812.75:546:34
1912.75:546:34
2012.75:546:35
2112.75:546:35
2212.75:536:35
2312.75:536:36
2412.75:536:36
2512.75:536:36
2612.75:536:37
2712.75:536:37
2812.75:536:37
2912.75:536:37
3012.85:536:38
3112.85:526:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.59 kWh/m².

For context, solar energy here swings from a low near 4.58 kWh/m² to a high of 6.19 kWh/m² in April across the year — May's 5.59 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.8Bright
55.8Bright
65.8Bright
75.8Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.6Bright
155.5Bright
165.5Bright
175.5Bright
185.5Bright
195.5Bright
205.5Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.4Bright
315.4Bright
Planning a trip in May

Hazard calendar for Pathum Thani

In seasonPeak

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

Pathum Thani sits in the Pacific typhoon belt; the season peaks July–October.

Pathum Thani's monsoon runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Pathum Thani?

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

1.7
Sightseeing
12th-best month of the year
3.7
Beach & pool
12th-best month of the year

May is a weaker month for outdoor sightseeing in Pathum Thani.

What to pack for Pathum Thani in May

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

In May, Pathum Thani sees daytime highs around 35°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

UV index in Pathum Thani in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pathum Thani peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 19 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 15UV 13Nov 19UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May10Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Pathum Thani 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 Pathum Thani is worst in January — around 34 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (July, 18 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Pathum Thani's WHO annual average of 25 µg/m³.

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateJan 2334 µg/m³Jul 2418 µg/m³
PM2.5 (µg/m³)Level
Jan34Moderate
Feb33Moderate
Mar29Moderate
Apr26Moderate
May22Moderate
Jun18Moderate
Jul18Moderate
Aug18Moderate
Sep22Moderate
Oct27Moderate
Nov27Moderate
Dec27Moderate
Location & terrain

Where is Pathum Thani?

Pathum Thani sits at 14.0°N, 100.5°E, 4 m above sea level, in Thailand. The nearest listed city is Ban Bang Kadi, 3.0 km away.

Topography around Pathum Thani

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

Within 3 km, the terrain around Pathum Thani has only modest variations in elevation — a maximum elevation change of 13 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 54 m; within 80 km, large variations in elevation — a maximum elevation change of 755 m.

The land around Pathum Thani is covered by artificial surfaces (35%) and trees (29%) within 3 km, artificial surfaces (37%), cropland (25%) and trees (23%) within 16 km, and cropland (44%) and trees (21%) within 80 km.

3 km
13 m
16 km
54 m
80 km
755 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ban Bang Kadi 3.0 km · Pak Kret 12 km · Khlong Luang 14 km · Lak Si 15 km · Bang Bua Thong 16 km · Anusawari 16 km · Sai Mai 16 km · Mueang Nonthaburi 17 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 Pathum Thani (14.0135°, 100.5305°, elevation 4 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). 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).