Uthai Thani weather in May

In May, Uthai Thani sees average daytime highs of 36°C and overnight lows near 27°C, with 158 mm of rain across 21.9 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 4th-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 11% 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 Uthai Thani's 8th-clearest and 6th-windiest month. For the whole year in context, see Uthai Thani's year-round climate.

Daytime high
36°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
158 mm
21.9 wet days
Daylight
12 h 42 min
5:55 AM – 6:38 PM
Cloud cover
75%
8th clearest
Wind
7 km/h
6th windiest
Solar energy
5.69 kWh/m²
Travel score
1.3
out of 10

Uthai Thani is town in Uthai Thani 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 Uthai Thani 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 40°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
113727
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 Uthai 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.

Uthai Thani weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 21°112.111.24.7
Feb35° / 22°122.111.53.2
Mar37° / 25°406.811.91.8
Apr38° / 27°7212.412.31.1
May36° / 27°15821.912.71.3
Jun35° / 27°13823.712.91.5
Jul35° / 27°14923.112.81.7
Aug34° / 26°19525.112.51.9
Sep33° / 26°26925.912.12.0
Oct32° / 25°17918.811.73.0
Nov32° / 23°315.311.34.4
Dec31° / 21°101.611.15.3

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 14% of May, with mostly cloudy or overcast conditions the remaining 75%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14852
24753
34555
44456
54357
64159
73961
83763
93565
103367
113169
122872
132773
142674
152377
162179
172179
181981
191783
201684
211585
221585
231486
241387
251387
261387
271387
281288
291189
301090
311090

Chance of precipitation in May

Any precipitation

Uthai Thani gets around 158 mm of rain over 21.9 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 (%)
159
260
360
461
562
663
763
864
965
1066
1167
1268
1369
1470
1571
1672
1773
1873
1974
2075
2175
2276
2376
2477
2577
2678
2778
2878
2979
3079
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 63% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
154648
254451
354253
454154
543957
643858
743660
833661
933562
1033463
1123464
1223365
1323365
1423365
1523365
1613366
1713465
1813465
1913465
2013465
2113465
2213465
2313465
2413366
2513366
2613366
2713267
2813267
2913267
3013267
3113267

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 8 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
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 6:01 AM to 5:52 AM, and sunset from 6:33 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:016:33
212.66:006:34
312.66:006:34
412.65:596:34
512.65:596:34
612.65:586:35
712.65:586:35
812.65:586:35
912.65:576:35
1012.75:576:36
1112.75:566:36
1212.75:566:36
1312.75:566:37
1412.75:556:37
1512.75:556:37
1612.75:556:38
1712.75:546:38
1812.75:546:38
1912.75:546:38
2012.85:546:39
2112.85:536:39
2212.85:536:39
2312.85:536:40
2412.85:536:40
2512.85:536:40
2612.85:536:41
2712.85:536:41
2812.85:526:41
2912.85:526:42
3012.85:526:42
3112.85:526:42

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.69 kWh/m².

For context, solar energy here swings from a low near 4.5 kWh/m² to a high of 6.27 kWh/m² in April across the year — May's 5.69 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
115.8Bright
125.7Bright
135.7Bright
145.7Bright
155.7Bright
165.6Bright
175.6Bright
185.6Bright
195.6Bright
205.6Bright
215.6Bright
225.6Bright
235.6Bright
245.6Bright
255.5Bright
265.5Bright
275.5Bright
285.5Bright
295.5Bright
305.5Bright
315.5Bright
Planning a trip in May

Hazard calendar for Uthai Thani

In seasonPeak

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

Uthai Thani's monsoon runs May–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 Uthai Thani?

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
3.3
Beach & pool
12th-best month of the year

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

What to pack for Uthai Thani in May

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

In May, Uthai Thani sees daytime highs around 36°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 Uthai Thani 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 Uthai Thani peaks around August 15 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 14Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Uthai 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 Uthai Thani is worst in March — around 59 µg/m³ PM2.5 (unhealthy), about 3.3× the cleanest month (June, 18 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecPoorPoorModerateMar 1657 µg/m³Jun 2118 µg/m³
PM2.5 (µg/m³)Level
Jan39Poor
Feb47Poor
Mar59Unhealthy
Apr44Poor
May27Moderate
Jun18Moderate
Jul20Moderate
Aug20Moderate
Sep24Moderate
Oct29Moderate
Nov30Moderate
Dec32Moderate
Location & terrain

Where is Uthai Thani?

Uthai Thani sits at 15.4°N, 100.0°E, 28 m above sea level, in Thailand. The nearest listed city is Thap Than, 17 km away.

Topography around Uthai Thani

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

Within 3 km, the terrain around Uthai Thani has only modest variations in elevation — a maximum elevation change of 141 m around an average of 26 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 222 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,533 m.

The land around Uthai Thani is covered by trees (36%) and cropland (36%) within 3 km, cropland (69%) and trees (20%) within 16 km, and cropland (79%) within 80 km.

3 km
141 m
16 km
222 m
80 km
1,533 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Thap Than 17 km · Chai Nat 24 km · Nakhon Sawan 38 km · Lat Yao 48 km · Bang Racham 63 km · Sing Buri 68 km · Khanu Woralaksaburi 78 km · Bang Mun Nak 81 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 Uthai Thani (15.3794°, 100.0245°, elevation 28 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).