Tha Ruea weather in May

In May, Tha Ruea sees average daytime highs of 35°C and overnight lows near 27°C, with 158 mm of rain across 22 wet days and about 12.7 hours of daylight. It is the 3rd-warmest and 5th-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 7% 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 Tha Ruea's 8th-clearest and 7th-windiest month. For the whole year in context, see Tha Ruea's year-round climate.

Daytime high
35°
3rd warmest
Overnight low
27°
12th coldest
Rainfall
158 mm
22 wet days
Daylight
12 h 42 min
5:53 AM – 6:34 PM
Cloud cover
79%
8th clearest
Wind
9 km/h
7th windiest
Solar energy
5.49 kWh/m²
Travel score
1.7
out of 10

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 Tha Ruea 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
313427

How May really feels in Tha Ruea

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.

Tha Ruea weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 22°102.711.24.3
Feb34° / 23°143.111.53.4
Mar36° / 25°407.311.92.4
Apr36° / 27°7112.112.31.7
May35° / 27°1582212.71.7
Jun34° / 26°17424.112.81.9
Jul33° / 26°18024.512.82.1
Aug33° / 26°20926.712.52.0
Sep33° / 26°27125.912.12.2
Oct32° / 25°13918.311.73.1
Nov32° / 24°264.811.34.2
Dec32° / 22°71.511.24.8

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 7% 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 80%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
23961
33862
43763
53466
63367
73169
82971
92773
102674
112476
122278
132080
141981
151783
161684
171585
181486
191387
201288
211189
221189
231090
241090
251090
261189
271090
28991
29991
30991
31892

Chance of precipitation in May

Any precipitation

Tha Ruea gets around 158 mm of rain over 22 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 82% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
155
257
358
459
560
661
763
864
965
1067
1168
1270
1371
1472
1573
1674
1775
1876
1976
2077
2177
2277
2378
2478
2579
2679
2780
2880
2981
3081
3182

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 (%)
12278
22179
32080
41981
51882
61783
71684
81585
91585
101486
111486
121387
131288
141288
151189
161189
171189
181189
191090
201090
211090
221090
231090
241090
251090
261090
271090
281090
291090
301090
311090

Wind in May

Winds average 9 km/h in May.

Across May, daily wind ranges from about 9 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
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
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 5:59 AM to 5:51 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)
112.55:596:30
212.55:586:30
312.55:586:30
412.55:576:30
512.65:576:31
612.65:576:31
712.65:566:31
812.65:566:31
912.65:556:32
1012.65:556:32
1112.65:556:32
1212.65:546:32
1312.65:546:33
1412.75:546:33
1512.75:536:33
1612.75:536:34
1712.75:536:34
1812.75:536:34
1912.75:526:34
2012.75:526:35
2112.75:526:35
2212.75:526:35
2312.75:526:36
2412.75:516:36
2512.85:516:36
2612.85:516:37
2712.85:516:37
2812.85:516:37
2912.85:516:38
3012.85:516:38
3112.85:516:38

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.49 kWh/m².

For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6.1 kWh/m² in April across the year — May's 5.49 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.7Bright
65.7Bright
75.7Bright
85.7Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.4Bright
215.4Bright
225.4Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.3Bright
315.3Bright
Planning a trip in May

Hazard calendar for Tha Ruea

In seasonPeak

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

Tha Ruea'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 Tha Ruea?

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

1.7
Sightseeing
11th-best month of the year
3.7
Beach & pool
11th-best month of the year

May is a weaker month for outdoor sightseeing in Tha Ruea.

What to pack for Tha Ruea in May

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

In May, Tha Ruea 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 Tha Ruea 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 Tha Ruea peaks around August 14 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 highExtremeExtremeVery highAug 14UV 13Nov 23UV 8
UV index (midday)Level
Jan9Very high
Feb9Very high
Mar12Extreme
Apr11Extreme
May10Very high
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov8Very high
Dec8Very high

Air quality in Tha Ruea 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 Tha Ruea is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 43 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorUnhealthyJan 2382 µg/m³Jul 2443 µg/m³
PM2.5 (µg/m³)Level
Jan83Unhealthy
Feb81Unhealthy
Mar70Unhealthy
Apr64Unhealthy
May54Poor
Jun44Poor
Jul43Poor
Aug43Poor
Sep54Poor
Oct66Unhealthy
Nov67Unhealthy
Dec66Unhealthy
Location & terrain

Where is Tha Ruea?

Tha Ruea sits at 14.6°N, 100.7°E, 13 m above sea level, in Thailand. The nearest listed city is Ban Mo, 5.0 km away.

Topography around Tha Ruea

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

Within 3 km, the terrain around Tha Ruea has only modest variations in elevation — a maximum elevation change of 23 m around an average of 10 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 576 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,364 m.

The land around Tha Ruea is covered by cropland (53%) and trees (25%) within 3 km, cropland (69%) within 16 km, and cropland (60%) and trees (28%) within 80 km.

3 km
23 m
16 km
576 m
80 km
1,364 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Ban Mo 5.0 km · Nakhon Luang 17 km · Phra Phutthabat 19 km · Saraburi 21 km · Lop Buri 27 km · Ayutthaya 29 km · Kaeng Khoi 29 km · Nong Khae 29 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 Tha Ruea (14.5674°, 100.726°, 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. 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).