Warichaphum weather in May

In May, Warichaphum sees average daytime highs of 33°C and overnight lows near 26°C, with 210 mm of rain across 21.6 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°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 36 min at the start of May to 12 h 54 min by month's end. Set against the rest of the year, May is Warichaphum's 8th-clearest and 11th-windiest month. For the whole year in context, see Warichaphum's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
210 mm
21.6 wet days
Daylight
12 h 48 min
5:37 AM – 6:26 PM
Cloud cover
78%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
5.28 kWh/m²
Travel score
2.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 33°C through the month.

A typical May day in Warichaphum reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 36°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13425
23425
33425
43426
53426
63426
73426
83326
93326
103326
113326
123326
133326
143326
153326
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273226
283226
293226
303226
313226

How May really feels in Warichaphum

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.

Warichaphum 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
Jan29° / 17°81.711.17.1
Feb31° / 19°162.711.45.7
Mar33° / 22°436.111.94.0
Apr34° / 25°7811.612.42.9
May33° / 26°21021.612.82.5
Jun32° / 26°20422.8132.5
Jul31° / 26°27425.512.92.6
Aug31° / 25°32427.512.62.6
Sep31° / 25°26023.512.12.9
Oct31° / 23°9010.511.64.6
Nov30° / 20°202.811.26.2
Dec28° / 17°61.2117.6

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 13% of May, with mostly cloudy or overcast conditions the remaining 76%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14753
24654
34456
44357
54159
63961
73763
83565
93367
103169
113070
122773
132575
142377
152278
162080
171882
181783
191684
201585
211486
221486
231387
241387
251387
261288
271288
281189
291189
301090
311090

Chance of precipitation in May

Any precipitation

Warichaphum gets around 210 mm of rain over 21.6 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 69% and peaks near 81% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
154
255
356
457
558
659
760
861
962
1064
1165
1266
1367
1468
1569
1670
1771
1872
1973
2074
2175
2276
2377
2477
2578
2679
2779
2880
2981
3081
3181

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 65% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1185536
2185338
3175240
4165043
5164845
6154648
7154450
8144352
9144154
10143956
11143758
12133561
13133462
14133264
15133165
16133066
17132868
18022771
19022672
20022573
21022375
22022276
23012178
24012079
25011980
26011782
27011683
28011485
29011386
30011287
31011188

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 7 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
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 12 h 54 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 5:44 AM to 5:34 AM, and sunset from 6:21 PM to 6:31 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:446:21
212.65:446:21
312.65:436:22
412.75:436:22
512.75:426:22
612.75:426:23
712.75:416:23
812.75:416:23
912.75:406:24
1012.75:406:24
1112.75:396:24
1212.85:396:25
1312.85:396:25
1412.85:386:25
1512.85:386:26
1612.85:376:26
1712.85:376:26
1812.85:376:27
1912.85:376:27
2012.95:366:27
2112.95:366:28
2212.95:366:28
2312.95:366:28
2412.95:356:29
2512.95:356:29
2612.95:356:30
2712.95:356:30
2812.95:356:30
2912.95:356:31
3012.95:346:31
3112.95:346:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.28 kWh/m².

For context, solar energy here swings from a low near 4.24 kWh/m² to a high of 6.04 kWh/m² in April across the year — May's 5.28 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.6Bright
75.6Bright
85.6Bright
95.5Bright
105.5Bright
115.4Bright
125.4Bright
135.4Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Warichaphum

In seasonPeak

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

Warichaphum's monsoon runs May–September, 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 Warichaphum?

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

2.5
Sightseeing
11th-best month of the year
4.5
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Warichaphum.

What to pack for Warichaphum in May

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

In May, Warichaphum sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.

light clothesrain gearsun protection

UV index in Warichaphum 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 Warichaphum peaks around August 10 at about 13 (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 10UV 13Dec 13UV 8
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec8Very high

Air quality in Warichaphum 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 Warichaphum is worst in March — around 54 µg/m³ PM2.5 (poor), about 2.7× the cleanest month (November, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1853 µg/m³Nov 2020 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb39Poor
Mar54Poor
Apr43Poor
May30Moderate
Jun24Moderate
Jul23Moderate
Aug24Moderate
Sep24Moderate
Oct23Moderate
Nov20Moderate
Dec21Moderate
Location & terrain

Where is Warichaphum?

Warichaphum sits at 17.3°N, 103.6°E, 181 m above sea level, in Thailand. The nearest listed city is Sawang Daen Din, 28 km away.

Topography around Warichaphum

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

Within 3 km, the terrain around Warichaphum has only modest variations in elevation — a maximum elevation change of 32 m around an average of 179 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 510 m; within 80 km, significant variations in elevation — a maximum elevation change of 524 m.

The land around Warichaphum is covered by cropland (66%) and trees (27%) within 3 km, cropland (44%) and trees (43%) within 16 km, and cropland (59%) and trees (35%) within 80 km.

3 km
32 m
16 km
510 m
80 km
524 m
treesgrasslandcroplandartificial surfaceswater
May weather nearby: Sawang Daen Din 28 km · Ban Nong Wua So 44 km · Sakon Nakhon 56 km · Ban Dung 60 km · Ban Phan Don 73 km · Seka 78 km · Nong Kung Si 80 km · Khao Wong 82 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 Warichaphum (17.2941°, 103.6382°, elevation 181 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).