Sawang Daen Din weather in May

In May, Sawang Daen Din sees average daytime highs of 34°C and overnight lows near 26°C, with 220 mm of rain across 22 wet days and about 12.8 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 34°C in the first days to 33°C by the end. 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 13 hours by month's end. Set against the rest of the year, May is Sawang Daen Din's 8th-clearest and 11th-windiest month. For the whole year in context, see Sawang Daen Din's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
11th coldest
Rainfall
220 mm
22 wet days
Daylight
12 h 48 min
5:38 AM – 6:27 PM
Cloud cover
78%
8th clearest
Wind
7 km/h
11th windiest
Solar energy
5.24 kWh/m²
Travel score
2.3
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 34°C in the first days to 33°C by the end.

A typical May day in Sawang Daen Din reaches about 34°C in the afternoon and slips back to 26°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 37°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)
13526
23526
33426
43426
53426
63426
73426
83426
93426
103426
113426
123426
133426
143426
153326
163326
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in Sawang Daen Din

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.

Sawang Daen Din 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
Jan29° / 17°81.511.16.9
Feb31° / 19°142.311.45.4
Mar34° / 22°365.911.93.7
Apr35° / 25°7411.312.42.5
May34° / 26°2202212.82.3
Jun32° / 26°24424.2132.3
Jul32° / 25°30526.912.92.4
Aug31° / 25°35728.112.62.4
Sep31° / 25°2722412.12.8
Oct31° / 23°8810.711.64.3
Nov31° / 21°192.911.25.6
Dec29° / 18°61.1117.1

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 (%)
14951
24852
34555
44456
54258
64060
73961
83664
93466
103367
113169
122872
132773
142575
152278
162179
171981
181882
191684
201486
211486
221288
231288
241189
251189
261090
271090
28991
29991
30892
31793

Chance of precipitation in May

Any precipitation

Sawang Daen Din gets around 220 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 84% 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
660
761
862
964
1065
1167
1268
1369
1470
1571
1672
1773
1874
1975
2076
2177
2278
2379
2479
2580
2681
2781
2882
2983
3083
3184

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 99% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11106326
2196129
3195931
4185734
5185437
6175339
7175043
8164746
9164449
10164251
11163954
12153757
13153559
14153361
15143164
16143065
17142867
18032770
19032671
20032572
21022474
22022375
23022177
24012079
25011980
26011782
27011683
28011584
29011386
30001288
31001189

Wind in May

Winds average 7 km/h in May.

Across May, daily wind ranges from about 6 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
246calm
256calm
266calm
276calm
286calm
296calm
306calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 36 min at the start of May to 13 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 24 minutes over May. Sunrise moves from 5:45 AM to 5:35 AM, and sunset from 6:22 PM to 6:32 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.65:456:22
212.65:446:22
312.75:446:23
412.75:436:23
512.75:436:23
612.75:426:24
712.75:426:24
812.75:416:24
912.75:416:25
1012.75:406:25
1112.85:406:25
1212.85:396:26
1312.85:396:26
1412.85:396:26
1512.85:386:27
1612.85:386:27
1712.85:386:27
1812.85:376:28
1912.85:376:28
2012.95:376:28
2112.95:366:29
2212.95:366:29
2312.95:366:29
2412.95:366:30
2512.95:366:30
2612.95:356:31
2712.95:356:31
2812.95:356:31
2912.95:356:32
3013.05:356:32
3113.05:356:32

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.24 kWh/m².

For context, solar energy here swings from a low near 4.22 kWh/m² to a high of 6.07 kWh/m² in April across the year — May's 5.24 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
85.5Bright
95.5Bright
105.5Bright
115.4Bright
125.4Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
195.1Bright
205.1Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
314.9Bright
Planning a trip in May

Hazard calendar for Sawang Daen Din

In seasonPeak

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

Sawang Daen Din'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 Sawang Daen Din?

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

2.3
Sightseeing
11th-best month of the year
4.3
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Sawang Daen Din.

What to pack for Sawang Daen Din in May

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

In May, Sawang Daen Din sees daytime highs around 34°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 Sawang Daen Din 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 Sawang Daen Din peaks around July 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highJul 17UV 13Dec 14UV 7
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7Very high

Air quality in Sawang Daen Din 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 Sawang Daen Din 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 Sawang Daen Din?

Sawang Daen Din sits at 17.5°N, 103.5°E, 169 m above sea level, in Thailand. The nearest listed city is Warichaphum, 28 km away.

Topography around Sawang Daen Din

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

Within 3 km, the terrain around Sawang Daen Din has only modest variations in elevation — a maximum elevation change of 44 m around an average of 172 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 79 m; within 80 km, significant variations in elevation — a maximum elevation change of 523 m.

The land around Sawang Daen Din is covered by trees (40%) and cropland (34%) within 3 km, cropland (58%) and trees (33%) within 16 km, and cropland (58%) and trees (36%) within 80 km.

3 km
44 m
16 km
79 m
80 km
523 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Warichaphum 28 km · Ban Dung 33 km · Ban Nong Wua So 34 km · Ban Phan Don 63 km · Phon Charoen 69 km · Udon Thani 72 km · Seka 73 km · Sakon Nakhon 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 Sawang Daen Din (17.4753°, 103.4575°, elevation 169 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).