Seka weather in May

In May, Seka sees average daytime highs of 32°C and overnight lows near 25°C, with 279 mm of rain across 24.6 wet days and about 12.8 hours of daylight. It is the 2nd-warmest and 5th-wettest month of the year here.

Highs ease over the month, from about 33°C in the first days to 32°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 Seka's 8th-clearest and 11th-windiest month. For the whole year in context, see Seka's year-round climate.

Daytime high
32°
2nd warmest
Overnight low
25°
11th coldest
Rainfall
279 mm
24.6 wet days
Daylight
12 h 48 min
5:35 AM – 6:26 PM
Cloud cover
78%
8th clearest
Wind
5 km/h
11th windiest
Solar energy
4.96 kWh/m²
Travel score
2.5
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 33°C in the first days to 32°C by the end.

A typical May day in Seka reaches about 32°C in the afternoon and slips back to 25°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 35°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)
13325
23325
33325
43325
53325
63325
73325
83325
93325
103325
113325
123325
133225
143225
153225
163225
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Seka

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.

Seka weather by month

How May compares with the rest of the year at a glance. May is the 2nd-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 16°81.6117.3
Feb30° / 18°162.511.46.2
Mar32° / 21°396.111.94.5
Apr33° / 24°6911.812.43.2
May32° / 25°27924.612.82.5
Jun31° / 25°4052813.12.3
Jul31° / 25°51129.5132.5
Aug30° / 25°49930.112.62.5
Sep31° / 25°31324.212.12.9
Oct31° / 23°8610.511.64.3
Nov31° / 20°162.411.25.7
Dec29° / 17°61.110.97.3

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 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
64060
73961
83763
93466
103367
113169
122971
132773
142575
152476
162278
172080
181882
191783
201585
211585
221387
231387
241288
251090
261090
271090
281090
29991
30892
31892

Chance of precipitation in May

Any precipitation

Seka gets around 279 mm of rain over 24.6 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 79% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
159
260
361
463
564
666
767
869
971
1072
1174
1276
1377
1479
1580
1681
1783
1884
1985
2086
2187
2288
2389
2489
2590
2690
2791
2891
2992
3092
3193

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1184645
2184448
3174250
4174052
5163855
6163558
7153361
8153163
9152965
10152767
11142570
12142372
13142273
14132175
15132076
16131878
17131878
18121780
19021682
20021583
21021583
22021484
23021385
24011287
25011287
26011188
27011089
2801990
2901891
3001891
3101792

Wind in May

Winds average 5 km/h in May.

Across May, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
16calm
26calm
36calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

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 5:42 AM to 5:32 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)
112.65:426:21
212.75:426:21
312.75:416:21
412.75:416:22
512.75:406:22
612.75:396:22
712.75:396:22
812.75:396:23
912.85:386:23
1012.85:386:23
1112.85:376:24
1212.85:376:24
1312.85:366:25
1412.85:366:25
1512.85:366:25
1612.85:356:26
1712.95:356:26
1812.95:356:26
1912.95:346:27
2012.95:346:27
2112.95:346:27
2212.95:336:28
2312.95:336:28
2412.95:336:29
2512.95:336:29
2612.95:336:29
2713.05:326:30
2813.05:326:30
2913.05:326:30
3013.05:326:31
3113.05:326:31

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 4.96 kWh/m².

For context, solar energy here swings from a low near 3.87 kWh/m² to a high of 5.99 kWh/m² in April across the year — May's 4.96 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.2Bright
125.2Bright
135.1Bright
145.0Bright
155.0Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.7Bright
214.7Bright
224.7Bright
234.6Bright
244.6Bright
254.6Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
314.5Bright
Planning a trip in May

Hazard calendar for Seka

In seasonPeak

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

Seka'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 Seka?

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

2.5
Sightseeing
9th-best month of the year
4.2
Beach & pool
9th-best month of the year

May is a weaker month for outdoor sightseeing in Seka.

What to pack for Seka in May

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

In May, Seka sees daytime highs around 32°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.

light clothesrain gearsun protection

UV index in Seka 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 Seka peaks around July 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 15UV 7
UV index (midday)Level
Jan8Very high
Feb10Very high
Mar11Extreme
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Seka 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 Seka is worst in April — around 86 µg/m³ PM2.5 (unhealthy), about 5.7× the cleanest month (September, 15 µg/m³).

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

0306090JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 1085 µg/m³Sep 1615 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb38Poor
Mar80Unhealthy
Apr86Unhealthy
May24Moderate
Jun17Moderate
Jul17Moderate
Aug17Moderate
Sep15Moderate
Oct17Moderate
Nov16Moderate
Dec19Moderate
Location & terrain

Where is Seka?

Seka sits at 17.9°N, 104.0°E, 158 m above sea level, in Thailand. The nearest listed city is Pakxan, 60 km away.

Nakhon Phanom

Topography around Seka

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

Within 3 km, the terrain around Seka has only modest variations in elevation — a maximum elevation change of 36 m around an average of 155 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 409 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,360 m.

The land around Seka is covered by trees (52%) and cropland (31%) within 3 km, trees (53%) and cropland (36%) within 16 km, and trees (60%) and cropland (34%) within 80 km.

3 km
36 m
16 km
409 m
80 km
1,360 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Pakxan 60 km · Sawang Daen Din 73 km · Borikhan 75 km · Ban Dung 78 km · Warichaphum 78 km · Phon Charoen 84 km · Sakon Nakhon 88 km · Nakhon Phanom 105 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 Seka (17.9285°, 103.9552°, elevation 158 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).