Phanom Sarakham weather in May

In May, Phanom Sarakham sees average daytime highs of 34°C and overnight lows near 26°C, with 196 mm of rain across 24.3 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 34°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 42 min by month's end. Set against the rest of the year, May is Phanom Sarakham's 8th-clearest and 10th-windiest month. For the whole year in context, see Phanom Sarakham's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
196 mm
24.3 wet days
Daylight
12 h 36 min
5:52 AM – 6:30 PM
Cloud cover
80%
8th clearest
Wind
7 km/h
10th windiest
Solar energy
5.25 kWh/m²
Travel score
1.9
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 34°C through the month.

A typical May day in Phanom Sarakham 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 32°C and 36°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)
13527
23527
33527
43527
53527
63527
73527
83527
93527
103427
113427
123427
133426
143426
153426
163426
173426
183426
193426
203426
213426
223426
233426
243426
253426
263426
273426
283426
293426
303426
313426

How May really feels in Phanom Sarakham

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.

Phanom Sarakham 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
Jan32° / 22°153.411.34.7
Feb34° / 23°184.111.53.8
Mar35° / 25°559.911.92.8
Apr35° / 26°8614.812.32.1
May34° / 26°19624.312.61.9
Jun33° / 26°20024.212.82.1
Jul33° / 26°20225.712.72.2
Aug32° / 26°22627.212.52.2
Sep32° / 25°28826.912.12.2
Oct32° / 25°16318.911.73.1
Nov32° / 24°305.111.44.2
Dec32° / 22°71.611.25.0

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 11% of May, with mostly cloudy or overcast conditions the remaining 81%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13862
23763
33565
43466
53268
63169
72971
82872
92674
102476
112278
122080
131981
141882
151684
161684
171486
181486
191387
201189
211189
221189
231090
24991
25991
26991
27991
28892
29892
30892
31892

Chance of precipitation in May

Any precipitation

Phanom Sarakham gets around 196 mm of rain over 24.3 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 78% 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 (%)
166
267
368
469
570
670
771
872
973
1074
1175
1276
1377
1478
1579
1680
1780
1881
1982
2082
2183
2283
2383
2484
2584
2684
2784
2884
2984
3084
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 95% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11189
21189
31090
41090
5991
6991
7892
8892
9793
10793
11793
12694
13694
14595
15595
16496
17496
18397
19397
20397
21397
22397
23397
24397
25397
26397
27298
28298
29298
30298
31298

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 30 min at the start of May to 12 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over May. Sunrise moves from 5:57 AM to 5:50 AM, and sunset from 6:26 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:576:26
212.55:576:27
312.55:566:27
412.55:566:27
512.55:566:27
612.55:556:27
712.55:556:28
812.65:546:28
912.65:546:28
1012.65:546:28
1112.65:536:29
1212.65:536:29
1312.65:536:29
1412.65:526:29
1512.65:526:30
1612.65:526:30
1712.65:526:30
1812.75:516:30
1912.75:516:31
2012.75:516:31
2112.75:516:31
2212.75:516:32
2312.75:506:32
2412.75:506:32
2512.75:506:33
2612.75:506:33
2712.75:506:33
2812.75:506:33
2912.75:506:34
3012.75:506:34
3112.75:506:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.25 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 5.89 kWh/m² in April across the year — May's 5.25 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.6Bright
55.5Bright
65.5Bright
75.5Bright
85.4Bright
95.4Bright
105.4Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.1Bright
205.1Bright
215.1Bright
225.1Bright
235.1Bright
245.1Bright
255.1Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Phanom Sarakham

In seasonPeak

In May, Phanom Sarakham sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.

Phanom Sarakham sits in the Pacific typhoon belt; the season peaks July–October.

Phanom Sarakham's monsoon runs May–October, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Phanom Sarakham?

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

1.9
Sightseeing
12th-best month of the year
3.8
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Phanom Sarakham.

What to pack for Phanom Sarakham in May

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

In May, Phanom Sarakham sees daytime highs around 34°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

Sea temperature near Phanom Sarakham in May

The nearest coast averages about 31°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 66 km away) is warmest in May at about 31°C and coldest in January near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Warm

UV index in Phanom Sarakham in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Phanom Sarakham peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highAug 15UV 13Dec 13UV 9
UV index (midday)Level
Jan9Very high
Feb10Very high
Mar12Extreme
Apr12Extreme
May9Very high
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep12Extreme
Oct10Very high
Nov9Very high
Dec9Very high

Air quality in Phanom Sarakham 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 Phanom Sarakham is worst in January — around 67 µg/m³ PM2.5 (unhealthy), about 2.0× the cleanest month (June, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorPoorJan 2366 µg/m³Jun 2034 µg/m³
PM2.5 (µg/m³)Level
Jan67Unhealthy
Feb65Unhealthy
Mar53Poor
Apr47Poor
May40Poor
Jun34Moderate
Jul36Poor
Aug36Poor
Sep47Poor
Oct57Unhealthy
Nov53Poor
Dec47Poor
Location & terrain

Where is Phanom Sarakham?

Phanom Sarakham sits at 13.7°N, 101.3°E, 9 m above sea level, in Thailand. The nearest listed city is Si Mahosot, 17 km away.

Topography around Phanom Sarakham

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

Within 3 km, the terrain around Phanom Sarakham has only modest variations in elevation — a maximum elevation change of 26 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 245 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,426 m.

The land around Phanom Sarakham is covered by cropland (38%) and trees (34%) within 3 km, cropland (45%) and trees (32%) within 16 km, and trees (52%) and cropland (28%) within 80 km.

3 km
26 m
16 km
245 m
80 km
1,426 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Si Mahosot 17 km · Si Maha Phot 30 km · Chachoengsao 31 km · Ban Sang 31 km · Prachin Buri 34 km · Prachin Buri Town 34 km · Thambon Na Mueang 34 km · Phanat Nikhom 38 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 Phanom Sarakham (13.7487°, 101.3489°, elevation 9 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).