Phanat Nikhom weather in May

In May, Phanat Nikhom sees average daytime highs of 34°C and overnight lows near 26°C, with 182 mm of rain across 23.5 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 3rd-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 Phanat Nikhom's 8th-clearest and 9th-windiest month. For the whole year in context, see Phanat Nikhom's year-round climate.

Daytime high
34°
3rd warmest
Overnight low
26°
12th coldest
Rainfall
182 mm
23.5 wet days
Daylight
12 h 36 min
5:53 AM – 6:30 PM
Cloud cover
81%
8th clearest
Wind
8 km/h
9th windiest
Solar energy
5.22 kWh/m²
Travel score
2.1
out of 10

Phanat Nikhom is town in Chon Buri province, Thailand.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

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 Phanat Nikhom reaches about 34°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 31°C and 36°C. Set against its neighbours, May runs about 1°C cooler than April and on par with June.

20°25°30°35°40°151015202531
Avg high (°C)Avg low (°C)
13426
23426
33426
43426
53426
63426
73426
83426
93426
103426
113426
123426
133426
143426
153426
163426
173326
183326
193326
203326
213326
223326
233326
243326
253326
263326
273326
283326
293326
303326
313326

How May really feels in Phanat Nikhom

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.

Phanat Nikhom weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 22°17411.34.7
Feb33° / 23°214.811.63.9
Mar34° / 25°6311.611.93.0
Apr34° / 26°981612.32.4
May34° / 26°18223.512.62.1
Jun33° / 26°17522.812.82.3
Jul32° / 26°17424.412.72.4
Aug32° / 26°19625.512.42.4
Sep32° / 25°28226.512.12.3
Oct32° / 25°17819.711.73.1
Nov32° / 24°345.511.44.4
Dec32° / 22°81.911.25.1

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 82%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33367
43268
53070
62872
72674
82476
92377
102179
112080
121882
131882
141783
151684
161486
171387
181387
191288
201189
211189
221189
231189
24991
25991
26991
27991
28892
29892
30892
31793

Chance of precipitation in May

Any precipitation

Phanat Nikhom gets around 182 mm of rain over 23.5 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 76% and peaks near 80% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
166
267
367
468
569
669
770
871
972
1074
1175
1276
1377
1477
1578
1679
1779
1879
1980
2080
2180
2280
2380
2480
2580
2680
2780
2880
2979
3079
3179

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 (%)
11090
2991
3991
4892
5892
6793
7793
8793
9793
10793
11793
12694
13694
14694
15694
16595
17595
18595
19496
20496
21496
22496
23496
24496
25397
26397
27397
28397
29397
30397
31397

Wind in May

Winds average 8 km/h in May.

Across May, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm
318calm

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 5:58 AM to 5:51 AM, and sunset from 6:27 PM to 6:34 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:586:27
212.55:586:27
312.55:576:27
412.55:576:27
512.55:576:27
612.55:566:28
712.55:566:28
812.55:556:28
912.65:556:28
1012.65:556:29
1112.65:546:29
1212.65:546:29
1312.65:546:29
1412.65:536:30
1512.65:536:30
1612.65:536:30
1712.65:536:30
1812.65:526:31
1912.65:526:31
2012.75:526:31
2112.75:526:31
2212.75:526:32
2312.75:526:32
2412.75:516:32
2512.75:516:33
2612.75:516:33
2712.75:516:33
2812.75:516:34
2912.75:516:34
3012.75:516:34
3112.75:516:34

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.22 kWh/m².

For context, solar energy here swings from a low near 4.39 kWh/m² to a high of 5.83 kWh/m² in April across the year — May's 5.22 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.5Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.4Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.2Bright
155.2Bright
165.2Bright
175.2Bright
185.1Bright
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 Phanat Nikhom

In seasonPeak

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

Phanat Nikhom sits in the Pacific typhoon belt; the season peaks July–October.

Phanat Nikhom's rainy season runs May–October, when most of the year's rain falls.

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

Is May a good time to visit Phanat Nikhom?

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

2.1
Sightseeing
12th-best month of the year
4.1
Beach & pool
8th-best month of the year

May is a weaker month for outdoor sightseeing in Phanat Nikhom.

What to pack for Phanat Nikhom in May

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

In May, Phanat Nikhom 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 Phanat Nikhom 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 34 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 Phanat Nikhom 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 Phanat Nikhom 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 Phanat Nikhom 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 Phanat Nikhom 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 Phanat Nikhom?

Phanat Nikhom sits at 13.4°N, 101.2°E, 12 m above sea level, in Thailand. The nearest listed city is Phan Thong, 10 km away.

Topography around Phanat Nikhom

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

Within 3 km, the terrain around Phanat Nikhom has only modest variations in elevation — a maximum elevation change of 35 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 102 m; within 80 km, large variations in elevation — a maximum elevation change of 956 m.

The land around Phanat Nikhom is covered by trees (39%), artificial surfaces (23%) and cropland (22%) within 3 km, cropland (35%) and trees (31%) within 16 km, and trees (43%) and cropland (22%) within 80 km.

3 km
35 m
16 km
102 m
80 km
956 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Phan Thong 10 km · Ban Bueng 17 km · Bang Pakong 23 km · Chon Buri 24 km · Chachoengsao 30 km · Ban Ang Sila 30 km · Phanom Sarakham 38 km · Si Racha 41 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 Phanat Nikhom (13.4466°, 101.1845°, elevation 12 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).