Nakhon Nayok weather in May

In May, Nakhon Nayok sees average daytime highs of 33°C and overnight lows near 25°C, with 196 mm of rain across 24.6 wet days and about 12.6 hours of daylight. It is the 3rd-warmest and 6th-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 8% 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 48 min by month's end. Set against the rest of the year, May is Nakhon Nayok's 8th-clearest and 10th-windiest month. For the whole year in context, see Nakhon Nayok's year-round climate.

Daytime high
33°
3rd warmest
Overnight low
25°
12th coldest
Rainfall
196 mm
24.6 wet days
Daylight
12 h 42 min
5:52 AM – 6:31 PM
Cloud cover
80%
8th clearest
Wind
6 km/h
10th windiest
Solar energy
5.19 kWh/m²
Travel score
2.3
out of 10

Nakhon Nayok is town in Nakhon Nayok 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

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

A typical May day in Nakhon Nayok reaches about 33°C in the afternoon and slips back to 25°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 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)
13425
23425
33425
43325
53325
63325
73325
83325
93325
103325
113325
123325
133325
143325
153325
163325
173225
183225
193225
203225
213225
223225
233225
243225
253225
263225
273225
283225
293225
303225
313225

How May really feels in Nakhon Nayok

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.

Nakhon Nayok weather by month

How May compares with the rest of the year at a glance. May is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 20°12311.35.7
Feb32° / 21°173.511.54.9
Mar33° / 23°50911.93.7
Apr34° / 24°8614.712.32.7
May33° / 25°19624.612.62.3
Jun31° / 24°25426.912.82.4
Jul31° / 24°29328.112.82.6
Aug31° / 24°30528.412.52.5
Sep30° / 24°35827.512.12.6
Oct31° / 23°21620.411.73.5
Nov31° / 22°396.411.35.0
Dec30° / 20°81.911.26.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 10% 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 (%)
13961
23763
33664
43466
53367
63070
72872
82773
92575
102278
112080
122080
131882
141684
151585
161486
171387
181288
191189
201189
211090
221090
23991
24991
25991
26991
27991
28991
29793
30694
31694

Chance of precipitation in May

Any precipitation

Nakhon Nayok gets around 196 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 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
164
265
366
467
568
669
770
872
973
1075
1176
1278
1379
1480
1581
1682
1783
1883
1984
2085
2185
2286
2386
2487
2587
2687
2788
2888
2989
3089
3190

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 69% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
15050
24951
34753
44654
54555
64357
74258
84060
93862
103763
113565
123466
133367
143268
153070
162971
172872
182773
192674
202575
212476
222377
232278
242278
252179
262080
272080
281981
291882
301882
311783

Wind in May

Winds average 6 km/h in May.

Across May, daily wind ranges from about 6 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
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm
316calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 12 h 30 min at the start of May to 12 h 48 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 5:57 AM to 5:49 AM, and sunset from 6:27 PM to 6:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:576:27
212.55:576:28
312.55:566:28
412.55:566:28
512.55:566:28
612.65:556:28
712.65:556:29
812.65:546:29
912.65:546:29
1012.65:546:29
1112.65:536:30
1212.65:536:30
1312.65:536:30
1412.65:526:31
1512.65:526:31
1612.75:526:31
1712.75:516:31
1812.75:516:32
1912.75:516:32
2012.75:516:32
2112.75:516:33
2212.75:506:33
2312.75:506:33
2412.75:506:33
2512.75:506:34
2612.75:506:34
2712.75:506:34
2812.85:506:35
2912.85:506:35
3012.85:496:35
3112.85:496:36

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.19 kWh/m².

For context, solar energy here swings from a low near 4.18 kWh/m² to a high of 5.9 kWh/m² in April across the year — May's 5.19 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.6Bright
25.6Bright
35.6Bright
45.5Bright
55.5Bright
65.5Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.2Bright
135.2Bright
145.2Bright
155.2Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
295.0Bright
305.0Bright
315.0Bright
Planning a trip in May

Hazard calendar for Nakhon Nayok

In seasonPeak

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

Nakhon Nayok's monsoon runs May–October, 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 Nakhon Nayok?

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

2.3
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 Nakhon Nayok.

What to pack for Nakhon Nayok in May

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

In May, Nakhon Nayok sees daytime highs around 33°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 Nakhon Nayok 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 Nakhon Nayok peaks around August 14 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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 highExtremeVery highAug 14UV 13Nov 23UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar12Extreme
Apr11Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Nakhon Nayok 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 Nakhon Nayok is worst in February — around 60 µg/m³ PM2.5 (unhealthy), about 1.7× the cleanest month (December, 34 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecUnhealthyPoorPoorFeb 1759 µg/m³Dec 1035 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb60Unhealthy
Mar56Unhealthy
Apr48Poor
May40Poor
Jun35Moderate
Jul35Poor
Aug36Poor
Sep40Poor
Oct41Poor
Nov36Poor
Dec34Moderate
Location & terrain

Where is Nakhon Nayok?

Nakhon Nayok sits at 14.2°N, 101.2°E, 12 m above sea level, in Thailand. The nearest listed city is Ban Phra, 23 km away.

Topography around Nakhon Nayok

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

Within 3 km, the terrain around Nakhon Nayok has only modest variations in elevation — a maximum elevation change of 25 m around an average of 7 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 735 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,364 m.

The land around Nakhon Nayok is covered by cropland (37%) and trees (34%) within 3 km, trees (44%) and cropland (43%) within 16 km, and trees (46%) and cropland (38%) within 80 km.

3 km
25 m
16 km
735 m
80 km
1,364 m
treesgrasslandcroplandartificial surfacesbare terrainwater
May weather nearby: Ban Phra 23 km · Ban Sang 23 km · Thambon Na Mueang 24 km · Prachin Buri Town 24 km · Prachin Buri 24 km · Prachantakham 36 km · Nong Khae 40 km · Si Mahosot 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 Nakhon Nayok (14.2046°, 101.213°, 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. 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).