Nakhon Nayok weather in January

In January, Nakhon Nayok sees average daytime highs of 31°C and overnight lows near 20°C, with 12 mm of rain across 3 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 54% of the time in January, and the air most often feels muggy.

Daylight stretches from about 11 h 12 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Nakhon Nayok's 2nd-clearest and 7th-windiest month. For the whole year in context, see Nakhon Nayok's year-round climate.

Daytime high
31°
10th warmest
Overnight low
20°
1st coldest
Rainfall
12 mm
3 wet days
Daylight
11 h 12 min
6:47 AM – 6:02 PM
Cloud cover
42%
2nd clearest
Wind
6 km/h
7th windiest
Solar energy
4.94 kWh/m²
Travel score
5.7
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 January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 31°C through the month.

A typical January day in Nakhon Nayok reaches about 31°C in the afternoon and slips back to 20°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13019
23019
33019
43019
53019
63019
73019
83020
93020
103020
113020
123020
133020
143020
153020
163020
173120
183120
193120
203120
213120
223120
233120
243120
253120
263120
273120
283120
293120
303120
313120

How January really feels in Nakhon Nayok

Once humidity and wind are folded in, January averages 7 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
7
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Nakhon Nayok weather by month

How January compares with the rest of the year at a glance. January is the 10th-warmest and 11th-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 January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 20% of January, with mostly cloudy or overcast conditions the remaining 26%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
17228
27228
37228
47228
57129
67129
77129
87030
97129
107129
117129
127030
137030
147030
157129
167129
177228
187327
197426
207426
217525
227525
237624
247723
257822
267921
277921
288020
298119
308218
318218

Chance of precipitation in January

Any precipitation

Nakhon Nayok gets around 12 mm of rain over 3 wet days in January. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 9% and peaks near 11% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
16
27
37
48
58
68
79
89
99
109
1110
1210
1310
1410
1510
169
179
189
199
209
2110
2210
2310
2410
2510
2611
2711
2811
2911
3011
3111

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

Most of January feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, January lands in the muggy band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 59% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
16133135160
25123135160
35123135170
44123135170
54113236170
64113135180
74113135180
84113135190
94103035200
104103035211
114102934221
124102934221
13492934231
14492834241
15492834241
16492735251
17492635261
18492635261
19492535271
20492534271
21492534281
22492534281
23492533291
24492433291
25492432301
264102432301
274102331311
285102330311
295112229321
305112229321
315122228331

Wind in January

Winds average 6 km/h in January.

Across January, 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 January

DaylightNight

Daylight runs from about 11 h 12 min at the start of January to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over January. Sunrise moves from 6:43 AM to 6:47 AM, and sunset from 5:54 PM to 6:09 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:435:54
211.26:435:54
311.26:445:55
411.26:445:55
511.26:445:56
611.26:455:56
711.26:455:57
811.26:455:57
911.26:465:58
1011.26:465:58
1111.26:465:59
1211.26:466:00
1311.26:476:00
1411.26:476:01
1511.26:476:01
1611.26:476:02
1711.36:476:02
1811.36:476:03
1911.36:476:03
2011.36:486:04
2111.36:486:04
2211.36:486:05
2311.36:486:06
2411.36:486:06
2511.36:486:07
2611.36:486:07
2711.36:486:08
2811.36:486:08
2911.36:486:09
3011.46:486:09
3111.46:476:09

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.94 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 — January's 4.94 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.2Bright
315.2Bright
Planning a trip in January

Hazard calendar for Nakhon Nayok

In seasonPeak

None of Nakhon Nayok's seasonal hazards are active in January. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

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 January a good time to visit Nakhon Nayok?

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

5.7
Sightseeing
2nd-best month of the year
8.1
Beach & pool
2nd-best month of the year

January is a reasonable time to visit Nakhon Nayok for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Nakhon Nayok in January

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

In January, Nakhon Nayok sees daytime highs around 31°C and nights near 20°C. Pack light clothes. Worth having: sun protection. About 3 days see rain.

light clothessun protection

UV index in Nakhon Nayok in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 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 January

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where January 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
January 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).