Na Di weather in January

In January, Na Di sees average daytime highs of 32°C and overnight lows near 21°C, with 9 mm of rain across 2.1 wet days and about 11.3 hours of daylight. It is the 6th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 53% 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 Na Di's 2nd-clearest and 3rd-windiest month. For the whole year in context, see Na Di's year-round climate.

Daytime high
32°
6th warmest
Overnight low
21°
1st coldest
Rainfall
9 mm
2.1 wet days
Daylight
11 h 12 min
6:45 AM – 6:00 PM
Cloud cover
41%
2nd clearest
Wind
7 km/h
3rd windiest
Solar energy
5.09 kWh/m²
Travel score
5.2
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical January day in Na Di reaches about 32°C in the afternoon and slips back to 21°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 34°C. Set against its neighbours, January runs on par with December and about 2°C cooler than February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13120
23120
33120
43120
53120
63120
73120
83120
93120
103120
113121
123121
133121
143221
153221
163221
173221
183221
193221
203221
213221
223221
233221
243221
253221
263221
273221
283221
293221
303221
313221

How January really feels in Na Di

Once humidity and wind are folded in, January averages 27 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
27
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.

Na Di weather by month

How January compares with the rest of the year at a glance. January is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°92.111.35.2
Feb33° / 22°132.511.54.2
Mar34° / 24°347.611.93.1
Apr35° / 25°621312.32.3
May34° / 26°17423.712.62.1
Jun32° / 25°23126.112.82.3
Jul31° / 25°25127.412.82.4
Aug31° / 25°27128.612.52.4
Sep31° / 25°28327.112.12.5
Oct31° / 24°14318.611.73.4
Nov31° / 23°244.811.34.8
Dec31° / 21°51.211.25.6

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 53% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 21% 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
27129
37129
47228
57228
67129
77129
87129
97030
107129
117129
127129
137129
147129
157228
167228
177228
187327
197327
207426
217525
227624
237624
247723
257822
267921
277921
287921
298119
308119
318119

Chance of precipitation in January

Any precipitation

Na Di gets around 9 mm of rain over 2.1 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 7% and peaks near 7% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
15
25
35
46
56
66
76
86
97
107
117
127
137
147
157
167
177
187
196
206
216
227
237
247
257
267
277
287
297
307
316

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 30% of days. Sticky, muggy-or-worse air turns up on roughly 56% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
15162935150
25153034150
35153134160
44143134160
54143134170
64133233180
74133133191
84133132201
94123132211
104123131221
114113130231
124113130231
134113129241
144103029251
154103029261
164102929261
174102929271
184102829281
194102729281
204102729281
214102729292
224102729292
234102629292
244102629292
254102629302
264102528302
274112528302
284112428302
295122427302
305122327302
315132326313

Wind in January

Winds average 7 km/h in January.

Across January, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
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 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 6:41 AM to 6:45 AM, and sunset from 5:51 PM to 6:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.26:415:51
211.26:415:52
311.26:415:52
411.26:425:53
511.26:425:54
611.26:425:54
711.26:435:55
811.26:435:55
911.26:435:56
1011.26:435:56
1111.26:445:57
1211.26:445:57
1311.26:445:58
1411.26:445:59
1511.26:455:59
1611.26:456:00
1711.36:456:00
1811.36:456:01
1911.36:456:01
2011.36:456:02
2111.36:456:02
2211.36:456:03
2311.36:456:03
2411.36:456:04
2511.36:456:04
2611.36:456:05
2711.36:456:05
2811.36:456:06
2911.46:456:06
3011.46:456:07
3111.46:456:07

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.09 kWh/m².

For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 6.01 kWh/m² in April across the year — January's 5.09 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
145.0Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.1Bright
215.1Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Na Di

In seasonPeak

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

Na Di'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 Na Di?

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

5.2
Sightseeing
2nd-best month of the year
8.0
Beach & pool
2nd-best month of the year

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

What to pack for Na Di in January

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

In January, Na Di sees daytime highs around 32°C and nights near 21°C. Pack light clothes. Worth having: sun protection.

light clothessun protection

UV index in Na Di 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 Na Di 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
Apr12Extreme
May11Extreme
Jun12Extreme
Jul13Extreme
Aug13Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in Na Di 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 Na Di is worst in March — around 42 µg/m³ PM2.5 (poor), about 2.1× the cleanest month (December, 20 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMar 1141 µg/m³Dec 1020 µg/m³
PM2.5 (µg/m³)Level
Jan31Moderate
Feb41Poor
Mar42Poor
Apr33Moderate
May25Moderate
Jun22Moderate
Jul23Moderate
Aug23Moderate
Sep23Moderate
Oct24Moderate
Nov21Moderate
Dec20Moderate
Location & terrain

Where is Na Di?

Na Di sits at 14.1°N, 101.8°E, 29 m above sea level, in Thailand. The nearest listed city is Kabin Buri, 20 km away.

Topography around Na Di

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

Within 3 km, the terrain around Na Di has only modest variations in elevation — a maximum elevation change of 28 m around an average of 25 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 805 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,336 m.

The land around Na Di is covered by cropland (50%) and trees (34%) within 3 km, trees (67%) and cropland (23%) within 16 km, and trees (60%) and cropland (33%) within 80 km.

3 km
28 m
16 km
805 m
80 km
1,336 m
treesgrasslandcroplandartificial surfaceswater
January weather nearby: Kabin Buri 20 km · Prachantakham 29 km · Si Maha Phot 33 km · Ban Phra 42 km · Prachin Buri Town 45 km · Thambon Na Mueang 45 km · Prachin Buri 45 km · Sa Kaeo 46 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 Na Di (14.1157°, 101.7821°, elevation 29 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).