Ao Nang weather in January

In January, Ao Nang sees average daytime highs of 29°C and overnight lows near 25°C, with 43 mm of rain across 6.5 wet days and about 11.6 hours of daylight. It is the 5th-warmest and 11th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 27% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 30 min at the start of January to 11 h 36 min by month's end. Set against the rest of the year, January is Ao Nang's 3rd-clearest and 6th-windiest month. For the whole year in context, see Ao Nang's year-round climate.

Daytime high
29°
5th warmest
Overnight low
25°
2nd coldest
Rainfall
43 mm
6.5 wet days
Daylight
11 h 36 min
6:47 AM – 6:21 PM
Cloud cover
61%
3rd clearest
Wind
14 km/h
6th windiest
Solar energy
5.3 kWh/m²
Travel score
5.8
out of 10

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical January day in Ao Nang reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, January runs on par with December and on par with February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How January really feels in Ao Nang

Once humidity and wind are folded in, January averages 23 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
23
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.

Ao Nang weather by month

How January compares with the rest of the year at a glance. January is the 5th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°436.511.65.8
Feb30° / 26°214.411.75.8
Mar30° / 27°7010.411.95.1
Apr30° / 27°12718.412.24.1
May29° / 27°24924.912.43.4
Jun29° / 27°25022.712.53.6
Jul29° / 27°23423.212.43.8
Aug28° / 26°25623.912.33.8
Sep28° / 26°28324.5123.7
Oct28° / 26°27827.611.83.5
Nov28° / 26°17521.511.64.0
Dec29° / 25°8311.811.55.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 27% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 19% of January, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13763
23961
33961
44060
54159
64159
74258
84357
94555
104654
114654
124654
134654
144852
154753
164753
174951
184852
194852
204852
214951
224951
234951
244951
254951
264852
274951
284951
295050
305149
315248

Chance of precipitation in January

Any precipitation

Ao Nang gets around 43 mm of rain over 6.5 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 21% and peaks near 27% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202531
Rain chance (%)
127
226
326
425
525
624
723
823
922
1022
1121
1220
1320
1420
1519
1619
1719
1819
1919
2019
2119
2219
2319
2419
2519
2619
2719
2819
2919
3018
3118

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the oppressive band about 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1111862
2011872
3011872
4011872
5011872
6011872
7011863
8011863
9010873
10010873
11010873
12010873
13010873
14010873
15010873
16010882
17010882
18010882
19010882
20010882
21010882
22011881
23011881
24011881
25011881
26011881
27011881
28011881
29012871
30012871
31012871

Wind in January

Winds average 14 km/h in January.

Across January, daily wind ranges from about 14 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1414light breeze
1514light breeze
1614light breeze
1714light breeze
1814light breeze
1914light breeze
2014light breeze
2114light breeze
2214light breeze
2314light breeze
2414light breeze
2514light breeze
2614light breeze
2714light breeze
2814light breeze
2914light breeze
3014light breeze
3114light breeze

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 30 min at the start of January to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 6 minutes over January. Sunrise moves from 6:42 AM to 6:49 AM, and sunset from 6:14 PM to 6:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.56:426:14
211.56:426:15
311.56:436:15
411.56:436:16
511.56:436:16
611.56:446:17
711.66:446:17
811.66:446:18
911.66:456:18
1011.66:456:19
1111.66:456:19
1211.66:466:20
1311.66:466:20
1411.66:466:20
1511.66:466:21
1611.66:476:21
1711.66:476:22
1811.66:476:22
1911.66:476:23
2011.66:486:23
2111.66:486:24
2211.66:486:24
2311.66:486:24
2411.66:486:25
2511.66:486:25
2611.66:486:26
2711.66:486:26
2811.66:496:26
2911.66:496:27
3011.66:496:27
3111.66:496:27

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.3 kWh/m².

For context, solar energy here swings from a low near 4.45 kWh/m² to a high of 6.2 kWh/m² in March across the year — January's 5.3 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.1Bright
95.1Bright
105.1Bright
115.2Bright
125.2Bright
135.2Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.4Bright
195.4Bright
205.4Bright
215.5Bright
225.5Bright
235.5Bright
245.5Bright
255.6Bright
265.6Bright
275.6Bright
285.7Bright
295.7Bright
305.7Bright
315.7Bright
Planning a trip in January

Hazard calendar for Ao Nang

In seasonPeak

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

Ao Nang sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Ao Nang's rainy season runs May–November, when most of the year's rain falls.

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

Is January a good time to visit Ao Nang?

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

5.8
Sightseeing
1st-best month of the year
7.5
Beach & pool
2nd-best month of the year

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

What to pack for Ao Nang in January

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

In January, Ao Nang sees daytime highs around 29°C and nights near 25°C. Pack light clothes. Worth having: sun protection. About 7 days see rain.

light clothessun protection

Sea temperature near Ao Nang in January

The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in May at about 30°C and coldest in January near 28°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
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Ao Nang in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January 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 Ao Nang peaks around April 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeApr 11UV 13Nov 23UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Extreme

Air quality in Ao Nang 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 Ao Nang is worst in April — around 20 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1120 µg/m³Aug 1813 µg/m³
PM2.5 (µg/m³)Level
Jan18Moderate
Feb17Moderate
Mar19Moderate
Apr20Moderate
May16Moderate
Jun15Moderate
Jul16Moderate
Aug13Moderate
Sep15Moderate
Oct15Moderate
Nov15Moderate
Dec15Moderate
Location & terrain

Where is Ao Nang?

Ao Nang sits at 8.0°N, 98.8°E, 0 m above sea level, in Thailand. The nearest listed city is Krabi, 11 km away.

Topography around Ao Nang

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

Within 3 km, the terrain around Ao Nang has significant variations in elevation — a maximum elevation change of 320 m around an average of 33 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 514 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,369 m.

The land around Ao Nang is covered by trees (46%) and water (35%) within 3 km, water (58%) and trees (31%) within 16 km, and trees (51%) and water (44%) within 80 km.

3 km
320 m
16 km
514 m
80 km
1,369 m
treesgrasslandartificial surfaceswatermangroves
January weather nearby: Krabi 11 km · Ko Phi Phi 34 km · Ban Ko Sire 46 km · Ban Ratsada 47 km · Phuket 49 km · Ban Talat Yai 49 km · Wichit 50 km · Ban Talat Nua 50 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 Ao Nang (8.0458°, 98.8103°, elevation 0 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).