Phatthalung weather in January

In January, Phatthalung sees average daytime highs of 29°C and overnight lows near 23°C, with 101 mm of rain across 16.5 wet days and about 11.6 hours of daylight. It is the 11th-warmest and 10th-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 16% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 36 min at the start of January to 11 h 42 min by month's end. Set against the rest of the year, January is Phatthalung's 3rd-clearest and 1st-windiest month. For the whole year in context, see Phatthalung's year-round climate.

Daytime high
29°
11th warmest
Overnight low
23°
2nd coldest
Rainfall
101 mm
16.5 wet days
Daylight
11 h 36 min
6:41 AM – 6:17 PM
Cloud cover
69%
3rd clearest
Wind
9 km/h
1st windiest
Solar energy
4.9 kWh/m²
Travel score
4.5
out of 10

Phatthalung is town in Phatthalung 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 29°C through the month.

A typical January day in Phatthalung reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923
312923

How January really feels in Phatthalung

Once humidity and wind are folded in, January 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
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.

Phatthalung weather by month

How January compares with the rest of the year at a glance. January is the 11th-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°10116.511.64.5
Feb30° / 23°5210.611.74.8
Mar31° / 23°9614.111.93.9
Apr32° / 24°11718.512.23.0
May32° / 25°14323.212.32.5
Jun32° / 24°12120.512.42.8
Jul32° / 24°11821.912.42.8
Aug32° / 24°13322.612.22.8
Sep31° / 24°17724.7122.7
Oct30° / 24°28828.911.82.6
Nov29° / 24°32927.311.73.0
Dec29° / 23°25522.411.63.8

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% 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 64%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
12971
22971
33169
43169
53367
63367
73565
83466
93565
103664
113664
123664
133664
143763
153862
163763
173763
183862
193862
203763
213763
223862
233862
243862
253862
263862
274159
284159
294159
304258
314357

Chance of precipitation in January

Any precipitation

Phatthalung gets around 101 mm of rain over 16.5 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 53% and peaks near 64% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202531
Rain chance (%)
164
263
363
463
562
661
760
859
958
1057
1156
1254
1353
1452
1551
1650
1750
1849
1949
2048
2148
2248
2348
2448
2548
2648
2748
2847
2947
3046
3146

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 82% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
178112
278112
378112
478112
568311
668311
768311
868311
978211
1078310
1178310
1278310
137849
148839
158848
168848
178848
189838
199838
209838
2110828
2210828
2310828
2410828
2510819
2610819
2710819
2810819
2910819
3011809
3111818

Wind in January

Winds average 9 km/h in January, the windiest month of the year.

Across January, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
19calm
29calm
39calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 11 h 36 min at the start of January to 11 h 42 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 6:36 AM to 6:43 AM, and sunset from 6:10 PM to 6:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.66:366:10
211.66:366:10
311.66:376:11
411.66:376:11
511.66:376:12
611.66:386:12
711.66:386:13
811.66:396:13
911.66:396:14
1011.66:396:14
1111.66:406:15
1211.66:406:15
1311.66:406:16
1411.66:406:16
1511.66:416:17
1611.66:416:17
1711.66:416:17
1811.66:416:18
1911.66:426:18
2011.66:426:19
2111.66:426:19
2211.66:426:20
2311.66:426:20
2411.66:426:20
2511.66:436:21
2611.66:436:21
2711.66:436:22
2811.76:436:22
2911.76:436:22
3011.76:436:23
3111.76:436:23

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.9 kWh/m².

For context, solar energy here swings from a low near 3.85 kWh/m² to a high of 5.98 kWh/m² in March across the year — January's 4.9 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.4Bright
24.4Bright
34.5Bright
44.5Bright
54.5Bright
64.6Bright
74.6Bright
84.7Bright
94.7Bright
104.7Bright
114.8Bright
124.8Bright
134.8Bright
144.9Bright
154.9Bright
164.9Bright
175.0Bright
185.0Bright
195.0Bright
205.0Bright
215.1Bright
225.1Bright
235.1Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Phatthalung

In seasonPeak

In January, Phatthalung sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.

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

Phatthalung's rainy season runs September–December, 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 January a good time to visit Phatthalung?

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

4.5
Sightseeing
2nd-best month of the year
5.9
Beach & pool
3rd-best month of the year

January is a reasonable time to visit Phatthalung for sightseeing.

What to pack for Phatthalung in January

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

In January, Phatthalung sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Phatthalung 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 43 km away) is warmest in May at about 31°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
Jan28Warm
Feb28Tropical
Mar29Tropical
Apr30Tropical
May31Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Phatthalung 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 Phatthalung peaks around February 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 22UV 13Dec 13UV 11
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov11Extreme
Dec11Extreme

Air quality in Phatthalung 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 Phatthalung is worst in April — around 24 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1624 µg/m³Feb 1319 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb18Moderate
Mar22Moderate
Apr24Moderate
May21Moderate
Jun22Moderate
Jul21Moderate
Aug18Moderate
Sep21Moderate
Oct22Moderate
Nov22Moderate
Dec20Moderate
Location & terrain

Where is Phatthalung?

Phatthalung sits at 7.6°N, 100.1°E, 14 m above sea level, in Thailand. The nearest listed city is Ranot, 32 km away.

Topography around Phatthalung

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

Within 3 km, the terrain around Phatthalung has only modest variations in elevation — a maximum elevation change of 194 m around an average of 13 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 357 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,316 m.

The land around Phatthalung is covered by trees (44%) and artificial surfaces (21%) within 3 km, trees (56%) within 16 km, and trees (63%) and water (27%) within 80 km.

3 km
194 m
16 km
357 m
80 km
1,316 m
treesgrasslandcroplandartificial surfaceswatermangroves
January weather nearby: Ranot 32 km · Trang 52 km · Huai Yot 52 km · Ron Phibun 67 km · Ban Mai 69 km · Songkhla 74 km · Thung Song 75 km · Hat Yai 81 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 Phatthalung (7.6179°, 100.0779°, elevation 14 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).