Klaeng weather in January

In January, Klaeng sees average daytime highs of 31°C and overnight lows near 22°C, with 21 mm of rain across 4.7 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 31°C through the month. The sky is clear or mostly clear about 45% of the time in January, and the air most often feels oppressive.

Daylight stretches from about 11 h 18 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Klaeng's 2nd-clearest and 10th-windiest month. For the whole year in context, see Klaeng's year-round climate.

Daytime high
31°
6th warmest
Overnight low
22°
1st coldest
Rainfall
21 mm
4.7 wet days
Daylight
11 h 18 min
6:43 AM – 6:02 PM
Cloud cover
47%
2nd clearest
Wind
7 km/h
10th windiest
Solar energy
5.12 kWh/m²
Travel score
5.1
out of 10

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 Klaeng reaches about 31°C in the afternoon and slips back to 22°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 33°C. Set against its neighbours, January runs on par with December and on par with February.

15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213122
223123
233123
243123
253123
263123
273123
283123
293123
303123
313123

How January really feels in Klaeng

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.

Klaeng 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
Jan31° / 22°214.711.35.1
Feb31° / 24°306.211.64.8
Mar32° / 25°7713.611.93.9
Apr32° / 26°12018.712.33.1
May31° / 26°26426.912.62.5
Jun31° / 26°31027.512.72.5
Jul30° / 26°31429.312.72.5
Aug31° / 26°30528.812.42.6
Sep30° / 25°35628.612.12.5
Oct31° / 25°23222.711.73.2
Nov31° / 24°447.611.44.6
Dec31° / 23°112.411.35.3

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 45% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 23% of January, with mostly cloudy or overcast conditions the remaining 32%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16634
26634
36634
46634
56634
66634
76733
86733
96634
106634
116535
126535
136535
146535
156535
166535
176634
186634
196634
206634
216733
226733
236832
246931
257030
267228
277228
287426
297525
307525
317723

Chance of precipitation in January

Any precipitation

Klaeng gets around 21 mm of rain over 4.7 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 15% and peaks near 17% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
18
29
310
410
511
612
712
813
914
1014
1115
1215
1315
1416
1516
1616
1716
1817
1917
2017
2117
2217
2317
2417
2517
2617
2717
2817
2917
3017
3117

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 39% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1282431304
2272431315
3272431315
4262331326
5262231327
6262230338
7262129348
8162028359
91619273610
101719263711
111718253811
121717243812
131717233913
141716233913
151716224014
161715224014
171715224114
181714224114
191714224214
201714224214
211714224214
222614224214
232614224314
242614224314
252614214315
262614214315
272614214315
282614204315
292614204315
302614194315
312614194316

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.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
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 18 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 6 minutes over January. Sunrise moves from 6:39 AM to 6:44 AM, and sunset from 5:54 PM to 6:10 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:395:54
211.36:395:55
311.36:395:55
411.36:405:56
511.36:405:56
611.36:415:57
711.36:415:58
811.36:415:58
911.36:415:59
1011.36:425:59
1111.36:426:00
1211.36:426:00
1311.36:426:01
1411.36:436:01
1511.36:436:02
1611.36:436:02
1711.36:436:03
1811.36:436:03
1911.36:436:04
2011.36:446:04
2111.46:446:05
2211.46:446:05
2311.46:446:06
2411.46:446:06
2511.46:446:07
2611.46:446:07
2711.46:446:08
2811.46:446:08
2911.46:446:09
3011.46:446:09
3111.46:446:10

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 5.12 kWh/m².

For context, solar energy here swings from a low near 4.27 kWh/m² to a high of 5.78 kWh/m² in April across the year — January's 5.12 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.1Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.1Bright
105.1Bright
115.1Bright
125.1Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.1Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.3Bright
275.3Bright
285.3Bright
295.3Bright
305.3Bright
315.3Bright
Planning a trip in January

Hazard calendar for Klaeng

In seasonPeak

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

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

Klaeng's monsoon runs May–October, when most of the year's rain falls.

Pacific typhoon
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is January a good time to visit Klaeng?

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

5.1
Sightseeing
2nd-best month of the year
7.6
Beach & pool
2nd-best month of the year

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

What to pack for Klaeng in January

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

In January, Klaeng sees daytime highs around 31°C and nights near 22°C. Pack light clothes. Worth having: sun protection. About 5 days see rain.

light clothessun protection

Sea temperature near Klaeng 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 17 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
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Klaeng 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 Klaeng peaks around August 16 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 16UV 14Dec 15UV 9
UV index (midday)Level
Jan9Very high
Feb10Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug14Extreme
Sep12Extreme
Oct10Extreme
Nov9Very high
Dec9Very high

Air quality in Klaeng 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 Klaeng is worst in February — around 32 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 14 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateFeb 1631 µg/m³Aug 1714 µg/m³
PM2.5 (µg/m³)Level
Jan26Moderate
Feb32Moderate
Mar27Moderate
Apr22Moderate
May16Moderate
Jun14Moderate
Jul15Moderate
Aug14Moderate
Sep15Moderate
Oct18Moderate
Nov16Moderate
Dec16Moderate
Location & terrain

Where is Klaeng?

Klaeng sits at 12.8°N, 101.6°E, 11 m above sea level, in Thailand. The nearest listed city is Ban Phe, 28 km away.

Topography around Klaeng

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

Within 3 km, the terrain around Klaeng has only modest variations in elevation — a maximum elevation change of 41 m around an average of 11 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 271 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,603 m.

The land around Klaeng is covered by trees (58%) within 3 km, trees (71%) within 16 km, and trees (60%) and water (28%) within 80 km.

3 km
41 m
16 km
271 m
80 km
1,603 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
January weather nearby: Ban Phe 28 km · Tha Mai 42 km · Rayong 44 km · Chanthaburi 53 km · Laem Sing 57 km · Ban Chang 65 km · Ban Talat Bueng 77 km · Sattahip 82 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 Klaeng (12.78°, 101.6491°, elevation 11 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).