Tachilek weather in January

In January, Tachilek sees average daytime highs of 27°C and overnight lows near 14°C, with 25 mm of rain across 3.4 wet days and about 10.9 hours of daylight. It is the 11th-warmest and 11th-wettest month of the year here.

Highs climb over the month, from about 26°C in the first days to 28°C by the end. The sky is clear or mostly clear about 70% of the time in January, and the air most often feels comfortable.

Daylight stretches from about 10 h 48 min at the start of January to 11 h 06 min by month's end. Set against the rest of the year, January is Tachilek's 3rd-clearest and 7th-windiest month. For the whole year in context, see Tachilek's year-round climate.

Daytime high
27°
11th warmest
Overnight low
14°
1st coldest
Rainfall
25 mm
3.4 wet days
Daylight
10 h 54 min
6:33 AM – 5:26 PM
Cloud cover
30%
3rd clearest
Wind
4 km/h
7th windiest
Solar energy
4.41 kWh/m²
Travel score
7.9
out of 10

Tachilek is human settlement.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in January

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 26°C in the first days to 28°C by the end.

A typical January day in Tachilek reaches about 27°C in the afternoon and slips back to 14°C overnight — a 14°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 30°C. Set against its neighbours, January runs about 1°C warmer than December and about 3°C cooler than February.

10°15°20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12614
22614
32614
42614
52714
62714
72714
82714
92714
102714
112714
122714
132714
142714
152713
162713
172713
182713
192713
202813
212813
222813
232813
242813
252813
262813
272813
282813
292813
302813
312813

How January really feels in Tachilek

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

January sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Tachilek weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 14°253.410.97.9
Feb30° / 14°152.511.36.1
Mar33° / 17°395.111.94.2
Apr34° / 21°11210.812.53.2
May33° / 23°27721.2132.8
Jun32° / 24°34926.713.22.4
Jul31° / 24°45528.613.12.5
Aug31° / 24°42428.812.72.5
Sep31° / 23°28724.312.13.0
Oct30° / 22°13416.611.54.3
Nov29° / 18°476.6116.6
Dec26° / 15°314.310.87.9

Cloud cover in January

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 70% of the time in January.

Beyond those clear spells, partly cloudy skies cover about 15% of January, with mostly cloudy or overcast conditions the remaining 15%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
18020
28020
38020
48020
58020
68020
78020
87921
97921
108020
118020
128119
138218
148317
158317
168515
178614
188614
198812
208812
218812
228911
239010
249010
259010
269010
279010
288911
298911
309010
319010

Chance of precipitation in January

Any precipitation

Tachilek gets around 25 mm of rain over 3.4 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 11% and peaks near 14% on the wettest days.

0%10%20%30%151015202531
Rain chance (%)
114
214
314
414
514
614
714
814
913
1013
1112
1212
1311
1411
1510
169
179
189
198
208
218
228
238
249
259
269
2710
2810
2910
3010
3110

Humidity in January

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, January lands in the comfortable band about 42% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
11448289
21448299
313482910
413482910
512482910
613473010
713473010
813463110
91446319
101445329
111544328
121644327
131743337
141842336
151942345
162041345
172140344
182240344
192339353
202339353
212338353
222338353
232338363
242337363
252337364
262337364
272337364
282337364
292338354
302338354
312338344

Wind in January

Winds average 4 km/h in January.

Across January, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202531
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm
314calm

Sunrise & sunset in January

DaylightNight

Daylight runs from about 10 h 48 min at the start of January to 11 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 18 minutes over January. Sunrise moves from 6:30 AM to 6:32 AM, and sunset from 5:17 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
110.86:305:17
210.86:315:18
310.86:315:18
410.86:315:19
510.86:315:19
610.86:325:20
710.86:325:21
810.86:325:21
910.86:325:22
1010.86:335:22
1110.86:335:23
1210.86:335:24
1310.96:335:24
1410.96:335:25
1510.96:335:26
1610.96:335:26
1710.96:335:27
1810.96:335:28
1910.96:335:28
2010.96:335:29
2110.96:335:30
2210.96:335:30
2311.06:335:31
2411.06:335:31
2511.06:335:32
2611.06:335:33
2711.06:335:33
2811.06:325:34
2911.06:325:35
3011.16:325:35
3111.16:325:36

Solar energy in January

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in January, about 4.41 kWh/m².

For context, solar energy here swings from a low near 3.91 kWh/m² to a high of 6.25 kWh/m² in April across the year — January's 4.41 kWh/m² falls in the middle.

024151015202531
Solar energy (kWh/m²)Level
14.1Bright
24.1Bright
34.2Bright
44.2Bright
54.2Bright
64.2Bright
74.2Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.4Bright
154.4Bright
164.4Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.6Bright
224.6Bright
234.6Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.8Bright
294.8Bright
304.8Bright
314.8Bright
Planning a trip in January

Hazard calendar for Tachilek

In seasonPeak

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

Tachilek's monsoon runs May–September, 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 Tachilek?

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

7.9
Sightseeing
1st-best month of the year
8.2
Beach & pool
2nd-best month of the year

January is one of the better times to visit Tachilek for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Tachilek in January

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

In January, Tachilek sees daytime highs around 27°C and nights near 14°C. Pack light clothes. About 3 days see rain.

light clothes

UV index in Tachilek in January

LowModerateHighVery highExtreme

Clear-sky midday UV in January peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tachilek peaks around July 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighJul 19UV 13Dec 20UV 7
UV index (midday)Level
Jan7High
Feb9Very high
Mar9Very high
Apr10Very high
May11Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep11Extreme
Oct10Extreme
Nov8Very high
Dec7High

Air quality in Tachilek 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 Tachilek is worst in April — around 156 µg/m³ PM2.5 (very unhealthy), about 12.0× the cleanest month (July, 13 µg/m³).

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

0306090120150180JanFebMarAprMayJunJulAugSepOctNovDecModerateUnhealthyModerateApr 11150 µg/m³Jul 2313 µg/m³
PM2.5 (µg/m³)Level
Jan23Moderate
Feb40Poor
Mar128Unhealthy
Apr156Very unhealthy
May37Poor
Jun15Moderate
Jul13Moderate
Aug13Moderate
Sep13Moderate
Oct14Moderate
Nov15Moderate
Dec19Moderate
Location & terrain

Where is Tachilek?

Tachilek sits at 20.4°N, 99.9°E, 402 m above sea level, in Myanmar. The nearest listed city is Mae Sai, 2.0 km away.

KengtungMöng La

Topography around Tachilek

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

Within 3 km, the terrain around Tachilek has significant variations in elevation — a maximum elevation change of 368 m around an average of 459 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,235 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,977 m.

The land around Tachilek is covered by trees (49%) and artificial surfaces (34%) within 3 km, trees (62%) and cropland (25%) within 16 km, and trees (81%) within 80 km.

3 km
368 m
16 km
1,235 m
80 km
1,977 m
treesgrasslandcroplandartificial surfacesbare terrain
January weather nearby: Mae Sai 2.0 km · Ban Khoan 24 km · Mae Chan 34 km · Chiang Rai 60 km · Ban Houakhoua 64 km · Möng Yawng 95 km · Kengtung 132 km · Möng La 137 km

Myanmar travel facts

Travel advisory
Level 4
Do Not Travel
Power plugs
Type A / C / D / F / G / I
230 V · 50 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$1,489
2025
Happiness
4.3 / 10
World Happiness, 2025
Safe drinking water
60%
of population, 2024
Homicide rate
2.6
per 100k, 2023
Road deaths
20.4
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Very low
EF EPI 444
Religion
Buddhist 88%Christian 6%Muslim 4%Animist 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 Tachilek (20.4475°, 99.8808°, elevation 402 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).