Tachilek weather in December
In December, Tachilek sees average daytime highs of 26°C and overnight lows near 15°C, with 31 mm of rain across 4.3 wet days and about 10.8 hours of daylight. It is the 12th-warmest and 10th-wettest month of the year here.
Day-to-day highs hold fairly steady near 26°C through the month. The sky is clear or mostly clear about 63% of the time in December, and the air most often feels humid.
Daylight stretches from about 10 h 48 min at the start of December to 10 h 48 min by month's end. Set against the rest of the year, December is Tachilek's 4th-clearest and 8th-windiest month. For the whole year in context, see Tachilek's year-round climate.
- Daytime high
- 26°
- 12th warmest
- Overnight low
- 15°
- 3rd coldest
- Rainfall
- 31 mm
- 4.3 wet days
- Daylight
- 10 h 48 min
- 6:24 AM – 5:10 PM
- Cloud cover
- 34%
- 4th clearest
- Wind
- 4 km/h
- 8th windiest
- Solar energy
- 4.04 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 December
Day-to-day highs hold fairly steady near 26°C through the month.
A typical December day in Tachilek reaches about 26°C in the afternoon and slips back to 15°C overnight — a 12°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 29°C. Set against its neighbours, December runs about 2°C cooler than November and about 1°C cooler than January.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg low (°C) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 27 | 16 |
| 2 | 27 | 16 |
| 3 | 27 | 16 |
| 4 | 27 | 16 |
| 5 | 27 | 16 |
| 6 | 27 | 16 |
| 7 | 27 | 16 |
| 8 | 27 | 16 |
| 9 | 27 | 16 |
| 10 | 27 | 15 |
| 11 | 27 | 15 |
| 12 | 27 | 15 |
| 13 | 26 | 15 |
| 14 | 26 | 15 |
| 15 | 26 | 15 |
| 16 | 26 | 15 |
| 17 | 26 | 15 |
| 18 | 26 | 14 |
| 19 | 26 | 14 |
| 20 | 26 | 14 |
| 21 | 26 | 14 |
| 22 | 26 | 14 |
| 23 | 26 | 14 |
| 24 | 26 | 14 |
| 25 | 26 | 14 |
| 26 | 26 | 14 |
| 27 | 26 | 14 |
| 28 | 26 | 14 |
| 29 | 26 | 14 |
| 30 | 26 | 14 |
| 31 | 26 | 14 |
How December really feels in Tachilek
Once humidity and wind are folded in, December 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.
December 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 December compares with the rest of the year at a glance. December is the 12th-warmest and 10th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 27° / 14° | 25 | 3.4 | 10.9 | 7.9 |
| Feb | 30° / 14° | 15 | 2.5 | 11.3 | 6.1 |
| Mar | 33° / 17° | 39 | 5.1 | 11.9 | 4.2 |
| Apr | 34° / 21° | 112 | 10.8 | 12.5 | 3.2 |
| May | 33° / 23° | 277 | 21.2 | 13 | 2.8 |
| Jun | 32° / 24° | 349 | 26.7 | 13.2 | 2.4 |
| Jul | 31° / 24° | 455 | 28.6 | 13.1 | 2.5 |
| Aug | 31° / 24° | 424 | 28.8 | 12.7 | 2.5 |
| Sep | 31° / 23° | 287 | 24.3 | 12.1 | 3.0 |
| Oct | 30° / 22° | 134 | 16.6 | 11.5 | 4.3 |
| Nov | 29° / 18° | 47 | 6.6 | 11 | 6.6 |
| Dec | 26° / 15° | 31 | 4.3 | 10.8 | 7.9 |
Cloud cover in December
The sky is clear or mostly clear about 63% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 16% of December, with mostly cloudy or overcast conditions the remaining 21%. Skies tend to open up as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 78 | 78 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 77 | 78 | 78 | 78 | 79 | 80 | 81 | 81 | 81 | 82 | 82 | 82 | 82 | 83 | 82 | 82 | 82 | 82 | 80 |
| Cloudier (%) | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 20 | 19 | 19 | 19 | 18 | 18 | 18 | 18 | 17 | 18 | 18 | 18 | 18 | 20 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 78 | 22 |
| 2 | 78 | 22 |
| 3 | 77 | 23 |
| 4 | 77 | 23 |
| 5 | 77 | 23 |
| 6 | 77 | 23 |
| 7 | 77 | 23 |
| 8 | 77 | 23 |
| 9 | 77 | 23 |
| 10 | 77 | 23 |
| 11 | 77 | 23 |
| 12 | 77 | 23 |
| 13 | 77 | 23 |
| 14 | 78 | 22 |
| 15 | 78 | 22 |
| 16 | 78 | 22 |
| 17 | 79 | 21 |
| 18 | 80 | 20 |
| 19 | 81 | 19 |
| 20 | 81 | 19 |
| 21 | 81 | 19 |
| 22 | 82 | 18 |
| 23 | 82 | 18 |
| 24 | 82 | 18 |
| 25 | 82 | 18 |
| 26 | 83 | 17 |
| 27 | 82 | 18 |
| 28 | 82 | 18 |
| 29 | 82 | 18 |
| 30 | 82 | 18 |
| 31 | 80 | 20 |
Chance of precipitation in December
Tachilek gets around 31 mm of rain over 4.3 wet days in December. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 14% and peaks near 17% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 15 | 15 | 14 | 14 | 13 | 12 | 12 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 13 | 13 | 13 | 14 |
| Rain chance (%) | |
|---|---|
| 1 | 17 |
| 2 | 17 |
| 3 | 17 |
| 4 | 17 |
| 5 | 17 |
| 6 | 17 |
| 7 | 17 |
| 8 | 16 |
| 9 | 16 |
| 10 | 16 |
| 11 | 15 |
| 12 | 15 |
| 13 | 14 |
| 14 | 14 |
| 15 | 13 |
| 16 | 12 |
| 17 | 12 |
| 18 | 11 |
| 19 | 11 |
| 20 | 11 |
| 21 | 11 |
| 22 | 11 |
| 23 | 11 |
| 24 | 11 |
| 25 | 12 |
| 26 | 12 |
| 27 | 12 |
| 28 | 13 |
| 29 | 13 |
| 30 | 13 |
| 31 | 14 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid band about 34% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 16 | 17 | 18 | 19 | 20 | 20 | 21 | 21 | 21 | 21 | 21 | 20 | 19 | 18 | 17 | 16 | 15 |
| Comfortable (%) | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 37 | 38 | 39 | 40 | 41 | 42 | 44 | 45 | 46 | 46 | 47 | 48 |
| Humid (%) | 41 | 41 | 40 | 40 | 39 | 39 | 38 | 38 | 38 | 37 | 37 | 36 | 35 | 35 | 34 | 33 | 33 | 32 | 32 | 31 | 31 | 30 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 |
| Muggy (%) | 32 | 31 | 30 | 29 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 20 | 19 | 18 | 16 | 15 | 14 | 13 | 12 | 10 | 10 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 |
| Oppressive (%) | 5 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 6 | 17 | 41 | 32 | 5 |
| 2 | 6 | 18 | 41 | 31 | 5 |
| 3 | 6 | 19 | 40 | 30 | 5 |
| 4 | 7 | 20 | 40 | 29 | 4 |
| 5 | 7 | 21 | 39 | 29 | 4 |
| 6 | 7 | 22 | 39 | 28 | 4 |
| 7 | 8 | 23 | 38 | 27 | 3 |
| 8 | 8 | 24 | 38 | 26 | 3 |
| 9 | 9 | 25 | 38 | 25 | 3 |
| 10 | 10 | 26 | 37 | 24 | 3 |
| 11 | 11 | 27 | 37 | 23 | 2 |
| 12 | 12 | 28 | 36 | 22 | 2 |
| 13 | 13 | 29 | 35 | 20 | 2 |
| 14 | 14 | 30 | 35 | 19 | 2 |
| 15 | 16 | 31 | 34 | 18 | 1 |
| 16 | 17 | 32 | 33 | 16 | 1 |
| 17 | 18 | 33 | 33 | 15 | 1 |
| 18 | 19 | 34 | 32 | 14 | 1 |
| 19 | 20 | 35 | 32 | 13 | 1 |
| 20 | 20 | 37 | 31 | 12 | 0 |
| 21 | 21 | 38 | 31 | 10 | 0 |
| 22 | 21 | 39 | 30 | 10 | 0 |
| 23 | 21 | 40 | 30 | 9 | 0 |
| 24 | 21 | 41 | 29 | 8 | 0 |
| 25 | 21 | 42 | 29 | 8 | 0 |
| 26 | 20 | 44 | 29 | 8 | 0 |
| 27 | 19 | 45 | 28 | 8 | 0 |
| 28 | 18 | 46 | 28 | 8 | 0 |
| 29 | 17 | 46 | 28 | 8 | 0 |
| 30 | 16 | 47 | 28 | 8 | 0 |
| 31 | 15 | 48 | 28 | 9 | 0 |
Wind in December
Winds average 4 km/h in December.
Across December, 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.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 4 | calm |
| 2 | 4 | calm |
| 3 | 4 | calm |
| 4 | 4 | calm |
| 5 | 4 | calm |
| 6 | 4 | calm |
| 7 | 4 | calm |
| 8 | 4 | calm |
| 9 | 4 | calm |
| 10 | 4 | calm |
| 11 | 4 | calm |
| 12 | 4 | calm |
| 13 | 4 | calm |
| 14 | 4 | calm |
| 15 | 4 | calm |
| 16 | 4 | calm |
| 17 | 4 | calm |
| 18 | 4 | calm |
| 19 | 4 | calm |
| 20 | 4 | calm |
| 21 | 4 | calm |
| 22 | 4 | calm |
| 23 | 4 | calm |
| 24 | 4 | calm |
| 25 | 4 | calm |
| 26 | 4 | calm |
| 27 | 4 | calm |
| 28 | 4 | calm |
| 29 | 4 | calm |
| 30 | 4 | calm |
| 31 | 4 | calm |
Sunrise & sunset in December
Daylight runs from about 10 h 48 min at the start of December to 10 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:15 AM to 6:30 AM, and sunset from 5:06 PM to 5:17 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 | 10.8 |
| Sunrise (AM) | 6:15 | 6:15 | 6:16 | 6:17 | 6:17 | 6:18 | 6:18 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:27 | 6:27 | 6:28 | 6:28 | 6:28 | 6:29 | 6:29 | 6:30 | 6:30 | 6:30 |
| Sunset (PM) | 5:06 | 5:06 | 5:06 | 5:06 | 5:06 | 5:07 | 5:07 | 5:07 | 5:07 | 5:08 | 5:08 | 5:08 | 5:09 | 5:09 | 5:09 | 5:10 | 5:10 | 5:10 | 5:11 | 5:11 | 5:12 | 5:12 | 5:13 | 5:13 | 5:14 | 5:14 | 5:15 | 5:15 | 5:16 | 5:16 | 5:17 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 10.8 | 6:15 | 5:06 |
| 2 | 10.8 | 6:15 | 5:06 |
| 3 | 10.8 | 6:16 | 5:06 |
| 4 | 10.8 | 6:17 | 5:06 |
| 5 | 10.8 | 6:17 | 5:06 |
| 6 | 10.8 | 6:18 | 5:07 |
| 7 | 10.8 | 6:18 | 5:07 |
| 8 | 10.8 | 6:19 | 5:07 |
| 9 | 10.8 | 6:20 | 5:07 |
| 10 | 10.8 | 6:20 | 5:08 |
| 11 | 10.8 | 6:21 | 5:08 |
| 12 | 10.8 | 6:21 | 5:08 |
| 13 | 10.8 | 6:22 | 5:09 |
| 14 | 10.8 | 6:23 | 5:09 |
| 15 | 10.8 | 6:23 | 5:09 |
| 16 | 10.8 | 6:24 | 5:10 |
| 17 | 10.8 | 6:24 | 5:10 |
| 18 | 10.8 | 6:25 | 5:10 |
| 19 | 10.8 | 6:25 | 5:11 |
| 20 | 10.8 | 6:26 | 5:11 |
| 21 | 10.8 | 6:26 | 5:12 |
| 22 | 10.8 | 6:27 | 5:12 |
| 23 | 10.8 | 6:27 | 5:13 |
| 24 | 10.8 | 6:28 | 5:13 |
| 25 | 10.8 | 6:28 | 5:14 |
| 26 | 10.8 | 6:28 | 5:14 |
| 27 | 10.8 | 6:29 | 5:15 |
| 28 | 10.8 | 6:29 | 5:15 |
| 29 | 10.8 | 6:30 | 5:16 |
| 30 | 10.8 | 6:30 | 5:16 |
| 31 | 10.8 | 6:30 | 5:17 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.04 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 — December's 4.04 kWh/m² sits near the bottom.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.0 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 | 4.1 |
| Level | Bright | Bright | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.0 | Bright |
| 2 | 4.0 | Bright |
| 3 | 4.0 | Moderate |
| 4 | 4.0 | Moderate |
| 5 | 4.0 | Moderate |
| 6 | 4.0 | Moderate |
| 7 | 4.0 | Moderate |
| 8 | 4.0 | Moderate |
| 9 | 4.0 | Moderate |
| 10 | 4.0 | Moderate |
| 11 | 4.0 | Moderate |
| 12 | 4.0 | Moderate |
| 13 | 4.0 | Bright |
| 14 | 4.0 | Bright |
| 15 | 4.0 | Bright |
| 16 | 4.0 | Bright |
| 17 | 4.1 | Bright |
| 18 | 4.1 | Bright |
| 19 | 4.1 | Bright |
| 20 | 4.1 | Bright |
| 21 | 4.1 | Bright |
| 22 | 4.1 | Bright |
| 23 | 4.1 | Bright |
| 24 | 4.1 | Bright |
| 25 | 4.1 | Bright |
| 26 | 4.1 | Bright |
| 27 | 4.1 | Bright |
| 28 | 4.1 | Bright |
| 29 | 4.1 | Bright |
| 30 | 4.1 | Bright |
| 31 | 4.1 | Bright |
Hazard calendar for Tachilek
None of Tachilek's seasonal hazards are active in December. 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.
Is December a good time to visit Tachilek?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December 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 December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Tachilek sees daytime highs around 26°C and nights near 15°C. Worth packing: light clothes. About 4 days see rain.
UV index in Tachilek in December
Clear-sky midday UV in December 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 7 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | High | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | High |
| Feb | 9 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Tachilek in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December 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).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 23 | 40 | 128 | 156 | 37 | 15 | 13 | 13 | 13 | 14 | 15 | 19 |
| Level | Moderate | Poor | Unhealthy | Very unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 23 | Moderate |
| Feb | 40 | Poor |
| Mar | 128 | Unhealthy |
| Apr | 156 | Very unhealthy |
| May | 37 | Poor |
| Jun | 15 | Moderate |
| Jul | 13 | Moderate |
| Aug | 13 | Moderate |
| Sep | 13 | Moderate |
| Oct | 14 | Moderate |
| Nov | 15 | Moderate |
| Dec | 19 | Moderate |
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.
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.
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
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).