Ko Chang weather in April
In April, Ko Chang sees average daytime highs of 29°C and overnight lows near 27°C, with 115 mm of rain across 17.1 wet days and about 12.3 hours of daylight. It is the 1st-warmest and 7th-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 30% of the time in April, and the air most often feels miserable.
Daylight stretches from about 12 h 06 min at the start of April to 12 h 24 min by month's end. Set against the rest of the year, April is Ko Chang's 6th-clearest and 11th-windiest month. For the whole year in context, see Ko Chang's year-round climate.
- Daytime high
- 29°
- 1st warmest
- Overnight low
- 27°
- 12th coldest
- Rainfall
- 115 mm
- 17.1 wet days
- Daylight
- 12 h 18 min
- 6:03 AM – 6:19 PM
- Cloud cover
- 61%
- 6th clearest
- Wind
- 11 km/h
- 11th windiest
- Solar energy
- 5.99 kWh/m²
- Travel score
- 4.5
- out of 10
Temperature in April
Day-to-day highs hold fairly steady near 29°C through the month.
A typical April day in Ko Chang reaches about 29°C in the afternoon and slips back to 27°C overnight — a 2°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, April runs on par with March and on par with May.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°C) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 27 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 27 |
| 2 | 29 | 27 |
| 3 | 29 | 27 |
| 4 | 29 | 27 |
| 5 | 29 | 27 |
| 6 | 29 | 27 |
| 7 | 29 | 27 |
| 8 | 29 | 27 |
| 9 | 29 | 27 |
| 10 | 29 | 27 |
| 11 | 29 | 27 |
| 12 | 29 | 27 |
| 13 | 29 | 27 |
| 14 | 29 | 28 |
| 15 | 29 | 28 |
| 16 | 29 | 28 |
| 17 | 29 | 28 |
| 18 | 29 | 28 |
| 19 | 29 | 28 |
| 20 | 29 | 28 |
| 21 | 29 | 28 |
| 22 | 29 | 28 |
| 23 | 29 | 28 |
| 24 | 29 | 28 |
| 25 | 29 | 28 |
| 26 | 29 | 28 |
| 27 | 29 | 28 |
| 28 | 29 | 27 |
| 29 | 29 | 27 |
| 30 | 29 | 27 |
How April really feels in Ko Chang
Once humidity and wind are folded in, April averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
The story in April is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ko Chang weather by month
How April compares with the rest of the year at a glance. April is the 1st-warmest and 7th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 25° | 28 | 6.3 | 11.4 | 7.0 |
| Feb | 28° / 26° | 26 | 6.5 | 11.6 | 7.1 |
| Mar | 28° / 27° | 71 | 13.2 | 11.9 | 5.6 |
| Apr | 29° / 27° | 115 | 17.1 | 12.3 | 4.5 |
| May | 29° / 27° | 448 | 27.9 | 12.5 | 3.1 |
| Jun | 29° / 27° | 595 | 28.6 | 12.7 | 3.0 |
| Jul | 28° / 26° | 612 | 29.9 | 12.6 | 3.0 |
| Aug | 28° / 26° | 547 | 29.4 | 12.4 | 3.1 |
| Sep | 28° / 26° | 537 | 28.6 | 12.1 | 3.3 |
| Oct | 28° / 26° | 278 | 23.1 | 11.7 | 4.0 |
| Nov | 29° / 26° | 51 | 8.2 | 11.4 | 5.7 |
| Dec | 29° / 25° | 18 | 3.8 | 11.3 | 6.6 |
Cloud cover in April
The sky is clear or mostly clear about 30% of the time in April.
Beyond those clear spells, partly cloudy skies cover about 14% of April, with mostly cloudy or overcast conditions the remaining 56%. Skies tend to cloud over 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 54 | 54 | 53 | 53 | 52 | 51 | 51 | 49 | 48 | 48 | 48 | 47 | 48 | 47 | 46 | 45 | 45 | 45 | 43 | 42 | 41 | 41 | 39 | 38 | 37 | 36 | 35 | 33 | 32 | 31 |
| Cloudier (%) | 46 | 46 | 47 | 47 | 48 | 49 | 49 | 51 | 52 | 52 | 52 | 53 | 52 | 53 | 54 | 55 | 55 | 55 | 57 | 58 | 59 | 59 | 61 | 62 | 63 | 64 | 65 | 67 | 68 | 69 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 54 | 46 |
| 2 | 54 | 46 |
| 3 | 53 | 47 |
| 4 | 53 | 47 |
| 5 | 52 | 48 |
| 6 | 51 | 49 |
| 7 | 51 | 49 |
| 8 | 49 | 51 |
| 9 | 48 | 52 |
| 10 | 48 | 52 |
| 11 | 48 | 52 |
| 12 | 47 | 53 |
| 13 | 48 | 52 |
| 14 | 47 | 53 |
| 15 | 46 | 54 |
| 16 | 45 | 55 |
| 17 | 45 | 55 |
| 18 | 45 | 55 |
| 19 | 43 | 57 |
| 20 | 42 | 58 |
| 21 | 41 | 59 |
| 22 | 41 | 59 |
| 23 | 39 | 61 |
| 24 | 38 | 62 |
| 25 | 37 | 63 |
| 26 | 36 | 64 |
| 27 | 35 | 65 |
| 28 | 33 | 67 |
| 29 | 32 | 68 |
| 30 | 31 | 69 |
Chance of precipitation in April
Ko Chang gets around 115 mm of rain over 17.1 wet days in April. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 57% and peaks near 73% on the wettest days. The odds climb toward the end of the month.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 56 | 56 | 55 | 55 | 55 | 54 | 54 | 53 | 53 | 52 | 52 | 52 | 51 | 51 | 52 | 52 | 53 | 54 | 55 | 56 | 57 | 59 | 61 | 62 | 64 | 66 | 68 | 69 | 71 | 73 |
| Rain chance (%) | |
|---|---|
| 1 | 56 |
| 2 | 56 |
| 3 | 55 |
| 4 | 55 |
| 5 | 55 |
| 6 | 54 |
| 7 | 54 |
| 8 | 53 |
| 9 | 53 |
| 10 | 52 |
| 11 | 52 |
| 12 | 52 |
| 13 | 51 |
| 14 | 51 |
| 15 | 52 |
| 16 | 52 |
| 17 | 53 |
| 18 | 54 |
| 19 | 55 |
| 20 | 56 |
| 21 | 57 |
| 22 | 59 |
| 23 | 61 |
| 24 | 62 |
| 25 | 64 |
| 26 | 66 |
| 27 | 68 |
| 28 | 69 |
| 29 | 71 |
| 30 | 73 |
Humidity in April
Most of April feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, April lands in the miserable band about 81% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Oppressive (%) | 35 | 33 | 31 | 30 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 7 |
| Miserable (%) | 64 | 66 | 68 | 69 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 86 | 87 | 88 | 89 | 90 | 90 | 91 | 92 | 92 | 93 | 93 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 1 | 35 | 64 |
| 2 | 1 | 33 | 66 |
| 3 | 1 | 31 | 68 |
| 4 | 1 | 30 | 69 |
| 5 | 1 | 28 | 71 |
| 6 | 1 | 27 | 72 |
| 7 | 1 | 26 | 73 |
| 8 | 1 | 25 | 74 |
| 9 | 1 | 24 | 75 |
| 10 | 1 | 23 | 76 |
| 11 | 1 | 22 | 77 |
| 12 | 0 | 21 | 79 |
| 13 | 0 | 20 | 80 |
| 14 | 0 | 19 | 81 |
| 15 | 0 | 18 | 82 |
| 16 | 0 | 17 | 83 |
| 17 | 0 | 16 | 84 |
| 18 | 0 | 15 | 85 |
| 19 | 0 | 14 | 86 |
| 20 | 0 | 14 | 86 |
| 21 | 0 | 13 | 87 |
| 22 | 0 | 12 | 88 |
| 23 | 0 | 11 | 89 |
| 24 | 0 | 10 | 90 |
| 25 | 0 | 10 | 90 |
| 26 | 0 | 9 | 91 |
| 27 | 0 | 8 | 92 |
| 28 | 0 | 8 | 92 |
| 29 | 0 | 7 | 93 |
| 30 | 0 | 7 | 93 |
Wind in April
Winds average 11 km/h in April.
Across April, daily wind ranges from about 11 km/h on the calmest days to 11 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 11 |
| 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 11 | calm |
| 2 | 11 | calm |
| 3 | 11 | calm |
| 4 | 11 | calm |
| 5 | 11 | calm |
| 6 | 11 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 11 | calm |
| 15 | 11 | calm |
| 16 | 11 | calm |
| 17 | 11 | calm |
| 18 | 11 | calm |
| 19 | 11 | calm |
| 20 | 11 | calm |
| 21 | 11 | calm |
| 22 | 11 | calm |
| 23 | 11 | calm |
| 24 | 11 | calm |
| 25 | 11 | calm |
| 26 | 11 | calm |
| 27 | 11 | calm |
| 28 | 11 | calm |
| 29 | 11 | calm |
| 30 | 11 | calm |
Sunrise & sunset in April
Daylight runs from about 12 h 06 min at the start of April to 12 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over April. Sunrise moves from 6:12 AM to 5:56 AM, and sunset from 6:18 PM to 6:21 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 12.1 | 12.1 | 12.1 | 12.1 | 12.1 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.2 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 |
| Sunrise (AM) | 6:12 | 6:12 | 6:11 | 6:10 | 6:10 | 6:09 | 6:09 | 6:08 | 6:07 | 6:07 | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:03 | 6:02 | 6:02 | 6:01 | 6:01 | 6:00 | 6:00 | 5:59 | 5:59 | 5:58 | 5:58 | 5:57 | 5:57 | 5:56 | 5:56 |
| Sunset (PM) | 6:18 | 6:18 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:19 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:20 | 6:21 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.1 | 6:12 | 6:18 |
| 2 | 12.1 | 6:12 | 6:18 |
| 3 | 12.1 | 6:11 | 6:19 |
| 4 | 12.1 | 6:10 | 6:19 |
| 5 | 12.1 | 6:10 | 6:19 |
| 6 | 12.2 | 6:09 | 6:19 |
| 7 | 12.2 | 6:09 | 6:19 |
| 8 | 12.2 | 6:08 | 6:19 |
| 9 | 12.2 | 6:07 | 6:19 |
| 10 | 12.2 | 6:07 | 6:19 |
| 11 | 12.2 | 6:06 | 6:19 |
| 12 | 12.2 | 6:05 | 6:19 |
| 13 | 12.2 | 6:05 | 6:19 |
| 14 | 12.2 | 6:04 | 6:19 |
| 15 | 12.3 | 6:04 | 6:19 |
| 16 | 12.3 | 6:03 | 6:19 |
| 17 | 12.3 | 6:02 | 6:19 |
| 18 | 12.3 | 6:02 | 6:19 |
| 19 | 12.3 | 6:01 | 6:19 |
| 20 | 12.3 | 6:01 | 6:19 |
| 21 | 12.3 | 6:00 | 6:19 |
| 22 | 12.3 | 6:00 | 6:20 |
| 23 | 12.3 | 5:59 | 6:20 |
| 24 | 12.4 | 5:59 | 6:20 |
| 25 | 12.4 | 5:58 | 6:20 |
| 26 | 12.4 | 5:58 | 6:20 |
| 27 | 12.4 | 5:57 | 6:20 |
| 28 | 12.4 | 5:57 | 6:20 |
| 29 | 12.4 | 5:56 | 6:20 |
| 30 | 12.4 | 5:56 | 6:21 |
Solar energy in April
Average shortwave solar energy reaching the ground each day in April, about 5.99 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 4.28 kWh/m² to a high of 5.99 kWh/m² in April across the year — April's 5.99 kWh/m² sits near the top of that range.
| 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 |
| Level | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 6.0 | Bright |
| 2 | 6.0 | Intense |
| 3 | 6.0 | Intense |
| 4 | 6.0 | Intense |
| 5 | 6.0 | Intense |
| 6 | 6.0 | Intense |
| 7 | 6.0 | Intense |
| 8 | 6.0 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.0 | Intense |
| 14 | 6.0 | Intense |
| 15 | 6.0 | Intense |
| 16 | 6.0 | Intense |
| 17 | 6.0 | Intense |
| 18 | 6.0 | Intense |
| 19 | 6.0 | Intense |
| 20 | 6.0 | Bright |
| 21 | 6.0 | Bright |
| 22 | 6.0 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.7 | Bright |
Hazard calendar for Ko Chang
In April, Ko Chang sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Ko Chang sits in the Pacific typhoon belt; the season peaks July–October.
Ko Chang's monsoon runs May–October, when most of the year's rain falls.
Is April a good time to visit Ko Chang?
Our two travel scores rate April for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
April is a reasonable time to visit Ko Chang for sightseeing.
What to pack for Ko Chang in April
From April's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In April, Ko Chang sees daytime highs around 29°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 17 days see rain.
Sea temperature near Ko Chang in April
The nearest coast averages about 30°C in April — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 21 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.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sea temperature (°C) | 28 | 28 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Ko Chang in April
Clear-sky midday UV in April peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ko Chang peaks around August 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 9 (very 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) | 10 | 10 | 13 | 13 | 12 | 12 | 12 | 14 | 12 | 11 | 9 | 9 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Very high |
| Feb | 10 | Extreme |
| Mar | 13 | Extreme |
| Apr | 13 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 12 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Ko Chang in April
Average fine-particle pollution (PM2.5) through the year — so you can see where April falls, not just the annual average.
Air quality in Ko Chang is worst in February — around 25 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (November, 10 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) | 20 | 25 | 20 | 16 | 12 | 12 | 14 | 12 | 11 | 11 | 10 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 20 | Moderate |
| Feb | 25 | Moderate |
| Mar | 20 | Moderate |
| Apr | 16 | Moderate |
| May | 12 | Moderate |
| Jun | 12 | Moderate |
| Jul | 14 | Moderate |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 10 | Good |
| Dec | 11 | Good |
Where is Ko Chang?
Ko Chang sits at 12.0°N, 102.3°E, 0 m above sea level, in Thailand. The nearest listed city is Laem Ngop, 17 km away.
Topography around Ko Chang
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ko Chang.
Within 3 km, the terrain around Ko Chang has large variations in elevation — a maximum elevation change of 647 m around an average of 114 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 735 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,628 m.
The land around Ko Chang is covered by trees (67%) and water (29%) within 3 km, water (74%) and trees (25%) within 16 km, and water (55%) and trees (38%) within 80 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
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 Ko Chang (12.0451°, 102.3003°, 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).