Khlong Yai weather in March
In March, Khlong Yai sees average daytime highs of 31°C and overnight lows near 23°C, with 159 mm of rain across 21.9 wet days and about 11.9 hours of daylight. It is the 4th-warmest and 8th-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 21% of the time in March, and the air most often feels oppressive.
Daylight stretches from about 11 h 48 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Khlong Yai's 4th-clearest and 10th-windiest month. For the whole year in context, see Khlong Yai's year-round climate.
- Daytime high
- 31°
- 4th warmest
- Overnight low
- 23°
- 5th coldest
- Rainfall
- 159 mm
- 21.9 wet days
- Daylight
- 11 h 54 min
- 6:21 AM – 6:16 PM
- Cloud cover
- 61%
- 4th clearest
- Wind
- 5 km/h
- 10th windiest
- Solar energy
- 5.74 kWh/m²
- Travel score
- 3.4
- out of 10
Khlong Yai is subdistrict municipality in Trat province, Thailand.
- Founded
- 1955
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 31°C through the month.
A typical March day in Khlong Yai reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°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, March runs on par with February and on par with April.
| 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) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 22 |
| 2 | 31 | 22 |
| 3 | 31 | 22 |
| 4 | 31 | 22 |
| 5 | 31 | 22 |
| 6 | 31 | 22 |
| 7 | 31 | 22 |
| 8 | 31 | 22 |
| 9 | 31 | 22 |
| 10 | 31 | 22 |
| 11 | 31 | 22 |
| 12 | 31 | 23 |
| 13 | 31 | 23 |
| 14 | 31 | 23 |
| 15 | 31 | 23 |
| 16 | 31 | 23 |
| 17 | 31 | 23 |
| 18 | 31 | 23 |
| 19 | 31 | 23 |
| 20 | 31 | 23 |
| 21 | 31 | 23 |
| 22 | 31 | 23 |
| 23 | 31 | 23 |
| 24 | 31 | 23 |
| 25 | 31 | 23 |
| 26 | 31 | 23 |
| 27 | 31 | 23 |
| 28 | 31 | 23 |
| 29 | 31 | 23 |
| 30 | 31 | 23 |
| 31 | 31 | 23 |
How March really feels in Khlong Yai
Once humidity and wind are folded in, March 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.
The story in March is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Khlong Yai weather by month
How March compares with the rest of the year at a glance. March is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 21° | 56 | 9.5 | 11.4 | 4.6 |
| Feb | 31° / 22° | 78 | 13.3 | 11.6 | 4.2 |
| Mar | 31° / 23° | 159 | 21.9 | 11.9 | 3.4 |
| Apr | 31° / 24° | 215 | 26.3 | 12.3 | 2.7 |
| May | 30° / 24° | 337 | 29.6 | 12.5 | 2.6 |
| Jun | 29° / 24° | 471 | 29.1 | 12.7 | 2.8 |
| Jul | 28° / 24° | 582 | 30.4 | 12.6 | 2.9 |
| Aug | 28° / 24° | 583 | 30.6 | 12.4 | 2.9 |
| Sep | 29° / 23° | 512 | 29.6 | 12.1 | 2.8 |
| Oct | 30° / 23° | 375 | 27.3 | 11.7 | 3.0 |
| Nov | 31° / 22° | 115 | 14.7 | 11.5 | 4.0 |
| Dec | 31° / 22° | 38 | 6.7 | 11.3 | 4.8 |
Cloud cover in March
The sky is clear or mostly clear about 21% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 28% of March, with mostly cloudy or overcast conditions the remaining 51%. 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 53 | 53 | 54 | 54 | 54 | 54 | 54 | 55 | 54 | 54 | 54 | 54 | 53 | 53 | 52 | 51 | 50 | 49 | 48 | 47 | 47 | 47 | 44 | 44 | 43 | 43 | 42 | 42 | 40 | 40 | 39 |
| Cloudier (%) | 47 | 47 | 46 | 46 | 46 | 46 | 46 | 45 | 46 | 46 | 46 | 46 | 47 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 53 | 53 | 56 | 56 | 57 | 57 | 58 | 58 | 60 | 60 | 61 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 53 | 47 |
| 2 | 53 | 47 |
| 3 | 54 | 46 |
| 4 | 54 | 46 |
| 5 | 54 | 46 |
| 6 | 54 | 46 |
| 7 | 54 | 46 |
| 8 | 55 | 45 |
| 9 | 54 | 46 |
| 10 | 54 | 46 |
| 11 | 54 | 46 |
| 12 | 54 | 46 |
| 13 | 53 | 47 |
| 14 | 53 | 47 |
| 15 | 52 | 48 |
| 16 | 51 | 49 |
| 17 | 50 | 50 |
| 18 | 49 | 51 |
| 19 | 48 | 52 |
| 20 | 47 | 53 |
| 21 | 47 | 53 |
| 22 | 47 | 53 |
| 23 | 44 | 56 |
| 24 | 44 | 56 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 42 | 58 |
| 28 | 42 | 58 |
| 29 | 40 | 60 |
| 30 | 40 | 60 |
| 31 | 39 | 61 |
Chance of precipitation in March
Khlong Yai gets around 159 mm of rain over 21.9 wet days in March. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 71% and peaks near 83% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 63 | 63 | 63 | 63 | 63 | 64 | 64 | 65 | 65 | 66 | 66 | 67 | 68 | 69 | 70 | 71 | 71 | 72 | 73 | 74 | 75 | 75 | 76 | 77 | 78 | 79 | 79 | 80 | 81 | 82 | 83 |
| Rain chance (%) | |
|---|---|
| 1 | 63 |
| 2 | 63 |
| 3 | 63 |
| 4 | 63 |
| 5 | 63 |
| 6 | 64 |
| 7 | 64 |
| 8 | 65 |
| 9 | 65 |
| 10 | 66 |
| 11 | 66 |
| 12 | 67 |
| 13 | 68 |
| 14 | 69 |
| 15 | 70 |
| 16 | 71 |
| 17 | 71 |
| 18 | 72 |
| 19 | 73 |
| 20 | 74 |
| 21 | 75 |
| 22 | 75 |
| 23 | 76 |
| 24 | 77 |
| 25 | 78 |
| 26 | 79 |
| 27 | 79 |
| 28 | 80 |
| 29 | 81 |
| 30 | 82 |
| 31 | 83 |
Humidity in March
Most of March feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the oppressive band about 84% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 13 | 12 | 11 | 11 | 10 | 9 | 8 | 8 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 79 | 80 | 81 | 81 | 82 | 83 | 84 | 85 | 85 | 86 | 86 | 86 | 86 | 87 | 88 | 89 | 88 | 89 | 88 | 88 | 87 | 86 | 86 | 85 | 84 | 82 | 81 | 80 | 79 | 77 | 76 |
| Miserable (%) | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 19 | 20 | 22 | 23 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 3 | 13 | 79 | 5 |
| 2 | 3 | 12 | 80 | 5 |
| 3 | 3 | 11 | 81 | 5 |
| 4 | 2 | 11 | 81 | 6 |
| 5 | 2 | 10 | 82 | 6 |
| 6 | 2 | 9 | 83 | 6 |
| 7 | 2 | 8 | 84 | 6 |
| 8 | 1 | 8 | 85 | 6 |
| 9 | 1 | 7 | 85 | 7 |
| 10 | 1 | 6 | 86 | 7 |
| 11 | 1 | 6 | 86 | 7 |
| 12 | 1 | 5 | 86 | 8 |
| 13 | 1 | 5 | 86 | 8 |
| 14 | 1 | 4 | 87 | 8 |
| 15 | 0 | 4 | 88 | 8 |
| 16 | 0 | 3 | 89 | 8 |
| 17 | 0 | 3 | 88 | 9 |
| 18 | 0 | 2 | 89 | 9 |
| 19 | 0 | 2 | 88 | 10 |
| 20 | 0 | 2 | 88 | 10 |
| 21 | 0 | 2 | 87 | 11 |
| 22 | 0 | 2 | 86 | 12 |
| 23 | 0 | 1 | 86 | 13 |
| 24 | 0 | 1 | 85 | 14 |
| 25 | 0 | 1 | 84 | 15 |
| 26 | 0 | 1 | 82 | 17 |
| 27 | 0 | 1 | 81 | 18 |
| 28 | 0 | 1 | 80 | 19 |
| 29 | 0 | 1 | 79 | 20 |
| 30 | 0 | 1 | 77 | 22 |
| 31 | 0 | 1 | 76 | 23 |
Wind in March
Winds average 5 km/h in March.
Across March, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 48 min at the start of March to 12 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 18 minutes over March. Sunrise moves from 6:29 AM to 6:11 AM, and sunset from 6:14 PM to 6:16 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) | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.1 | 12.1 | 12.1 | 12.1 |
| Sunrise (AM) | 6:29 | 6:29 | 6:28 | 6:28 | 6:27 | 6:26 | 6:26 | 6:25 | 6:25 | 6:24 | 6:24 | 6:23 | 6:22 | 6:22 | 6:21 | 6:21 | 6:20 | 6:19 | 6:19 | 6:18 | 6:17 | 6:17 | 6:16 | 6:15 | 6:15 | 6:14 | 6:13 | 6:13 | 6:12 | 6:11 | 6:11 |
| Sunset (PM) | 6:14 | 6:14 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:15 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 | 6:16 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.8 | 6:29 | 6:14 |
| 2 | 11.8 | 6:29 | 6:14 |
| 3 | 11.8 | 6:28 | 6:15 |
| 4 | 11.8 | 6:28 | 6:15 |
| 5 | 11.8 | 6:27 | 6:15 |
| 6 | 11.8 | 6:26 | 6:15 |
| 7 | 11.8 | 6:26 | 6:15 |
| 8 | 11.8 | 6:25 | 6:15 |
| 9 | 11.8 | 6:25 | 6:15 |
| 10 | 11.9 | 6:24 | 6:15 |
| 11 | 11.9 | 6:24 | 6:15 |
| 12 | 11.9 | 6:23 | 6:15 |
| 13 | 11.9 | 6:22 | 6:16 |
| 14 | 11.9 | 6:22 | 6:16 |
| 15 | 11.9 | 6:21 | 6:16 |
| 16 | 11.9 | 6:21 | 6:16 |
| 17 | 11.9 | 6:20 | 6:16 |
| 18 | 11.9 | 6:19 | 6:16 |
| 19 | 12.0 | 6:19 | 6:16 |
| 20 | 12.0 | 6:18 | 6:16 |
| 21 | 12.0 | 6:17 | 6:16 |
| 22 | 12.0 | 6:17 | 6:16 |
| 23 | 12.0 | 6:16 | 6:16 |
| 24 | 12.0 | 6:15 | 6:16 |
| 25 | 12.0 | 6:15 | 6:16 |
| 26 | 12.0 | 6:14 | 6:16 |
| 27 | 12.0 | 6:13 | 6:16 |
| 28 | 12.1 | 6:13 | 6:16 |
| 29 | 12.1 | 6:12 | 6:16 |
| 30 | 12.1 | 6:11 | 6:16 |
| 31 | 12.1 | 6:11 | 6:16 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.74 kWh/m² — the sunniest month for solar.
For context, solar energy here swings from a low near 3.92 kWh/m² to a high of 5.74 kWh/m² in March across the year — March's 5.74 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.6 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.7 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Bright | 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 | 5.6 | Bright |
| 2 | 5.7 | Bright |
| 3 | 5.7 | Bright |
| 4 | 5.7 | Bright |
| 5 | 5.7 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.7 | Bright |
| 10 | 5.7 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.7 | Bright |
| 14 | 5.7 | Bright |
| 15 | 5.7 | Bright |
| 16 | 5.7 | Bright |
| 17 | 5.7 | Bright |
| 18 | 5.7 | Bright |
| 19 | 5.7 | Bright |
| 20 | 5.7 | Bright |
| 21 | 5.7 | Bright |
| 22 | 5.7 | Bright |
| 23 | 5.7 | Bright |
| 24 | 5.7 | Bright |
| 25 | 5.7 | Bright |
| 26 | 5.7 | Bright |
| 27 | 5.8 | Bright |
| 28 | 5.8 | Bright |
| 29 | 5.8 | Bright |
| 30 | 5.8 | Bright |
| 31 | 5.8 | Bright |
Hazard calendar for Khlong Yai
In March, Khlong Yai sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Khlong Yai sits in the Pacific typhoon belt; the season peaks July–October.
Khlong Yai's monsoon runs May–October, when most of the year's rain falls.
Is March a good time to visit Khlong Yai?
Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
March is a weaker month for outdoor sightseeing in Khlong Yai.
What to pack for Khlong Yai in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Khlong Yai sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 22 days see rain.
Sea temperature near Khlong Yai in March
The nearest coast averages about 29°C in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore 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 | 29 | 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 | 29 | 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 Khlong Yai in March
Clear-sky midday UV in March 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 Khlong Yai peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 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 | 11 | 13 | 12 | 12 | 12 | 12 | 14 | 13 | 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 | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Khlong Yai in March
Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.
Air quality in Khlong Yai is worst in February — around 40 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (November, 11 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) | 28 | 40 | 27 | 19 | 13 | 12 | 13 | 12 | 11 | 11 | 11 | 12 |
| Level | Moderate | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 28 | Moderate |
| Feb | 40 | Poor |
| Mar | 27 | Moderate |
| Apr | 19 | Moderate |
| May | 13 | Moderate |
| Jun | 12 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 11 | Good |
| Nov | 11 | Good |
| Dec | 12 | Good |
Where is Khlong Yai?
Khlong Yai sits at 11.8°N, 102.9°E, 45 m above sea level, in Thailand. The nearest listed city is Koh Kong, 21 km away.
Topography around Khlong Yai
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Khlong Yai.
Within 3 km, the terrain around Khlong Yai has significant variations in elevation — a maximum elevation change of 324 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 741 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,728 m.
The land around Khlong Yai is covered by trees (52%) and water (34%) within 3 km, trees (49%) and water (44%) within 16 km, and trees (52%) and water (42%) 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 Khlong Yai (11.7765°, 102.8873°, elevation 45 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).