Chachoengsao weather in March
In March, Chachoengsao sees average daytime highs of 35°C and overnight lows near 25°C, with 61 mm of rain across 10.2 wet days and about 11.9 hours of daylight. It is the 2nd-warmest and 8th-wettest month of the year here.
Day-to-day highs hold fairly steady near 35°C through the month. The sky is clear or mostly clear about 49% of the time in March, and the air most often feels miserable.
Daylight stretches from about 11 h 42 min at the start of March to 12 h 06 min by month's end. Set against the rest of the year, March is Chachoengsao's 3rd-clearest and 4th-windiest month. For the whole year in context, see Chachoengsao's year-round climate.
- Daytime high
- 35°
- 2nd warmest
- Overnight low
- 25°
- 6th coldest
- Rainfall
- 61 mm
- 10.2 wet days
- Daylight
- 11 h 54 min
- 6:28 AM – 6:23 PM
- Cloud cover
- 47%
- 3rd clearest
- Wind
- 8 km/h
- 4th windiest
- Solar energy
- 5.88 kWh/m²
- Travel score
- 2.9
- out of 10
Chachoengsao is town in Chachoengsao province, Thailand.
- Air quality
- Elevated
- PM2.5 16 µg/m³ · 2019
- Founded
- 1549
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in March
Day-to-day highs hold fairly steady near 35°C through the month.
A typical March day in Chachoengsao reaches about 35°C in the afternoon and slips back to 25°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 32°C and 36°C. Set against its neighbours, March runs about 1°C warmer than 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) | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 34 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 34 | 25 |
| 2 | 34 | 25 |
| 3 | 34 | 25 |
| 4 | 34 | 25 |
| 5 | 34 | 25 |
| 6 | 34 | 25 |
| 7 | 34 | 25 |
| 8 | 34 | 25 |
| 9 | 34 | 25 |
| 10 | 34 | 25 |
| 11 | 34 | 25 |
| 12 | 34 | 25 |
| 13 | 34 | 25 |
| 14 | 34 | 25 |
| 15 | 34 | 25 |
| 16 | 35 | 25 |
| 17 | 35 | 25 |
| 18 | 35 | 25 |
| 19 | 35 | 25 |
| 20 | 35 | 25 |
| 21 | 35 | 26 |
| 22 | 35 | 26 |
| 23 | 35 | 26 |
| 24 | 35 | 26 |
| 25 | 35 | 26 |
| 26 | 35 | 26 |
| 27 | 35 | 26 |
| 28 | 35 | 26 |
| 29 | 35 | 26 |
| 30 | 35 | 26 |
| 31 | 35 | 26 |
How March really feels in Chachoengsao
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.
Chachoengsao weather by month
How March compares with the rest of the year at a glance. March is the 2nd-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 | 32° / 22° | 18 | 3.8 | 11.3 | 4.8 |
| Feb | 33° / 23° | 19 | 4.3 | 11.5 | 4.0 |
| Mar | 35° / 25° | 61 | 10.2 | 11.9 | 2.9 |
| Apr | 35° / 26° | 97 | 15.3 | 12.3 | 2.1 |
| May | 34° / 27° | 191 | 23.7 | 12.6 | 1.9 |
| Jun | 33° / 27° | 181 | 24.5 | 12.8 | 2.1 |
| Jul | 33° / 26° | 196 | 25.4 | 12.7 | 2.2 |
| Aug | 33° / 26° | 214 | 26.5 | 12.5 | 2.2 |
| Sep | 32° / 26° | 293 | 26.9 | 12.1 | 2.2 |
| Oct | 32° / 25° | 176 | 19.6 | 11.7 | 3.0 |
| Nov | 32° / 24° | 33 | 5.6 | 11.4 | 4.2 |
| Dec | 32° / 22° | 9 | 1.9 | 11.2 | 5.1 |
Cloud cover in March
The sky is clear or mostly clear about 49% of the time in March.
Beyond those clear spells, partly cloudy skies cover about 21% of March, with mostly cloudy or overcast conditions the remaining 31%. 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 (%) | 79 | 79 | 79 | 79 | 79 | 78 | 78 | 78 | 76 | 76 | 75 | 74 | 73 | 72 | 71 | 70 | 69 | 67 | 66 | 65 | 64 | 63 | 62 | 62 | 61 | 60 | 59 | 58 | 58 | 57 | 57 |
| Cloudier (%) | 21 | 21 | 21 | 21 | 21 | 22 | 22 | 22 | 24 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 33 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 41 | 42 | 42 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 79 | 21 |
| 2 | 79 | 21 |
| 3 | 79 | 21 |
| 4 | 79 | 21 |
| 5 | 79 | 21 |
| 6 | 78 | 22 |
| 7 | 78 | 22 |
| 8 | 78 | 22 |
| 9 | 76 | 24 |
| 10 | 76 | 24 |
| 11 | 75 | 25 |
| 12 | 74 | 26 |
| 13 | 73 | 27 |
| 14 | 72 | 28 |
| 15 | 71 | 29 |
| 16 | 70 | 30 |
| 17 | 69 | 31 |
| 18 | 67 | 33 |
| 19 | 66 | 34 |
| 20 | 65 | 35 |
| 21 | 64 | 36 |
| 22 | 63 | 37 |
| 23 | 62 | 38 |
| 24 | 62 | 38 |
| 25 | 61 | 39 |
| 26 | 60 | 40 |
| 27 | 59 | 41 |
| 28 | 58 | 42 |
| 29 | 58 | 42 |
| 30 | 57 | 43 |
| 31 | 57 | 43 |
Chance of precipitation in March
Chachoengsao gets around 61 mm of rain over 10.2 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 32% and peaks near 44% 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 (%) | 21 | 21 | 21 | 22 | 22 | 22 | 23 | 24 | 24 | 25 | 26 | 27 | 29 | 30 | 31 | 33 | 34 | 35 | 36 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 43 | 43 | 44 | 44 | 44 |
| Rain chance (%) | |
|---|---|
| 1 | 21 |
| 2 | 21 |
| 3 | 21 |
| 4 | 22 |
| 5 | 22 |
| 6 | 22 |
| 7 | 23 |
| 8 | 24 |
| 9 | 24 |
| 10 | 25 |
| 11 | 26 |
| 12 | 27 |
| 13 | 29 |
| 14 | 30 |
| 15 | 31 |
| 16 | 33 |
| 17 | 34 |
| 18 | 35 |
| 19 | 36 |
| 20 | 38 |
| 21 | 39 |
| 22 | 40 |
| 23 | 40 |
| 24 | 41 |
| 25 | 42 |
| 26 | 43 |
| 27 | 43 |
| 28 | 43 |
| 29 | 44 |
| 30 | 44 |
| 31 | 44 |
Humidity in March
Most of March feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, March lands in the miserable band about 50% of days. Sticky, muggy-or-worse air turns up on roughly 97% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Comfortable (%) | 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 | 0 |
| Humid (%) | 6 | 5 | 5 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 10 | 9 | 8 | 8 | 7 | 7 | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Oppressive (%) | 45 | 45 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 43 | 42 | 41 | 40 | 39 | 38 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 |
| Miserable (%) | 36 | 36 | 37 | 37 | 38 | 39 | 40 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 48 | 49 | 51 | 53 | 54 | 55 | 56 | 57 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 |
| Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|
| 1 | 1 | 6 | 12 | 45 | 36 |
| 2 | 1 | 5 | 12 | 45 | 36 |
| 3 | 1 | 5 | 11 | 46 | 37 |
| 4 | 1 | 4 | 11 | 46 | 37 |
| 5 | 1 | 4 | 11 | 46 | 38 |
| 6 | 1 | 4 | 10 | 46 | 39 |
| 7 | 1 | 3 | 10 | 46 | 40 |
| 8 | 1 | 3 | 10 | 46 | 40 |
| 9 | 1 | 3 | 9 | 46 | 41 |
| 10 | 1 | 3 | 8 | 46 | 42 |
| 11 | 1 | 2 | 8 | 46 | 43 |
| 12 | 0 | 2 | 7 | 46 | 44 |
| 13 | 0 | 2 | 7 | 46 | 45 |
| 14 | 0 | 2 | 6 | 45 | 46 |
| 15 | 0 | 2 | 6 | 45 | 48 |
| 16 | 0 | 2 | 5 | 44 | 49 |
| 17 | 0 | 1 | 5 | 43 | 51 |
| 18 | 0 | 1 | 4 | 42 | 53 |
| 19 | 0 | 1 | 4 | 41 | 54 |
| 20 | 0 | 1 | 4 | 40 | 55 |
| 21 | 0 | 1 | 4 | 39 | 56 |
| 22 | 0 | 1 | 4 | 38 | 57 |
| 23 | 0 | 1 | 3 | 37 | 59 |
| 24 | 0 | 1 | 3 | 36 | 60 |
| 25 | 0 | 1 | 3 | 35 | 61 |
| 26 | 0 | 1 | 3 | 34 | 62 |
| 27 | 0 | 1 | 3 | 33 | 63 |
| 28 | 0 | 1 | 3 | 32 | 64 |
| 29 | 0 | 1 | 3 | 31 | 65 |
| 30 | 0 | 1 | 3 | 30 | 66 |
| 31 | 0 | 1 | 3 | 29 | 67 |
Wind in March
Winds average 8 km/h in March.
Across March, daily wind ranges from about 8 km/h on the calmest days to 9 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) | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| 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 | 8 | calm |
| 2 | 8 | calm |
| 3 | 8 | calm |
| 4 | 8 | calm |
| 5 | 8 | calm |
| 6 | 8 | calm |
| 7 | 8 | calm |
| 8 | 8 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 8 | calm |
| 19 | 8 | calm |
| 20 | 8 | calm |
| 21 | 8 | calm |
| 22 | 8 | calm |
| 23 | 8 | calm |
| 24 | 8 | calm |
| 25 | 8 | calm |
| 26 | 8 | calm |
| 27 | 8 | calm |
| 28 | 8 | calm |
| 29 | 8 | calm |
| 30 | 8 | calm |
| 31 | 8 | calm |
Sunrise & sunset in March
Daylight runs from about 11 h 42 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 24 minutes over March. Sunrise moves from 6:38 AM to 6:18 AM, and sunset from 6:20 PM to 6:24 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) | 11.7 | 11.7 | 11.7 | 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 | 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) | 6:38 | 6:37 | 6:36 | 6:36 | 6:35 | 6:35 | 6:34 | 6:33 | 6:33 | 6:32 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 | 6:28 | 6:28 | 6:27 | 6:26 | 6:25 | 6:25 | 6:24 | 6:23 | 6:23 | 6:22 | 6:21 | 6:20 | 6:20 | 6:19 | 6:18 | 6:18 |
| Sunset (PM) | 6:20 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:21 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:22 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:24 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:38 | 6:20 |
| 2 | 11.7 | 6:37 | 6:21 |
| 3 | 11.7 | 6:36 | 6:21 |
| 4 | 11.8 | 6:36 | 6:21 |
| 5 | 11.8 | 6:35 | 6:21 |
| 6 | 11.8 | 6:35 | 6:21 |
| 7 | 11.8 | 6:34 | 6:21 |
| 8 | 11.8 | 6:33 | 6:22 |
| 9 | 11.8 | 6:33 | 6:22 |
| 10 | 11.8 | 6:32 | 6:22 |
| 11 | 11.8 | 6:32 | 6:22 |
| 12 | 11.9 | 6:31 | 6:22 |
| 13 | 11.9 | 6:30 | 6:22 |
| 14 | 11.9 | 6:30 | 6:22 |
| 15 | 11.9 | 6:29 | 6:22 |
| 16 | 11.9 | 6:28 | 6:23 |
| 17 | 11.9 | 6:28 | 6:23 |
| 18 | 11.9 | 6:27 | 6:23 |
| 19 | 11.9 | 6:26 | 6:23 |
| 20 | 12.0 | 6:25 | 6:23 |
| 21 | 12.0 | 6:25 | 6:23 |
| 22 | 12.0 | 6:24 | 6:23 |
| 23 | 12.0 | 6:23 | 6:23 |
| 24 | 12.0 | 6:23 | 6:23 |
| 25 | 12.0 | 6:22 | 6:23 |
| 26 | 12.0 | 6:21 | 6:23 |
| 27 | 12.0 | 6:20 | 6:23 |
| 28 | 12.1 | 6:20 | 6:24 |
| 29 | 12.1 | 6:19 | 6:24 |
| 30 | 12.1 | 6:18 | 6:24 |
| 31 | 12.1 | 6:18 | 6:24 |
Solar energy in March
Average shortwave solar energy reaching the ground each day in March, about 5.88 kWh/m².
For context, solar energy here swings from a low near 4.47 kWh/m² to a high of 6 kWh/m² in April across the year — March's 5.88 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) | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.8 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 |
| 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 | 5.8 | Bright |
| 2 | 5.8 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.8 | Bright |
| 7 | 5.8 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.9 | Bright |
| 10 | 5.9 | Bright |
| 11 | 5.9 | Bright |
| 12 | 5.9 | Bright |
| 13 | 5.9 | Bright |
| 14 | 5.9 | Bright |
| 15 | 5.9 | Bright |
| 16 | 5.9 | Bright |
| 17 | 5.9 | Bright |
| 18 | 5.9 | Bright |
| 19 | 5.9 | Bright |
| 20 | 5.9 | Bright |
| 21 | 5.9 | Bright |
| 22 | 5.9 | Bright |
| 23 | 5.9 | Bright |
| 24 | 5.9 | Bright |
| 25 | 5.9 | Bright |
| 26 | 5.9 | Bright |
| 27 | 5.9 | Bright |
| 28 | 5.9 | Bright |
| 29 | 6.0 | Bright |
| 30 | 6.0 | Bright |
| 31 | 6.0 | Bright |
Hazard calendar for Chachoengsao
In March, Chachoengsao sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Chachoengsao sits in the Pacific typhoon belt; the season peaks July–October.
Chachoengsao's rainy season runs May–October, when most of the year's rain falls.
Is March a good time to visit Chachoengsao?
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 Chachoengsao.
What to pack for Chachoengsao in March
From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In March, Chachoengsao sees daytime highs around 35°C and nights near 25°C. Pack light clothes. Worth having: rain gear and sun protection. About 10 days see rain.
Sea temperature near Chachoengsao 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 at the nearest coast (about 41 km away) is warmest in May at about 31°C and coldest in January near 27°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) | 27 | 28 | 29 | 30 | 31 | 30 | 30 | 30 | 29 | 29 | 29 | 28 |
| Comfort | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Chachoengsao in March
Clear-sky midday UV in March peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Chachoengsao peaks around August 15 at about 13 (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) | 9 | 10 | 12 | 12 | 9 | 12 | 12 | 13 | 12 | 10 | 9 | 9 |
| Level | Very high | Very high | Extreme | Extreme | Very high | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Very high |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 9 | Very high |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Chachoengsao 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 Chachoengsao is worst in January — around 22 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (June, 11 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Chachoengsao's WHO annual average of 16 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 22 | 22 | 18 | 15 | 13 | 11 | 12 | 12 | 16 | 19 | 17 | 16 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 22 | Moderate |
| Feb | 22 | Moderate |
| Mar | 18 | Moderate |
| Apr | 15 | Moderate |
| May | 13 | Moderate |
| Jun | 11 | Good |
| Jul | 12 | Good |
| Aug | 12 | Good |
| Sep | 16 | Moderate |
| Oct | 19 | Moderate |
| Nov | 17 | Moderate |
| Dec | 16 | Moderate |
Where is Chachoengsao?
Chachoengsao sits at 13.7°N, 101.1°E, 4 m above sea level, in Thailand. The nearest listed city is Bang Pakong, 18 km away.
Topography around Chachoengsao
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Chachoengsao.
Within 3 km, the terrain around Chachoengsao has only modest variations in elevation — a maximum elevation change of 12 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 36 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,243 m.
The land around Chachoengsao is covered by trees (37%) and artificial surfaces (36%) within 3 km, cropland (43%) and trees (23%) within 16 km, and trees (37%) and cropland (26%) 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 Chachoengsao (13.6882°, 101.0716°, elevation 4 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).