Ratchaburi weather in August
In August, Ratchaburi sees average daytime highs of 33°C and overnight lows near 26°C, with 143 mm of rain across 23.1 wet days and about 12.4 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 1% of the time in August, and the air most often feels oppressive.
Daylight stretches from about 12 h 36 min at the start of August to 12 h 18 min by month's end. Set against the rest of the year, August is Ratchaburi's 12th-clearest and 5th-windiest month. For the whole year in context, see Ratchaburi's year-round climate.
- Daytime high
- 33°
- 7th warmest
- Overnight low
- 26°
- 8th coldest
- Rainfall
- 143 mm
- 23.1 wet days
- Daylight
- 12 h 30 min
- 6:11 AM – 6:38 PM
- Cloud cover
- 90%
- 12th clearest
- Wind
- 8 km/h
- 5th windiest
- Solar energy
- 4.47 kWh/m²
- Travel score
- 2.4
- out of 10
Ratchaburi is town in Ratchaburi province, Thailand.
- Air quality
- High
- PM2.5 30 µg/m³ · 2019
- Density
- 10,626/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in August
Day-to-day highs hold fairly steady near 33°C through the month.
A typical August day in Ratchaburi reaches about 33°C in the afternoon and slips back to 26°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, August runs on par with July and on par with September.
| 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) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Avg low (°C) | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 26 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 26 |
| 2 | 33 | 26 |
| 3 | 33 | 26 |
| 4 | 33 | 26 |
| 5 | 33 | 26 |
| 6 | 33 | 26 |
| 7 | 33 | 26 |
| 8 | 33 | 26 |
| 9 | 33 | 26 |
| 10 | 33 | 26 |
| 11 | 33 | 26 |
| 12 | 33 | 26 |
| 13 | 33 | 26 |
| 14 | 33 | 26 |
| 15 | 33 | 26 |
| 16 | 33 | 26 |
| 17 | 33 | 26 |
| 18 | 33 | 26 |
| 19 | 33 | 26 |
| 20 | 33 | 26 |
| 21 | 33 | 26 |
| 22 | 33 | 26 |
| 23 | 33 | 26 |
| 24 | 33 | 26 |
| 25 | 33 | 26 |
| 26 | 33 | 26 |
| 27 | 33 | 26 |
| 28 | 33 | 26 |
| 29 | 33 | 26 |
| 30 | 33 | 26 |
| 31 | 33 | 26 |
How August really feels in Ratchaburi
Once humidity and wind are folded in, August 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 August is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ratchaburi weather by month
How August compares with the rest of the year at a glance. August is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 31° / 22° | 12 | 2.2 | 11.3 | 5.3 |
| Feb | 33° / 23° | 10 | 2.4 | 11.5 | 4.2 |
| Mar | 35° / 25° | 37 | 6.4 | 11.9 | 3.0 |
| Apr | 36° / 27° | 68 | 11.2 | 12.3 | 1.9 |
| May | 35° / 27° | 127 | 21.9 | 12.6 | 1.7 |
| Jun | 34° / 27° | 114 | 20.5 | 12.8 | 2.1 |
| Jul | 33° / 26° | 133 | 22.1 | 12.7 | 2.3 |
| Aug | 33° / 26° | 143 | 23.1 | 12.4 | 2.4 |
| Sep | 32° / 26° | 197 | 24.1 | 12.1 | 2.3 |
| Oct | 32° / 25° | 188 | 21.1 | 11.7 | 3.2 |
| Nov | 31° / 24° | 45 | 6.4 | 11.4 | 4.6 |
| Dec | 31° / 22° | 10 | 2.2 | 11.2 | 5.5 |
Cloud cover in August
The sky is clear or mostly clear about 1% of the time in August, the cloudiest month of the year.
Beyond those clear spells, partly cloudy skies cover about 5% of August, with mostly cloudy or overcast conditions the remaining 94%.
| 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 (%) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 |
| Cloudier (%) | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 93 | 92 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 5 | 95 |
| 5 | 5 | 95 |
| 6 | 5 | 95 |
| 7 | 5 | 95 |
| 8 | 5 | 95 |
| 9 | 5 | 95 |
| 10 | 5 | 95 |
| 11 | 6 | 94 |
| 12 | 6 | 94 |
| 13 | 6 | 94 |
| 14 | 6 | 94 |
| 15 | 6 | 94 |
| 16 | 6 | 94 |
| 17 | 6 | 94 |
| 18 | 6 | 94 |
| 19 | 7 | 93 |
| 20 | 7 | 93 |
| 21 | 7 | 93 |
| 22 | 7 | 93 |
| 23 | 7 | 93 |
| 24 | 7 | 93 |
| 25 | 7 | 93 |
| 26 | 7 | 93 |
| 27 | 7 | 93 |
| 28 | 7 | 93 |
| 29 | 7 | 93 |
| 30 | 7 | 93 |
| 31 | 8 | 92 |
Chance of precipitation in August
Ratchaburi gets around 143 mm of rain over 23.1 wet days in August. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 74% and peaks near 78% 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 (%) | 74 | 74 | 74 | 74 | 74 | 74 | 73 | 73 | 73 | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | 75 | 76 | 77 | 77 | 77 | 78 | 78 |
| Rain chance (%) | |
|---|---|
| 1 | 74 |
| 2 | 74 |
| 3 | 74 |
| 4 | 74 |
| 5 | 74 |
| 6 | 74 |
| 7 | 73 |
| 8 | 73 |
| 9 | 73 |
| 10 | 73 |
| 11 | 72 |
| 12 | 72 |
| 13 | 72 |
| 14 | 72 |
| 15 | 72 |
| 16 | 72 |
| 17 | 72 |
| 18 | 72 |
| 19 | 72 |
| 20 | 73 |
| 21 | 73 |
| 22 | 74 |
| 23 | 74 |
| 24 | 75 |
| 25 | 75 |
| 26 | 76 |
| 27 | 77 |
| 28 | 77 |
| 29 | 77 |
| 30 | 78 |
| 31 | 78 |
Humidity in August
Most of August feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, August lands in the oppressive band about 62% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oppressive (%) | 70 | 69 | 69 | 68 | 68 | 67 | 67 | 66 | 66 | 65 | 64 | 63 | 62 | 62 | 61 | 60 | 60 | 59 | 59 | 59 | 58 | 58 | 58 | 57 | 57 | 57 | 56 | 56 | 56 | 56 | 55 |
| Miserable (%) | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 34 | 34 | 35 | 36 | 37 | 38 | 38 | 39 | 40 | 40 | 41 | 41 | 41 | 42 | 42 | 42 | 43 | 43 | 43 | 44 | 44 | 44 | 44 | 45 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 69 | 31 |
| 3 | 69 | 31 |
| 4 | 68 | 32 |
| 5 | 68 | 32 |
| 6 | 67 | 33 |
| 7 | 67 | 33 |
| 8 | 66 | 34 |
| 9 | 66 | 34 |
| 10 | 65 | 35 |
| 11 | 64 | 36 |
| 12 | 63 | 37 |
| 13 | 62 | 38 |
| 14 | 62 | 38 |
| 15 | 61 | 39 |
| 16 | 60 | 40 |
| 17 | 60 | 40 |
| 18 | 59 | 41 |
| 19 | 59 | 41 |
| 20 | 59 | 41 |
| 21 | 58 | 42 |
| 22 | 58 | 42 |
| 23 | 58 | 42 |
| 24 | 57 | 43 |
| 25 | 57 | 43 |
| 26 | 57 | 43 |
| 27 | 56 | 44 |
| 28 | 56 | 44 |
| 29 | 56 | 44 |
| 30 | 56 | 44 |
| 31 | 55 | 45 |
Wind in August
Winds average 8 km/h in August.
Across August, daily wind ranges from about 7 km/h on the calmest days to 8 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 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| 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 | 8 | calm |
| 10 | 8 | calm |
| 11 | 8 | calm |
| 12 | 8 | calm |
| 13 | 8 | calm |
| 14 | 8 | calm |
| 15 | 8 | calm |
| 16 | 8 | calm |
| 17 | 8 | calm |
| 18 | 7 | calm |
| 19 | 7 | calm |
| 20 | 7 | calm |
| 21 | 7 | calm |
| 22 | 7 | calm |
| 23 | 7 | calm |
| 24 | 7 | calm |
| 25 | 7 | calm |
| 26 | 7 | calm |
| 27 | 7 | calm |
| 28 | 7 | calm |
| 29 | 7 | calm |
| 30 | 7 | calm |
| 31 | 7 | calm |
Sunrise & sunset in August
Daylight runs from about 12 h 36 min at the start of August to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over August. Sunrise moves from 6:09 AM to 6:12 AM, and sunset from 6:45 PM to 6:29 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) | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.4 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 | 12.3 |
| Sunrise (AM) | 6:09 | 6:09 | 6:09 | 6:09 | 6:09 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:10 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:11 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 | 6:12 |
| Sunset (PM) | 6:45 | 6:45 | 6:44 | 6:44 | 6:44 | 6:43 | 6:43 | 6:42 | 6:42 | 6:41 | 6:41 | 6:41 | 6:40 | 6:40 | 6:39 | 6:38 | 6:38 | 6:37 | 6:37 | 6:36 | 6:36 | 6:35 | 6:34 | 6:34 | 6:33 | 6:32 | 6:32 | 6:31 | 6:30 | 6:30 | 6:29 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.6 | 6:09 | 6:45 |
| 2 | 12.6 | 6:09 | 6:45 |
| 3 | 12.6 | 6:09 | 6:44 |
| 4 | 12.6 | 6:09 | 6:44 |
| 5 | 12.6 | 6:09 | 6:44 |
| 6 | 12.6 | 6:10 | 6:43 |
| 7 | 12.5 | 6:10 | 6:43 |
| 8 | 12.5 | 6:10 | 6:42 |
| 9 | 12.5 | 6:10 | 6:42 |
| 10 | 12.5 | 6:10 | 6:41 |
| 11 | 12.5 | 6:10 | 6:41 |
| 12 | 12.5 | 6:11 | 6:41 |
| 13 | 12.5 | 6:11 | 6:40 |
| 14 | 12.5 | 6:11 | 6:40 |
| 15 | 12.5 | 6:11 | 6:39 |
| 16 | 12.5 | 6:11 | 6:38 |
| 17 | 12.4 | 6:11 | 6:38 |
| 18 | 12.4 | 6:11 | 6:37 |
| 19 | 12.4 | 6:12 | 6:37 |
| 20 | 12.4 | 6:12 | 6:36 |
| 21 | 12.4 | 6:12 | 6:36 |
| 22 | 12.4 | 6:12 | 6:35 |
| 23 | 12.4 | 6:12 | 6:34 |
| 24 | 12.4 | 6:12 | 6:34 |
| 25 | 12.4 | 6:12 | 6:33 |
| 26 | 12.3 | 6:12 | 6:32 |
| 27 | 12.3 | 6:12 | 6:32 |
| 28 | 12.3 | 6:12 | 6:31 |
| 29 | 12.3 | 6:12 | 6:30 |
| 30 | 12.3 | 6:12 | 6:30 |
| 31 | 12.3 | 6:12 | 6:29 |
Solar energy in August
Average shortwave solar energy reaching the ground each day in August, about 4.47 kWh/m².
For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 6.21 kWh/m² in April across the year — August's 4.47 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) | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 | 4.6 |
| 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 | 4.3 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.3 | Bright |
| 4 | 4.3 | Bright |
| 5 | 4.3 | Bright |
| 6 | 4.3 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.5 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.6 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.6 | Bright |
| 21 | 4.6 | Bright |
| 22 | 4.6 | Bright |
| 23 | 4.6 | Bright |
| 24 | 4.6 | Bright |
| 25 | 4.6 | Bright |
| 26 | 4.6 | Bright |
| 27 | 4.6 | Bright |
| 28 | 4.6 | Bright |
| 29 | 4.6 | Bright |
| 30 | 4.6 | Bright |
| 31 | 4.6 | Bright |
Hazard calendar for Ratchaburi
In August, Ratchaburi sits inside its monsoon season. The full year is below, with each hazard's peak months called out.
Ratchaburi sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Ratchaburi's monsoon runs May–October, when most of the year's rain falls.
Is August a good time to visit Ratchaburi?
Our two travel scores rate August for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
August is a weaker month for outdoor sightseeing in Ratchaburi.
What to pack for Ratchaburi in August
From August's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In August, Ratchaburi sees daytime highs around 33°C and nights near 26°C. Pack light clothes and rain gear. About 23 days see rain.
Sea temperature near Ratchaburi in August
The nearest coast averages about 30°C in August — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 38 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 | 30 | 29 | 29 | 28 |
| Comfort | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Warm |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 27 | Warm |
| Feb | 28 | Warm |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Ratchaburi in August
Clear-sky midday UV in August 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 Ratchaburi peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 20 at about 8 (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) | 8 | 9 | 12 | 11 | 11 | 12 | 12 | 13 | 12 | 10 | 8 | 9 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 8 | Very high |
| Feb | 9 | Very high |
| Mar | 12 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 9 | Very high |
Air quality in Ratchaburi in August
Average fine-particle pollution (PM2.5) through the year — so you can see where August falls, not just the annual average.
Air quality in Ratchaburi is worst in February — around 44 µg/m³ PM2.5 (poor), about 2.6× the cleanest month (August, 17 µg/m³).
Seasonal pattern from CAMS reanalysis, scaled to Ratchaburi's WHO annual average of 30 µg/m³.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 42 | 44 | 43 | 33 | 23 | 17 | 17 | 17 | 21 | 33 | 35 | 34 |
| Level | Poor | Poor | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 42 | Poor |
| Feb | 44 | Poor |
| Mar | 43 | Poor |
| Apr | 33 | Moderate |
| May | 23 | Moderate |
| Jun | 17 | Moderate |
| Jul | 17 | Moderate |
| Aug | 17 | Moderate |
| Sep | 21 | Moderate |
| Oct | 33 | Moderate |
| Nov | 35 | Moderate |
| Dec | 34 | Moderate |
Where is Ratchaburi?
Ratchaburi sits at 13.5°N, 99.8°E, 8 m above sea level, in Thailand. The nearest listed city is Damnoen Saduak, 15 km away.
Topography around Ratchaburi
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ratchaburi.
Within 3 km, the terrain around Ratchaburi has only modest variations in elevation — a maximum elevation change of 43 m around an average of 8 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 231 m; within 80 km, large variations in elevation — a maximum elevation change of 1,189 m.
The land around Ratchaburi is covered by artificial surfaces (47%) and trees (27%) within 3 km, trees (50%) and cropland (29%) within 16 km, and trees (44%) and cropland (25%) 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 Ratchaburi (13.5367°, 99.8171°, elevation 8 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).