Ratchaburi weather in November
In November, Ratchaburi sees average daytime highs of 31°C and overnight lows near 24°C, with 45 mm of rain across 6.4 wet days and about 11.4 hours of daylight. It is the 10th-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 36% of the time in November, and the air most often feels oppressive.
Daylight stretches from about 11 h 30 min at the start of November to 11 h 18 min by month's end. Set against the rest of the year, November is Ratchaburi's 5th-clearest and 2nd-windiest month. For the whole year in context, see Ratchaburi's year-round climate.
- Daytime high
- 31°
- 10th warmest
- Overnight low
- 24°
- 4th coldest
- Rainfall
- 45 mm
- 6.4 wet days
- Daylight
- 11 h 24 min
- 6:25 AM – 5:47 PM
- Cloud cover
- 55%
- 5th clearest
- Wind
- 8 km/h
- 2nd windiest
- Solar energy
- 4.67 kWh/m²
- Travel score
- 4.6
- 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 November
Day-to-day highs hold fairly steady near 31°C through the month.
A typical November day in Ratchaburi reaches about 31°C in the afternoon and slips back to 24°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 34°C. Set against its neighbours, November runs on par with October and on par with December.
| 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) | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 31 | 31 | 31 | 31 |
| Avg low (°C) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 23 | 23 | 23 | 23 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 31 | 24 |
| 2 | 31 | 24 |
| 3 | 31 | 24 |
| 4 | 31 | 24 |
| 5 | 31 | 24 |
| 6 | 31 | 24 |
| 7 | 31 | 24 |
| 8 | 31 | 24 |
| 9 | 31 | 24 |
| 10 | 31 | 24 |
| 11 | 32 | 24 |
| 12 | 32 | 24 |
| 13 | 32 | 24 |
| 14 | 32 | 24 |
| 15 | 32 | 24 |
| 16 | 32 | 24 |
| 17 | 32 | 24 |
| 18 | 32 | 24 |
| 19 | 32 | 24 |
| 20 | 32 | 24 |
| 21 | 32 | 24 |
| 22 | 32 | 24 |
| 23 | 31 | 24 |
| 24 | 31 | 24 |
| 25 | 31 | 24 |
| 26 | 31 | 24 |
| 27 | 31 | 23 |
| 28 | 31 | 23 |
| 29 | 31 | 23 |
| 30 | 31 | 23 |
How November really feels in Ratchaburi
Once humidity and wind are folded in, November 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 November is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Ratchaburi weather by month
How November compares with the rest of the year at a glance. November is the 10th-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° / 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 November
The sky is clear or mostly clear about 36% of the time in November.
Beyond those clear spells, partly cloudy skies cover about 20% of November, with mostly cloudy or overcast conditions the remaining 44%.
| 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 (%) | 48 | 49 | 49 | 50 | 52 | 53 | 53 | 55 | 56 | 57 | 58 | 58 | 59 | 59 | 58 | 58 | 58 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 |
| Cloudier (%) | 52 | 51 | 51 | 50 | 48 | 47 | 47 | 45 | 44 | 43 | 42 | 42 | 41 | 41 | 42 | 42 | 42 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 48 | 52 |
| 2 | 49 | 51 |
| 3 | 49 | 51 |
| 4 | 50 | 50 |
| 5 | 52 | 48 |
| 6 | 53 | 47 |
| 7 | 53 | 47 |
| 8 | 55 | 45 |
| 9 | 56 | 44 |
| 10 | 57 | 43 |
| 11 | 58 | 42 |
| 12 | 58 | 42 |
| 13 | 59 | 41 |
| 14 | 59 | 41 |
| 15 | 58 | 42 |
| 16 | 58 | 42 |
| 17 | 58 | 42 |
| 18 | 58 | 42 |
| 19 | 58 | 42 |
| 20 | 57 | 43 |
| 21 | 57 | 43 |
| 22 | 57 | 43 |
| 23 | 57 | 43 |
| 24 | 57 | 43 |
| 25 | 57 | 43 |
| 26 | 57 | 43 |
| 27 | 57 | 43 |
| 28 | 57 | 43 |
| 29 | 57 | 43 |
| 30 | 57 | 43 |
Chance of precipitation in November
Ratchaburi gets around 45 mm of rain over 6.4 wet days in November. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 23% and peaks near 37% on the wettest days. The odds ease 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 (%) | 37 | 36 | 34 | 32 | 31 | 29 | 28 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 23 | 22 | 21 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 13 | 12 |
| Rain chance (%) | |
|---|---|
| 1 | 37 |
| 2 | 36 |
| 3 | 34 |
| 4 | 32 |
| 5 | 31 |
| 6 | 29 |
| 7 | 28 |
| 8 | 27 |
| 9 | 26 |
| 10 | 26 |
| 11 | 25 |
| 12 | 25 |
| 13 | 24 |
| 14 | 24 |
| 15 | 23 |
| 16 | 23 |
| 17 | 22 |
| 18 | 21 |
| 19 | 21 |
| 20 | 20 |
| 21 | 19 |
| 22 | 18 |
| 23 | 17 |
| 24 | 16 |
| 25 | 15 |
| 26 | 14 |
| 27 | 14 |
| 28 | 13 |
| 29 | 13 |
| 30 | 12 |
Humidity in November
Most of November feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, November lands in the oppressive band about 43% of days. Sticky, muggy-or-worse air turns up on roughly 89% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 |
| Comfortable (%) | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 |
| Humid (%) | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 12 | 13 | 13 |
| Muggy (%) | 19 | 20 | 21 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 29 | 30 |
| Oppressive (%) | 38 | 39 | 39 | 39 | 39 | 39 | 40 | 40 | 41 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 45 | 45 | 46 | 46 | 46 | 46 | 45 | 45 | 44 | 43 |
| Miserable (%) | 36 | 34 | 32 | 31 | 30 | 29 | 28 | 27 | 27 | 26 | 26 | 25 | 25 | 24 | 24 | 23 | 22 | 21 | 20 | 19 | 17 | 16 | 15 | 13 | 12 | 11 | 10 | 10 | 9 | 8 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 0 | 0 | 7 | 19 | 38 | 36 |
| 2 | 0 | 0 | 7 | 20 | 39 | 34 |
| 3 | 0 | 1 | 7 | 21 | 39 | 32 |
| 4 | 0 | 1 | 8 | 22 | 39 | 31 |
| 5 | 0 | 1 | 8 | 23 | 39 | 30 |
| 6 | 0 | 1 | 8 | 23 | 39 | 29 |
| 7 | 0 | 1 | 8 | 24 | 40 | 28 |
| 8 | 0 | 1 | 8 | 24 | 40 | 27 |
| 9 | 0 | 1 | 8 | 24 | 41 | 27 |
| 10 | 0 | 1 | 8 | 24 | 41 | 26 |
| 11 | 0 | 1 | 7 | 24 | 42 | 26 |
| 12 | 0 | 1 | 7 | 24 | 42 | 25 |
| 13 | 0 | 2 | 7 | 24 | 43 | 25 |
| 14 | 0 | 2 | 7 | 24 | 43 | 24 |
| 15 | 0 | 2 | 7 | 24 | 43 | 24 |
| 16 | 0 | 2 | 7 | 25 | 43 | 23 |
| 17 | 0 | 2 | 7 | 25 | 43 | 22 |
| 18 | 0 | 3 | 7 | 26 | 43 | 21 |
| 19 | 0 | 3 | 8 | 26 | 44 | 20 |
| 20 | 0 | 3 | 8 | 26 | 44 | 19 |
| 21 | 0 | 3 | 8 | 26 | 45 | 17 |
| 22 | 0 | 3 | 9 | 27 | 45 | 16 |
| 23 | 0 | 4 | 9 | 27 | 46 | 15 |
| 24 | 0 | 4 | 10 | 27 | 46 | 13 |
| 25 | 0 | 4 | 10 | 27 | 46 | 12 |
| 26 | 0 | 4 | 11 | 27 | 46 | 11 |
| 27 | 1 | 4 | 12 | 28 | 45 | 10 |
| 28 | 1 | 5 | 12 | 28 | 45 | 10 |
| 29 | 1 | 5 | 13 | 29 | 44 | 9 |
| 30 | 1 | 5 | 13 | 30 | 43 | 8 |
Wind in November
Winds average 8 km/h in November.
Across November, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (km/h) | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 7 | calm |
| 3 | 7 | calm |
| 4 | 7 | calm |
| 5 | 7 | calm |
| 6 | 7 | calm |
| 7 | 7 | calm |
| 8 | 7 | calm |
| 9 | 7 | calm |
| 10 | 7 | calm |
| 11 | 7 | calm |
| 12 | 7 | calm |
| 13 | 7 | calm |
| 14 | 7 | calm |
| 15 | 8 | 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 |
Sunrise & sunset in November
Daylight runs from about 11 h 30 min at the start of November to 11 h 18 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 12 minutes over November. Sunrise moves from 6:19 AM to 6:32 AM, and sunset from 5:50 PM to 5:48 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) | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.5 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.4 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 | 11.3 |
| Sunrise (AM) | 6:19 | 6:19 | 6:20 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 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 | 6:29 | 6:29 | 6:30 | 6:30 | 6:31 | 6:31 | 6:32 | 6:32 |
| Sunset (PM) | 5:50 | 5:49 | 5:49 | 5:49 | 5:48 | 5:48 | 5:48 | 5:48 | 5:48 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:47 | 5:48 | 5:48 | 5:48 | 5:48 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.5 | 6:19 | 5:50 |
| 2 | 11.5 | 6:19 | 5:49 |
| 3 | 11.5 | 6:20 | 5:49 |
| 4 | 11.5 | 6:20 | 5:49 |
| 5 | 11.5 | 6:20 | 5:48 |
| 6 | 11.5 | 6:21 | 5:48 |
| 7 | 11.4 | 6:21 | 5:48 |
| 8 | 11.4 | 6:22 | 5:48 |
| 9 | 11.4 | 6:22 | 5:48 |
| 10 | 11.4 | 6:22 | 5:47 |
| 11 | 11.4 | 6:23 | 5:47 |
| 12 | 11.4 | 6:23 | 5:47 |
| 13 | 11.4 | 6:24 | 5:47 |
| 14 | 11.4 | 6:24 | 5:47 |
| 15 | 11.4 | 6:25 | 5:47 |
| 16 | 11.4 | 6:25 | 5:47 |
| 17 | 11.4 | 6:26 | 5:47 |
| 18 | 11.3 | 6:26 | 5:47 |
| 19 | 11.3 | 6:27 | 5:47 |
| 20 | 11.3 | 6:27 | 5:47 |
| 21 | 11.3 | 6:28 | 5:47 |
| 22 | 11.3 | 6:28 | 5:47 |
| 23 | 11.3 | 6:29 | 5:47 |
| 24 | 11.3 | 6:29 | 5:47 |
| 25 | 11.3 | 6:30 | 5:47 |
| 26 | 11.3 | 6:30 | 5:47 |
| 27 | 11.3 | 6:31 | 5:48 |
| 28 | 11.3 | 6:31 | 5:48 |
| 29 | 11.3 | 6:32 | 5:48 |
| 30 | 11.3 | 6:32 | 5:48 |
Solar energy in November
Average shortwave solar energy reaching the ground each day in November, about 4.67 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 — November's 4.67 kWh/m² falls in the middle.
| 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) | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 4.7 | 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 |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 4.6 | Bright |
| 2 | 4.6 | Bright |
| 3 | 4.7 | Bright |
| 4 | 4.7 | Bright |
| 5 | 4.7 | Bright |
| 6 | 4.7 | Bright |
| 7 | 4.7 | Bright |
| 8 | 4.7 | Bright |
| 9 | 4.7 | Bright |
| 10 | 4.7 | Bright |
| 11 | 4.7 | Bright |
| 12 | 4.7 | Bright |
| 13 | 4.7 | Bright |
| 14 | 4.7 | Bright |
| 15 | 4.7 | Bright |
| 16 | 4.7 | Bright |
| 17 | 4.7 | Bright |
| 18 | 4.7 | Bright |
| 19 | 4.7 | Bright |
| 20 | 4.7 | Bright |
| 21 | 4.7 | 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 |
Hazard calendar for Ratchaburi
In November, Ratchaburi sits inside its cyclone 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 November a good time to visit Ratchaburi?
Our two travel scores rate November for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
November is a reasonable time to visit Ratchaburi for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Ratchaburi in November
From November's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In November, Ratchaburi sees daytime highs around 31°C and nights near 24°C. Pack light clothes. Worth having: sun protection. About 6 days see rain.
Sea temperature near Ratchaburi in November
The nearest coast averages about 29°C in November — 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 November
Clear-sky midday UV in November peaks around 8 (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 November
Average fine-particle pollution (PM2.5) through the year — so you can see where November 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).