Bang Pa-in weather in January
In January, Bang Pa-in sees average daytime highs of 33°C and overnight lows near 22°C, with 12 mm of rain across 2.7 wet days and about 11.3 hours of daylight. It is the 10th-warmest and 11th-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 54% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 11 h 12 min at the start of January to 11 h 24 min by month's end. Set against the rest of the year, January is Bang Pa-in's 2nd-clearest and 11th-windiest month. For the whole year in context, see Bang Pa-in's year-round climate.
- Daytime high
- 33°
- 10th warmest
- Overnight low
- 22°
- 1st coldest
- Rainfall
- 12 mm
- 2.7 wet days
- Daylight
- 11 h 12 min
- 6:50 AM – 6:04 PM
- Cloud cover
- 42%
- 2nd clearest
- Wind
- 7 km/h
- 11th windiest
- Solar energy
- 4.97 kWh/m²
- Travel score
- 4.6
- out of 10
Temperature in January
Day-to-day highs hold fairly steady near 33°C through the month.
A typical January day in Bang Pa-in reaches about 33°C in the afternoon and slips back to 22°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°C. Set against its neighbours, January runs on par with December and about 1°C cooler than February.
| 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) | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 |
| Avg low (°C) | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 | 22 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 32 | 22 |
| 2 | 32 | 22 |
| 3 | 32 | 22 |
| 4 | 32 | 22 |
| 5 | 32 | 22 |
| 6 | 32 | 22 |
| 7 | 32 | 22 |
| 8 | 32 | 22 |
| 9 | 32 | 22 |
| 10 | 32 | 22 |
| 11 | 32 | 22 |
| 12 | 32 | 22 |
| 13 | 32 | 22 |
| 14 | 32 | 22 |
| 15 | 32 | 22 |
| 16 | 32 | 22 |
| 17 | 33 | 22 |
| 18 | 33 | 22 |
| 19 | 33 | 22 |
| 20 | 33 | 22 |
| 21 | 33 | 22 |
| 22 | 33 | 22 |
| 23 | 33 | 22 |
| 24 | 33 | 22 |
| 25 | 33 | 22 |
| 26 | 33 | 22 |
| 27 | 33 | 22 |
| 28 | 33 | 22 |
| 29 | 33 | 22 |
| 30 | 33 | 22 |
| 31 | 33 | 22 |
How January really feels in Bang Pa-in
Once humidity and wind are folded in, January 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 January is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Bang Pa-in weather by month
How January compares with the rest of the year at a glance. January is the 10th-warmest and 11th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 33° / 22° | 12 | 2.7 | 11.3 | 4.6 |
| Feb | 34° / 23° | 14 | 3.1 | 11.5 | 3.7 |
| Mar | 35° / 26° | 46 | 7.6 | 11.9 | 2.6 |
| Apr | 36° / 27° | 77 | 12.9 | 12.3 | 1.7 |
| May | 35° / 27° | 159 | 22.2 | 12.7 | 1.6 |
| Jun | 34° / 27° | 149 | 23.4 | 12.8 | 1.8 |
| Jul | 34° / 26° | 149 | 23.6 | 12.8 | 2.0 |
| Aug | 34° / 26° | 175 | 24.5 | 12.5 | 2.0 |
| Sep | 33° / 26° | 266 | 25.8 | 12.1 | 2.1 |
| Oct | 33° / 25° | 164 | 19.3 | 11.7 | 2.9 |
| Nov | 33° / 24° | 33 | 5.7 | 11.3 | 4.0 |
| Dec | 32° / 22° | 8 | 2 | 11.2 | 4.7 |
Cloud cover in January
The sky is clear or mostly clear about 54% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 18% of January, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up 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 (%) | 70 | 70 | 70 | 70 | 69 | 69 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 70 | 71 | 71 | 72 | 72 | 72 | 73 | 73 | 73 | 75 | 75 | 76 | 76 | 77 | 78 | 79 | 80 | 80 |
| Cloudier (%) | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 25 | 25 | 24 | 24 | 23 | 22 | 21 | 20 | 20 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 70 | 30 |
| 2 | 70 | 30 |
| 3 | 70 | 30 |
| 4 | 70 | 30 |
| 5 | 69 | 31 |
| 6 | 69 | 31 |
| 7 | 70 | 30 |
| 8 | 70 | 30 |
| 9 | 70 | 30 |
| 10 | 70 | 30 |
| 11 | 70 | 30 |
| 12 | 70 | 30 |
| 13 | 70 | 30 |
| 14 | 70 | 30 |
| 15 | 71 | 29 |
| 16 | 71 | 29 |
| 17 | 72 | 28 |
| 18 | 72 | 28 |
| 19 | 72 | 28 |
| 20 | 73 | 27 |
| 21 | 73 | 27 |
| 22 | 73 | 27 |
| 23 | 75 | 25 |
| 24 | 75 | 25 |
| 25 | 76 | 24 |
| 26 | 76 | 24 |
| 27 | 77 | 23 |
| 28 | 78 | 22 |
| 29 | 79 | 21 |
| 30 | 80 | 20 |
| 31 | 80 | 20 |
Chance of precipitation in January
Bang Pa-in gets around 12 mm of rain over 2.7 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 8% and peaks near 9% 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 (%) | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 8 | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
| Rain chance (%) | |
|---|---|
| 1 | 6 |
| 2 | 7 |
| 3 | 7 |
| 4 | 7 |
| 5 | 8 |
| 6 | 8 |
| 7 | 8 |
| 8 | 8 |
| 9 | 9 |
| 10 | 9 |
| 11 | 9 |
| 12 | 9 |
| 13 | 9 |
| 14 | 9 |
| 15 | 9 |
| 16 | 9 |
| 17 | 8 |
| 18 | 8 |
| 19 | 8 |
| 20 | 9 |
| 21 | 9 |
| 22 | 9 |
| 23 | 9 |
| 24 | 9 |
| 25 | 9 |
| 26 | 9 |
| 27 | 9 |
| 28 | 9 |
| 29 | 9 |
| 30 | 9 |
| 31 | 9 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 31% of days. Sticky, muggy-or-worse air turns up on roughly 64% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 6 | 6 | 5 | 5 | 4 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 5 | 5 | 5 | 5 |
| Comfortable (%) | 16 | 15 | 15 | 15 | 14 | 14 | 13 | 13 | 12 | 12 | 11 | 11 | 11 | 10 | 10 | 9 | 9 | 9 | 8 | 8 | 8 | 8 | 8 | 7 | 7 | 7 | 7 | 7 | 8 | 8 | 8 |
| Humid (%) | 25 | 25 | 25 | 26 | 25 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 21 | 21 | 21 | 20 | 20 | 20 | 20 | 19 | 19 | 18 | 18 | 18 | 17 | 17 |
| Muggy (%) | 31 | 31 | 31 | 31 | 30 | 30 | 30 | 29 | 29 | 28 | 28 | 28 | 27 | 27 | 27 | 27 | 27 | 27 | 28 | 28 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 24 | 23 | 22 | 21 |
| Oppressive (%) | 20 | 20 | 21 | 22 | 23 | 24 | 26 | 27 | 28 | 29 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 33 | 33 | 34 | 34 | 34 | 34 | 35 | 36 | 36 | 37 | 37 | 38 | 38 |
| Miserable (%) | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 5 | 5 | 5 | 5 | 6 | 6 | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 8 | 9 | 9 | 9 | 10 | 10 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|---|---|
| 1 | 6 | 16 | 25 | 31 | 20 | 2 |
| 2 | 6 | 15 | 25 | 31 | 20 | 2 |
| 3 | 5 | 15 | 25 | 31 | 21 | 2 |
| 4 | 5 | 15 | 26 | 31 | 22 | 2 |
| 5 | 4 | 14 | 25 | 30 | 23 | 3 |
| 6 | 4 | 14 | 25 | 30 | 24 | 3 |
| 7 | 4 | 13 | 25 | 30 | 26 | 3 |
| 8 | 4 | 13 | 24 | 29 | 27 | 3 |
| 9 | 4 | 12 | 24 | 29 | 28 | 3 |
| 10 | 3 | 12 | 24 | 28 | 29 | 4 |
| 11 | 3 | 11 | 23 | 28 | 30 | 4 |
| 12 | 3 | 11 | 23 | 28 | 31 | 4 |
| 13 | 3 | 11 | 23 | 27 | 31 | 5 |
| 14 | 4 | 10 | 23 | 27 | 32 | 5 |
| 15 | 4 | 10 | 23 | 27 | 32 | 5 |
| 16 | 4 | 9 | 22 | 27 | 33 | 5 |
| 17 | 4 | 9 | 22 | 27 | 33 | 6 |
| 18 | 4 | 9 | 21 | 27 | 33 | 6 |
| 19 | 4 | 8 | 21 | 28 | 33 | 6 |
| 20 | 4 | 8 | 21 | 28 | 33 | 6 |
| 21 | 4 | 8 | 20 | 28 | 34 | 7 |
| 22 | 4 | 8 | 20 | 28 | 34 | 7 |
| 23 | 4 | 8 | 20 | 27 | 34 | 7 |
| 24 | 4 | 7 | 20 | 27 | 34 | 8 |
| 25 | 4 | 7 | 19 | 27 | 35 | 8 |
| 26 | 4 | 7 | 19 | 26 | 36 | 8 |
| 27 | 4 | 7 | 18 | 25 | 36 | 9 |
| 28 | 5 | 7 | 18 | 24 | 37 | 9 |
| 29 | 5 | 8 | 18 | 23 | 37 | 9 |
| 30 | 5 | 8 | 17 | 22 | 38 | 10 |
| 31 | 5 | 8 | 17 | 21 | 38 | 10 |
Wind in January
Winds average 7 km/h in January.
Across January, 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 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 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 | 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 | 7 | calm |
| 16 | 7 | calm |
| 17 | 7 | 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 January
Daylight runs from about 11 h 12 min at the start of January to 11 h 24 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over January. Sunrise moves from 6:46 AM to 6:50 AM, and sunset from 5:56 PM to 6:12 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) | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 11.2 | 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 | 11.4 | 11.4 |
| Sunrise (AM) | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:47 | 6:48 | 6:48 | 6:48 | 6:48 | 6:49 | 6:49 | 6:49 | 6:49 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 | 6:50 |
| Sunset (PM) | 5:56 | 5:57 | 5:57 | 5:58 | 5:58 | 5:59 | 5:59 | 6:00 | 6:00 | 6:01 | 6:02 | 6:02 | 6:03 | 6:03 | 6:04 | 6:04 | 6:05 | 6:05 | 6:06 | 6:06 | 6:07 | 6:08 | 6:08 | 6:09 | 6:09 | 6:10 | 6:10 | 6:11 | 6:11 | 6:12 | 6:12 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.2 | 6:46 | 5:56 |
| 2 | 11.2 | 6:46 | 5:57 |
| 3 | 11.2 | 6:46 | 5:57 |
| 4 | 11.2 | 6:47 | 5:58 |
| 5 | 11.2 | 6:47 | 5:58 |
| 6 | 11.2 | 6:47 | 5:59 |
| 7 | 11.2 | 6:48 | 5:59 |
| 8 | 11.2 | 6:48 | 6:00 |
| 9 | 11.2 | 6:48 | 6:00 |
| 10 | 11.2 | 6:48 | 6:01 |
| 11 | 11.2 | 6:49 | 6:02 |
| 12 | 11.2 | 6:49 | 6:02 |
| 13 | 11.2 | 6:49 | 6:03 |
| 14 | 11.2 | 6:49 | 6:03 |
| 15 | 11.2 | 6:50 | 6:04 |
| 16 | 11.2 | 6:50 | 6:04 |
| 17 | 11.3 | 6:50 | 6:05 |
| 18 | 11.3 | 6:50 | 6:05 |
| 19 | 11.3 | 6:50 | 6:06 |
| 20 | 11.3 | 6:50 | 6:06 |
| 21 | 11.3 | 6:50 | 6:07 |
| 22 | 11.3 | 6:50 | 6:08 |
| 23 | 11.3 | 6:50 | 6:08 |
| 24 | 11.3 | 6:50 | 6:09 |
| 25 | 11.3 | 6:50 | 6:09 |
| 26 | 11.3 | 6:50 | 6:10 |
| 27 | 11.3 | 6:50 | 6:10 |
| 28 | 11.3 | 6:50 | 6:11 |
| 29 | 11.3 | 6:50 | 6:11 |
| 30 | 11.4 | 6:50 | 6:12 |
| 31 | 11.4 | 6:50 | 6:12 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.97 kWh/m².
For context, solar energy here swings from a low near 4.56 kWh/m² to a high of 6.16 kWh/m² in April across the year — January's 4.97 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.1 | 5.1 | 5.1 | 5.1 | 5.1 | 5.2 | 5.2 | 5.2 | 5.2 |
| 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 | 4.9 | Bright |
| 2 | 4.9 | Bright |
| 3 | 4.9 | Bright |
| 4 | 4.9 | Bright |
| 5 | 4.9 | Bright |
| 6 | 4.9 | Bright |
| 7 | 4.9 | Bright |
| 8 | 4.9 | Bright |
| 9 | 4.9 | Bright |
| 10 | 4.9 | Bright |
| 11 | 4.9 | Bright |
| 12 | 4.9 | Bright |
| 13 | 4.9 | Bright |
| 14 | 4.9 | Bright |
| 15 | 5.0 | Bright |
| 16 | 5.0 | Bright |
| 17 | 5.0 | Bright |
| 18 | 5.0 | Bright |
| 19 | 5.0 | Bright |
| 20 | 5.0 | Bright |
| 21 | 5.0 | Bright |
| 22 | 5.0 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.1 | Bright |
| 25 | 5.1 | Bright |
| 26 | 5.1 | Bright |
| 27 | 5.1 | Bright |
| 28 | 5.2 | Bright |
| 29 | 5.2 | Bright |
| 30 | 5.2 | Bright |
| 31 | 5.2 | Bright |
Hazard calendar for Bang Pa-in
In January, Bang Pa-in sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Bang Pa-in sits in the Pacific typhoon belt; the season peaks July–October.
Bang Pa-in's monsoon runs May–October, when most of the year's rain falls.
Is January a good time to visit Bang Pa-in?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a reasonable time to visit Bang Pa-in for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Bang Pa-in in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Bang Pa-in sees daytime highs around 33°C and nights near 22°C. Pack light clothes. Worth having: sun protection.
UV index in Bang Pa-in in January
Clear-sky midday UV in January peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Bang Pa-in peaks around August 15 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near November 23 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) | 9 | 9 | 12 | 11 | 11 | 12 | 12 | 13 | 12 | 10 | 8 | 8 |
| Level | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | 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 | 8 | Very high |
Air quality in Bang Pa-in in January
Average fine-particle pollution (PM2.5) through the year — so you can see where January falls, not just the annual average.
Air quality in Bang Pa-in is worst in January — around 83 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (July, 43 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) | 83 | 81 | 70 | 64 | 54 | 44 | 43 | 43 | 54 | 66 | 67 | 66 |
| Level | Unhealthy | Unhealthy | Unhealthy | Unhealthy | Poor | Poor | Poor | Poor | Poor | Unhealthy | Unhealthy | Unhealthy |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 83 | Unhealthy |
| Feb | 81 | Unhealthy |
| Mar | 70 | Unhealthy |
| Apr | 64 | Unhealthy |
| May | 54 | Poor |
| Jun | 44 | Poor |
| Jul | 43 | Poor |
| Aug | 43 | Poor |
| Sep | 54 | Poor |
| Oct | 66 | Unhealthy |
| Nov | 67 | Unhealthy |
| Dec | 66 | Unhealthy |
Where is Bang Pa-in?
Bang Pa-in sits at 14.2°N, 100.6°E, 8 m above sea level, in Thailand. The nearest listed city is Ayutthaya, 14 km away.
Topography around Bang Pa-in
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bang Pa-in.
Within 3 km, the terrain around Bang Pa-in has only modest variations in elevation — a maximum elevation change of 22 m around an average of 4 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, large variations in elevation — a maximum elevation change of 1,097 m.
The land around Bang Pa-in is covered by cropland (32%) and trees (23%) within 3 km, cropland (46%) within 16 km, and cropland (52%) and trees (24%) 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 Bang Pa-in (14.2278°, 100.5759°, 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). 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).