Erawan weather in December
In December, Erawan sees average daytime highs of 28°C and overnight lows near 17°C, with 8 mm of rain across 1.2 wet days and about 11 hours of daylight. It is the 12th-warmest and 12th-wettest month of the year here.
Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 58% of the time in December, and the air most often feels humid.
Daylight stretches from about 11 hours at the start of December to 11 hours by month's end. Set against the rest of the year, December is Erawan's 3rd-clearest and 3rd-windiest month. For the whole year in context, see Erawan's year-round climate.
- Daytime high
- 28°
- 12th warmest
- Overnight low
- 17°
- 2nd coldest
- Rainfall
- 8 mm
- 1.2 wet days
- Daylight
- 11 hours
- 6:39 AM – 5:37 PM
- Cloud cover
- 37%
- 3rd clearest
- Wind
- 6 km/h
- 3rd windiest
- Solar energy
- 4.51 kWh/m²
- Travel score
- 7.8
- out of 10
Temperature in December
Day-to-day highs hold fairly steady near 28°C through the month.
A typical December day in Erawan reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 31°C. Set against its neighbours, December runs about 1°C cooler than November and about 1°C cooler than January.
| 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) | 29 | 29 | 29 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Avg low (°C) | 19 | 19 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 18 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 17 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 29 | 19 |
| 2 | 29 | 19 |
| 3 | 29 | 18 |
| 4 | 28 | 18 |
| 5 | 28 | 18 |
| 6 | 28 | 18 |
| 7 | 28 | 18 |
| 8 | 28 | 18 |
| 9 | 28 | 18 |
| 10 | 28 | 18 |
| 11 | 28 | 17 |
| 12 | 28 | 17 |
| 13 | 28 | 17 |
| 14 | 28 | 17 |
| 15 | 28 | 17 |
| 16 | 28 | 17 |
| 17 | 28 | 17 |
| 18 | 28 | 17 |
| 19 | 28 | 17 |
| 20 | 28 | 17 |
| 21 | 28 | 16 |
| 22 | 28 | 16 |
| 23 | 28 | 16 |
| 24 | 28 | 16 |
| 25 | 28 | 16 |
| 26 | 28 | 16 |
| 27 | 28 | 16 |
| 28 | 28 | 16 |
| 29 | 28 | 16 |
| 30 | 28 | 16 |
| 31 | 28 | 16 |
How December really feels in Erawan
Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.
December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Erawan weather by month
How December compares with the rest of the year at a glance. December is the 12th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 17° | 8 | 1.6 | 11.1 | 7.0 |
| Feb | 31° / 18° | 11 | 2.1 | 11.4 | 5.4 |
| Mar | 34° / 22° | 36 | 6.7 | 11.9 | 3.5 |
| Apr | 35° / 24° | 66 | 11.4 | 12.4 | 2.5 |
| May | 34° / 25° | 167 | 21.3 | 12.8 | 2.3 |
| Jun | 33° / 25° | 145 | 19.1 | 13 | 2.5 |
| Jul | 32° / 25° | 166 | 20.3 | 12.9 | 2.7 |
| Aug | 31° / 25° | 233 | 23.5 | 12.6 | 2.7 |
| Sep | 31° / 24° | 240 | 23.8 | 12.1 | 2.9 |
| Oct | 30° / 23° | 115 | 13.5 | 11.6 | 4.5 |
| Nov | 29° / 20° | 22 | 3.2 | 11.2 | 6.4 |
| Dec | 28° / 17° | 8 | 1.2 | 11 | 7.8 |
Cloud cover in December
The sky is clear or mostly clear about 58% of the time in December.
Beyond those clear spells, partly cloudy skies cover about 18% of December, with mostly cloudy or overcast conditions the remaining 24%. 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 (%) | 73 | 72 | 72 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 74 | 74 | 75 | 76 | 77 | 78 | 79 | 79 | 79 | 80 | 80 | 81 | 81 | 81 | 80 | 79 | 79 | 79 | 78 | 77 | 76 |
| Cloudier (%) | 27 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 27 | 27 | 26 | 26 | 25 | 24 | 23 | 22 | 21 | 21 | 21 | 20 | 20 | 19 | 19 | 19 | 20 | 21 | 21 | 21 | 22 | 23 | 24 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 73 | 27 |
| 2 | 72 | 28 |
| 3 | 72 | 28 |
| 4 | 72 | 28 |
| 5 | 72 | 28 |
| 6 | 72 | 28 |
| 7 | 72 | 28 |
| 8 | 72 | 28 |
| 9 | 73 | 27 |
| 10 | 73 | 27 |
| 11 | 74 | 26 |
| 12 | 74 | 26 |
| 13 | 75 | 25 |
| 14 | 76 | 24 |
| 15 | 77 | 23 |
| 16 | 78 | 22 |
| 17 | 79 | 21 |
| 18 | 79 | 21 |
| 19 | 79 | 21 |
| 20 | 80 | 20 |
| 21 | 80 | 20 |
| 22 | 81 | 19 |
| 23 | 81 | 19 |
| 24 | 81 | 19 |
| 25 | 80 | 20 |
| 26 | 79 | 21 |
| 27 | 79 | 21 |
| 28 | 79 | 21 |
| 29 | 78 | 22 |
| 30 | 77 | 23 |
| 31 | 76 | 24 |
Chance of precipitation in December
Erawan gets around 8 mm of rain over 1.2 wet days in December, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 4% and peaks near 5% 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 (%) | 5 | 5 | 5 | 5 | 5 | 4 | 4 | 4 | 4 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| Rain chance (%) | |
|---|---|
| 1 | 5 |
| 2 | 5 |
| 3 | 5 |
| 4 | 5 |
| 5 | 5 |
| 6 | 4 |
| 7 | 4 |
| 8 | 4 |
| 9 | 4 |
| 10 | 3 |
| 11 | 3 |
| 12 | 3 |
| 13 | 3 |
| 14 | 2 |
| 15 | 2 |
| 16 | 2 |
| 17 | 2 |
| 18 | 3 |
| 19 | 3 |
| 20 | 3 |
| 21 | 3 |
| 22 | 3 |
| 23 | 3 |
| 24 | 4 |
| 25 | 4 |
| 26 | 4 |
| 27 | 4 |
| 28 | 4 |
| 29 | 4 |
| 30 | 4 |
| 31 | 4 |
Humidity in December
Most of December feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, December lands in the humid band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 30% 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 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 12 | 13 | 14 | 16 | 17 | 18 | 19 | 20 | 21 | 21 | 22 | 22 | 22 | 22 | 22 | 21 | 21 | 20 | 19 | 18 | 17 |
| Comfortable (%) | 13 | 13 | 14 | 15 | 15 | 16 | 16 | 17 | 18 | 19 | 19 | 20 | 21 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 25 | 26 | 26 | 27 | 27 | 28 | 28 | 28 | 28 | 28 | 28 |
| Humid (%) | 32 | 32 | 33 | 34 | 35 | 36 | 36 | 37 | 38 | 38 | 38 | 37 | 37 | 36 | 35 | 34 | 33 | 32 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 30 | 30 | 31 | 32 | 33 | 34 |
| Muggy (%) | 37 | 36 | 35 | 34 | 33 | 32 | 30 | 29 | 28 | 27 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 | 20 | 20 | 20 | 20 | 20 | 20 |
| Oppressive (%) | 12 | 11 | 10 | 10 | 9 | 8 | 8 | 7 | 6 | 5 | 5 | 4 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 6 | 13 | 32 | 37 | 12 |
| 2 | 7 | 13 | 32 | 36 | 11 |
| 3 | 7 | 14 | 33 | 35 | 10 |
| 4 | 8 | 15 | 34 | 34 | 10 |
| 5 | 8 | 15 | 35 | 33 | 9 |
| 6 | 9 | 16 | 36 | 32 | 8 |
| 7 | 9 | 16 | 36 | 30 | 8 |
| 8 | 10 | 17 | 37 | 29 | 7 |
| 9 | 10 | 18 | 38 | 28 | 6 |
| 10 | 11 | 19 | 38 | 27 | 5 |
| 11 | 12 | 19 | 38 | 26 | 5 |
| 12 | 13 | 20 | 37 | 25 | 4 |
| 13 | 14 | 21 | 37 | 25 | 3 |
| 14 | 16 | 21 | 36 | 24 | 3 |
| 15 | 17 | 22 | 35 | 24 | 3 |
| 16 | 18 | 22 | 34 | 24 | 2 |
| 17 | 19 | 23 | 33 | 23 | 2 |
| 18 | 20 | 23 | 32 | 23 | 2 |
| 19 | 21 | 24 | 31 | 23 | 2 |
| 20 | 21 | 24 | 30 | 23 | 2 |
| 21 | 22 | 25 | 29 | 22 | 1 |
| 22 | 22 | 26 | 29 | 22 | 1 |
| 23 | 22 | 26 | 29 | 22 | 1 |
| 24 | 22 | 27 | 29 | 21 | 1 |
| 25 | 22 | 27 | 29 | 21 | 1 |
| 26 | 21 | 28 | 30 | 20 | 1 |
| 27 | 21 | 28 | 30 | 20 | 1 |
| 28 | 20 | 28 | 31 | 20 | 1 |
| 29 | 19 | 28 | 32 | 20 | 1 |
| 30 | 18 | 28 | 33 | 20 | 2 |
| 31 | 17 | 28 | 34 | 20 | 2 |
Wind in December
Winds average 6 km/h in December.
Across December, daily wind ranges from about 6 km/h on the calmest days to 6 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) | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| 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 | 6 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 6 | calm |
| 29 | 6 | calm |
| 30 | 6 | calm |
| 31 | 6 | calm |
Sunrise & sunset in December
Daylight runs from about 11 hours at the start of December to 11 hours by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over December. Sunrise moves from 6:31 AM to 6:46 AM, and sunset from 5:33 PM to 5:45 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) | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 | 11.0 |
| Sunrise (AM) | 6:31 | 6:31 | 6:32 | 6:32 | 6:33 | 6:34 | 6:34 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 |
| Sunset (PM) | 5:33 | 5:33 | 5:33 | 5:34 | 5:34 | 5:34 | 5:34 | 5:35 | 5:35 | 5:35 | 5:36 | 5:36 | 5:36 | 5:37 | 5:37 | 5:37 | 5:38 | 5:38 | 5:39 | 5:39 | 5:40 | 5:40 | 5:41 | 5:41 | 5:42 | 5:42 | 5:43 | 5:43 | 5:44 | 5:44 | 5:45 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.0 | 6:31 | 5:33 |
| 2 | 11.0 | 6:31 | 5:33 |
| 3 | 11.0 | 6:32 | 5:33 |
| 4 | 11.0 | 6:32 | 5:34 |
| 5 | 11.0 | 6:33 | 5:34 |
| 6 | 11.0 | 6:34 | 5:34 |
| 7 | 11.0 | 6:34 | 5:34 |
| 8 | 11.0 | 6:35 | 5:35 |
| 9 | 11.0 | 6:35 | 5:35 |
| 10 | 11.0 | 6:36 | 5:35 |
| 11 | 11.0 | 6:36 | 5:36 |
| 12 | 11.0 | 6:37 | 5:36 |
| 13 | 11.0 | 6:38 | 5:36 |
| 14 | 11.0 | 6:38 | 5:37 |
| 15 | 11.0 | 6:39 | 5:37 |
| 16 | 11.0 | 6:39 | 5:37 |
| 17 | 11.0 | 6:40 | 5:38 |
| 18 | 11.0 | 6:40 | 5:38 |
| 19 | 11.0 | 6:41 | 5:39 |
| 20 | 11.0 | 6:41 | 5:39 |
| 21 | 11.0 | 6:42 | 5:40 |
| 22 | 11.0 | 6:42 | 5:40 |
| 23 | 11.0 | 6:43 | 5:41 |
| 24 | 11.0 | 6:43 | 5:41 |
| 25 | 11.0 | 6:44 | 5:42 |
| 26 | 11.0 | 6:44 | 5:42 |
| 27 | 11.0 | 6:44 | 5:43 |
| 28 | 11.0 | 6:45 | 5:43 |
| 29 | 11.0 | 6:45 | 5:44 |
| 30 | 11.0 | 6:46 | 5:44 |
| 31 | 11.0 | 6:46 | 5:45 |
Solar energy in December
Average shortwave solar energy reaching the ground each day in December, about 4.51 kWh/m².
For context, solar energy here swings from a low near 4.23 kWh/m² to a high of 5.99 kWh/m² in April across the year — December's 4.51 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) | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 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 |
| 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 | 4.5 | Bright |
| 2 | 4.5 | Bright |
| 3 | 4.5 | Bright |
| 4 | 4.5 | Bright |
| 5 | 4.5 | Bright |
| 6 | 4.5 | Bright |
| 7 | 4.5 | Bright |
| 8 | 4.5 | Bright |
| 9 | 4.5 | Bright |
| 10 | 4.5 | Bright |
| 11 | 4.5 | Bright |
| 12 | 4.5 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | 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 Erawan
None of Erawan's seasonal hazards are active in December. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.
Erawan's monsoon runs May–October, when most of the year's rain falls.
Is December a good time to visit Erawan?
Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
December is one of the better times to visit Erawan for general sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Erawan in December
From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In December, Erawan sees daytime highs around 28°C and nights near 17°C. Pack light clothes. Worth having: sun protection.
UV index in Erawan in December
Clear-sky midday UV in December peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Erawan peaks around August 11 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 | 10 | 12 | 11 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 8 |
| Level | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 9 | Very high |
| Feb | 10 | Extreme |
| Mar | 12 | Extreme |
| Apr | 11 | Extreme |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Extreme |
| Nov | 8 | Very high |
| Dec | 8 | Very high |
Air quality in Erawan in December
Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.
Air quality in Erawan is worst in March — around 63 µg/m³ PM2.5 (unhealthy), about 3.1× the cleanest month (July, 20 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) | 31 | 45 | 63 | 50 | 28 | 20 | 20 | 21 | 23 | 25 | 24 | 25 |
| Level | Moderate | Poor | Unhealthy | Poor | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 31 | Moderate |
| Feb | 45 | Poor |
| Mar | 63 | Unhealthy |
| Apr | 50 | Poor |
| May | 28 | Moderate |
| Jun | 20 | Moderate |
| Jul | 20 | Moderate |
| Aug | 21 | Moderate |
| Sep | 23 | Moderate |
| Oct | 25 | Moderate |
| Nov | 24 | Moderate |
| Dec | 25 | Moderate |
Where is Erawan?
Erawan sits at 17.3°N, 102.0°E, 358 m above sea level, in Thailand. The nearest listed city is Wang Saphung, 20 km away.
Topography around Erawan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Erawan.
Within 3 km, the terrain around Erawan has only modest variations in elevation — a maximum elevation change of 147 m around an average of 358 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 410 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,433 m.
The land around Erawan is covered by trees (51%) and cropland (36%) within 3 km, cropland (52%) and trees (41%) within 16 km, and trees (59%) and cropland (35%) 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 Erawan (17.3018°, 101.9538°, elevation 358 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. 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).