Prachuap Khiri Khan weather in May
In May, Prachuap Khiri Khan sees average daytime highs of 30°C and overnight lows near 26°C, with 155 mm of rain across 25.6 wet days and about 12.5 hours of daylight. It is the 2nd-warmest and 3rd-wettest month of the year here.
Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 8% of the time in May, and the air most often feels miserable.
Daylight stretches from about 12 h 24 min at the start of May to 12 h 36 min by month's end. Set against the rest of the year, May is Prachuap Khiri Khan's 8th-clearest and 7th-windiest month. For the whole year in context, see Prachuap Khiri Khan's year-round climate.
- Daytime high
- 30°
- 2nd warmest
- Overnight low
- 26°
- 12th coldest
- Rainfall
- 155 mm
- 25.6 wet days
- Daylight
- 12 h 30 min
- 6:01 AM – 6:33 PM
- Cloud cover
- 80%
- 8th clearest
- Wind
- 12 km/h
- 7th windiest
- Solar energy
- 5.59 kWh/m²
- Travel score
- 3.1
- out of 10
Prachuap Khiri Khan is town in Prachuap Khiri Khan province, Thailand.
- Density
- 2,394/km²
- people per km²
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Day-to-day highs hold fairly steady near 30°C through the month.
A typical May day in Prachuap Khiri Khan reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, May runs on par with April and on par with June.
| 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) | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 |
| 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 | 30 | 26 |
| 2 | 30 | 26 |
| 3 | 30 | 26 |
| 4 | 30 | 26 |
| 5 | 30 | 26 |
| 6 | 30 | 26 |
| 7 | 30 | 26 |
| 8 | 30 | 26 |
| 9 | 30 | 26 |
| 10 | 30 | 26 |
| 11 | 30 | 26 |
| 12 | 30 | 26 |
| 13 | 30 | 26 |
| 14 | 30 | 26 |
| 15 | 30 | 26 |
| 16 | 30 | 26 |
| 17 | 30 | 26 |
| 18 | 30 | 26 |
| 19 | 30 | 26 |
| 20 | 30 | 26 |
| 21 | 30 | 26 |
| 22 | 30 | 26 |
| 23 | 30 | 26 |
| 24 | 30 | 26 |
| 25 | 30 | 26 |
| 26 | 30 | 26 |
| 27 | 30 | 26 |
| 28 | 30 | 26 |
| 29 | 30 | 26 |
| 30 | 30 | 26 |
| 31 | 30 | 26 |
How May really feels in Prachuap Khiri Khan
Once humidity and wind are folded in, May 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 May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Prachuap Khiri Khan weather by month
How May compares with the rest of the year at a glance. May is the 2nd-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 | 28° / 23° | 40 | 5.6 | 11.4 | 7.3 |
| Feb | 28° / 24° | 23 | 4.6 | 11.6 | 6.7 |
| Mar | 29° / 25° | 74 | 11.2 | 11.9 | 5.4 |
| Apr | 30° / 26° | 98 | 16.6 | 12.3 | 4.2 |
| May | 30° / 26° | 155 | 25.6 | 12.5 | 3.1 |
| Jun | 29° / 25° | 124 | 23.5 | 12.7 | 3.3 |
| Jul | 29° / 25° | 144 | 25.3 | 12.6 | 3.4 |
| Aug | 29° / 25° | 147 | 25.5 | 12.4 | 3.4 |
| Sep | 29° / 25° | 169 | 25.3 | 12.1 | 3.3 |
| Oct | 28° / 25° | 240 | 25.6 | 11.7 | 3.8 |
| Nov | 28° / 24° | 91 | 10.9 | 11.5 | 5.9 |
| Dec | 28° / 23° | 28 | 4.3 | 11.3 | 7.3 |
Cloud cover in May
The sky is clear or mostly clear about 8% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 12% of May, with mostly cloudy or overcast conditions the remaining 80%. 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 (%) | 40 | 39 | 36 | 35 | 33 | 32 | 30 | 28 | 26 | 25 | 23 | 22 | 21 | 19 | 18 | 17 | 16 | 16 | 14 | 13 | 12 | 12 | 11 | 11 | 9 | 9 | 9 | 9 | 8 | 8 | 7 |
| Cloudier (%) | 60 | 61 | 64 | 65 | 67 | 68 | 70 | 72 | 74 | 75 | 77 | 78 | 79 | 81 | 82 | 83 | 84 | 84 | 86 | 87 | 88 | 88 | 89 | 89 | 91 | 91 | 91 | 91 | 92 | 92 | 93 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 40 | 60 |
| 2 | 39 | 61 |
| 3 | 36 | 64 |
| 4 | 35 | 65 |
| 5 | 33 | 67 |
| 6 | 32 | 68 |
| 7 | 30 | 70 |
| 8 | 28 | 72 |
| 9 | 26 | 74 |
| 10 | 25 | 75 |
| 11 | 23 | 77 |
| 12 | 22 | 78 |
| 13 | 21 | 79 |
| 14 | 19 | 81 |
| 15 | 18 | 82 |
| 16 | 17 | 83 |
| 17 | 16 | 84 |
| 18 | 16 | 84 |
| 19 | 14 | 86 |
| 20 | 13 | 87 |
| 21 | 12 | 88 |
| 22 | 12 | 88 |
| 23 | 11 | 89 |
| 24 | 11 | 89 |
| 25 | 9 | 91 |
| 26 | 9 | 91 |
| 27 | 9 | 91 |
| 28 | 9 | 91 |
| 29 | 8 | 92 |
| 30 | 8 | 92 |
| 31 | 7 | 93 |
Chance of precipitation in May
Prachuap Khiri Khan gets around 155 mm of rain over 25.6 wet days in May. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 82% and peaks near 84% 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 (%) | 73 | 74 | 76 | 77 | 78 | 79 | 80 | 81 | 81 | 82 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 84 | 83 | 83 |
| Rain chance (%) | |
|---|---|
| 1 | 73 |
| 2 | 74 |
| 3 | 76 |
| 4 | 77 |
| 5 | 78 |
| 6 | 79 |
| 7 | 80 |
| 8 | 81 |
| 9 | 81 |
| 10 | 82 |
| 11 | 83 |
| 12 | 83 |
| 13 | 83 |
| 14 | 83 |
| 15 | 83 |
| 16 | 83 |
| 17 | 83 |
| 18 | 84 |
| 19 | 84 |
| 20 | 84 |
| 21 | 84 |
| 22 | 84 |
| 23 | 84 |
| 24 | 84 |
| 25 | 84 |
| 26 | 84 |
| 27 | 84 |
| 28 | 84 |
| 29 | 84 |
| 30 | 83 |
| 31 | 83 |
Humidity in May
Most of May feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the miserable band about 64% 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 (%) | 25 | 25 | 25 | 26 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 35 | 36 | 37 | 38 | 39 | 40 | 40 | 41 | 42 | 42 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 |
| Miserable (%) | 75 | 75 | 75 | 74 | 74 | 73 | 72 | 71 | 70 | 69 | 68 | 67 | 65 | 64 | 63 | 62 | 61 | 60 | 60 | 59 | 58 | 58 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 | 57 |
| Oppressive (%) | Miserable (%) | |
|---|---|---|
| 1 | 25 | 75 |
| 2 | 25 | 75 |
| 3 | 25 | 75 |
| 4 | 26 | 74 |
| 5 | 26 | 74 |
| 6 | 27 | 73 |
| 7 | 28 | 72 |
| 8 | 29 | 71 |
| 9 | 30 | 70 |
| 10 | 31 | 69 |
| 11 | 32 | 68 |
| 12 | 33 | 67 |
| 13 | 35 | 65 |
| 14 | 36 | 64 |
| 15 | 37 | 63 |
| 16 | 38 | 62 |
| 17 | 39 | 61 |
| 18 | 40 | 60 |
| 19 | 40 | 60 |
| 20 | 41 | 59 |
| 21 | 42 | 58 |
| 22 | 42 | 58 |
| 23 | 43 | 57 |
| 24 | 43 | 57 |
| 25 | 43 | 57 |
| 26 | 43 | 57 |
| 27 | 43 | 57 |
| 28 | 43 | 57 |
| 29 | 43 | 57 |
| 30 | 43 | 57 |
| 31 | 43 | 57 |
Wind in May
Winds average 12 km/h in May.
Across May, daily wind ranges from about 10 km/h on the calmest days to 13 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) | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 11 | 11 | 11 | 11 | 11 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 | 13 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze | light breeze |
| Wind speed (km/h) | Feels | |
|---|---|---|
| 1 | 10 | calm |
| 2 | 10 | calm |
| 3 | 10 | calm |
| 4 | 10 | calm |
| 5 | 10 | calm |
| 6 | 10 | calm |
| 7 | 11 | calm |
| 8 | 11 | calm |
| 9 | 11 | calm |
| 10 | 11 | calm |
| 11 | 11 | calm |
| 12 | 11 | calm |
| 13 | 11 | calm |
| 14 | 12 | calm |
| 15 | 12 | calm |
| 16 | 12 | calm |
| 17 | 12 | calm |
| 18 | 12 | light breeze |
| 19 | 12 | light breeze |
| 20 | 12 | light breeze |
| 21 | 13 | light breeze |
| 22 | 13 | light breeze |
| 23 | 13 | light breeze |
| 24 | 13 | light breeze |
| 25 | 13 | light breeze |
| 26 | 13 | light breeze |
| 27 | 13 | light breeze |
| 28 | 13 | light breeze |
| 29 | 13 | light breeze |
| 30 | 13 | light breeze |
| 31 | 13 | light breeze |
Sunrise & sunset in May
Daylight runs from about 12 h 24 min at the start of May to 12 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 12 minutes over May. Sunrise moves from 6:06 AM to 5:59 AM, and sunset from 6:30 PM to 6:37 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) | 12.4 | 12.4 | 12.4 | 12.4 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.5 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 | 12.6 |
| Sunrise (AM) | 6:06 | 6:05 | 6:05 | 6:04 | 6:04 | 6:04 | 6:03 | 6:03 | 6:03 | 6:02 | 6:02 | 6:02 | 6:02 | 6:01 | 6:01 | 6:01 | 6:01 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 5:59 | 5:59 | 5:59 | 5:59 | 5:59 | 5:59 | 5:59 |
| Sunset (PM) | 6:30 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:31 | 6:32 | 6:32 | 6:32 | 6:32 | 6:32 | 6:33 | 6:33 | 6:33 | 6:33 | 6:34 | 6:34 | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:37 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.4 | 6:06 | 6:30 |
| 2 | 12.4 | 6:05 | 6:31 |
| 3 | 12.4 | 6:05 | 6:31 |
| 4 | 12.4 | 6:04 | 6:31 |
| 5 | 12.5 | 6:04 | 6:31 |
| 6 | 12.5 | 6:04 | 6:31 |
| 7 | 12.5 | 6:03 | 6:31 |
| 8 | 12.5 | 6:03 | 6:32 |
| 9 | 12.5 | 6:03 | 6:32 |
| 10 | 12.5 | 6:02 | 6:32 |
| 11 | 12.5 | 6:02 | 6:32 |
| 12 | 12.5 | 6:02 | 6:32 |
| 13 | 12.5 | 6:02 | 6:33 |
| 14 | 12.5 | 6:01 | 6:33 |
| 15 | 12.5 | 6:01 | 6:33 |
| 16 | 12.5 | 6:01 | 6:33 |
| 17 | 12.5 | 6:01 | 6:34 |
| 18 | 12.6 | 6:00 | 6:34 |
| 19 | 12.6 | 6:00 | 6:34 |
| 20 | 12.6 | 6:00 | 6:34 |
| 21 | 12.6 | 6:00 | 6:35 |
| 22 | 12.6 | 6:00 | 6:35 |
| 23 | 12.6 | 6:00 | 6:35 |
| 24 | 12.6 | 6:00 | 6:35 |
| 25 | 12.6 | 5:59 | 6:36 |
| 26 | 12.6 | 5:59 | 6:36 |
| 27 | 12.6 | 5:59 | 6:36 |
| 28 | 12.6 | 5:59 | 6:37 |
| 29 | 12.6 | 5:59 | 6:37 |
| 30 | 12.6 | 5:59 | 6:37 |
| 31 | 12.6 | 5:59 | 6:37 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.59 kWh/m².
For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.36 kWh/m² in April across the year — May's 5.59 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) | 6.1 | 6.0 | 6.0 | 6.0 | 5.9 | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.6 | 5.6 | 5.6 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.3 | 5.3 |
| Level | Intense | Intense | Intense | 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 | 6.1 | Intense |
| 2 | 6.0 | Intense |
| 3 | 6.0 | Intense |
| 4 | 6.0 | Bright |
| 5 | 5.9 | Bright |
| 6 | 5.9 | Bright |
| 7 | 5.9 | Bright |
| 8 | 5.8 | Bright |
| 9 | 5.8 | Bright |
| 10 | 5.8 | Bright |
| 11 | 5.7 | Bright |
| 12 | 5.7 | Bright |
| 13 | 5.6 | Bright |
| 14 | 5.6 | Bright |
| 15 | 5.6 | Bright |
| 16 | 5.5 | Bright |
| 17 | 5.5 | Bright |
| 18 | 5.5 | Bright |
| 19 | 5.5 | Bright |
| 20 | 5.5 | Bright |
| 21 | 5.4 | Bright |
| 22 | 5.4 | Bright |
| 23 | 5.4 | Bright |
| 24 | 5.4 | Bright |
| 25 | 5.4 | Bright |
| 26 | 5.4 | Bright |
| 27 | 5.3 | Bright |
| 28 | 5.3 | Bright |
| 29 | 5.3 | Bright |
| 30 | 5.3 | Bright |
| 31 | 5.3 | Bright |
Hazard calendar for Prachuap Khiri Khan
In May, Prachuap Khiri Khan sits inside its cyclone and rainy season season. The full year is below, with each hazard's peak months called out.
Prachuap Khiri Khan sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.
Prachuap Khiri Khan's rainy season runs May–October, when most of the year's rain falls.
Is May a good time to visit Prachuap Khiri Khan?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a weaker month for outdoor sightseeing in Prachuap Khiri Khan.
What to pack for Prachuap Khiri Khan in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Prachuap Khiri Khan sees daytime highs around 30°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.
Sea temperature near Prachuap Khiri Khan in May
The nearest coast averages about 30°C in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea offshore is warmest in May at about 30°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 | 30 | 30 | 29 | 29 | 29 | 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 | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 28 | Warm |
UV index in Prachuap Khiri Khan in May
Clear-sky midday UV in May 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 Prachuap Khiri Khan peaks around August 16 at about 14 (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) | 9 | 11 | 13 | 12 | 12 | 12 | 13 | 14 | 13 | 11 | 8 | 9 |
| 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 | 11 | Extreme |
| Mar | 13 | Extreme |
| Apr | 12 | Extreme |
| May | 12 | Extreme |
| Jun | 12 | Extreme |
| Jul | 13 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 8 | Very high |
| Dec | 9 | Very high |
Air quality in Prachuap Khiri Khan in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Prachuap Khiri Khan is worst in April — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (September, 11 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) | 24 | 24 | 25 | 26 | 16 | 12 | 13 | 12 | 11 | 14 | 19 | 20 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 24 | Moderate |
| Feb | 24 | Moderate |
| Mar | 25 | Moderate |
| Apr | 26 | Moderate |
| May | 16 | Moderate |
| Jun | 12 | Moderate |
| Jul | 13 | Moderate |
| Aug | 12 | Good |
| Sep | 11 | Good |
| Oct | 14 | Moderate |
| Nov | 19 | Moderate |
| Dec | 20 | Moderate |
Where is Prachuap Khiri Khan?
Prachuap Khiri Khan sits at 11.8°N, 99.8°E, 13 m above sea level, in Thailand. The nearest listed city is Kui Buri, 30 km away.
Topography around Prachuap Khiri Khan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Prachuap Khiri Khan.
Within 3 km, the terrain around Prachuap Khiri Khan has only modest variations in elevation — a maximum elevation change of 69 m around an average of 10 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,290 m.
The land around Prachuap Khiri Khan is covered by trees (29%), grassland (29%) and artificial surfaces (20%) within 3 km, water (43%) and trees (38%) within 16 km, and trees (58%) and water (36%) 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 Prachuap Khiri Khan (11.821°, 99.7841°, elevation 13 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).