Ban Houakhoua weather in May
In May, Ban Houakhoua sees average daytime highs of 33°C and overnight lows near 24°C, with 215 mm of rain across 19.3 wet days and about 12.9 hours of daylight. It is the 3rd-warmest and 5th-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 24% of the time in May, and the air most often feels oppressive.
Daylight stretches from about 12 h 42 min at the start of May to 13 h 06 min by month's end. Set against the rest of the year, May is Ban Houakhoua's 8th-clearest and 5th-windiest month. For the whole year in context, see Ban Houakhoua's year-round climate.
- Daytime high
- 33°
- 3rd warmest
- Overnight low
- 24°
- 9th coldest
- Rainfall
- 215 mm
- 19.3 wet days
- Daylight
- 13 hours
- 5:46 AM – 6:43 PM
- Cloud cover
- 67%
- 8th clearest
- Wind
- 5 km/h
- 5th windiest
- Solar energy
- 5.33 kWh/m²
- Travel score
- 2.8
- out of 10
Temperature in May
Day-to-day highs hold fairly steady near 33°C through the month.
A typical May day in Ban Houakhoua reaches about 33°C in the afternoon and slips back to 24°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 36°C. Set against its neighbours, May runs about 1°C cooler than April and about 1°C warmer than 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) | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 33 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 | 32 |
| Avg low (°C) | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 33 | 23 |
| 2 | 33 | 23 |
| 3 | 33 | 23 |
| 4 | 33 | 23 |
| 5 | 33 | 23 |
| 6 | 33 | 23 |
| 7 | 33 | 23 |
| 8 | 33 | 23 |
| 9 | 33 | 23 |
| 10 | 33 | 24 |
| 11 | 33 | 24 |
| 12 | 33 | 24 |
| 13 | 33 | 24 |
| 14 | 33 | 24 |
| 15 | 33 | 24 |
| 16 | 33 | 24 |
| 17 | 33 | 24 |
| 18 | 33 | 24 |
| 19 | 33 | 24 |
| 20 | 33 | 24 |
| 21 | 32 | 24 |
| 22 | 32 | 24 |
| 23 | 32 | 24 |
| 24 | 32 | 24 |
| 25 | 32 | 24 |
| 26 | 32 | 24 |
| 27 | 32 | 24 |
| 28 | 32 | 24 |
| 29 | 32 | 24 |
| 30 | 32 | 24 |
| 31 | 32 | 24 |
How May really feels in Ban Houakhoua
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.
Ban Houakhoua weather by month
How May compares with the rest of the year at a glance. May is the 3rd-warmest and 5th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 28° / 15° | 22 | 2.8 | 10.9 | 7.9 |
| Feb | 30° / 16° | 12 | 1.8 | 11.3 | 6.2 |
| Mar | 33° / 19° | 37 | 4.8 | 11.9 | 4.3 |
| Apr | 34° / 22° | 99 | 9.6 | 12.4 | 3.2 |
| May | 33° / 24° | 215 | 19.3 | 12.9 | 2.8 |
| Jun | 32° / 25° | 235 | 24.8 | 13.2 | 2.5 |
| Jul | 31° / 24° | 353 | 28 | 13.1 | 2.6 |
| Aug | 30° / 24° | 363 | 28.4 | 12.7 | 2.6 |
| Sep | 31° / 23° | 245 | 24.2 | 12.1 | 3.0 |
| Oct | 30° / 22° | 106 | 15.1 | 11.5 | 4.4 |
| Nov | 29° / 18° | 39 | 5.4 | 11 | 6.5 |
| Dec | 27° / 15° | 23 | 3.1 | 10.8 | 8.0 |
Cloud cover in May
The sky is clear or mostly clear about 24% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 60%. 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 (%) | 66 | 65 | 63 | 62 | 61 | 58 | 56 | 55 | 53 | 51 | 48 | 46 | 45 | 43 | 41 | 39 | 36 | 35 | 33 | 31 | 30 | 28 | 27 | 24 | 23 | 22 | 20 | 19 | 18 | 17 | 15 |
| Cloudier (%) | 34 | 35 | 37 | 38 | 39 | 42 | 44 | 45 | 47 | 49 | 52 | 54 | 55 | 57 | 59 | 61 | 64 | 65 | 67 | 69 | 70 | 72 | 73 | 76 | 77 | 78 | 80 | 81 | 82 | 83 | 85 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 66 | 34 |
| 2 | 65 | 35 |
| 3 | 63 | 37 |
| 4 | 62 | 38 |
| 5 | 61 | 39 |
| 6 | 58 | 42 |
| 7 | 56 | 44 |
| 8 | 55 | 45 |
| 9 | 53 | 47 |
| 10 | 51 | 49 |
| 11 | 48 | 52 |
| 12 | 46 | 54 |
| 13 | 45 | 55 |
| 14 | 43 | 57 |
| 15 | 41 | 59 |
| 16 | 39 | 61 |
| 17 | 36 | 64 |
| 18 | 35 | 65 |
| 19 | 33 | 67 |
| 20 | 31 | 69 |
| 21 | 30 | 70 |
| 22 | 28 | 72 |
| 23 | 27 | 73 |
| 24 | 24 | 76 |
| 25 | 23 | 77 |
| 26 | 22 | 78 |
| 27 | 20 | 80 |
| 28 | 19 | 81 |
| 29 | 18 | 82 |
| 30 | 17 | 83 |
| 31 | 15 | 85 |
Chance of precipitation in May
Ban Houakhoua gets around 215 mm of rain over 19.3 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 62% and peaks near 79% 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 (%) | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 55 | 56 | 57 | 58 | 59 | 60 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 79 |
| Rain chance (%) | |
|---|---|
| 1 | 46 |
| 2 | 47 |
| 3 | 48 |
| 4 | 49 |
| 5 | 50 |
| 6 | 51 |
| 7 | 52 |
| 8 | 53 |
| 9 | 55 |
| 10 | 56 |
| 11 | 57 |
| 12 | 58 |
| 13 | 59 |
| 14 | 60 |
| 15 | 62 |
| 16 | 63 |
| 17 | 64 |
| 18 | 65 |
| 19 | 66 |
| 20 | 67 |
| 21 | 68 |
| 22 | 69 |
| 23 | 70 |
| 24 | 71 |
| 25 | 72 |
| 26 | 73 |
| 27 | 74 |
| 28 | 75 |
| 29 | 76 |
| 30 | 77 |
| 31 | 79 |
Humidity in May
Most of May feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the oppressive band about 77% of days. Sticky, muggy-or-worse air turns up on roughly 99% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 3 | 3 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Muggy (%) | 37 | 35 | 33 | 31 | 29 | 27 | 25 | 23 | 21 | 20 | 18 | 17 | 16 | 15 | 14 | 14 | 13 | 12 | 11 | 11 | 10 | 10 | 9 | 9 | 8 | 7 | 7 | 6 | 6 | 5 | 5 |
| Oppressive (%) | 60 | 62 | 65 | 67 | 69 | 70 | 72 | 74 | 76 | 77 | 80 | 81 | 81 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 81 | 81 | 81 | 82 | 82 | 81 | 81 | 81 | 81 | 81 |
| Miserable (%) | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 9 | 10 | 11 | 12 | 13 | 13 | 14 | 14 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 3 | 37 | 60 | 0 |
| 2 | 3 | 35 | 62 | 0 |
| 3 | 2 | 33 | 65 | 0 |
| 4 | 2 | 31 | 67 | 0 |
| 5 | 2 | 29 | 69 | 0 |
| 6 | 2 | 27 | 70 | 1 |
| 7 | 2 | 25 | 72 | 1 |
| 8 | 2 | 23 | 74 | 1 |
| 9 | 2 | 21 | 76 | 1 |
| 10 | 2 | 20 | 77 | 1 |
| 11 | 1 | 18 | 80 | 1 |
| 12 | 1 | 17 | 81 | 1 |
| 13 | 1 | 16 | 81 | 2 |
| 14 | 1 | 15 | 82 | 2 |
| 15 | 1 | 14 | 82 | 3 |
| 16 | 1 | 14 | 82 | 3 |
| 17 | 1 | 13 | 82 | 4 |
| 18 | 1 | 12 | 82 | 5 |
| 19 | 1 | 11 | 82 | 6 |
| 20 | 1 | 11 | 82 | 6 |
| 21 | 1 | 10 | 82 | 7 |
| 22 | 1 | 10 | 81 | 8 |
| 23 | 1 | 9 | 81 | 9 |
| 24 | 1 | 9 | 81 | 9 |
| 25 | 0 | 8 | 82 | 10 |
| 26 | 0 | 7 | 82 | 11 |
| 27 | 0 | 7 | 81 | 12 |
| 28 | 0 | 6 | 81 | 13 |
| 29 | 0 | 6 | 81 | 13 |
| 30 | 0 | 5 | 81 | 14 |
| 31 | 0 | 5 | 81 | 14 |
Wind in May
Winds average 5 km/h in May.
Across May, daily wind ranges from about 5 km/h on the calmest days to 5 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) | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| 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 | 5 | calm |
| 2 | 5 | calm |
| 3 | 5 | calm |
| 4 | 5 | calm |
| 5 | 5 | calm |
| 6 | 5 | calm |
| 7 | 5 | calm |
| 8 | 5 | calm |
| 9 | 5 | calm |
| 10 | 5 | calm |
| 11 | 5 | calm |
| 12 | 5 | calm |
| 13 | 5 | calm |
| 14 | 5 | calm |
| 15 | 5 | calm |
| 16 | 5 | calm |
| 17 | 5 | calm |
| 18 | 5 | calm |
| 19 | 5 | calm |
| 20 | 5 | calm |
| 21 | 5 | calm |
| 22 | 5 | calm |
| 23 | 5 | calm |
| 24 | 5 | calm |
| 25 | 5 | calm |
| 26 | 5 | calm |
| 27 | 5 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in May
Daylight runs from about 12 h 42 min at the start of May to 13 h 06 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 24 minutes over May. Sunrise moves from 5:53 AM to 5:42 AM, and sunset from 6:37 PM to 6:49 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) | 12.7 | 12.7 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.8 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 12.9 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 | 13.1 |
| Sunrise (AM) | 5:53 | 5:53 | 5:52 | 5:52 | 5:51 | 5:50 | 5:50 | 5:49 | 5:49 | 5:48 | 5:48 | 5:47 | 5:47 | 5:47 | 5:46 | 5:46 | 5:45 | 5:45 | 5:45 | 5:44 | 5:44 | 5:44 | 5:43 | 5:43 | 5:43 | 5:43 | 5:42 | 5:42 | 5:42 | 5:42 | 5:42 |
| Sunset (PM) | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:48 | 6:48 | 6:49 | 6:49 | 6:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 12.7 | 5:53 | 6:37 |
| 2 | 12.7 | 5:53 | 6:38 |
| 3 | 12.8 | 5:52 | 6:38 |
| 4 | 12.8 | 5:52 | 6:38 |
| 5 | 12.8 | 5:51 | 6:39 |
| 6 | 12.8 | 5:50 | 6:39 |
| 7 | 12.8 | 5:50 | 6:40 |
| 8 | 12.8 | 5:49 | 6:40 |
| 9 | 12.9 | 5:49 | 6:40 |
| 10 | 12.9 | 5:48 | 6:41 |
| 11 | 12.9 | 5:48 | 6:41 |
| 12 | 12.9 | 5:47 | 6:42 |
| 13 | 12.9 | 5:47 | 6:42 |
| 14 | 12.9 | 5:47 | 6:42 |
| 15 | 12.9 | 5:46 | 6:43 |
| 16 | 13.0 | 5:46 | 6:43 |
| 17 | 13.0 | 5:45 | 6:44 |
| 18 | 13.0 | 5:45 | 6:44 |
| 19 | 13.0 | 5:45 | 6:44 |
| 20 | 13.0 | 5:44 | 6:45 |
| 21 | 13.0 | 5:44 | 6:45 |
| 22 | 13.0 | 5:44 | 6:46 |
| 23 | 13.0 | 5:43 | 6:46 |
| 24 | 13.1 | 5:43 | 6:46 |
| 25 | 13.1 | 5:43 | 6:47 |
| 26 | 13.1 | 5:43 | 6:47 |
| 27 | 13.1 | 5:42 | 6:48 |
| 28 | 13.1 | 5:42 | 6:48 |
| 29 | 13.1 | 5:42 | 6:49 |
| 30 | 13.1 | 5:42 | 6:49 |
| 31 | 13.1 | 5:42 | 6:49 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 5.33 kWh/m².
For context, solar energy here swings from a low near 3.94 kWh/m² to a high of 6.22 kWh/m² in April across the year — May's 5.33 kWh/m² sits near the top of that range.
| 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) | 5.9 | 5.9 | 5.8 | 5.8 | 5.8 | 5.7 | 5.7 | 5.7 | 5.6 | 5.6 | 5.5 | 5.5 | 5.4 | 5.4 | 5.3 | 5.3 | 5.3 | 5.2 | 5.2 | 5.2 | 5.1 | 5.1 | 5.1 | 5.0 | 5.0 | 5.0 | 5.0 | 4.9 | 4.9 | 4.8 | 4.8 |
| 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 | 5.9 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.8 | Bright |
| 4 | 5.8 | Bright |
| 5 | 5.8 | Bright |
| 6 | 5.7 | Bright |
| 7 | 5.7 | Bright |
| 8 | 5.7 | Bright |
| 9 | 5.6 | Bright |
| 10 | 5.6 | Bright |
| 11 | 5.5 | Bright |
| 12 | 5.5 | Bright |
| 13 | 5.4 | Bright |
| 14 | 5.4 | Bright |
| 15 | 5.3 | Bright |
| 16 | 5.3 | Bright |
| 17 | 5.3 | Bright |
| 18 | 5.2 | Bright |
| 19 | 5.2 | Bright |
| 20 | 5.2 | Bright |
| 21 | 5.1 | Bright |
| 22 | 5.1 | Bright |
| 23 | 5.1 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 4.9 | Bright |
| 29 | 4.9 | Bright |
| 30 | 4.8 | Bright |
| 31 | 4.8 | Bright |
Hazard calendar for Ban Houakhoua
In May, Ban Houakhoua sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Ban Houakhoua sits in the Pacific typhoon belt; the season peaks July–October.
Ban Houakhoua's monsoon runs May–September, when most of the year's rain falls.
Is May a good time to visit Ban Houakhoua?
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 Ban Houakhoua.
What to pack for Ban Houakhoua in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Ban Houakhoua sees daytime highs around 33°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.
UV index in Ban Houakhoua in May
Clear-sky midday UV in May peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Ban Houakhoua peaks around July 19 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 7 (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) | 7 | 9 | 9 | 10 | 11 | 13 | 13 | 13 | 11 | 10 | 8 | 7 |
| Level | Very high | Very high | Very high | Very high | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high | High |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 7 | Very high |
| Feb | 9 | Very high |
| Mar | 9 | Very high |
| Apr | 10 | Very high |
| May | 11 | Extreme |
| Jun | 13 | Extreme |
| Jul | 13 | Extreme |
| Aug | 13 | Extreme |
| Sep | 11 | Extreme |
| Oct | 10 | Very high |
| Nov | 8 | Very high |
| Dec | 7 | High |
Air quality in Ban Houakhoua 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 Ban Houakhoua is worst in April — around 385 µg/m³ PM2.5 (very unhealthy), about 41.4× the cleanest month (October, 9 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) | 15 | 28 | 191 | 385 | 37 | 13 | 11 | 11 | 10 | 9 | 10 | 12 |
| Level | Moderate | Moderate | Very unhealthy | Very unhealthy | Poor | Moderate | Good | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 15 | Moderate |
| Feb | 28 | Moderate |
| Mar | 191 | Very unhealthy |
| Apr | 385 | Very unhealthy |
| May | 37 | Poor |
| Jun | 13 | Moderate |
| Jul | 11 | Good |
| Aug | 11 | Good |
| Sep | 10 | Good |
| Oct | 9 | Good |
| Nov | 10 | Good |
| Dec | 12 | Good |
Where is Ban Houakhoua?
Ban Houakhoua sits at 20.2°N, 100.5°E, 361 m above sea level, in Laos. The nearest listed city is Ban Khoan, 40 km away.
Topography around Ban Houakhoua
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Ban Houakhoua.
Within 3 km, the terrain around Ban Houakhoua has only modest variations in elevation — a maximum elevation change of 199 m around an average of 373 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 991 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,558 m.
The land around Ban Houakhoua is covered by cropland (38%) and trees (36%) within 3 km, trees (67%) and cropland (22%) within 16 km, and trees (82%) within 80 km.
Laos travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / B / C / E / F
- 230 V · 50 Hz
- Prices
- ≈ 23% of US
- price level, 2025
- GDP per capita
- $2,325
- 2025
- Happiness
- 5.5 / 10
- World Happiness, 2025
- Safe drinking water
- 35%
- of population, 2024
- Road deaths
- 17.9
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Low
- EF EPI 461
- 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 Ban Houakhoua (20.2467°, 100.454°, elevation 361 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).