Smach Mean Chey weather in October
In October, Smach Mean Chey sees average daytime highs of 29°C and overnight lows near 25°C, with 310 mm of rain across 26.7 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.
Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 7% of the time in October, and the air most often feels oppressive.
Daylight stretches from about 11 h 54 min at the start of October to 11 h 36 min by month's end. Set against the rest of the year, October is Smach Mean Chey's 7th-clearest and 11th-windiest month. For the whole year in context, see Smach Mean Chey's year-round climate.
- Daytime high
- 29°
- 8th warmest
- Overnight low
- 25°
- 5th coldest
- Rainfall
- 310 mm
- 26.7 wet days
- Daylight
- 11 h 42 min
- 6:01 AM – 5:45 PM
- Cloud cover
- 82%
- 7th clearest
- Wind
- 7 km/h
- 11th windiest
- Solar energy
- 4.53 kWh/m²
- Travel score
- 3.4
- out of 10
Temperature in October
Day-to-day highs hold fairly steady near 29°C through the month.
A typical October day in Smach Mean Chey reaches about 29°C in the afternoon and slips back to 25°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, October runs about 1°C warmer than September and about 1°C cooler than November.
| 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) | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 |
| Avg low (°C) | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
| Avg high (°C) | Avg low (°C) | |
|---|---|---|
| 1 | 28 | 25 |
| 2 | 28 | 25 |
| 3 | 28 | 25 |
| 4 | 28 | 25 |
| 5 | 28 | 25 |
| 6 | 28 | 25 |
| 7 | 28 | 25 |
| 8 | 28 | 25 |
| 9 | 28 | 25 |
| 10 | 29 | 25 |
| 11 | 29 | 25 |
| 12 | 29 | 25 |
| 13 | 29 | 25 |
| 14 | 29 | 25 |
| 15 | 29 | 25 |
| 16 | 29 | 25 |
| 17 | 29 | 25 |
| 18 | 29 | 25 |
| 19 | 29 | 25 |
| 20 | 29 | 25 |
| 21 | 29 | 25 |
| 22 | 29 | 25 |
| 23 | 29 | 25 |
| 24 | 29 | 25 |
| 25 | 29 | 25 |
| 26 | 29 | 25 |
| 27 | 29 | 25 |
| 28 | 29 | 25 |
| 29 | 29 | 25 |
| 30 | 29 | 25 |
| 31 | 29 | 25 |
How October really feels in Smach Mean Chey
Once humidity and wind are folded in, October 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 October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Smach Mean Chey weather by month
How October compares with the rest of the year at a glance. October is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 23° | 40 | 8 | 11.4 | 5.6 |
| Feb | 29° / 24° | 46 | 10.1 | 11.6 | 5.4 |
| Mar | 30° / 25° | 104 | 18.4 | 11.9 | 4.3 |
| Apr | 30° / 25° | 144 | 23.1 | 12.2 | 3.4 |
| May | 29° / 26° | 363 | 29 | 12.5 | 2.9 |
| Jun | 29° / 25° | 515 | 28.9 | 12.7 | 3.0 |
| Jul | 28° / 25° | 614 | 30.1 | 12.6 | 3.2 |
| Aug | 28° / 25° | 596 | 30.3 | 12.4 | 3.2 |
| Sep | 28° / 25° | 520 | 29.3 | 12.1 | 3.2 |
| Oct | 29° / 25° | 310 | 26.7 | 11.7 | 3.4 |
| Nov | 30° / 25° | 82 | 13.9 | 11.5 | 4.5 |
| Dec | 30° / 24° | 31 | 6.7 | 11.3 | 5.4 |
Cloud cover in October
The sky is clear or mostly clear about 7% of the time in October.
Beyond those clear spells, partly cloudy skies cover about 9% of October, with mostly cloudy or overcast conditions the remaining 84%. 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 (%) | 5 | 5 | 5 | 5 | 7 | 7 | 7 | 9 | 9 | 10 | 10 | 12 | 12 | 13 | 14 | 15 | 15 | 16 | 17 | 19 | 19 | 21 | 21 | 23 | 25 | 25 | 27 | 27 | 30 | 30 | 32 |
| Cloudier (%) | 95 | 95 | 95 | 95 | 93 | 93 | 93 | 91 | 91 | 90 | 90 | 88 | 88 | 87 | 86 | 85 | 85 | 84 | 83 | 81 | 81 | 79 | 79 | 77 | 75 | 75 | 73 | 73 | 70 | 70 | 68 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 5 | 95 |
| 2 | 5 | 95 |
| 3 | 5 | 95 |
| 4 | 5 | 95 |
| 5 | 7 | 93 |
| 6 | 7 | 93 |
| 7 | 7 | 93 |
| 8 | 9 | 91 |
| 9 | 9 | 91 |
| 10 | 10 | 90 |
| 11 | 10 | 90 |
| 12 | 12 | 88 |
| 13 | 12 | 88 |
| 14 | 13 | 87 |
| 15 | 14 | 86 |
| 16 | 15 | 85 |
| 17 | 15 | 85 |
| 18 | 16 | 84 |
| 19 | 17 | 83 |
| 20 | 19 | 81 |
| 21 | 19 | 81 |
| 22 | 21 | 79 |
| 23 | 21 | 79 |
| 24 | 23 | 77 |
| 25 | 25 | 75 |
| 26 | 25 | 75 |
| 27 | 27 | 73 |
| 28 | 27 | 73 |
| 29 | 30 | 70 |
| 30 | 30 | 70 |
| 31 | 32 | 68 |
Chance of precipitation in October
Smach Mean Chey gets around 310 mm of rain over 26.7 wet days in October. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 85% and peaks near 97% 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 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 97 | 97 | 97 | 96 | 96 | 96 | 95 | 95 | 94 | 93 | 93 | 92 | 91 | 90 | 89 | 88 | 87 | 86 | 85 | 84 | 82 | 80 | 79 | 77 | 74 | 72 | 70 | 68 | 66 | 64 | 62 |
| Rain chance (%) | |
|---|---|
| 1 | 97 |
| 2 | 97 |
| 3 | 97 |
| 4 | 96 |
| 5 | 96 |
| 6 | 96 |
| 7 | 95 |
| 8 | 95 |
| 9 | 94 |
| 10 | 93 |
| 11 | 93 |
| 12 | 92 |
| 13 | 91 |
| 14 | 90 |
| 15 | 89 |
| 16 | 88 |
| 17 | 87 |
| 18 | 86 |
| 19 | 85 |
| 20 | 84 |
| 21 | 82 |
| 22 | 80 |
| 23 | 79 |
| 24 | 77 |
| 25 | 74 |
| 26 | 72 |
| 27 | 70 |
| 28 | 68 |
| 29 | 66 |
| 30 | 64 |
| 31 | 62 |
Humidity in October
Most of October feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, October lands in the oppressive band about 70% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Humid (%) | 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 | 1 | 1 | 1 | 1 | 1 | 1 |
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 5 | 6 | 6 | 7 | 8 | 9 | 9 |
| Oppressive (%) | 60 | 61 | 62 | 63 | 65 | 66 | 67 | 68 | 69 | 70 | 70 | 71 | 71 | 72 | 72 | 72 | 72 | 72 | 73 | 73 | 73 | 72 | 73 | 73 | 73 | 73 | 74 | 74 | 74 | 74 | 75 |
| Miserable (%) | 40 | 39 | 38 | 37 | 35 | 34 | 33 | 32 | 31 | 30 | 30 | 29 | 29 | 28 | 28 | 27 | 27 | 27 | 26 | 25 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 |
| Humid (%) | Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|---|
| 1 | 0 | 0 | 60 | 40 |
| 2 | 0 | 0 | 61 | 39 |
| 3 | 0 | 0 | 62 | 38 |
| 4 | 0 | 0 | 63 | 37 |
| 5 | 0 | 0 | 65 | 35 |
| 6 | 0 | 0 | 66 | 34 |
| 7 | 0 | 0 | 67 | 33 |
| 8 | 0 | 0 | 68 | 32 |
| 9 | 0 | 0 | 69 | 31 |
| 10 | 0 | 0 | 70 | 30 |
| 11 | 0 | 0 | 70 | 30 |
| 12 | 0 | 0 | 71 | 29 |
| 13 | 0 | 0 | 71 | 29 |
| 14 | 0 | 0 | 72 | 28 |
| 15 | 0 | 0 | 72 | 28 |
| 16 | 0 | 1 | 72 | 27 |
| 17 | 0 | 1 | 72 | 27 |
| 18 | 0 | 1 | 72 | 27 |
| 19 | 0 | 1 | 73 | 26 |
| 20 | 0 | 2 | 73 | 25 |
| 21 | 0 | 2 | 73 | 25 |
| 22 | 1 | 3 | 72 | 24 |
| 23 | 1 | 3 | 73 | 23 |
| 24 | 1 | 4 | 73 | 22 |
| 25 | 1 | 5 | 73 | 21 |
| 26 | 1 | 6 | 73 | 20 |
| 27 | 1 | 6 | 74 | 19 |
| 28 | 1 | 7 | 74 | 18 |
| 29 | 1 | 8 | 74 | 17 |
| 30 | 1 | 9 | 74 | 16 |
| 31 | 1 | 9 | 75 | 15 |
Wind in October
Winds average 7 km/h in October.
Across October, 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 | 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 |
| 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 | 8 | 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 October
Daylight runs from about 11 h 54 min at the start of October to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.
Days shrink by about 18 minutes over October. Sunrise moves from 6:00 AM to 6:04 AM, and sunset from 5:54 PM to 5:39 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) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 | 11.6 |
| Sunrise (AM) | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:00 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:01 | 6:02 | 6:02 | 6:02 | 6:02 | 6:02 | 6:03 | 6:03 | 6:03 | 6:03 | 6:04 |
| Sunset (PM) | 5:54 | 5:53 | 5:53 | 5:52 | 5:51 | 5:51 | 5:50 | 5:49 | 5:49 | 5:48 | 5:48 | 5:47 | 5:47 | 5:46 | 5:46 | 5:45 | 5:45 | 5:44 | 5:44 | 5:43 | 5:43 | 5:42 | 5:42 | 5:41 | 5:41 | 5:41 | 5:40 | 5:40 | 5:40 | 5:39 | 5:39 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:00 | 5:54 |
| 2 | 11.9 | 6:00 | 5:53 |
| 3 | 11.9 | 6:00 | 5:53 |
| 4 | 11.9 | 6:00 | 5:52 |
| 5 | 11.9 | 6:00 | 5:51 |
| 6 | 11.8 | 6:00 | 5:51 |
| 7 | 11.8 | 6:00 | 5:50 |
| 8 | 11.8 | 6:00 | 5:49 |
| 9 | 11.8 | 6:00 | 5:49 |
| 10 | 11.8 | 6:00 | 5:48 |
| 11 | 11.8 | 6:00 | 5:48 |
| 12 | 11.8 | 6:00 | 5:47 |
| 13 | 11.8 | 6:00 | 5:47 |
| 14 | 11.8 | 6:01 | 5:46 |
| 15 | 11.7 | 6:01 | 5:46 |
| 16 | 11.7 | 6:01 | 5:45 |
| 17 | 11.7 | 6:01 | 5:45 |
| 18 | 11.7 | 6:01 | 5:44 |
| 19 | 11.7 | 6:01 | 5:44 |
| 20 | 11.7 | 6:01 | 5:43 |
| 21 | 11.7 | 6:01 | 5:43 |
| 22 | 11.7 | 6:02 | 5:42 |
| 23 | 11.7 | 6:02 | 5:42 |
| 24 | 11.7 | 6:02 | 5:41 |
| 25 | 11.6 | 6:02 | 5:41 |
| 26 | 11.6 | 6:02 | 5:41 |
| 27 | 11.6 | 6:03 | 5:40 |
| 28 | 11.6 | 6:03 | 5:40 |
| 29 | 11.6 | 6:03 | 5:40 |
| 30 | 11.6 | 6:03 | 5:39 |
| 31 | 11.6 | 6:04 | 5:39 |
Solar energy in October
Average shortwave solar energy reaching the ground each day in October, about 4.53 kWh/m².
For context, solar energy here swings from a low near 4.01 kWh/m² to a high of 5.9 kWh/m² in April across the year — October's 4.53 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) | 4.1 | 4.1 | 4.2 | 4.2 | 4.2 | 4.2 | 4.3 | 4.3 | 4.3 | 4.3 | 4.4 | 4.4 | 4.5 | 4.5 | 4.5 | 4.5 | 4.6 | 4.6 | 4.6 | 4.7 | 4.7 | 4.7 | 4.7 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 |
| 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 | 4.1 | Bright |
| 2 | 4.1 | Bright |
| 3 | 4.2 | Bright |
| 4 | 4.2 | Bright |
| 5 | 4.2 | Bright |
| 6 | 4.2 | Bright |
| 7 | 4.3 | Bright |
| 8 | 4.3 | Bright |
| 9 | 4.3 | Bright |
| 10 | 4.3 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.5 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.6 | Bright |
| 18 | 4.6 | Bright |
| 19 | 4.6 | Bright |
| 20 | 4.7 | Bright |
| 21 | 4.7 | Bright |
| 22 | 4.7 | Bright |
| 23 | 4.7 | Bright |
| 24 | 4.8 | Bright |
| 25 | 4.8 | Bright |
| 26 | 4.8 | Bright |
| 27 | 4.8 | Bright |
| 28 | 4.8 | Bright |
| 29 | 4.8 | Bright |
| 30 | 4.9 | Bright |
| 31 | 4.9 | Bright |
Hazard calendar for Smach Mean Chey
In October, Smach Mean Chey sits inside its pacific typhoon and monsoon season. The full year is below, with each hazard's peak months called out.
Smach Mean Chey sits in the Pacific typhoon belt; the season peaks July–October.
Smach Mean Chey's monsoon runs May–October, when most of the year's rain falls.
Is October a good time to visit Smach Mean Chey?
Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
October is a weaker month for outdoor sightseeing in Smach Mean Chey.
What to pack for Smach Mean Chey in October
From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In October, Smach Mean Chey sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.
Sea temperature near Smach Mean Chey in October
The nearest coast averages about 29°C in October — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 20 km away) is warmest in May at about 31°C and coldest in January near 28°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) | 28 | 29 | 29 | 30 | 31 | 30 | 29 | 29 | 29 | 29 | 29 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 29 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 31 | Tropical |
| Jun | 30 | Tropical |
| Jul | 29 | Tropical |
| Aug | 29 | Tropical |
| Sep | 29 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Smach Mean Chey in October
Clear-sky midday UV in October 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 Smach Mean Chey peaks around August 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 11 at about 9 (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) | 10 | 11 | 12 | 12 | 11 | 12 | 12 | 14 | 13 | 11 | 9 | 9 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Very high | Very high |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 10 | Extreme |
| Feb | 11 | Extreme |
| Mar | 12 | Extreme |
| Apr | 12 | Extreme |
| May | 11 | Extreme |
| Jun | 12 | Extreme |
| Jul | 12 | Extreme |
| Aug | 14 | Extreme |
| Sep | 13 | Extreme |
| Oct | 11 | Extreme |
| Nov | 9 | Very high |
| Dec | 9 | Very high |
Air quality in Smach Mean Chey in October
Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.
Air quality in Smach Mean Chey is worst in February — around 24 µg/m³ PM2.5 (moderate), about 2.7× the cleanest month (November, 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) | 19 | 24 | 19 | 16 | 12 | 12 | 14 | 12 | 10 | 10 | 9 | 11 |
| Level | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Moderate | Good | Good | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 19 | Moderate |
| Feb | 24 | Moderate |
| Mar | 19 | Moderate |
| Apr | 16 | Moderate |
| May | 12 | Moderate |
| Jun | 12 | Good |
| Jul | 14 | Moderate |
| Aug | 12 | Good |
| Sep | 10 | Good |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 11 | Good |
Where is Smach Mean Chey?
Smach Mean Chey sits at 11.5°N, 103.0°E, 5 m above sea level, in Cambodia. The nearest listed city is Koh Kong, 10 km away.
Topography around Smach Mean Chey
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Smach Mean Chey.
Within 3 km, the terrain around Smach Mean Chey has only modest variations in elevation — a maximum elevation change of 57 m around an average of 4 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 480 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,727 m.
The land around Smach Mean Chey is covered by mangroves (43%) and water (34%) within 3 km, trees (39%) and water (35%) within 16 km, and trees (51%) and water (43%) within 80 km.
Cambodia travel facts
- Travel advisory
- Level 2
- Exercise Increased Caution
- Power plugs
- Type A / C / G
- 230 V · 50 Hz
- Prices
- ≈ 34% of US
- price level, 2025
- GDP per capita
- $2,872
- 2025
- Happiness
- 4.5 / 10
- World Happiness, 2025
- Safe drinking water
- 30%
- of population, 2024
- Homicide rate
- 1.8
- per 100k, 2011
- Road deaths
- 19.6
- per 100k/yr, 2019
- Income group
- Lower middle
- World Bank
- English
- Very low
- EF EPI 390
- 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 Smach Mean Chey (11.5466°, 103.0357°, elevation 5 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).