Simunjan weather in January
In January, Simunjan sees average daytime highs of 30°C and overnight lows near 24°C, with 385 mm of rain across 28.7 wet days and about 11.9 hours of daylight. It is the 12th-warmest and 1st-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 1% of the time in January, and the air most often feels miserable.
Daylight stretches from about 11 h 54 min at the start of January to 11 h 54 min by month's end. Set against the rest of the year, January is Simunjan's 11th-clearest and 2nd-windiest month. For the whole year in context, see Simunjan's year-round climate.
- Daytime high
- 30°
- 12th warmest
- Overnight low
- 24°
- 2nd coldest
- Rainfall
- 385 mm
- 28.7 wet days
- Daylight
- 11 h 54 min
- 6:48 AM – 6:44 PM
- Cloud cover
- 93%
- 11th clearest
- Wind
- 6 km/h
- 2nd windiest
- Solar energy
- 4.5 kWh/m²
- Travel score
- 2.7
- out of 10
Temperature in January
Day-to-day highs hold fairly steady near 30°C through the month.
A typical January day in Simunjan reaches about 30°C in the afternoon and slips back to 24°C overnight — a 6°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 32°C. Set against its neighbours, January runs on par with December and on par with 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) | 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) | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 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 | 30 | 24 |
| 2 | 30 | 24 |
| 3 | 30 | 24 |
| 4 | 30 | 24 |
| 5 | 30 | 24 |
| 6 | 30 | 24 |
| 7 | 30 | 24 |
| 8 | 30 | 24 |
| 9 | 30 | 24 |
| 10 | 30 | 24 |
| 11 | 30 | 24 |
| 12 | 30 | 24 |
| 13 | 30 | 24 |
| 14 | 30 | 24 |
| 15 | 30 | 24 |
| 16 | 30 | 24 |
| 17 | 30 | 24 |
| 18 | 30 | 24 |
| 19 | 30 | 24 |
| 20 | 30 | 24 |
| 21 | 30 | 24 |
| 22 | 30 | 24 |
| 23 | 30 | 24 |
| 24 | 30 | 24 |
| 25 | 30 | 24 |
| 26 | 30 | 24 |
| 27 | 30 | 24 |
| 28 | 30 | 24 |
| 29 | 30 | 24 |
| 30 | 30 | 24 |
| 31 | 30 | 24 |
How January really feels in Simunjan
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.
Simunjan weather by month
How January compares with the rest of the year at a glance. January is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 24° | 385 | 28.7 | 11.9 | 2.7 |
| Feb | 30° / 24° | 292 | 24.4 | 12 | 2.8 |
| Mar | 31° / 24° | 266 | 27.9 | 12 | 2.5 |
| Apr | 32° / 24° | 261 | 27.5 | 12 | 2.3 |
| May | 32° / 25° | 237 | 26.2 | 12.1 | 2.4 |
| Jun | 32° / 24° | 195 | 21.9 | 12.1 | 2.8 |
| Jul | 32° / 24° | 179 | 19.9 | 12.1 | 3.0 |
| Aug | 32° / 24° | 207 | 21.8 | 12 | 2.8 |
| Sep | 32° / 24° | 255 | 24.7 | 12 | 2.6 |
| Oct | 31° / 24° | 308 | 28.7 | 12 | 2.4 |
| Nov | 31° / 24° | 329 | 29.1 | 11.9 | 2.3 |
| Dec | 31° / 24° | 376 | 29.3 | 11.9 | 2.5 |
Cloud cover in January
The sky is clear or mostly clear about 1% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 2% of January, with mostly cloudy or overcast conditions the remaining 97%.
| 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 (%) | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 2 | 2 | 2 | 3 | 3 | 3 | 3 | 3 | 3 | 4 | 4 | 4 | 4 |
| Cloudier (%) | 99 | 99 | 99 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 97 | 98 | 98 | 98 | 98 | 97 | 97 | 97 | 97 | 97 | 97 | 96 | 96 | 96 | 96 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 1 | 99 |
| 2 | 1 | 99 |
| 3 | 1 | 99 |
| 4 | 2 | 98 |
| 5 | 3 | 97 |
| 6 | 3 | 97 |
| 7 | 3 | 97 |
| 8 | 3 | 97 |
| 9 | 3 | 97 |
| 10 | 3 | 97 |
| 11 | 3 | 97 |
| 12 | 3 | 97 |
| 13 | 3 | 97 |
| 14 | 3 | 97 |
| 15 | 3 | 97 |
| 16 | 3 | 97 |
| 17 | 3 | 97 |
| 18 | 2 | 98 |
| 19 | 2 | 98 |
| 20 | 2 | 98 |
| 21 | 2 | 98 |
| 22 | 3 | 97 |
| 23 | 3 | 97 |
| 24 | 3 | 97 |
| 25 | 3 | 97 |
| 26 | 3 | 97 |
| 27 | 3 | 97 |
| 28 | 4 | 96 |
| 29 | 4 | 96 |
| 30 | 4 | 96 |
| 31 | 4 | 96 |
Chance of precipitation in January
Simunjan gets around 385 mm of rain over 28.7 wet days in January, the wettest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 92% and peaks near 96% 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 (%) | 96 | 96 | 96 | 96 | 95 | 95 | 95 | 95 | 95 | 94 | 94 | 94 | 93 | 93 | 93 | 93 | 92 | 92 | 92 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 89 | 89 | 89 | 88 | 88 |
| Rain chance (%) | |
|---|---|
| 1 | 96 |
| 2 | 96 |
| 3 | 96 |
| 4 | 96 |
| 5 | 95 |
| 6 | 95 |
| 7 | 95 |
| 8 | 95 |
| 9 | 95 |
| 10 | 94 |
| 11 | 94 |
| 12 | 94 |
| 13 | 93 |
| 14 | 93 |
| 15 | 93 |
| 16 | 93 |
| 17 | 92 |
| 18 | 92 |
| 19 | 92 |
| 20 | 91 |
| 21 | 91 |
| 22 | 91 |
| 23 | 90 |
| 24 | 90 |
| 25 | 90 |
| 26 | 90 |
| 27 | 89 |
| 28 | 89 |
| 29 | 89 |
| 30 | 88 |
| 31 | 88 |
Humidity in January
Most of January feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the miserable band about 52% 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 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Muggy (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 |
| Oppressive (%) | 40 | 41 | 41 | 42 | 43 | 43 | 44 | 45 | 46 | 47 | 48 | 48 | 49 | 50 | 50 | 50 | 51 | 51 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 51 | 51 | 52 | 52 | 52 | 53 |
| Miserable (%) | 60 | 59 | 59 | 58 | 57 | 57 | 56 | 55 | 54 | 53 | 52 | 52 | 51 | 50 | 50 | 50 | 49 | 49 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 49 | 49 | 48 | 47 | 47 | 46 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 40 | 60 |
| 2 | 0 | 41 | 59 |
| 3 | 0 | 41 | 59 |
| 4 | 0 | 42 | 58 |
| 5 | 0 | 43 | 57 |
| 6 | 0 | 43 | 57 |
| 7 | 0 | 44 | 56 |
| 8 | 0 | 45 | 55 |
| 9 | 0 | 46 | 54 |
| 10 | 0 | 47 | 53 |
| 11 | 0 | 48 | 52 |
| 12 | 0 | 48 | 52 |
| 13 | 0 | 49 | 51 |
| 14 | 0 | 50 | 50 |
| 15 | 0 | 50 | 50 |
| 16 | 0 | 50 | 50 |
| 17 | 0 | 51 | 49 |
| 18 | 0 | 51 | 49 |
| 19 | 0 | 50 | 50 |
| 20 | 0 | 50 | 50 |
| 21 | 0 | 50 | 50 |
| 22 | 0 | 50 | 50 |
| 23 | 0 | 50 | 50 |
| 24 | 0 | 50 | 50 |
| 25 | 0 | 50 | 50 |
| 26 | 0 | 51 | 49 |
| 27 | 0 | 51 | 49 |
| 28 | 0 | 52 | 48 |
| 29 | 1 | 52 | 47 |
| 30 | 1 | 52 | 47 |
| 31 | 1 | 53 | 46 |
Wind in January
Winds average 6 km/h in January.
Across January, daily wind ranges from about 6 km/h on the calmest days to 7 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 | 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 | 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 | 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 54 min at the start of January to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 0 minutes over January. Sunrise moves from 6:43 AM to 6:52 AM, and sunset from 6:38 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) | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 | 11.9 |
| Sunrise (AM) | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:45 | 6:45 | 6:45 | 6:46 | 6:46 | 6:47 | 6:47 | 6:47 | 6:48 | 6:48 | 6:48 | 6:49 | 6:49 | 6:49 | 6:50 | 6:50 | 6:50 | 6:51 | 6:51 | 6:51 | 6:51 | 6:51 | 6:52 | 6:52 | 6:52 | 6:52 |
| Sunset (PM) | 6:38 | 6:38 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:42 | 6:42 | 6:43 | 6:43 | 6:43 | 6:44 | 6:44 | 6:44 | 6:45 | 6:45 | 6:46 | 6:46 | 6:46 | 6:46 | 6:47 | 6:47 | 6:47 | 6:48 | 6:48 | 6:48 | 6:48 | 6:49 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.9 | 6:43 | 6:38 |
| 2 | 11.9 | 6:43 | 6:38 |
| 3 | 11.9 | 6:43 | 6:39 |
| 4 | 11.9 | 6:44 | 6:39 |
| 5 | 11.9 | 6:44 | 6:40 |
| 6 | 11.9 | 6:45 | 6:40 |
| 7 | 11.9 | 6:45 | 6:40 |
| 8 | 11.9 | 6:45 | 6:41 |
| 9 | 11.9 | 6:46 | 6:41 |
| 10 | 11.9 | 6:46 | 6:42 |
| 11 | 11.9 | 6:47 | 6:42 |
| 12 | 11.9 | 6:47 | 6:43 |
| 13 | 11.9 | 6:47 | 6:43 |
| 14 | 11.9 | 6:48 | 6:43 |
| 15 | 11.9 | 6:48 | 6:44 |
| 16 | 11.9 | 6:48 | 6:44 |
| 17 | 11.9 | 6:49 | 6:44 |
| 18 | 11.9 | 6:49 | 6:45 |
| 19 | 11.9 | 6:49 | 6:45 |
| 20 | 11.9 | 6:50 | 6:46 |
| 21 | 11.9 | 6:50 | 6:46 |
| 22 | 11.9 | 6:50 | 6:46 |
| 23 | 11.9 | 6:51 | 6:46 |
| 24 | 11.9 | 6:51 | 6:47 |
| 25 | 11.9 | 6:51 | 6:47 |
| 26 | 11.9 | 6:51 | 6:47 |
| 27 | 11.9 | 6:51 | 6:48 |
| 28 | 11.9 | 6:52 | 6:48 |
| 29 | 11.9 | 6:52 | 6:48 |
| 30 | 11.9 | 6:52 | 6:48 |
| 31 | 11.9 | 6:52 | 6:49 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.5 kWh/m².
For context, solar energy here swings from a low near 4.38 kWh/m² to a high of 5.37 kWh/m² in August across the year — January's 4.5 kWh/m² sits near the bottom.
| 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) | 4.3 | 4.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 | 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 |
| 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 | 4.3 | Bright |
| 2 | 4.3 | Bright |
| 3 | 4.4 | Bright |
| 4 | 4.4 | Bright |
| 5 | 4.4 | Bright |
| 6 | 4.4 | Bright |
| 7 | 4.4 | Bright |
| 8 | 4.4 | Bright |
| 9 | 4.4 | Bright |
| 10 | 4.4 | Bright |
| 11 | 4.4 | Bright |
| 12 | 4.4 | Bright |
| 13 | 4.4 | Bright |
| 14 | 4.5 | Bright |
| 15 | 4.5 | Bright |
| 16 | 4.5 | Bright |
| 17 | 4.5 | Bright |
| 18 | 4.5 | Bright |
| 19 | 4.5 | Bright |
| 20 | 4.5 | Bright |
| 21 | 4.5 | Bright |
| 22 | 4.5 | Bright |
| 23 | 4.5 | 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 |
Is January a good time to visit Simunjan?
Our two travel scores rate January for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
January is a weaker month for outdoor sightseeing in Simunjan.
What to pack for Simunjan in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Simunjan sees daytime highs around 30°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.
Sea temperature near Simunjan in January
The nearest coast averages about 28°C in January — the other half of the beach question. The full-year curve and swim-comfort zones are below.
The sea at the nearest coast (about 30 km away) is warmest in June at about 30°C and coldest in February 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 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 29 |
| Comfort | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Tropical |
| Feb | 28 | Tropical |
| Mar | 29 | Tropical |
| Apr | 30 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 30 | Tropical |
| Nov | 30 | Tropical |
| Dec | 29 | Tropical |
UV index in Simunjan in January
Clear-sky midday UV in January peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Simunjan peaks around February 19 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 13 at about 11 (extreme).
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) | 14 | 16 | 15 | 15 | 13 | 11 | 11 | 12 | 12 | 14 | 12 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 14 | Extreme |
| Feb | 16 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 13 | Extreme |
| Jun | 11 | Extreme |
| Jul | 11 | Extreme |
| Aug | 12 | Extreme |
| Sep | 12 | Extreme |
| Oct | 14 | Extreme |
| Nov | 12 | Extreme |
| Dec | 11 | Extreme |
Air quality in Simunjan 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 Simunjan is worst in September — around 32 µg/m³ PM2.5 (moderate), about 3.1× the cleanest month (January, 10 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) | 10 | 11 | 13 | 13 | 12 | 13 | 21 | 29 | 32 | 18 | 12 | 11 |
| Level | Good | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 10 | Good |
| Feb | 11 | Good |
| Mar | 13 | Moderate |
| Apr | 13 | Moderate |
| May | 12 | Moderate |
| Jun | 13 | Moderate |
| Jul | 21 | Moderate |
| Aug | 29 | Moderate |
| Sep | 32 | Moderate |
| Oct | 18 | Moderate |
| Nov | 12 | Good |
| Dec | 11 | Good |
Where is Simunjan?
Simunjan sits at 1.4°N, 110.8°E, 7 m above sea level, in Malaysia. The nearest listed city is Serian, 32 km away.
Topography around Simunjan
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Simunjan.
Within 3 km, the terrain around Simunjan has only modest variations in elevation — a maximum elevation change of 23 m around an average of 7 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 391 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,408 m.
The land around Simunjan is covered by trees (66%) within 3 km, trees (85%) within 16 km, and trees (71%) and water (25%) within 80 km.
Malaysia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / G / M
- 230 V · 50 Hz
- Prices
- ≈ 32% of US
- price level, 2025
- GDP per capita
- $13,125
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 22.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 581
- 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 Simunjan (1.3833°, 110.75°, elevation 7 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. 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).