Seria weather in January
In January, Seria sees average daytime highs of 29°C and overnight lows near 25°C, with 227 mm of rain across 24.5 wet days and about 11.8 hours of daylight. It is the 11th-warmest and 4th-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 3% of the time in January, and the air most often feels oppressive.
Daylight stretches from about 11 h 42 min at the start of January to 11 h 48 min by month's end. Set against the rest of the year, January is Seria's 9th-clearest and 2nd-windiest month. For the whole year in context, see Seria's year-round climate.
- Daytime high
- 29°
- 11th warmest
- Overnight low
- 25°
- 2nd coldest
- Rainfall
- 227 mm
- 24.5 wet days
- Daylight
- 11 h 48 min
- 6:39 AM – 6:25 PM
- Cloud cover
- 86%
- 9th clearest
- Wind
- 10 km/h
- 2nd windiest
- Solar energy
- 4.91 kWh/m²
- Travel score
- 3.5
- out of 10
Seria is town in Belait District, Brunei.
- Founded
- 1936
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in January
Day-to-day highs hold fairly steady near 29°C through the month.
A typical January day in Seria 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, 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) | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 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 | 29 | 25 |
| 2 | 29 | 25 |
| 3 | 29 | 25 |
| 4 | 29 | 25 |
| 5 | 29 | 25 |
| 6 | 29 | 25 |
| 7 | 29 | 25 |
| 8 | 29 | 25 |
| 9 | 29 | 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 January really feels in Seria
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.
Seria weather by month
How January compares with the rest of the year at a glance. January is the 11th-warmest and 4th-wettest month here — the current month is highlighted below.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 29° / 25° | 227 | 24.5 | 11.8 | 3.5 |
| Feb | 29° / 25° | 151 | 20.1 | 11.8 | 3.8 |
| Mar | 29° / 25° | 134 | 23 | 12 | 3.6 |
| Apr | 30° / 25° | 176 | 25 | 12.1 | 3.1 |
| May | 30° / 25° | 189 | 23.4 | 12.2 | 3.2 |
| Jun | 30° / 25° | 206 | 21.1 | 12.3 | 3.5 |
| Jul | 30° / 25° | 187 | 20.8 | 12.2 | 3.6 |
| Aug | 30° / 25° | 192 | 21.7 | 12.2 | 3.5 |
| Sep | 30° / 25° | 199 | 23.6 | 12 | 3.2 |
| Oct | 29° / 25° | 269 | 27.8 | 11.9 | 3.0 |
| Nov | 29° / 25° | 284 | 28.5 | 11.8 | 2.8 |
| Dec | 29° / 25° | 287 | 28.1 | 11.7 | 3.0 |
Cloud cover in January
The sky is clear or mostly clear about 3% of the time in January.
Beyond those clear spells, partly cloudy skies cover about 6% of January, with mostly cloudy or overcast conditions the remaining 90%.
| 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 (%) | 8 | 8 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 11 | 11 | 12 | 12 |
| Cloudier (%) | 92 | 92 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 90 | 91 | 91 | 91 | 91 | 91 | 91 | 91 | 90 | 90 | 90 | 90 | 90 | 90 | 89 | 89 | 88 | 88 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 8 | 92 |
| 2 | 8 | 92 |
| 3 | 9 | 91 |
| 4 | 9 | 91 |
| 5 | 9 | 91 |
| 6 | 9 | 91 |
| 7 | 9 | 91 |
| 8 | 10 | 90 |
| 9 | 10 | 90 |
| 10 | 10 | 90 |
| 11 | 10 | 90 |
| 12 | 10 | 90 |
| 13 | 10 | 90 |
| 14 | 10 | 90 |
| 15 | 9 | 91 |
| 16 | 9 | 91 |
| 17 | 9 | 91 |
| 18 | 9 | 91 |
| 19 | 9 | 91 |
| 20 | 9 | 91 |
| 21 | 9 | 91 |
| 22 | 10 | 90 |
| 23 | 10 | 90 |
| 24 | 10 | 90 |
| 25 | 10 | 90 |
| 26 | 10 | 90 |
| 27 | 10 | 90 |
| 28 | 11 | 89 |
| 29 | 11 | 89 |
| 30 | 12 | 88 |
| 31 | 12 | 88 |
Chance of precipitation in January
Seria gets around 227 mm of rain over 24.5 wet days in January. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 80% and peaks near 86% 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 (%) | 86 | 86 | 85 | 84 | 84 | 83 | 83 | 83 | 83 | 83 | 83 | 83 | 82 | 82 | 82 | 81 | 81 | 80 | 79 | 79 | 78 | 77 | 77 | 76 | 75 | 75 | 74 | 73 | 73 | 73 | 72 |
| Rain chance (%) | |
|---|---|
| 1 | 86 |
| 2 | 86 |
| 3 | 85 |
| 4 | 84 |
| 5 | 84 |
| 6 | 83 |
| 7 | 83 |
| 8 | 83 |
| 9 | 83 |
| 10 | 83 |
| 11 | 83 |
| 12 | 83 |
| 13 | 82 |
| 14 | 82 |
| 15 | 82 |
| 16 | 81 |
| 17 | 81 |
| 18 | 80 |
| 19 | 79 |
| 20 | 79 |
| 21 | 78 |
| 22 | 77 |
| 23 | 77 |
| 24 | 76 |
| 25 | 75 |
| 26 | 75 |
| 27 | 74 |
| 28 | 73 |
| 29 | 73 |
| 30 | 73 |
| 31 | 72 |
Humidity in January
Most of January feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, January lands in the oppressive band about 60% 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 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Oppressive (%) | 53 | 54 | 54 | 55 | 56 | 57 | 58 | 58 | 58 | 59 | 60 | 61 | 61 | 62 | 62 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 63 | 62 | 62 | 63 | 63 | 63 | 63 | 64 | 64 |
| Miserable (%) | 47 | 46 | 46 | 45 | 44 | 43 | 42 | 41 | 41 | 40 | 39 | 38 | 38 | 37 | 37 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 36 | 37 | 37 | 36 | 36 | 36 | 36 | 35 | 35 |
| Muggy (%) | Oppressive (%) | Miserable (%) | |
|---|---|---|---|
| 1 | 0 | 53 | 47 |
| 2 | 0 | 54 | 46 |
| 3 | 0 | 54 | 46 |
| 4 | 0 | 55 | 45 |
| 5 | 0 | 56 | 44 |
| 6 | 0 | 57 | 43 |
| 7 | 0 | 58 | 42 |
| 8 | 1 | 58 | 41 |
| 9 | 1 | 58 | 41 |
| 10 | 1 | 59 | 40 |
| 11 | 1 | 60 | 39 |
| 12 | 1 | 61 | 38 |
| 13 | 1 | 61 | 38 |
| 14 | 1 | 62 | 37 |
| 15 | 1 | 62 | 37 |
| 16 | 1 | 63 | 36 |
| 17 | 1 | 63 | 36 |
| 18 | 1 | 63 | 36 |
| 19 | 1 | 63 | 36 |
| 20 | 1 | 63 | 36 |
| 21 | 1 | 63 | 36 |
| 22 | 1 | 63 | 36 |
| 23 | 1 | 63 | 36 |
| 24 | 1 | 62 | 37 |
| 25 | 1 | 62 | 37 |
| 26 | 1 | 63 | 36 |
| 27 | 1 | 63 | 36 |
| 28 | 1 | 63 | 36 |
| 29 | 1 | 63 | 36 |
| 30 | 1 | 64 | 35 |
| 31 | 1 | 64 | 35 |
Wind in January
Winds average 10 km/h in January.
Across January, daily wind ranges from about 9 km/h on the calmest days to 10 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) | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 | 10 |
| 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 | 9 | calm |
| 2 | 9 | calm |
| 3 | 9 | calm |
| 4 | 9 | calm |
| 5 | 9 | calm |
| 6 | 9 | calm |
| 7 | 9 | calm |
| 8 | 9 | calm |
| 9 | 9 | calm |
| 10 | 9 | calm |
| 11 | 9 | calm |
| 12 | 9 | calm |
| 13 | 9 | calm |
| 14 | 9 | calm |
| 15 | 9 | calm |
| 16 | 10 | calm |
| 17 | 10 | calm |
| 18 | 10 | calm |
| 19 | 10 | calm |
| 20 | 10 | calm |
| 21 | 10 | calm |
| 22 | 10 | calm |
| 23 | 10 | calm |
| 24 | 10 | calm |
| 25 | 10 | calm |
| 26 | 10 | calm |
| 27 | 10 | calm |
| 28 | 10 | calm |
| 29 | 10 | calm |
| 30 | 10 | calm |
| 31 | 10 | calm |
Sunrise & sunset in January
Daylight runs from about 11 h 42 min at the start of January to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 6 minutes over January. Sunrise moves from 6:34 AM to 6:42 AM, and sunset from 6:18 PM to 6:30 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) | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.7 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 | 11.8 |
| Sunrise (AM) | 6:34 | 6:34 | 6:35 | 6:35 | 6:35 | 6:36 | 6:36 | 6:37 | 6:37 | 6:37 | 6:38 | 6:38 | 6:38 | 6:39 | 6:39 | 6:39 | 6:39 | 6:40 | 6:40 | 6:40 | 6:40 | 6:41 | 6:41 | 6:41 | 6:41 | 6:41 | 6:42 | 6:42 | 6:42 | 6:42 | 6:42 |
| Sunset (PM) | 6:18 | 6:18 | 6:19 | 6:19 | 6:20 | 6:20 | 6:21 | 6:21 | 6:22 | 6:22 | 6:23 | 6:23 | 6:24 | 6:24 | 6:24 | 6:25 | 6:25 | 6:26 | 6:26 | 6:26 | 6:27 | 6:27 | 6:27 | 6:28 | 6:28 | 6:29 | 6:29 | 6:29 | 6:29 | 6:30 | 6:30 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 11.7 | 6:34 | 6:18 |
| 2 | 11.7 | 6:34 | 6:18 |
| 3 | 11.7 | 6:35 | 6:19 |
| 4 | 11.7 | 6:35 | 6:19 |
| 5 | 11.7 | 6:35 | 6:20 |
| 6 | 11.7 | 6:36 | 6:20 |
| 7 | 11.7 | 6:36 | 6:21 |
| 8 | 11.7 | 6:37 | 6:21 |
| 9 | 11.7 | 6:37 | 6:22 |
| 10 | 11.7 | 6:37 | 6:22 |
| 11 | 11.8 | 6:38 | 6:23 |
| 12 | 11.8 | 6:38 | 6:23 |
| 13 | 11.8 | 6:38 | 6:24 |
| 14 | 11.8 | 6:39 | 6:24 |
| 15 | 11.8 | 6:39 | 6:24 |
| 16 | 11.8 | 6:39 | 6:25 |
| 17 | 11.8 | 6:39 | 6:25 |
| 18 | 11.8 | 6:40 | 6:26 |
| 19 | 11.8 | 6:40 | 6:26 |
| 20 | 11.8 | 6:40 | 6:26 |
| 21 | 11.8 | 6:40 | 6:27 |
| 22 | 11.8 | 6:41 | 6:27 |
| 23 | 11.8 | 6:41 | 6:27 |
| 24 | 11.8 | 6:41 | 6:28 |
| 25 | 11.8 | 6:41 | 6:28 |
| 26 | 11.8 | 6:41 | 6:29 |
| 27 | 11.8 | 6:42 | 6:29 |
| 28 | 11.8 | 6:42 | 6:29 |
| 29 | 11.8 | 6:42 | 6:29 |
| 30 | 11.8 | 6:42 | 6:30 |
| 31 | 11.8 | 6:42 | 6:30 |
Solar energy in January
Average shortwave solar energy reaching the ground each day in January, about 4.91 kWh/m².
For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 5.83 kWh/m² in April across the year — January's 4.91 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) | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.8 | 4.9 | 4.9 | 4.9 | 4.9 | 4.9 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 | 5.0 |
| 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 | 4.8 | Bright |
| 2 | 4.8 | Bright |
| 3 | 4.8 | Bright |
| 4 | 4.8 | Bright |
| 5 | 4.8 | Bright |
| 6 | 4.8 | Bright |
| 7 | 4.8 | Bright |
| 8 | 4.8 | Bright |
| 9 | 4.8 | Bright |
| 10 | 4.8 | Bright |
| 11 | 4.8 | Bright |
| 12 | 4.8 | Bright |
| 13 | 4.8 | Bright |
| 14 | 4.8 | Bright |
| 15 | 4.8 | Bright |
| 16 | 4.8 | Bright |
| 17 | 4.8 | Bright |
| 18 | 4.8 | Bright |
| 19 | 4.9 | Bright |
| 20 | 4.9 | Bright |
| 21 | 4.9 | Bright |
| 22 | 4.9 | Bright |
| 23 | 4.9 | Bright |
| 24 | 5.0 | Bright |
| 25 | 5.0 | Bright |
| 26 | 5.0 | Bright |
| 27 | 5.0 | Bright |
| 28 | 5.0 | Bright |
| 29 | 5.0 | Bright |
| 30 | 5.0 | Bright |
| 31 | 5.0 | Bright |
Hazard calendar for Seria
In January, Seria sits inside its pacific typhoon season. The full year is below, with each hazard's peak months called out.
Seria sits in the Pacific typhoon belt; the season peaks July–October.
Is January a good time to visit Seria?
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 Seria.
What to pack for Seria in January
From January's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In January, Seria sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 25 days see rain.
Sea temperature near Seria 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 offshore is warmest in May at about 30°C and coldest in February 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) | 28 | 27 | 28 | 29 | 30 | 30 | 30 | 30 | 30 | 29 | 29 | 29 |
| Comfort | Warm | Warm | Warm | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical | Tropical |
| Sea temperature (°C) | Comfort | |
|---|---|---|
| Jan | 28 | Warm |
| Feb | 27 | Warm |
| Mar | 28 | Warm |
| Apr | 29 | Tropical |
| May | 30 | Tropical |
| Jun | 30 | Tropical |
| Jul | 30 | Tropical |
| Aug | 30 | Tropical |
| Sep | 30 | Tropical |
| Oct | 29 | Tropical |
| Nov | 29 | Tropical |
| Dec | 29 | Tropical |
UV index in Seria in January
Clear-sky midday UV in January peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Seria peaks around February 18 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (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) | 13 | 14 | 14 | 14 | 13 | 12 | 11 | 13 | 12 | 13 | 11 | 10 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 14 | Extreme |
| Mar | 14 | Extreme |
| Apr | 14 | Extreme |
| May | 13 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 12 | Extreme |
| Oct | 13 | Extreme |
| Nov | 11 | Extreme |
| Dec | 10 | Extreme |
Air quality in Seria 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 Seria is worst in May — around 68 µg/m³ PM2.5 (unhealthy), about 5.1× the cleanest month (October, 13 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) | 17 | 48 | 47 | 34 | 68 | 35 | 23 | 23 | 28 | 13 | 24 | 24 |
| Level | Moderate | Poor | Poor | Moderate | Unhealthy | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 17 | Moderate |
| Feb | 48 | Poor |
| Mar | 47 | Poor |
| Apr | 34 | Moderate |
| May | 68 | Unhealthy |
| Jun | 35 | Moderate |
| Jul | 23 | Moderate |
| Aug | 23 | Moderate |
| Sep | 28 | Moderate |
| Oct | 13 | Moderate |
| Nov | 24 | Moderate |
| Dec | 24 | Moderate |
Where is Seria?
Seria sits at 4.6°N, 114.3°E, 6 m above sea level, in Brunei. The nearest listed city is Kuala Belait, 11 km away.
Topography around Seria
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Seria.
Within 3 km, the terrain around Seria has only modest variations in elevation — a maximum elevation change of 45 m around an average of 6 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 78 m; within 80 km, large variations in elevation — a maximum elevation change of 630 m.
The land around Seria is covered by trees (37%), water (25%) and grassland (24%) within 3 km, trees (49%) and water (44%) within 16 km, and trees (59%) and water (38%) within 80 km.
Brunei travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type G
- 240 V · 50 Hz
- Prices
- ≈ 35% of US
- price level, 2025
- GDP per capita
- $32,235
- 2025
- Homicide rate
- 0.5
- per 100k, 2013
- Road deaths
- 7.5
- per 100k/yr, 2019
- Income group
- High
- World Bank
- 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 Seria (4.6064°, 114.3248°, elevation 6 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).