Bireun weather in October

In October, Bireun sees average daytime highs of 29°C and overnight lows near 25°C, with 272 mm of rain across 27.4 wet days and about 11.9 hours of daylight. It is the 8th-warmest and 3rd-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 1% of the time in October, and the air most often feels miserable.

Daylight stretches from about 12 hours at the start of October to 11 h 48 min by month's end. Set against the rest of the year, October is Bireun's 11th-clearest and 6th-windiest month. For the whole year in context, see Bireun's year-round climate.

Daytime high
29°
8th warmest
Overnight low
25°
6th coldest
Rainfall
272 mm
27.4 wet days
Daylight
11 h 54 min
6:22 AM – 6:15 PM
Cloud cover
90%
11th clearest
Wind
5 km/h
6th windiest
Solar energy
4.56 kWh/m²
Travel score
3.1
out of 10

Bireun is capital of Bireuen Regency, Indonesia.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in October

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical October day in Bireun 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 28°C and 30°C. Set against its neighbours, October runs on par with September and on par with November.

20°25°30°35°151015202531
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925
312925

How October really feels in Bireun

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.

Days feeling ≥ 32°C
31
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in October is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Bireun weather by month

How October compares with the rest of the year at a glance. October is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 25°15621.811.73.9
Feb29° / 25°11818.411.84.0
Mar30° / 25°14422.3123.6
Apr30° / 25°16825.112.13.0
May30° / 26°19323.112.23.1
Jun31° / 26°1261812.33.6
Jul30° / 26°13619.512.33.6
Aug30° / 25°15721.812.23.4
Sep30° / 25°19924.1123.2
Oct29° / 25°27227.411.93.1
Nov29° / 25°36727.911.83.0
Dec29° / 25°29225.211.73.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 3% of October, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
1397
2397
3397
4496
5496
6496
7496
8595
9595
10595
11595
12595
13595
14595
15595
16595
17595
18496
19496
20496
21496
22496
23397
24397
25397
26397
27397
28397
29397
30496
31496

Chance of precipitation in October

Any precipitation

Bireun gets around 272 mm of rain over 27.4 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 89% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202531
Rain chance (%)
185
286
386
486
587
687
787
887
987
1087
1188
1288
1388
1488
1588
1689
1789
1889
1989
2089
2190
2290
2390
2491
2591
2691
2792
2892
2992
3092
3193

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

Most of October feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, October lands in the miserable band about 76% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202531
Oppressive (%)Miserable (%)
11783
21882
31981
42080
52179
62278
72278
82377
92476
102476
112575
122575
132575
142674
152674
162674
172674
182674
192674
202674
212674
222674
232674
242674
252575
262575
272575
282476
292476
302476
312476

Wind in October

Winds average 5 km/h in October.

Across October, 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.

0246810151015202531
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm
315calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over October. Sunrise moves from 6:24 AM to 6:22 AM, and sunset from 6:21 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:246:21
211.96:236:20
311.96:236:20
411.96:236:19
511.96:236:19
611.96:236:19
711.96:236:18
811.96:226:18
911.96:226:17
1011.96:226:17
1111.96:226:17
1211.96:226:16
1311.96:226:16
1411.96:226:15
1511.96:226:15
1611.96:226:15
1711.96:226:14
1811.96:226:14
1911.96:226:14
2011.96:226:14
2111.96:226:13
2211.96:226:13
2311.96:226:13
2411.86:226:13
2511.86:226:12
2611.86:226:12
2711.86:226:12
2811.86:226:12
2911.86:226:12
3011.86:226:11
3111.86:226:11

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 4.56 kWh/m².

For context, solar energy here swings from a low near 4 kWh/m² to a high of 5.45 kWh/m² in March across the year — October's 4.56 kWh/m² sits near the bottom.

024151015202531
Solar energy (kWh/m²)Level
14.9Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.3Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.2Bright
314.2Bright
Planning a trip in October

Hazard calendar for Bireun

In seasonPeak

In October, Bireun sits inside its cyclone season. The full year is below, with each hazard's peak months called out.

Bireun sits in the North Indian Ocean cyclone zone; the season peaks May and October–November.

Cyclone
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is October a good time to visit Bireun?

Our two travel scores rate October for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.1
Sightseeing
9th-best month of the year
4.0
Beach & pool
11th-best month of the year

October is a weaker month for outdoor sightseeing in Bireun.

What to pack for Bireun in October

From October's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In October, Bireun 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.

light clothesrain gearsun protection

Sea temperature near Bireun 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 21 km away) is warmest in May at about 30°C and coldest in January near 28°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Tropical
Feb29Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec28Tropical

UV index in Bireun in October

LowModerateHighVery highExtreme

Clear-sky midday UV in October 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 Bireun peaks around February 21 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 10 (extreme).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 14Dec 14UV 10
UV index (midday)Level
Jan11Extreme
Feb14Extreme
Mar14Extreme
Apr14Extreme
May12Extreme
Jun11Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct13Extreme
Nov11Extreme
Dec10Extreme

Air quality in Bireun in October

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where October falls, not just the annual average.

Air quality in Bireun is worst in September — around 19 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJun 1818 µg/m³Dec 1513 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb16Moderate
Mar19Moderate
Apr18Moderate
May18Moderate
Jun19Moderate
Jul18Moderate
Aug18Moderate
Sep19Moderate
Oct17Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Bireun?

Bireun sits at 5.2°N, 96.7°E, 19 m above sea level, in Indonesia. The nearest listed city is Reuleuet, 46 km away.

Topography around Bireun

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Bireun.

Within 3 km, the terrain around Bireun has only modest variations in elevation — a maximum elevation change of 158 m around an average of 20 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 372 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,846 m.

The land around Bireun is covered by trees (41%), cropland (31%) and artificial surfaces (24%) within 3 km, trees (49%) and water (39%) within 16 km, and trees (59%) and water (35%) within 80 km.

3 km
158 m
16 km
372 m
80 km
2,846 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Reuleuet 46 km · Lhokseumawe 50 km · Sigli 84 km · Meulaboh 134 km · Banda Aceh 156 km · Langsa 162 km · Blangpidie 163 km · Sabang 171 km

Indonesia travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 29% of US
price level, 2025
GDP per capita
$5,060
2025
Happiness
5.6 / 10
World Happiness, 2025
Safe drinking water
30%
of population, 2024
Homicide rate
0.3
per 100k, 2022
Road deaths
11.3
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 471
Religion
Muslim 87%Protestant 8%Roman Catholic 3%Hindu 2%

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 Bireun (5.203°, 96.7009°, elevation 19 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).