Bitung weather in October

In October, Bitung sees average daytime highs of 29°C and overnight lows near 25°C, with 126 mm of rain across 17.3 wet days and about 12 hours of daylight. It is the 1st-warmest and 10th-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 16% of the time in October, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of October to 11 h 54 min by month's end. Set against the rest of the year, October is Bitung's 4th-clearest and 9th-windiest month. For the whole year in context, see Bitung's year-round climate.

Daytime high
29°
1st warmest
Overnight low
25°
8th coldest
Rainfall
126 mm
17.3 wet days
Daylight
12 hours
5:25 AM – 5:24 PM
Cloud cover
69%
4th clearest
Wind
8 km/h
9th windiest
Solar energy
6.2 kWh/m²
Travel score
4.4
out of 10

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 Bitung 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 Bitung

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.

Bitung weather by month

How October compares with the rest of the year at a glance. October is the 1st-warmest and 10th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°1782511.93.7
Feb28° / 25°16521.2123.9
Mar29° / 25°15522.9123.9
Apr29° / 26°18823.6123.6
May29° / 26°22225.412.13.6
Jun29° / 25°22022.712.13.9
Jul28° / 25°1461812.14.8
Aug28° / 25°7410.1125.7
Sep29° / 25°6611.2125.3
Oct29° / 25°12617.3124.4
Nov29° / 26°16424.711.93.4
Dec29° / 26°17225.811.93.5

Cloud cover in October

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 16% of the time in October.

Beyond those clear spells, partly cloudy skies cover about 18% of October, with mostly cloudy or overcast conditions the remaining 66%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14060
24060
33862
43862
53862
63862
73862
83664
93664
103763
113763
123763
133664
143664
153565
163565
173466
183466
193466
203466
213367
223268
233268
243070
252971
262971
272872
282872
292773
302674
312575

Chance of precipitation in October

Any precipitation

Bitung gets around 126 mm of rain over 17.3 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 56% and peaks near 71% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202531
Rain chance (%)
142
243
344
445
546
647
748
849
950
1051
1152
1253
1353
1454
1554
1655
1755
1856
1957
2058
2159
2260
2361
2462
2563
2665
2766
2867
2968
3070
3171

Humidity in October

DryComfortableHumidMuggyOppressiveMiserable

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.

0%25%50%75%100%151015202531
Muggy (%)Oppressive (%)Miserable (%)
128117
228018
328018
427919
527820
627820
717821
817722
917623
1017524
1117425
1217326
1317227
1417128
1517029
1616930
1716930
1816831
1916732
2016633
2106634
2206634
2306535
2406436
2506436
2606337
2706337
2806238
2906238
3006139
3106040

Wind in October

Winds average 8 km/h in October.

Across October, daily wind ranges from about 6 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
316calm

Sunrise & sunset in October

DaylightNight

Daylight runs from about 12 hours at the start of October to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over October. Sunrise moves from 5:29 AM to 5:25 AM, and sunset from 5:28 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
112.05:295:28
212.05:295:28
312.05:285:27
412.05:285:27
512.05:285:27
612.05:285:26
712.05:275:26
812.05:275:26
912.05:275:25
1012.05:275:25
1112.05:265:25
1212.05:265:25
1312.05:265:24
1412.05:265:24
1512.05:265:24
1612.05:255:24
1712.05:255:23
1812.05:255:23
1912.05:255:23
2012.05:255:23
2112.05:255:23
2212.05:255:22
2312.05:255:22
2412.05:255:22
2512.05:255:22
2612.05:255:22
2712.05:255:22
2812.05:255:22
2912.05:255:22
3012.05:255:22
3111.95:255:22

Solar energy in October

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in October, about 6.2 kWh/m².

For context, solar energy here swings from a low near 5.14 kWh/m² to a high of 6.37 kWh/m² in September across the year — October's 6.2 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.4Intense
26.4Intense
36.4Intense
46.4Intense
56.4Intense
66.4Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Intense
286.0Bright
296.0Bright
305.9Bright
315.9Bright
Planning a trip in October

Is October a good time to visit Bitung?

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

4.4
Sightseeing
4th-best month of the year
5.7
Beach & pool
3rd-best month of the year

October is a reasonable time to visit Bitung for sightseeing.

What to pack for Bitung in October

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

In October, Bitung sees daytime highs around 29°C and nights near 25°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Bitung 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 offshore is warmest in May at about 29°C and coldest in August near 28°C.

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

26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug28Warm
Sep28Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Bitung 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 Bitung peaks around March 11 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 15Jul 13UV 11
UV index (midday)Level
Jan14Extreme
Feb15Extreme
Mar15Extreme
Apr14Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep13Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme
Location & terrain

Where is Bitung?

Bitung sits at 1.4°N, 125.1°E, 21 m above sea level, in Indonesia. The nearest listed city is Tondano, 28 km away.

Tobelo

Topography around Bitung

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

Within 3 km, the terrain around Bitung has significant variations in elevation — a maximum elevation change of 252 m around an average of 58 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,978 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,962 m.

The land around Bitung is covered by trees (41%), artificial surfaces (26%) and water (24%) within 3 km, trees (60%) and water (33%) within 16 km, and water (72%) and trees (25%) within 80 km.

3 km
252 m
16 km
1,978 m
80 km
1,962 m
treesgrasslandcroplandartificial surfaceswater
October weather nearby: Tondano 28 km · Manado 31 km · Tomohon 39 km · Tahuna 245 km · Gorontalo 251 km · Ternate 261 km · Sofifi 281 km · Tobelo 322 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 Bitung (1.4406°, 125.1282°, elevation 21 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).