Sumatra in october: average Weather, Temperature and Climate, Where to go?
Weather on the island of Sumatra in october 2025
Below, find the the weather forecast for the month of october for most popular cities in Sumatra. These forecasts are probabilities for the month of october from weather reports for over 10 years. The percentage indicates the probability of having the weather mentioned.
Average weather in october in Medan
tolerable weather UV index: 7
Weather at 6am
77°F
Moderate rain at times
49% of time
21%
21%
9%
Weather at 12pm
92°F
Moderate rain at times
39% of time
32%
24%
6%
Weather at 6pm
81°F
Moderate rain at times
36% of time
32%
17%
14%
Weather at 3am
76°F
51%
22%
15%
9%
Where to go on the island of Sumatra in october?
Where to go on the island of Sumatra in october: destination map
perfect weather
good
tolerable
bad
very bad
Where to go in each region in october?
| Bangka-Belitung Islands (Pulau Bangka, Pulau Belitung...) | 88°F to 90°F | 13 à 19 days | 86°F | good weather* |
| Central of Sumatra (Padang City, Dumai, Bukittinggi...) | 83°F to 94°F | 15 à 21 days | 85°F to 86°F | tolerable weather* |
| North of Sumatra (Medan, Banda Aceh, Pematangsiantar...) | 79°F to 92°F | 12 à 25 days | 85°F to 86°F | tolerable weather* |
| Riau Islands (Batam, Tanjungpinang...) | 90°F | 9 à 14 days | 86°F | good weather* |
| South of Sumatra (Palembang, Bengkulu, Bandar Lampung...) | 88°F to 95°F | 11 à 15 days | 85°F | good weather* |
Where should you go on the island of Sumatra in october when it comes to the weather?
Remember:
The climate on the island of Sumatra in october ranges from good to very bad depending on the region and city.
You are lucky: Although it is not perfect the weather in Sumatra that month is, according to seasonal norms, quite good in Banda Aceh and Sigli. I allows to appreciate tours in these cities. And even why not take a little time to lazing in the sun!
If you do not go lazing in the sun, but, for example for cultural tours or hiking, the cities of Langsa, Palembang, Tanjungpinang, Gunung Leuser National Park, Bandar Lampung, Kisaran, Batam, Bukit Lawang, Metro, Jambi City, Samosir, Sibolga, Padangsidempuan, Pematangsiantar, Parapat, Lhokseumawe, Pekanbaru, Medan, Bengkulu, Takengon and Pariaman have a ok but correct weather for it in october. Eventually, we advise you to avoid you get to Lac Maninjau, Tebingtinggi, Simpang, lake Toba, Berastagi, Dumai, Bukittinggi, Payakumbuh, Padang City and Gunungsitoli (Pulau Nias) in october because the climate is rather bad.
Climate on the island of Sumatra in october
Climate in Medan in october
In october, maximum temperature is 92°F and minimum temperature is 77°F (for an average temperature of 85°F). The climate is very hot in that area in this month. With 10.6in over 19 days, rainfall can happen throughout your trip. But this is moderate and it will not be continuous.
With a correct weather, the month of october is okay (but not the best time) for traveling there.
| October | |||
| Average temperature | 85°F | ||
| Highest temperature | 92°F | ||
| Lowest temperature | 77°F | ||
| Rainfall | 10.6in | ||
| Number of days with rainfall | 19 day(s) (62%) | ||
| Humidity | 87% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 12:02 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Palembang in october
In october, the mean temperature in Palembang is 86°F (maximum temperature is 95°F and minimum temperature is 79°F). The climate is very hot there in the month of october. With 7.1in over 12 days, rainfall can happen throughout your vacations. But this is pretty reasonably and it will not be continuous.
With a correct weather, the month of october is okay (but not good time) for traveling in this city in Indonesia.
| October | |||
| Average temperature | 86°F | ||
| Highest temperature | 95°F | ||
| Lowest temperature | 79°F | ||
| Rainfall | 7.1in | ||
| Number of days with rainfall | 12 day(s) (39%) | ||
| Humidity | 88% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 40% | ||
| Length of day | 12:10 | ||
| Our opinion at whereandwhen.net | good |
Climate in Banda Aceh in october
In the month of october, the mean temperature in Banda Aceh is 83°F (maximum temperature is 88°F and minimum temperature is 77°F). The climate is very hot in this location in october. With 7.8in over 12 days, you will experience some showers throughout your trip. But this is reasonably and you will not be too bothered by it.
With good weather conditions, the month of october is a good month to go in this city.
| October | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 85°F | ||
| Rainfall | 7.8in | ||
| Number of days with rainfall | 12 day(s) (37%) | ||
| Humidity | 82% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 38% | ||
| Length of day | 12:00 | ||
| Our opinion at whereandwhen.net | good |
Climate in Bandar Lampung in october
In october, maximum temperature is 90°F and minimum temperature is 79°F (for an average temperature of 85°F). The climate is very hot in this city in the month of october. With 9.1in over 15 days, you will experience some showers throughout your vacations. But this is moderate and it will not be continuous.
With a correct weather, october is okay (but not good time) for traveling in Bandar Lampung in Sumatra.
| October | |||
| Average temperature | 85°F | ||
| Highest temperature | 90°F | ||
| Lowest temperature | 79°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 9.1in | ||
| Number of days with rainfall | 15 day(s) (47%) | ||
| Humidity | 85% | ||
| Daily sunshine hours | 11 | ||
| Cloud cover | 37% | ||
| Length of day | 12:14 | ||
| Our opinion at whereandwhen.net | tolerable |
Climate in Bengkulu in october
In the month of october, the mean temperature in Bengkulu is 83°F (maximum temperature is 88°F and minimum temperature is 77°F). The climate is very hot in that area in october. With 10.4in over 15 days, the weather is rather to rain throughout your journey. So remember to pack rain clothes.
With a correct weather, the month of october is okay (but not good month) for traveling in this city in Indonesia.
| October | |||
| Average temperature | 83°F | ||
| Highest temperature | 88°F | ||
| Lowest temperature | 77°F | ||
| Sea temperature | 84°F | ||
| Rainfall | 10.4in | ||
| Number of days with rainfall | 15 day(s) (50%) | ||
| Humidity | 84% | ||
| Daily sunshine hours | 13 | ||
| Cloud cover | 40% | ||
| Length of day | 12:11 | ||
| Our opinion at whereandwhen.net | tolerable |
All cities on the island of Sumatra in october
| Medan in october | tolerable weather |
| Palembang in october | good weather |
| Banda Aceh in october | good weather |
| Bandar Lampung in october | tolerable weather |
| Bengkulu in october | tolerable weather |
| Bukittinggi in october | tolerable weather |
| Dumai in october | tolerable weather |
| Gunungsitoli (Pulau Nias) in october | tolerable weather |
| Jambi City in october | tolerable weather |
| Padang City in october | very bad weather |
| Pematangsiantar in october | tolerable weather |
| Batam in october | tolerable weather |
| Berastagi in october | very bad weather |
| Way Kambas National Park in october | tolerable weather |
| Bukit Lawang in october | tolerable weather |
| Bukit Tigapuluh National Park in october | tolerable weather |
| Calang in october | tolerable weather |
| Kerinci Seblat National Park in october | tolerable weather |
| Lac Maninjau in october | tolerable weather |
| Lake Toba (Danau Toba) in october | very bad weather |
| Parapat in october | tolerable weather |
| Gunung Leuser National Park in october | tolerable weather |
| Payakumbuh in october | bad weather |
| Pulau Bangka in october | tolerable weather |
| Pulau Belitung in october | good weather |
| Pulau Rupat in october | tolerable weather |
| Pulau Siberut in october | very bad weather |
Weather data for Sumatra in october:
Weather data for Sumatra in october is derived from an average of the weather forecast since 2009 on the island of Sumatra. There is a margin of error and these forecasts are to be considered as general information only. The weather on the island of Sumatra can vary slightly from year to year, but these predictions should limit surprises. So you can pack your bags and check when is the best time to go to Sumatra.