Sumatra — Water Temperature in October

Water Temperature Range

27°C

minimum

29°C

average

31°C

maximum

Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature Chart for Month

The chart shows the average daily water temperature for each day of the month based on historical data.

Table of Water Temperatures by Day of the Month for Previous Years

Day	2025	2024	2023	2022
OCT 1	30°C	30°C	30°C	29°C
OCT 2	29°C	29°C	30°C	27°C
OCT 3	29°C	29°C	30°C	28°C
OCT 4	30°C	30°C	30°C	29°C
OCT 5	30°C	30°C	30°C	29°C
OCT 6	29°C	29°C	30°C	28°C
OCT 7	30°C	30°C	29°C	31°C
OCT 8	30°C	30°C	29°C	30°C
OCT 9	29°C	29°C	29°C	29°C
OCT 10	29°C	29°C	30°C	27°C
OCT 11	29°C	29°C	29°C	29°C
OCT 12	29°C	29°C	30°C	28°C
OCT 13	31°C	31°C	30°C	31°C
OCT 14	30°C	30°C	30°C	29°C
OCT 15	30°C	30°C	30°C	30°C
OCT 16	29°C	29°C	30°C	27°C
OCT 17	29°C	29°C	30°C	28°C
OCT 18	29°C	29°C	29°C	28°C
OCT 19	29°C	29°C	29°C	29°C
OCT 20	29°C	29°C	29°C	28°C
OCT 21	30°C	30°C	30°C	29°C
OCT 22	31°C	31°C	30°C	31°C
OCT 23	29°C	29°C	30°C	27°C
OCT 24	30°C	30°C	30°C	29°C
OCT 25	29°C	29°C	30°C	28°C
OCT 26	31°C	31°C	31°C	30°C
OCT 27	29°C	29°C	31°C	27°C
OCT 28	31°C	31°C	31°C	31°C
OCT 29	30°C	30°C	31°C	28°C
OCT 30	30°C	30°C	31°C	28°C
OCT 31	30°C	30°C	31°C	28°C

October: Climate and Swimming Opportunities

Average Night Air Temperature

24°C

Average Day Air Temperature

29°C

Precipitation Amount per Month

122 mm

Number of Rainy Days

Daylight per Day

12 hrs

Sunshine per Day

8 hrs

Average Wind Speed

7 km/h

Average Humidity

77%

At such water and air temperatures, swimming feels truly comfortable and relaxing. The warm water won’t cool you down, so you can stay in for a long time without getting chilled.