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Normal weather for Sumatra in October

It's warm in October in Sumatra with an average temperature of 28°C. Temperatures this month range from a low of 25°C to a high of 30°C. At night, you can expect temperatures between 14°C and 21°C.

In October, there is an average of 87 mm of precipitation, spread over 12 days. The wind speed is around 4 Bft, mostly coming from the Southeast.

Sumatra in October

New York
Temperature Average Temperature
28°C 21°C
Sun High Temp
30°C 26°C
Sun Low Temp
25°C 16°C
Rain Total Precipitation
87 mm 119 mm
Rain Rainy Days
12 days 13 days

Start of October

The month of October starts in Sumatra with hot temps, averaging around 29°C during the day and nights around 21°C. A few showers might pop up early in the month, but overall, it’ll stay mostly sunny and dry.

With the temperature difference between day and night, it’s smart to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. In the evening and morning, a T-shirt, light pants or skirt, and a light jacket are ideal.

Mid October

By mid-October, daytime temps drop to around 28°C, with nights around 18°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.

Since it cools down at night, it’s a good idea to wear layers. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.

End of October

By the end of October, the average daytime temperature in Sumatra is around 27°C, while nighttime temps are about 17°C. Expect regular precipitation, but if you’re lucky, you’ll also get some dry and sunny days.

Because temperatures drop in the evening, wearing layers is recommended. For the daytime, light clothing like shorts or a dress, and a hat and sunglasses are perfect. For the evening and morning, a shirt, maybe a light sweater, and thin pants are recommended.

UV index

The UV index is a maximum of 6 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.

Is October a good time to visit Sumatra?

Looking for great weather? October is a good time to be in Sumatra. The temperatures are nice, and there’s not too much rain.

The hurricane season in Sumatra runs from June to November.

Temperature records for Sumatra in October

Check out the climate of Sumatra for all months and discover the best travel time

Daily Temperature in October in Sumatra

This chart shows the average daily high and low temperatures in October for Sumatra, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.

Daily Temperature in October in Sumatra

Daily Precipitation in October in Sumatra

The chart below shows the average daily precipitation in October for Sumatra, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.

A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for October, you can expect about 12 days of precipitation in Sumatra.

Daily Precipitation in October in Sumatra

Daily UV Index in October in Sumatra

This chart shows the average daily UV index in October in Sumatra, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.

Daily UV Index in October in Sumatra

Temperature in October in Sumatra Over the Years

This chart shows the average temperature in October in Sumatra, measured in degrees Celsius, over the past few years.

Temperature in October in Sumatra Over the Years

Total Precipitation in October in Sumatra Over the Years

This chart shows the average precipitation in October in Sumatra, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.

Precipitation in October in Sumatra Over the Years

Daily Climate in October for Sumatra

Click on any day in October to get detailed info about the usual weather on that day in Sumatra. Check out the historical temperatures and precipitation over the past 10 years on this day.

Weather experiences in October in Sumatra

Have you been to Sumatra in October?

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Average Weather in Sumatra by Month

Click on a month below to see detailed weather info for Sumatra. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.


Or check out the climate of Sumatra for all months at once

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