Normal weather for Sumatra in January
It's hot in January in Sumatra with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 23°C and 24°C.
In January, there is an average of 237 mm of precipitation, spread over 23 days. The wind speed is around 2 Bft, mostly coming from the South.
Sumatra in January |
New York | ||
|---|---|---|---|
 Average Temperature |
31°C | 5°C | |
 High Temp |
32°C | 11°C | |
| Low Temp |
30°C | 1°C | |
 Total Precipitation |
237 mm | 97 mm | |
| Rainy Days |
23 days | 12 days | |
Start of January
The month of January starts in Sumatra with hot temps, averaging around 32°C during the day and nights around 24°C. There are plenty of days with a good chance of precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Mid January
By mid-January, daytime temps drop to around 31°C, with nights around 24°C. There’s a high chance of precipitation during this time. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
End of January
By the end of January, the average daytime temperature in Sumatra is around 31°C, while nighttime temps are about 24°C. There’s a significant chance of many days with precipitation. Light clothing like shorts or a dress, and a hat and sunglasses are perfect.
Find affordable vacations to Sumatra 
UV index
The UV index is a maximum of 8 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is January a good time to visit Sumatra?
Looking for sun? January isn’t a good month to be in Sumatra. The temperature is nice, but there’s too much chance of rain.
Temperature records for Sumatra in January
Check out the climate of Sumatra for all months and discover the best travel time
December
Plan your next vacation
Don’t miss the best vacation deals for Sumatra and see what our partners have for you.
Daily Temperature in January in Sumatra
This chart shows the average daily high and low temperatures in January 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 Precipitation in January in Sumatra
The chart below shows the average daily precipitation in January 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 January, you can expect about 23 days of precipitation in Sumatra.
Daily UV Index in January in Sumatra
This chart shows the average daily UV index in January 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.
Temperature in January in Sumatra Over the Years
This chart shows the average temperature in January in Sumatra, measured in degrees Celsius, over the past few years.
Total Precipitation in January in Sumatra Over the Years
This chart shows the average precipitation in January in Sumatra, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily Climate in January for Sumatra
Click on any day in January 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 January in Sumatra
Have you been to Sumatra in January?
Share your weather experience in January in Sumatra.
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.
