What’s the climate like in Sumatra?
The current climate of Sumatra features average monthly temperatures ranging from highs of 33°C during the day to lows of 0°C. The average yearly temperature is around 16°C. At night, temperatures in the colder months average around -10°C and in the warmer months around 17°C.
The highest temperature recorded in Sumatra in recent years was 42°C in July 2021. The lowest daytime temperature recorded was -27°C in December 2017.
On average, Sumatra gets 782 mm of precipitation each year. Of this, about 77 cm is snowfall. For comparison, London gets 701 mm of precipitation each year.
Best time to visit Sumatra?
The best time to visit Sumatra for sunny weather is May through August. During this period, you'll have good temperatures and not too much rain, making it a great time to visit Sumatra. In the other months of the year, there's too much rain or the temperature isn't ideal for a visit if you want sunny and pleasant weather.
Climate Table of Sumatra
The climate table of Sumatra shows the average temperatures, precipitation, snow, and UV index per month. The table gives an overview of the average day and night temperatures in degrees Celsius, the total amount of precipitation in millimetres, the total snowfall in centimetres, and the UV index for each month. Precipitation is always measured as water, even if it's snow or hail.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
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| Temp. max (°C) | 2 | 0 | 9 | 14 | 20 | 27 | 33 | 31 | 24 | 15 | 8 | 2 |
| Temp. min (°C) | -8 | -10 | -3 | 2 | 8 | 14 | 18 | 16 | 11 | 4 | -3 | -7 |
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| Precipitation (mm) | 23 | 50 | 52 | 54 | 110 | 106 | 27 | 51 | 176 | 61 | 35 | 37 |
| Snow (cm) | 6,2 | 17 | 8,9 | 5,9 | 2,5 | 0 | 0 | 0 | 0,2 | 8,7 | 10 | 17 |
| UV Index | 3 | 5 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 4 | 3 |
Click on the month name to see more weather details, like daily averages, temperatures, and precipitation for the past years in that month.
- Average yearly temperature: 16°C
- Highest temperature: 33°C in July
- Lowest temperature: 0°C in February
- Precipitation*: 782 mm per year, averaging 65 mm per month
- Snowfall: 77 cm per year
- Driest months: 23 mm in January, 27 mm in July and 35 mm in November
- Wettest months: 176 mm in September, 110 mm in May and 106 mm in June
*Precipitation is measured as a combination of rain, snow, and hail
Table of Contents
Average Temperature per Month in Sumatra
This graph shows the average maximum temperatures per month in Sumatra, Montana. The temperatures are shown in degrees Celsius and the average is calculated based on the recorded temperatures per month from past years.
Average Precipitation per Month in Sumatra
This graph shows how much precipitation Sumatra, Montana, gets on average per month. Precipitation is always measured as water, even if it's snow or hail. This makes it easy to compare how much has fallen, regardless of the form of precipitation. The amount of precipitation is measured in millimetres and the average is calculated based on the recorded precipitation per month from past years.
Average Snowfall per Month in Sumatra
This graph shows how much snow Sumatra, Montana, gets on average per month. The amount of snowfall is measured in centimetres and the average is calculated based on the recorded snowfall per month from past years.
Average UV Index per Month in Sumatra
This graph shows the average UV index per month in Sumatra, Montana. The UV index indicates the intensity of ultraviolet radiation and ranges from 0 to a maximum of 11.
Yearly Temperature in Sumatra
This graph shows the average yearly temperature in Sumatra, Montana. The yearly temperature, expressed in degrees Celsius, is the average of all twelve monthly temperatures summed up for that year.
Total Yearly Precipitation in Sumatra
This chart shows the total yearly precipitation in Sumatra, Montana, over the past few years. The total yearly precipitation, measured in millimetres, is the sum of all the rain that fell in the twelve months of that year.
Total Yearly Snowfall in Sumatra
This chart shows the total yearly snowfall in Sumatra, Montana, over the past few years. The total yearly snowfall, measured in centimetres, is the sum of all the snow that fell in the twelve months of that year.
Weather experiences in Sumatra
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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.
