United StatesThe weather in May in Sumatra
It's pleasantly warm in May in Sumatra with an average temperature of 20°C. Temperatures this month range from a low of 15°C to a high of 27°C. At night, you can expect temperatures between 4°C and 12°C.
Looking for sun? May isn’t a good month to be in Sumatra. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in May for Sumatra, Montana. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 36°C in 2014, Sumatra reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 1°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of -3°C to a highest value of 18°C.
Precipitation and snowfall
In May, there is an average of 110 mm of precipitation, spread over 14 days. Of the total precipitation, about 2,5 cm falls as snow in May. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in May for Sumatra
Click on any day in May 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.
May weather comparison
| Sumatra | New York | |
|---|---|---|
| Average temperature | 20°C | 22°C |
| Max. temperature | 27°C | 28°C |
| Min. temperature | 4°C | -5°C |
| Total precipitation | 110 mm | 105 mm |
| Rainy days | 14 days | 14 days |
| Total snowfall | 2,5 cm | 0 cm |
| Snowy days | 2 days | 0 days |
Start of May
The month of May starts in Sumatra with mild temps, averaging around 19°C during the day and nights around 7°C.
Mid May
By mid-May, daytime temps rise to around 20°C, with nights around 8°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Sumatra is around 24°C, while nighttime temps are about 11°C. A shower might pop up, but overall, the weather will be dry and sunny.
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Check out the climate of Sumatra for all months and discover the best travel time
Temperature charts
These charts show the average temperatures in May in Sumatra, Montana. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Sumatra
Temperature in May in Sumatra over the years
Precipitation charts
These charts show the average amount of precipitation in May in Sumatra, Montana. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in May in Sumatra
Total precipitation in May in Sumatra over the years
Daily Snowfall in May in Sumatra
Snowfall in May in Sumatra per year
Daily UV index in May in Sumatra
This chart shows the average daily UV index in May 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.
Weather experiences in May 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.