North Sumatra Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in North Sumatra, Indonesia in May.

Planning a getaway to North Sumatra, Indonesia this May and curious about the weather you should prepare for? Discover all the vital details you need on this page, solving your puzzle:

What to Expect in North Sumatra in May

North Sumatra, Indonesia is a region in Indonesia. May in North Sumatra generally has temperatures that range from warm to very warm, with heavy precipitation.

Temperatures

Based on our climate data spanning from 1990-2020, the average maximum temperature is warm in Tuk Tuk at 28°C (82°F) to very warm in Medan at 33°C (91°F). Nighttime temperatures generally drop to 24°C (75°F) in Medan and 20°C (68°F) in Tuk Tuk. The temperatures mentioned for both day and night are typical averages. However some days might get even hotter. It's best to stay prepared by wearing cloths suitable for the warmth.

To explore the conditions in North Sumatra, Indonesia in more detail, check the map below.

Precipitation

In May, precipitation varies across different areas. From heavy rainfall in Tuk Tuk with an average of 174 mm (6.9 in) to heavy rainfall in Medan with 266 mm (10 in).

Average sunshine

Sunshine is moderately available across various locations. In Medan, you can expect around 136 hours of sunlight in May, which gives a pleasant combination of sun and shade. For those who want maximum sunshine, our weather planner can point you toward the sunniest places on Earth.

Explore North Sumatra by month

Best Places to Visit in North Sumatra in May

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across North Sumatra.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in North Sumatra

What is the weather like in May for some of the most popular destinations in North Sumatra, Indonesia?

Temperature range in North Sumatra (May)

Precipitation variation in North Sumatra (May)

Medan

In May Medan generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
132 hours
136 hours
160 hours
Monthly rainfall
252 mm (9.9 in)
266 mm (10 in)
208 mm (8.2 in)
Monthly rainy days
11 days
12 days
9 days
Weather conditions

Rantauprapat

In May Rantauprapat generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are poor that month.

May
April
May
June
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
23°C (73°F)
24°C (75°F)
23°C (73°F)
Monthly rainfall
257 mm (10 in)
223 mm (8.8 in)
166 mm (6.5 in)
Monthly rainy days
16 days
14 days
11 days
Weather conditions

Tuk Tuk

In May Tuk Tuk generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 20°C (68°F) and heavy monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
27°C (81°F)
28°C (82°F)
28°C (82°F)
Min temperature
20°C (68°F)
20°C (68°F)
20°C (68°F)
Monthly rainfall
220 mm (8.7 in)
174 mm (6.9 in)
147 mm (5.8 in)
Monthly rainy days
15 days
15 days
11 days
Weather conditions

Berastagi

In May Berastagi generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and heavy monthly rainfall. So on average the conditions are unpleasant that month.

May
April
May
June
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Monthly sun hours
132 hours
136 hours
160 hours
Monthly rainfall
269 mm (11 in)
237 mm (9.3 in)
191 mm (7.5 in)
Monthly rainy days
14 days
15 days
11 days
Weather conditions

Parapat

In May Parapat generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 21°C (70°F) and heavy monthly rainfall. So on average the conditions are tolerable that month.

May
April
May
June
Max temperature
28°C (82°F)
28°C (82°F)
28°C (82°F)
Min temperature
20°C (68°F)
21°C (70°F)
20°C (68°F)
Monthly rainfall
238 mm (9.4 in)
195 mm (7.7 in)
170 mm (6.7 in)
Monthly rainy days
15 days
15 days
12 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in North Sumatra, in Indonesia.

Popular cities in May

Day & night temperatures, rainfall and average weather in North Sumatra in May.

City Weather Day temp Night temp Rainfall
Medan 33°C (91°F) 24°C (75°F) 266 mm (10 in)
Rantauprapat 33°C (91°F) 24°C (75°F) 223 mm (8.8 in)
Tuk Tuk 28°C (82°F) 20°C (68°F) 174 mm (6.9 in)
Berastagi 28°C (82°F) 19°C (66°F) 237 mm (9.3 in)
Parapat 28°C (82°F) 21°C (70°F) 195 mm (7.7 in)
Pematangsiantar 31°C (88°F) 22°C (72°F) 259 mm (10 in)

North Sumatra weather in May: frequently asked questions

What is the weather like in North Sumatra, Indonesia in May?

North Sumatra, Indonesia typically experiences poor weather in May, part of the season. Daytime highs in Medan average around 33°C (91°F), and temperatures drop to about 24°C (75°F) at night.

What is the average temperature in North Sumatra, Indonesia in May?

In Medan, the average daytime high in May is 33°C (91°F), while nighttime temperatures drop to around 24°C (75°F).

Does North Sumatra, Indonesia get a lot of rain in May?

Expect plenty of rainfall. Medan records an average of 266 mm (10 in) in May, putting it among the wetter months for North Sumatra, Indonesia.

Is May a Good Time to Visit North Sumatra, Indonesia?

In our opinion, May may not be the ideal time to visit North Sumatra, Indonesia due to the typically poor weather in Medan.

On average, the best time to visit North Sumatra, Indonesia is in February with generally unpleasant weather in Medan.

Interested in more climate information?

We have much more information about the climate in North Sumatra.

Weather and climate has detailed information for every country in the world. Are you going to Indonesia? Get detailed historical weather averages for many cities in Indonesia.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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