Surabaya

East Java Weather in May

Average temperatures, rainfall, sunshine and the best places to visit in East Java, Indonesia in May.

Considering a trip to East Java, Indonesia this May and wondering about the expected weather conditions? Find all the crucial information you need right here, addressing your question:

What to Expect in East Java in May

East Java, Indonesia is a region in Indonesia. May in East Java generally has temperatures that range from warm to very warm, with precipitation levels ranging from moderate to high.

Temperatures

During the day temperatures vary from warm in Malang at 28°C (82°F) to very warm in Sedati at 33°C (91°F). At night it cools down to 25°C (77°F) in Sedati and 19°C (66°F) in Malang. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

For a closer look at conditions across East Java, Indonesia, refer to the map below.

Precipitation

In May, precipitation varies across different areas. From moderate rainfall in Pasuruan with an average of 65 mm (2.6 in) to high rainfall in Batu with 132 mm (5.2 in).

Average sunshine

Plenty of sunshine can be expected in numerous places in May. Surabaya typically receives 191 hours of sunlight, making it ideal for those seeking sunny weather.

Explore East Java by month

Pick a month to see the average temperature, rainfall and sunshine in East Java — and find the best time to visit. (based on Surabaya)

Best Places to Visit in East Java in May

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

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 East Java

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

Temperature range in East Java (May)

Precipitation variation in East Java (May)

Surabaya

In May Surabaya generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 26°C (79°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
26°C (79°F)
26°C (79°F)
25°C (77°F)
Monthly sun hours
158 hours
191 hours
201 hours
Monthly rainfall
196 mm (7.7 in)
87 mm (3.4 in)
52 mm (2 in)
Monthly rainy days
10 days
7 days
6 days
Weather conditions

Malang

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

May
April
May
June
Max temperature
28°C (82°F)
28°C (82°F)
27°C (81°F)
Min temperature
19°C (66°F)
19°C (66°F)
18°C (64°F)
Monthly rainfall
259 mm (10 in)
111 mm (4.4 in)
62 mm (2.4 in)
Monthly rainy days
12 days
9 days
7 days
Weather conditions

Batu

In May Batu generally has high temperatures with maximum daytime temperatures around 28°C (82°F), minimum nighttime temperatures around 19°C (66°F) and high monthly rainfall. So on average the conditions are pleasant 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)
19°C (66°F)
18°C (64°F)
Monthly rainfall
296 mm (12 in)
132 mm (5.2 in)
72 mm (2.8 in)
Monthly rainy days
13 days
10 days
8 days
Weather conditions

Banyuwangi

In May Banyuwangi generally has high temperatures with maximum daytime temperatures around 29°C (84°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

May
April
May
June
Max temperature
29°C (84°F)
29°C (84°F)
28°C (82°F)
Min temperature
24°C (75°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
190 hours
200 hours
196 hours
Monthly rainfall
165 mm (6.5 in)
79 mm (3.1 in)
51 mm (2 in)
Monthly rainy days
11 days
7 days
6 days
Weather conditions

Kediri

In May Kediri generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are pleasant that month.

May
April
May
June
Max temperature
31°C (88°F)
32°C (90°F)
31°C (88°F)
Min temperature
23°C (73°F)
23°C (73°F)
22°C (72°F)
Monthly rainfall
212 mm (8.3 in)
93 mm (3.7 in)
53 mm (2.1 in)
Monthly rainy days
11 days
8 days
6 days
Weather conditions

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

Popular cities in May

Day & night temperatures, rainfall and average weather in East Java in May.

City Weather Day temp Night temp Rainfall
Surabaya 33°C (91°F) 26°C (79°F) 87 mm (3.4 in)
Malang 28°C (82°F) 19°C (66°F) 111 mm (4.4 in)
Batu 28°C (82°F) 19°C (66°F) 132 mm (5.2 in)
Banyuwangi 29°C (84°F) 23°C (73°F) 79 mm (3.1 in)
Kediri 32°C (90°F) 23°C (73°F) 93 mm (3.7 in)
Kalibaru 29°C (84°F) 21°C (70°F) 102 mm (4 in)

East Java weather in May: frequently asked questions

What is the weather like in East Java, Indonesia in May?

In May, East Java, Indonesia generally has unpleasant weather conditions. Surabaya sees daytime temperatures near 33°C (91°F), with nights cooling to roughly 26°C (79°F).

What is the average temperature in East Java, Indonesia in May?

Surabaya averages a daytime maximum of 33°C (91°F) in May, with overnight lows close to 26°C (79°F).

Does East Java, Indonesia get a lot of rain in May?

Rain is generally moderate to light in East Java, Indonesia during May, with Surabaya averaging close to 87 mm (3.4 in).

Is May a Good Time to Visit East Java, Indonesia?

Given the typically pleasant weather conditions in Surabaya, May might be a good time to visit East Java, Indonesia.

Generally speaking, July and August provide tolerable weather in Surabaya. On the other hand, the weather in January, February, March, April, September, October, November and December tend to be poor.

Interested in more climate information?

We have much more information about the climate in East Java.

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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