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Weather in Surabaya — today

Tomorrow Day after tomorrow 3 days Week 14 days Month forecast Weather archive

Now in Surabaya

☁️

+26°

Overcast

Feels like +30° · humidity 75%

Fri 14.8: +31° / +25°

🕐 02:25

Wind

7 km/h

UV index

Air (AQI)

63 · Poor

Precipitation

22%

Humidity

75%

Pressure

1013 hPa

Sunrise / sunset

05:37 / 17:29

Sea temperature

🌊 +29°

👕 What to wear today

Warm — a T-shirt and light trousers or shorts.

Feels warmer by 4°

Weather for an activity:

🎣 fishing 🏖️ the beach 🏃 a run 📸 a photo shoot 🚶 a walk

Detailed weather information for Surabaya

Friday, 14 August, in Surabaya (Indonesia): cloudy, light rain in places, hot. During the day the air will warm up to +31°, at night around +25°. Wind up to 20 km/h. Brief rain is possible — an umbrella won't hurt. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:37 and set at 17:29 — daylight lasts 12 hours.

Hourly weather in Surabaya

💧 No precipitation expected on this day. Shaded areas of the chart are the dark hours (before sunrise 🌅 and after sunset 🌇).

Weather in Surabaya for 14 days

Tap a day to expand it by time of day and open the full forecast. The bar shows the range from the night low (left) to the day high (right).

▶

Fri 14.8

🌦️

💧 22%

+25° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 22% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Today 15.8

☁️

+25° +31°

Morning

⛅

+28°

Day

☁️

+31°

Evening

🌇

+28°

Night

🌙

+25°

Overcast · precipitation 0% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 16.8

☁️

💧 2%

+25° +31°

Morning

⛅

+28°

Day

☁️

+31°

Evening

🌇

+28°

Night

🌙

+25°

Overcast · precipitation 2% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 17.8

🌦️

💧 34%

+25° +31°

Morning

🌦️

+27°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Drizzle · precipitation 34% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 18.8

🌦️

💧 33%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 33% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 19.8

🌦️

💧 62%

+27° +30°

Morning

🌦️

+28°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+27°

Drizzle · precipitation 62% · wind up to 21 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 20.8

🌦️

💧 43%

+27° +30°

Morning

🌦️

+28°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+27°

Drizzle · precipitation 43% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 21.8

🌦️

💧 24%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 24% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 22.8

⛅

💧 4%

+26° +31°

Morning

⛅

+28°

Day

⛅

+31°

Evening

🌇

+30°

Night

🌙

+26°

Partly cloudy · precipitation 4% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 23.8

🌦️

💧 16%

+27° +31°

Morning

🌦️

+28°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+27°

Drizzle · precipitation 16% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 24.8

🌦️

💧 14%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 14% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 25.8

☀️

💧 14%

+26° +30°

Morning

☀️

+27°

Day

☀️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Clear · precipitation 14% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 26.8

☁️

💧 10%

+26° +31°

Morning

☁️

+28°

Day

☁️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Overcast · precipitation 10% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 27.8

☁️

💧 12%

+27° +30°

Morning

☁️

+28°

Day

☁️

+30°

Evening

🌇

+29°

Night

🌙

+27°

Overcast · precipitation 12% · wind up to 17 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

🗺️ Precipitation radar

Precipitation radar (RainViewer) over a clean base map — updates every 5–10 minutes. Colours show nearby precipitation; if there is none, the map is simply clear — that is normal. Zoom with + / −.

Rain intensity:lightmoderateheavy

🎯 What to do in this weather — indices of the day

Comfort score from 0 (bad) to 100 (excellent), calculated from the day's weather. For “rain” and “UV” a percentage/risk level is shown.

🏖️ Beach

72 / 100

for sea and sun · Good

🏊 Swimming

60 / 100

water 29° · Average

🏃 Running

26 / 100

comfort for running · So-so

🧴 UV

moderate · low

☂️ Rain

22%

possible · low

✨ Stars

73 / 100

evening visibility · Good

🧺 Laundry drying

43 / 100

will dry outside · Average

🚗 Car wash

69 / 100

no rain expected · Good

🌫️ Air quality

Poor air

European AQI

PM2.5: 40PM10: 42O₃: 43NO₂: 28

People with allergies or asthma should reduce time outdoors.

🌅 Sun, moon and sea

Sunrise

05:37

Sunset

17:29

Golden hour

17:01

Daylight

12 h (+0 min vs yesterday)

Sea temperature

+29°

🌊 calm, waves 0.3 m.

Surabaya climate by month

Long-term averages. Hover over a bar for details. The forecast for a specific month is a combination of the climate normal and the model forecast for the coming weeks.

+29°

+25°

Jan

+29°

+25°

Feb

+30°

+25°

Mar

+30°

+25°

Apr

+30°

+25°

May

+30°

+25°

Jun

+31°

+24°

Jul

+31°

+24°

Aug

+33°

+24°

Sep

+33°

+25°

Oct

+31°

+26°

Nov

+30°

+25°

Dec

swipe sideways →

Bar color shows temperature:frostcoolcomfortablewarmhot— best months to visit

Month	Day	Night	Sea	Precipitation	What to pack and what makes the month notable (events, nuances)
January	+29°	+25°	+31°	285 mm	Gentle warmth — about +29° daytime, great walking weather. Frequent rain (285 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +31° — like a warm bath. Statistically the wettest month of the year.
February	+29°	+25°	+31°	263 mm	A comfortable month: +29° by day without exhausting heat. One of the wettest months (263 mm): downpours can derail plans. 😊 light summer clothing. The sea is +31° — like a warm bath. This is the coldest month of the year.
March	+30°	+25°	+31°	262 mm	Warm and comfortable: +30° by day, +25° at night. It's a rainy month (262 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +31° — like a warm bath.
April	+30°	+25°	+32°	186 mm	Gentle warmth — about +30° daytime, great walking weather. Frequent rain (186 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +32° — like a warm bath.
May	+30°	+25°	+31°	86 mm	A comfortable month: +30° by day without exhausting heat. One of the wettest months (86 mm): downpours can derail plans. 😊 light summer clothing. The sea is +31° — like a warm bath.
June	+30°	+25°	+31°	51 mm	Warm and comfortable: +30° by day, +25° at night. 😊 light summer clothing. The sea is +31° — like a warm bath. The shortest daylight of the year — it gets dark early.
July	+31°	+24°	+30°	23 mm	Gentle warmth — about +31° daytime, great walking weather. 😊 light summer clothing. The sea is +30° — like a warm bath. Weather-wise, one of the three best months to visit.
August	+31°	+24°	+29°	7 mm	A comfortable month: +31° by day without exhausting heat. 😊 light summer clothing. Water at +29° — great for swimming. One of the driest months — rain is very unlikely.
September	+33°	+24°	+30°	19 mm	Hot (+33° by day) but dry — manageable with a sensible schedule. ☀️ water and sunscreen. The sea is +30° — like a warm bath. Weather-wise, one of the three best months to visit.
October	+33°	+25°	+31°	68 mm	Up to +33° by day — hot, yet not muggy; mornings and evenings are pleasant. Frequent rain (68 mm over the month) — keep indoor backup plans. ☀️ water and sunscreen. The sea is +31° — like a warm bath. This is the hottest month of the year in Surabaya.
November	+31°	+26°	+32°	176 mm	A comfortable month: +31° by day without exhausting heat. One of the wettest months (176 mm): downpours can derail plans. 😊 light summer clothing. The sea is +32° — like a warm bath. The sea is at its warmest of the year this month.
December	+30°	+25°	+32°	271 mm	Warm and comfortable: +30° by day, +25° at night. It's a rainy month (271 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +32° — like a warm bath. The longest daylight hours of the year — more time for everything.

When to visit Surabaya

✅ Recommended time to visit

🌟 Best time: July, August, September

Daytime air+31…+33°

Sea temperature+29…+30°

Precipitationrare

Why: comfortable +31…+33° by day, little rain, warm sea (+29…30°).

⚠️ Doable, with caveats

🌤️ Shoulder season: January, April, May, June, October, November

Daytime air+29…+33°

Sea temperature+31…+32°

Precipitationoften

Why: noticeable rain risk (51–285 mm/month) — pack an umbrella and backup plans.

🔴 Not the best time

🌤️ Shoulder season: February, March, December

Daytime air+29…+30°

Sea temperature+31…+32°

Precipitationoften

Why: the rainy season (262–271 mm/month) — downpours almost daily.

Bottom line: the best time to visit Surabaya is July – September, and the most comfortable months are July, August, September. The toughest months to visit are February, March, December: frequent rain.