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Weather in Surabaya — today

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

Now in Surabaya

☁️

+25°

Overcast

Feels like +29° · humidity 82%

Tue 28.7: +31° / +26°

🕐 05:25

Wind

4 km/h

UV index

Air (AQI)

47 · Moderate

Precipitation

33%

Humidity

82%

Pressure

1011 hPa

Sunrise / sunset

05:41 / 17:28

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

Tuesday, 28 July, in Surabaya (Indonesia): cloudy, light rain in places, hot. During the day the air will warm up to +31°, at night around +26°. Wind up to 18 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 05:41 and set at 17:28 — daylight lasts 12 hours.

Hourly weather in Surabaya

💧 The bars at the bottom show the hourly precipitation probability. 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).

▶

Tue 28.7

🌦️

💧 33%

+26° +31°

Morning

🌦️

+28°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+26°

Drizzle · precipitation 33% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Today 29.7

☁️

💧 2%

+25° +31°

Morning

⛅

+28°

Day

☁️

+31°

Evening

🌇

+28°

Night

🌙

+25°

Overcast · precipitation 2% · wind up to 16 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tomorrow 30.7

🌦️

💧 12%

+26° +30°

Morning

🌤️

+28°

Day

🌦️

+30°

Evening

🌇

+28°

Night

🌙

+26°

Drizzle · precipitation 12% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 31.7

☁️

💧 2%

+25° +30°

Morning

☁️

+27°

Day

☁️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Overcast · precipitation 2% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 1.8

🌦️

💧 22%

+25° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Drizzle · precipitation 22% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 2.8

🌦️

💧 43%

+27° +30°

Morning

🌦️

+28°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+27°

Drizzle · precipitation 43% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Mon 3.8

🌦️

💧 50%

+27° +30°

Morning

🌦️

+28°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+27°

Drizzle · precipitation 50% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Tue 4.8

🌦️

💧 33%

+26° +30°

Morning

🌦️

+27°

Day

🌦️

+30°

Evening

🌇

+29°

Night

🌙

+26°

Drizzle · precipitation 33% · wind up to 14 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Wed 5.8

🌦️

💧 22%

+27° +31°

Morning

🌦️

+28°

Day

🌦️

+31°

Evening

🌇

+30°

Night

🌙

+27°

Drizzle · precipitation 22% · wind up to 15 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Thu 6.8

☁️

💧 8%

+25° +31°

Morning

☁️

+27°

Day

☁️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Overcast · precipitation 8% · wind up to 19 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Fri 7.8

☁️

💧 2%

+25° +31°

Morning

☁️

+27°

Day

☁️

+31°

Evening

🌇

+30°

Night

🌙

+25°

Overcast · precipitation 2% · wind up to 18 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sat 8.8

☁️

+25° +30°

Morning

☁️

+27°

Day

☁️

+30°

Evening

🌇

+29°

Night

🌙

+25°

Overcast · precipitation 0% · wind up to 20 km/h.
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.

▶

Sun 9.8

☁️

+24° +30°

Morning

☁️

+26°

Day

☁️

+30°

Evening

🌇

+29°

Night

🌙

+24°

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

▶

Mon 10.8

☁️

💧 2%

+24° +31°

Morning

☁️

+27°

Day

☁️

+31°

Evening

🌇

+29°

Night

🌙

+24°

Overcast · precipitation 2% · wind up to 16 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

64 / 100

for sea and sun · Average

🏊 Swimming

49 / 100

water 29° · Average

🏃 Running

13 / 100

comfort for running · Bad

🧴 UV

moderate · low

☂️ Rain

33%

possible · moderate

✨ Stars

65 / 100

evening visibility · Average

🧺 Laundry drying

28 / 100

will dry outside · So-so

🚗 Car wash

55 / 100

no rain expected · Average

🌫️ Air quality

Moderate air

European AQI

PM2.5: 43PM10: 46O₃: 29NO₂: 28

Moderate. Those sensitive to dust should be more careful during long outdoor exercise.

🌅 Sun, moon and sea

Sunrise

05:41

Sunset

17:28

Golden hour

16:59

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.