Weather in Semarang — today
Now in Semarang
⛅
+24°
Partly cloudy
Feels like +27° · humidity 83%
Fri 14.8: +35° / +24°
🕐 05:25
Wind
6 km/h
UV index
0
Air (AQI)
74 · Poor
Precipitation
18%
Humidity
83%
Pressure
1013 hPa
Sunrise / sunset
05:46 / 17:39
Sea temperature
🌊 +29°
👕 What to wear today
Hot — light breathable clothing, a hat, plenty of water.
💧 Bring waterFeels warmer by 3°
Weather for an activity:
Detailed weather information for Semarang
Friday, 14 August, in Semarang (Indonesia): cloudy, light rain in places, hot. During the day the air will warm up to +35°, at night around +24°. Wind up to 13 km/h. No precipitation expected, you won't need an umbrella. Dress as lightly as possible, wear a hat, apply sunscreen and keep water with you. The sea has warmed up to +29° — great for swimming. The sun will rise at 05:46 and set at 17:39 — daylight lasts 12 hours.Hourly weather in Semarang
💧 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 Semarang 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
🌦️
💧 18%
+24° +35°
Morning
🌦️
+28°
Day
🌦️
+35°
Evening
🌇
+32°
Night
🌙
+24°
▶
Today 15.8
☁️
💧 6%
+24° +35°
Morning
⛅
+28°
Day
☁️
+35°
Evening
🌇
+29°
Night
🌙
+24°
▶
Tomorrow 16.8
☁️
💧 17%
+24° +34°
Morning
☁️
+28°
Day
☁️
+34°
Evening
🌇
+28°
Night
🌙
+24°
▶
Mon 17.8
🌦️
💧 33%
+25° +34°
Morning
🌦️
+28°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+25°
▶
Tue 18.8
🌦️
💧 25%
+25° +34°
Morning
🌦️
+28°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+25°
▶
Wed 19.8
🌦️
💧 41%
+26° +34°
Morning
🌦️
+29°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+26°
▶
Thu 20.8
⛅
💧 14%
+25° +34°
Morning
⛅
+28°
Day
⛅
+34°
Evening
🌇
+32°
Night
🌙
+25°
▶
Fri 21.8
🌦️
💧 11%
+26° +33°
Morning
🌦️
+29°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+26°
▶
Sat 22.8
☀️
💧 15%
+25° +34°
Morning
☀️
+28°
Day
☀️
+34°
Evening
🌇
+32°
Night
🌙
+25°
▶
Sun 23.8
🌤️
💧 15%
+25° +34°
Morning
🌤️
+28°
Day
🌤️
+34°
Evening
🌇
+32°
Night
🌙
+25°
▶
Mon 24.8
🌤️
💧 12%
+26° +34°
Morning
🌤️
+29°
Day
🌤️
+34°
Evening
🌇
+32°
Night
🌙
+26°
▶
Tue 25.8
🌦️
💧 7%
+26° +34°
Morning
🌦️
+29°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+26°
▶
Wed 26.8
🌦️
💧 10%
+26° +34°
Morning
🌦️
+29°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+26°
▶
Thu 27.8
🌤️
💧 12%
+25° +35°
Morning
🌤️
+29°
Day
🌤️
+35°
Evening
🌇
+33°
Night
🌙
+25°
🗺️ 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
56 / 100
for sea and sun · Average
🏊 Swimming
64 / 100
water 29° · Average
🏃 Running
24 / 100
comfort for running · So-so
🧴 UV
0%
moderate · low
☂️ Rain
18%
unlikely · low
✨ Stars
75 / 100
evening visibility · Good
🧺 Laundry drying
42 / 100
will dry outside · Average
🚗 Car wash
73 / 100
no rain expected · Good
🌫️ Air quality
74
Poor air
European AQI
PM2.5: 22PM10: 24O₃: 27NO₂: 15
People with allergies or asthma should reduce time outdoors.
🌅 Sun, moon and sea
Sunrise
05:46
Sunset
17:39
Golden hour
17:11
Daylight
12 h (+0 min vs yesterday)
Sea temperature
+29°
🌊 calm, waves 0.3 m.
Semarang 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.
+28°
+24°
Jan
+28°
+24°
Feb
+29°
+24°
Mar
+29°
+24°
Apr
+30°
+24°
May
+30°
+23°
Jun
+31°
+23°
Jul
+31°
+23°
Aug
+32°
+24°
Sep
+31°
+24°
Oct
+30°
+24°
Nov
+29°
+24°
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 | +28° | +24° | +30° | 375 mm | Warm and comfortable: +28° by day, +24° at night. It's a rainy month (375 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +30° — like a warm bath. |
| February | +28° | +24° | +30° | 339 mm | Gentle warmth — about +28° daytime, great walking weather. Frequent rain (339 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the coldest month of the year. |
| March | +29° | +24° | +30° | 324 mm | A comfortable month: +29° by day without exhausting heat. One of the wettest months (324 mm): downpours can derail plans. 😊 light summer clothing. The sea is +30° — like a warm bath. |
| April | +29° | +24° | +31° | 223 mm | Warm and comfortable: +29° by day, +24° at night. It's a rainy month (223 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +31° — like a warm bath. |
| May | +30° | +24° | +31° | 103 mm | Gentle warmth — about +30° daytime, great walking weather. Frequent rain (103 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +31° — like a warm bath. |
| June | +30° | +23° | +30° | 58 mm | A comfortable month: +30° by day without exhausting heat. 😊 light summer clothing. The sea is +30° — like a warm bath. The shortest daylight of the year — it gets dark early. |
| July | +31° | +23° | +30° | 38 mm | Warm and comfortable: +31° by day, +23° at night. 😊 light summer clothing. The sea is +30° — like a warm bath. Weather-wise, one of the three best months to visit. |
| August | +31° | +23° | +30° | 24 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. |
| September | +32° | +24° | +30° | 44 mm | A comfortable month: +32° by day without exhausting heat. 😊 light summer clothing. The sea is +30° — like a warm bath. This is the hottest month of the year in Semarang. |
| October | +31° | +24° | +31° | 134 mm | Warm and comfortable: +31° by day, +24° at night. It's a rainy month (134 mm) — an umbrella is a must. 😊 light summer clothing. The sea is +31° — like a warm bath. |
| November | +30° | +24° | +31° | 265 mm | Gentle warmth — about +30° daytime, great walking weather. Frequent rain (265 mm over the month) — keep indoor backup plans. 😊 light summer clothing. The sea is +31° — like a warm bath. The sea is at its warmest of the year this month. |
| December | +29° | +24° | +31° | 397 mm | A comfortable month: +29° by day without exhausting heat. One of the wettest months (397 mm): downpours can derail plans. 😊 light summer clothing. The sea is +31° — like a warm bath. Statistically the wettest month of the year. |
When to visit Semarang
✅ Recommended time to visit
🌟 Best time: June, July, August
Daytime air+30…+31°
Sea temperature+30…+30°
Precipitationoften
Why: comfortable +30…+31° by day, little rain, warm sea (+30…30°).
⚠️ Doable, with caveats
🌤️ Shoulder season: January, February, April, May, September, October
Daytime air+28…+32°
Sea temperature+30…+31°
Precipitationoften
Why: noticeable rain risk (44–375 mm/month) — pack an umbrella and backup plans.
🔴 Not the best time
🌤️ Shoulder season: March, November, December
Daytime air+29…+30°
Sea temperature+30…+31°
Precipitationoften
Why: the rainy season (265–397 mm/month) — downpours almost daily.
Bottom line: the best time to visit Semarang is June – August, and the most comfortable months are June, July, August. The toughest months to visit are March, November, December: frequent rain.
🌡️ Today vs the climate normal
Today's high
+35°
Normal for August
+31°
Deviation
4° warmer than normal
A year ago on this day
+32°
Record for this date
+35° (2019)
The normal, “a year ago” and the record come from the weather archive since 1940 (Open-Meteo / ERA5).
Weather archive for Semarang
📅 See what the weather was like on any day since 1940. For example: “what was the weather on March 2, 2021”.
Show the archive for the selected day →
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Weather in cities near Semarang
Frequently asked questions about the weather in Semarang
What is the weather in Semarang right now?＋
Partly cloudy, +24°, feels like +27°.
Will it rain in Semarang today?＋
Yes: 18% chance, 1 mm.
When is the best time to visit Semarang?＋
Best time to visit — June – August.
Can you swim in Semarang in winter?＋
In winter the water is around +30° — like a warm bath. In summer the sea warms up to +30°.
What time are sunrise and sunset in Semarang?＋
Sunrise 05:46, sunset 17:39.
Does it snow in Semarang in winter?＋
No, it practically never snows.
What is the climate in Semarang by month?＋
Summers up to +32° in September, winters around +24° in February; the wettest month is December.
How hot is it in Semarang in summer?＋
😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.