Today, 27 October, Tuesday, in Semarang (Indonesia): cloudy, light rain in places, hot. During the day the air will warm up to +32°, at night around +26°. Wind up to 12 km/h. High chance of rain — be sure to take an umbrella or a raincoat. Light summer clothing will do — a T-shirt and shorts or light trousers. The sea has warmed up to +32° — great for swimming. The sun will rise at 05:12 and set at 17:32 — daylight lasts 12 hours.
Hourly weather in Semarang
82%16
82%17
76%18
69%19
64%20
59%21
51%22
37%23
20%00
8%01
5%02
7%03
8%04
7%05
6%06
6%07
5%08
5%09
12%10
31%11
56%12
76%13
87%14
94%15
💧 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).
▶
Today 27.10
🌦️
💧 82%
+26°+32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+31°
Night
🌙
+26°
Drizzle · precipitation 82% · wind up to 12 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tomorrow 28.10
⛈️
💧 100%
+25°+34°
Morning
☀️
+30°
Day
⛈️
+34°
Evening
🌇
+26°
Night
🌙
+25°
Thunderstorm · precipitation 100% · wind up to 18 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Thu 29.10
🌦️
💧 82%
+25°+32°
Morning
🌦️
+28°
Day
🌦️
+32°
Evening
🌇
+30°
Night
🌙
+25°
Rain showers · precipitation 82% · wind up to 11 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Fri 30.10
🌦️
💧 100%
+25°+30°
Morning
🌦️
+27°
Day
🌦️
+30°
Evening
🌇
+29°
Night
🌙
+25°
Rain showers · precipitation 100% · wind up to 11 km/h. 😊 Warm and comfortable. Perfect for walks, the beach and sightseeing.
▶
Sat 31.10
🌦️
💧 83%
+25°+33°
Morning
🌦️
+28°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+25°
Drizzle · precipitation 83% · wind up to 10 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sun 1.11
🌦️
💧 90%
+25°+33°
Morning
🌦️
+28°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+25°
Drizzle · precipitation 90% · wind up to 11 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Mon 2.11
⛈️
💧 96%
+25°+33°
Morning
⛈️
+28°
Day
⛈️
+33°
Evening
🌇
+31°
Night
🌙
+25°
Thunderstorm · precipitation 96% · wind up to 10 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Tue 3.11
🌦️
💧 80%
+25°+33°
Morning
🌦️
+28°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+25°
Drizzle · precipitation 80% · wind up to 9 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Wed 4.11
🌦️
💧 80%
+24°+33°
Morning
🌦️
+27°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+24°
Drizzle · precipitation 80% · wind up to 6 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Thu 5.11
🌦️
💧 78%
+25°+33°
Morning
🌦️
+28°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+25°
Drizzle · precipitation 78% · wind up to 12 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Fri 6.11
🌦️
💧 92%
+25°+33°
Morning
🌦️
+28°
Day
🌦️
+33°
Evening
🌇
+31°
Night
🌙
+25°
Drizzle · precipitation 92% · wind up to 9 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sat 7.11
🌦️
💧 73%
+25°+35°
Morning
🌦️
+29°
Day
🌦️
+35°
Evening
🌇
+33°
Night
🌙
+25°
Drizzle · precipitation 73% · wind up to 15 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Sun 8.11
🌦️
💧 71%
+25°+34°
Morning
🌦️
+28°
Day
🌦️
+34°
Evening
🌇
+32°
Night
🌙
+25°
Drizzle · precipitation 71% · wind up to 10 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
▶
Mon 9.11
⛈️
💧 84%
+26°+33°
Morning
⛈️
+29°
Day
⛈️
+33°
Evening
🌇
+31°
Night
🌙
+26°
Thunderstorm · precipitation 84% · wind up to 11 km/h. ☀️ Very hot. Drink more water, avoid the midday sun, sunscreen is needed.
🗺️ 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
19 / 100
for sea and sun · Bad
🏊 Swimming
0 / 100
water 32° · Bad
🏃 Running
0 / 100
comfort for running · Bad
🧴 UV
18%
moderate · low
☂️ Rain
82%
likely · high
✨ Stars
31 / 100
evening visibility · So-so
🧺 Laundry drying
0 / 100
will dry outside · Bad
🚗 Car wash
0 / 100
better to wait · Bad
🌫️ Air quality
112
Very poor air
European AQI
PM2.5: 56PM10: 58O₃: 192NO₂: 14
People with allergies or asthma should reduce time outdoors.
🌅 Sun, moon and sea
Sunrise
05:12
Sunset
17:32
Golden hour
17:04
Daylight
12 h (+0 min vs yesterday)
Sea temperature
+32°
🌊 calm, waves 0.1 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
+32°
Normal for October
+31°
Deviation
1° warmer than normal
A year ago on this day
+31°
Record for this date
+37° (2023)
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”.