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Semarang weather by month
Check out Semarang weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Semarang (°C)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 30 |
30 |
31 |
32 |
32 |
32 |
32 |
33 |
34 |
34 |
32 |
31 |
| Min temperature (night-time) | 22 |
23 |
23 |
23 |
23 |
22 |
21 |
21 |
22 |
23 |
23 |
22 |
| Heat & Humidity | H |
H |
H |
VH |
VH |
VH |
VH |
VH |
VH |
VH |
VH |
VH |
| Sea temperature | 29 |
28 |
29 |
29 |
29 |
29 |
28 |
28 |
28 |
29 |
30 |
29 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Semarang
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daily hours of sunshine | ||||||||||||
| Daily hours of daylight | 12 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
12 |
13 |
| UV Index (Maximum) | 11 |
11 |
11 |
11 |
11 |
10 |
10 |
11 |
11 |
11 |
11 |
11 |
Rainfall in Semarang
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 19 |
17 |
17 |
13 |
10 |
8 |
4 |
4 |
4 |
8 |
14 |
17 |
| Average monthly rainfall (mm) | 443 |
294 |
261 |
181 |
150 |
68 |
54 |
31 |
62 |
125 |
177 |
262 |
More about Semarang
Semarang by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Indonesia
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The climate guide for Indonesia (Semarang) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in Semarang?
Semarang has a hot tropical climate with a short dry season.
Semarang weather in January
Expect daytime maximum temperatures of 30°C in Semarang, Indonesia in January and high heat and humidity based on long-term weather averages. There are 5 hours of sunshine per day on average with 19 days with some rainfall and typically 443 mm of rainfall in the month.
- 30°C max day temperature
30 - 5 hours of sunshine per day
- 19 days with some rainfall
19 - 22°C min night temperature
22 - 12 hours of daylight per day
12 - High heat & humidity
H - 443 mm of monthly rainfall
443 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
Semarang weather in February
Expect daytime maximum temperatures of 30°C in Semarang, Indonesia in February and high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 294 mm of rainfall in the month.
- 30°C max day temperature
30 - 6 hours of sunshine per day
- 17 days with some rainfall
17 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 294 mm of monthly rainfall
294 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
Semarang weather in March
Expect daytime maximum temperatures of 31°C in Semarang, Indonesia in March and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 261 mm of rainfall in the month.
- 31°C max day temperature
31 - 6 hours of sunshine per day
- 17 days with some rainfall
17 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - High heat & humidity
H - 261 mm of monthly rainfall
261 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
Semarang weather in April
Expect daytime maximum temperatures of 32°C in Semarang, Indonesia in April and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 13 days with some rainfall and typically 181 mm of rainfall in the month.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 13 days with some rainfall
13 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 181 mm of monthly rainfall
181 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
Semarang weather in May
Expect daytime maximum temperatures of 32°C in Semarang, Indonesia in May and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 10 days with some rainfall and typically 150 mm of rainfall in the month.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 10 days with some rainfall
10 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 150 mm of monthly rainfall
150 - 11 (Extreme) UV index
11 - 29°C sea temperature
29
Semarang weather in June
Expect daytime maximum temperatures of 32°C in Semarang, Indonesia in June and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 68 mm of rainfall in the month.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 8 days with some rainfall
8 - 22°C min night temperature
22 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 68 mm of monthly rainfall
68 - 10 (Very High) UV index
10 - 29°C sea temperature
29
Semarang weather in July
Expect daytime maximum temperatures of 32°C in Semarang, Indonesia in July and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 54 mm of rainfall in the month.
- 32°C max day temperature
32 - 10 hours of sunshine per day
- 4 days with some rainfall
4 - 21°C min night temperature
21 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 54 mm of monthly rainfall
54 - 10 (Very High) UV index
10 - 28°C sea temperature
28
Semarang weather in August
Expect daytime maximum temperatures of 33°C in Semarang, Indonesia in August and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average.
- 33°C max day temperature
33 - 10 hours of sunshine per day
- 4 days with some rainfall
4 - 21°C min night temperature
21 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 31 mm of monthly rainfall
31 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
Semarang weather in September
Expect daytime maximum temperatures of 34°C in Semarang, Indonesia in September and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 62 mm of rainfall in the month.
- 34°C max day temperature
34 - 10 hours of sunshine per day
- 4 days with some rainfall
4 - 22°C min night temperature
22 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 62 mm of monthly rainfall
62 - 11+ (Extreme) UV index
11 - 28°C sea temperature
28
Semarang weather in October
Expect daytime maximum temperatures of 34°C in Semarang, Indonesia in October and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 125 mm of rainfall in the month.
- 34°C max day temperature
34 - 9 hours of sunshine per day
- 8 days with some rainfall
8 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 125 mm of monthly rainfall
125 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
Semarang weather in November
Expect daytime maximum temperatures of 32°C in Semarang, Indonesia in November and very high heat and humidity based on long-term weather averages. There are 8 hours of sunshine per day on average with 14 days with some rainfall and typically 177 mm of rainfall in the month.
- 32°C max day temperature
32 - 8 hours of sunshine per day
- 14 days with some rainfall
14 - 23°C min night temperature
23 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 177 mm of monthly rainfall
177 - 11+ (Extreme) UV index
11 - 30°C sea temperature
30
Semarang weather in December
Expect daytime maximum temperatures of 31°C in Semarang, Indonesia in December and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 262 mm of rainfall in the month.
- 31°C max day temperature
31 - 6 hours of sunshine per day
- 17 days with some rainfall
17 - 22°C min night temperature
22 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 262 mm of monthly rainfall
262 - 11+ (Extreme) UV index
11 - 29°C sea temperature
29
More about Semarang
Semarang by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Indonesia
- Save up to £300 on holidays (Jan 2026-Nov 2027)
- Book online with TUI Black Friday discount code
- Sign up to myTUI. Discount varies by spend. T&Cs apply
Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers
The climate guide for Indonesia (Semarang) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Indonesia
Compare Semarang with the UK
Below the Semarang chart shows average maximum daytime temperature for Semarang, Indonesia and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more Semarang weather >>
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