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Surabaja weather by month
Check out Surabaja weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in Surabaja (°F)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max temperature (daytime) | 88 |
88 |
90 |
90 |
90 |
88 |
88 |
90 |
90 |
93 |
91 |
90 |
| Min temperature (night-time) | 77 |
77 |
77 |
77 |
77 |
75 |
73 |
73 |
75 |
77 |
77 |
77 |
| Heat & Humidity | VH |
VH |
VH |
VH |
VH |
VH |
H |
H |
VH |
VH |
VH |
VH |
| Sea temperature | 84 |
82 |
84 |
86 |
84 |
84 |
82 |
82 |
82 |
84 |
86 |
84 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in Surabaja
| 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 Surabaja
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Number of days with some rain | 17 |
17 |
15 |
10 |
7 |
6 |
2 |
1 |
1 |
2 |
4 |
14 |
| Average monthly rainfall (inches) | 11.1 |
9.8 |
10.5 |
6.9 |
4.8 |
2.4 |
0.9 |
0.5 |
0.8 |
1.9 |
4.7 |
8.5 |
More about Surabaja
Surabaja by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Indonesia
Expires at 23:59 on Tuesday 2nd Dec 2025 · View all TUI offers
The climate guide for Indonesia (Surabaja) 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 Surabaja?
Surabaja has a hot tropical climate with a winter dry season.
Surabaja weather in January
Expect daytime maximum temperatures of 88°F in Surabaja, Indonesia in January and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 11.1 inches of rainfall in the month.
- 88°F max day temperature
88 - 7 hours of sunshine per day
- 17 days with some rainfall
17 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 11.1 inches of monthly rainfall
11.1 - 11+ (Extreme) UV index
11 - 84°F sea temperature
84
Surabaja weather in February
Expect daytime maximum temperatures of 88°F in Surabaja, Indonesia in February and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 17 days with some rainfall and typically 9.8 inches of rainfall in the month.
- 88°F max day temperature
88 - 7 hours of sunshine per day
- 17 days with some rainfall
17 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 9.8 inches of monthly rainfall
9.8 - 11+ (Extreme) UV index
11 - 82°F sea temperature
82
Surabaja weather in March
Expect daytime maximum temperatures of 90°F in Surabaja, Indonesia in March and very high heat and humidity based on long-term weather averages. There are 7 hours of sunshine per day on average with 15 days with some rainfall and typically 10.5 inches of rainfall in the month.
- 90°F max day temperature
90 - 7 hours of sunshine per day
- 15 days with some rainfall
15 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 10.5 inches of monthly rainfall
10.5 - 11+ (Extreme) UV index
11 - 84°F sea temperature
84
Surabaja weather in April
Expect daytime maximum temperatures of 90°F in Surabaja, Indonesia in April and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with 10 days with some rainfall and typically 6.9 inches of rainfall in the month.
- 90°F max day temperature
90 - 9 hours of sunshine per day
- 10 days with some rainfall
10 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 6.9 inches of monthly rainfall
6.9 - 11+ (Extreme) UV index
11 - 86°F sea temperature
86
Surabaja weather in May
Expect daytime maximum temperatures of 90°F in Surabaja, Indonesia in May and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.8 inches of rainfall in the month.
- 90°F max day temperature
90 - 9 hours of sunshine per day
- 7 days with some rainfall
7 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 4.8 inches of monthly rainfall
4.8 - 11 (Extreme) UV index
11 - 84°F sea temperature
84
Surabaja weather in June
Expect daytime maximum temperatures of 88°F in Surabaja, Indonesia in June and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 2.4 inches of rainfall in the month.
- 88°F max day temperature
88 - 10 hours of sunshine per day
- 6 days with some rainfall
6 - 75°F min night temperature
75 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 2.4 inches of monthly rainfall
2.4 - 10 (Very High) UV index
10 - 84°F sea temperature
84
Surabaja weather in July
Expect daytime maximum temperatures of 88°F in Surabaja, Indonesia in July and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 88°F max day temperature
88 - 11 hours of sunshine per day
- 2 days with some rainfall
2 - 73°F min night temperature
73 - 12 hours of daylight per day
12 - High heat & humidity
H - 0.9 inches of monthly rainfall
0.9 - 10 (Very High) UV index
10 - 82°F sea temperature
82
Surabaja weather in August
Expect daytime maximum temperatures of 90°F in Surabaja, Indonesia in August and high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 90°F max day temperature
90 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 73°F min night temperature
73 - 12 hours of daylight per day
12 - High heat & humidity
H - 0.5 inches of monthly rainfall
0.5 - 11+ (Extreme) UV index
11 - 82°F sea temperature
82
Surabaja weather in September
Expect daytime maximum temperatures of 90°F in Surabaja, Indonesia in September and very high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.
- 90°F max day temperature
90 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 75°F min night temperature
75 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 0.8 inches of monthly rainfall
0.8 - 11+ (Extreme) UV index
11 - 82°F sea temperature
82
Surabaja weather in October
Expect daytime maximum temperatures of 93°F in Surabaja, Indonesia in October and very high heat and humidity based on long-term weather averages. There are 10 hours of sunshine per day on average with typically 1.9 inches of rainfall in the month.
- 93°F max day temperature
93 - 10 hours of sunshine per day
- 2 days with some rainfall
2 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 1.9 inches of monthly rainfall
1.9 - 11+ (Extreme) UV index
11 - 84°F sea temperature
84
Surabaja weather in November
Expect daytime maximum temperatures of 91°F in Surabaja, Indonesia in November and very high heat and humidity based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 4.7 inches of rainfall in the month.
- 91°F max day temperature
91 - 9 hours of sunshine per day
- 4 days with some rainfall
4 - 77°F min night temperature
77 - 12 hours of daylight per day
12 - Very High heat & humidity
VH - 4.7 inches of monthly rainfall
4.7 - 11+ (Extreme) UV index
11 - 86°F sea temperature
86
Surabaja weather in December
Expect daytime maximum temperatures of 90°F in Surabaja, Indonesia in December 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 8.5 inches of rainfall in the month.
- 90°F max day temperature
90 - 8 hours of sunshine per day
- 14 days with some rainfall
14 - 77°F min night temperature
77 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 8.5 inches of monthly rainfall
8.5 - 11+ (Extreme) UV index
11 - 84°F sea temperature
84
More about Surabaja
Surabaja 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 (Surabaja) 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) | Imperial (°F)
More about Indonesia
Compare Surabaja with the UK
Below the Surabaja chart shows average maximum daytime temperature for Surabaja, Indonesia and the UK (London).
Maximum daytime temperature (°F)
Metric (°C) | Imperial (°F)
Compare more Surabaja weather >>
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