Annual mean 28°C · wettest around February · prevailing wind E
Warmest
32.7 °C
Coldest
30.3 °C
Wettest
94%
Windiest
4.2 m/s
Prevailing
E
3.4 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
never good
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Surabaya over the whole year is 28°C. October is the hottest month, with highs of about 33°C; July is the coldest, with lows of about 25°C. The rainy (wet) season in Surabaya runs from October to May, peaking in February with a 71% chance of rain on a given day. The dry season is September; September is the driest month, at 40%. Winds in Surabaya are highest in August, averaging 3.0 m/s (11 km/h), and lightest in April, at 2.0 m/s (7 km/h). The prevailing wind is from the E. The clearest skies in Surabaya come in August, when the sky is typically 36% covered; February is the cloudiest month, at 67%.
Month by month Surabaya climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
31°C
26°C
35°C
69%
67%
2.4 m/s
1
26
0
February
31°C
26°C
34°C
71%
67%
2.6 m/s
1
31
0
March
31°C
26°C
35°C
67%
63%
2.1 m/s
0
21
0
April
31°C
26°C
36°C
71%
56%
2.0 m/s
0
16
0
May
31°C
26°C
35°C
64%
48%
2.4 m/s
0
23
0
June
31°C
26°C
34°C
51%
45%
2.4 m/s
0
35
0
July
31°C
25°C
33°C
58%
39%
2.7 m/s
2
58
0
August
31°C
25°C
33°C
58%
36%
3.0 m/s
2
61
0
September
32°C
25°C
34°C
40%
38%
3.0 m/s
1
44
0
October
33°C
26°C
35°C
61%
45%
2.6 m/s
0
22
0
November
32°C
26°C
36°C
71%
59%
2.1 m/s
0
13
0
December
31°C
26°C
35°C
71%
65%
2.2 m/s
0
21
0
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Surabaya weather by season
Year round, Surabaya has days of about 31°C at their warmest in February, its coolest month, and 33°C in October, its warmest; the coolest hours of the day run from 25°C to 26°C through the year, and the average temperature over the year is 28°C around the clock. Rain is most likely around February and least likely around September. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Surabaya weather in winterJune to August
High 31°CLow 25°CRain 56%
Winter in Surabaya has typical daily highs of about 31°C and lows of about 25°C, with a 56% chance of rain on a given day.
Surabaya weather in springSeptember to November
High 32°CLow 26°CRain 58%
Spring in Surabaya has typical daily highs of about 32°C and lows of about 26°C, with a 58% chance of rain on a given day.
Surabaya weather in summerDecember to February
High 31°CLow 26°CRain 70%
Summer in Surabaya has typical daily highs of about 31°C and lows of about 26°C, with a 70% chance of rain on a given day.
Surabaya weather in autumnMarch to May
High 31°CLow 26°CRain 67%
Autumn in Surabaya has typical daily highs of about 31°C and lows of about 26°C, with a 67% chance of rain on a given day.
When is the rainy season in Surabaya?
The rainy (wet) season in Surabaya runs from October to May, peaking in February with a 71% chance of rain on a given day. The dry season is September; September is the driest month, at 40%.
What time of year is Surabaya windiest?
Winds in Surabaya are highest in August, averaging 3.0 m/s (11 km/h), and lightest in April, at 2.0 m/s (7 km/h). The prevailing wind is from the E.
What is the average temperature in Surabaya year round?
The average temperature in Surabaya over the whole year is 28°C. October is the hottest month, with highs of about 33°C; July is the coldest, with lows of about 25°C.