World Resorts Indonesia Surabaya Weather

Surabaya weather in December

Weather in Surabaya: December

Average day temperature: 90.3°F
Average night temperature: 78.9°F
Sea water temperature: 85.9°F
Number of sunny days: 8 days
Day length: 12.5 - 12.6 hours
Number of rainy days: 15 days
Precipitation totals: 7.0 in.

Air temperature in December, °F

Show year:
2024
2023
2022
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3
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7
9
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15
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19
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25
27
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0
15
30
45
60
75
90
105
120
Day temperature   
Night temperature

The highest day temperature during December of 2024 was 91°F. At the same time the lowest night temperature was 75°F. Day and night temperature averages during December were 86.8°F and 77.3°F.

Sea water temperature in Surabaya in December, °F

Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
80
82
84
86
88
90
92
94

The average sea water temperature in December of 2024 was 85.9°F. The highest and lowest sea temperatures during the month were 87.4°F and 85.1°F.

Sunny, partly cloudy and cloudy days
Sunny days
Partly cloudy days
Cloudy days
10%
61%
29%

Mostly all days in December are partly cloudy but sunny or cloudy days are also possible.

Precipitation total in December, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.4
2.9
4.3
5.7
7.2
8.6
10.0
3.6
1.7
1.2
1.8
4.5
7.0
8.3
7.3
6.3
3.6
1.7
1.2
1.8
4.5
7.0
8.3
7.3

Precipitation total value in Surabaya in December is 6.3 in. Other months of the year show relatively similar values.

Wind speed in December, mph
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.1
2.2
3.4
4.5
5.6
6.7
7.9
4.7
5.7
6.5
6.4
5.8
5.3
5.1
4.6
5.1
6.6
6.5
5.3
4.7
5.7
6.5
6.4
5.8
5.3
5.1
4.6
5.1
6.6
6.5

The average wind speed value in December is 5.3 mph

Average sunny hours
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
1.6
3.2
4.8
6.4
8.0
9.6
11.2
6.1
8.4
9.3
9.2
8.7
7.0
7.0
5.8
5.4
5.1
5.6
5.9
6.1
8.4
9.3
9.2
8.7
7.0
7.0
5.8
5.4
5.1
5.6

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.9.

Best time for vacation in Surabaya

Sunniest months:
August 27 days
September 27 days
July 25 days
Warmest months:
October 94.0 °F
September 93.1 °F
November 92.7 °F
Warmest sea temp:
November 86.7 °F
April 86.2 °F
December 85.9 °F
Coldest months:
February 88.2 °F
January 88.3 °F
March 89.6 °F
Rainiest months:
January 18 days
February 17 days
March 16 days
Windiest months:
January 6.9 mph
September 6.7 mph
August 6.6 mph

Surabaya on a weather map

Leaflet | Tiles © Esri
Places in Indonesia:
Name
°F
+75°F
+79°F
+79°F
+82°F
+82°F
+82°F
+82°F
+81°F
+82°F
+81°F
+73°F
+79°F
+82°F
+82°F
+81°F
24 Hours Forecast
Surabaya
Local time: 21:04
February 16, sunday
0000
77°F
SE
2 mph
0300
77°F
E
3 mph
0600
75°F
E
3 mph
0900
81°F
E
4 mph
1200
90°F
SE
7 mph
1500
90°F
S
9 mph
1800
84°F
S
9 mph
2100
79°F
SE
6 mph
Units of measurement: °C / °F