Measurements:
°C
°F
CURRENT WEATHER
16:37
Istanbul
50°F
S 7 mph
Feels like: 46°F
Precip: 0%
World Resorts Turkey Istanbul Weather

14 Day Weather Forecast

12.15
mon
DAY
50°F
SW 9 mph
precip
0%
NIGHT
46°F
SW 4 mph
precip
0%
12.16
tue
DAY
52°F
W 6 mph
precip
0%
NIGHT
46°F
W 8 mph
precip
0%
12.17
wed
DAY
54°F
W 10 mph
precip
0%
NIGHT
48°F
SW 4 mph
precip
0%
12.18
thu
DAY
54°F
SE 1 mph
precip
0%
NIGHT
48°F
SW 3 mph
precip
0%
12.19
fri
DAY
54°F
SW 6 mph
precip
0%
NIGHT
52°F
SW 9 mph
precip
27%
12.20
sat
DAY
54°F
SW 15 mph
precip
79%
NIGHT
50°F
SW 16 mph
precip
62%
12.21
sun
DAY
52°F
SW 17 mph
precip
77%
NIGHT
50°F
SW 14 mph
precip
0%
12.22
mon
DAY
54°F
SW 7 mph
precip
0%
NIGHT
48°F
SW 4 mph
precip
0%
12.23
tue
DAY
50°F
N 1 mph
precip
0%
NIGHT
50°F
S 3 mph
precip
29%
12.24
wed
DAY
50°F
S 12 mph
precip
0%
NIGHT
46°F
S 12 mph
precip
27%
12.25
thu
DAY
48°F
SW 13 mph
precip
75%
NIGHT
44°F
SW 9 mph
precip
46%
12.26
fri
DAY
46°F
S 11 mph
precip
0%
NIGHT
44°F
S 17 mph
precip
100%
12.27
sat
DAY
44°F
SW 16 mph
precip
100%
NIGHT
42°F
SW 7 mph
precip
0%
12.28
sun
DAY
44°F
NW 3 mph
precip
0%
NIGHT
42°F
NE 2 mph
precip
0%

Istanbul Sea Water Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Istanbul was 59.7°F. The maximum and minimum values were 57.6°F and 61.6°F respectively.

Istanbul on the Weather Map

Best Time to Visit Istanbul
The most sunny months:
July 28 days
August 28 days
June 22 days
The most warm months:
July 88.9 °F
August 88.5 °F
June 83.1 °F
Warmest sea temperature:
August 78.7 °F
July 77.3 °F
September 76.0 °F
The most cold months:
January 48.5 °F
February 49.8 °F
December 53.3 °F
The most rainy months:
January 5 days
December 4 days
February 3 days
The most windy months:
August 14 mph
July 12 mph
September 12 mph
more details
Turkey Resorts:
NAME
F°
Alanya +56
Antalya +54
Avsallar +56
Beldibi +56
Belek +58
Bodrum +58
Fethiye +56
Istanbul +50
Kas +48
Kemer +56
Konakli +56
Marmaris +54
Mersin +58
Okurcalar +56
Side +56
all resorts
24 Hours Weather Forecast
Istanbul
Local time: 16:37
15 dec, monday
1800 50°F
S
7 mph
2100 46°F
S
4 mph
16 dec, tuesday
0000 46°F
SW
4 mph
0300 44°F
SW
4 mph
0600 44°F
SW
3 mph
0900 46°F
W
4 mph
1200 52°F
W
6 mph
1500 54°F
SW
8 mph