Measurements:
°C
°F
CURRENT WEATHER
08:39
Istanbul
38°F
E 6 mph
Feels like: 34°F
Precip: 62%
World Resorts Turkey Istanbul Weather

7 Day Weather Forecast

01.09
fri
DAY
42°F
E 12 mph
precip
0%
NIGHT
46°F
N 12 mph
precip
0%
01.10
sat
DAY
52°F
NE 16 mph
precip
100%
NIGHT
48°F
NE 22 mph
precip
100%
01.11
sun
DAY
38°F
S 15 mph
precip
100%
NIGHT
36°F
SW 13 mph
precip
100%
01.12
mon
DAY
36°F
SW 17 mph
precip
100%
NIGHT
34°F
S 14 mph
precip
0%
01.13
tue
DAY
36°F
SE 9 mph
precip
70%
NIGHT
36°F
NE 8 mph
precip
0%
01.14
wed
DAY
40°F
NE 10 mph
precip
0%
NIGHT
40°F
N 6 mph
precip
0%
01.15
thu
DAY
46°F
NE 7 mph
precip
0%
NIGHT
44°F
NE 6 mph
precip
0%

Istanbul Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Istanbul was 10.3°F. The maximum and minimum values were 9.6°F and 11.3°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 53.2 °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