Best time to visit Istanbul

Q: When is the best time to visit Istanbul?

The best time to visit Istanbul is June, July and August based on the following average weather conditions. Maximum daytime temperature = 22 - 30°C. Daily hours of sunshine = 10 hours or more.

Q: Which is the hottest month in Istanbul?

The hottest time of year in Istanbul is normally July. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.

Q: Which month has the most rain in Istanbul?

In terms of rainfall, December is usually the wettest month in Istanbul with 126mm on average. There are normally 18 days in December with some rain.

Q: When is it sunniest in Istanbul?

The sunniest time of year in Istanbul is normally July with bright sunshine on average for 79% of daylight hours; that's 12 hours of sunshine per day.

Q: When is the sea warmest in Istanbul?

The sea is usually at its warmest in Istanbul in August when the water temperature reaches 24°C.

Find the best time to visit Istanbul and plan your perfect trip in 2025/2026. Get holiday inspiration, weather guides, travel advice and find great deals.

Istanbul by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Turkey

TUI: up to 8% off holidays booked online

Sale

Book online with TUI & save up to 8% on holidays
FREE child places available for select holidays
Pay £0 deposits with direct debit & spread the cost

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

When is the best time to visit Istanbul?

The best time to visit Istanbul is June, July and August based on the following average weather conditions.

Maximum daytime temperature = 22 - 30°C [remove]
Daily hours of sunshine = 10 hours or more [remove]

Change the criteria to reflect your weather preferences.

1
Jan
1.5
Feb
1.5
Mar
2
Apr
4.5
May
5
Jun
5
Jul
5
Aug
4.5
Sep
2.5
Oct
1
Nov
0.5
Dec

Change criteria

Max Day Temperature (°C)

8
Jan
9
Feb
11
Mar
16
Apr
21
May
25
Jun
27
Jul
27
Aug
24
Sep
19
Oct
15
Nov
11
Dec

Hours of Sunshine (daily)

5
Jan
6
Feb
6
Mar
8
Apr
10
May
11
Jun
12
Jul
10
Aug
9
Sep
6
Oct
5
Nov
4
Dec

Which is the hottest month in Istanbul?

The hottest time of year in Istanbul is normally July. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.

Which month has the most rain in Istanbul?

In terms of rainfall, December is usually the wettest month in Istanbul with 126mm on average. There are normally 18 days in December with some rain.

When is it sunniest in Istanbul?

The sunniest time of year in Istanbul is normally July with bright sunshine on average for 79% of daylight hours; that's 12 hours of sunshine per day.

When is the sea warmest in Istanbul?

The sea is usually at its warmest in Istanbul in August when the water temperature reaches 24°C.