Planning a trip to Istanbul in April? You are in luck! The weather is generally good, with an average maximum temperature of +59°F and approximately 12 sunny days. Just be prepared for some rain, as there are usually around 10 rainy days and 41 mm of precipitation. Expect good weather and pack accordingly to enjoy the outdoors. Search flightsin one click on Avionero.
Average weather
☀️
+59°F
Avg. max. temperature
+34°F
Min.
+82°F
Max.
41 mm
Total precipitation
69%
Avg. humidity
3 m/s
Avg. wind
12 ☀️
Sunny Days
7 ⛅️
Cloudy
10 🌦
Rainy
Our opinion: Istanbul has good weather in April.
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Average temperature in Istanbul in April
Here are the expected maximum, average and minimum temperatures in Istanbul for April based on the historical data.
Last Year
Historical Data
Going from a maximum of +68°F during the day to a minimum of +45°F during the night, the temperature in April averages around +59°F.
The average maximum temperature goes down 8% by the end of the month, compared with the beginning of the month, from +63°F to +61°F.
Is Istanbul warm or cold in April?
Istanbul is typically mild in April.
Maximum temperatures go up compared to the previous month from +52°F to +59°F. The minimum temperature also goes up from +43°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how April is compared to other months in Istanbul:
Water temperature in Istanbul in April
Water in Istanbul in April is Cold. It varies from +46°F to +56°F, with an average of +51°F.This is almost similar to the air temperature, which averages +59°F.
In April, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Istanbul are reached in August, when the average sea temperature rises to +77°F. The coldest water temperatures are in February, with an average of +46°F.
Can you swim in Istanbul in April?
We would not recommend swimming in Istanbul in April, the water is very cold (+51°F on average). Consider swimming only if you are an experienced cold-water swimmer with proper gear.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
You will need a full-body wetsuit, cap, gloves, a warm change of clothes, and a hot drink ready for after your swim.
Climate in Istanbul in April
Istanbul weather looks like this, on average, in April and the surrounding months.
March
April
May
Avg. temperature
+52°F
+59°F
+68°F
Min. temperature
+25°F
+34°F
+43°F
Max. temperature
+77°F
+82°F
+93°F
Rainfall
54 mm
41 mm
26 mm
Wind
4 m/s
3 m/s
3 m/s
Avg. water temperature
+47°F
+51°F
+60°F
Humidity
73%
69%
69%
Air pressure
1016 HPa
1013 HPa
1013 HPa
Sunny days
9
12
15
Cloudy days
8
7
6
Rainy days
12
10
8
Snowy days
1
0
0
April weather is still as good as in March.It’s getting warmer as April arrives. The average maximum temperature goes up from +52°F to +59°F during the day.As April arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 54 mm to 41 mm.It feels drier, as humidity decreases from 73% to 69%.Winds are calmer in comparison to March, going down from 4 m/s to 3 m/s on average.The good news is there are likely to be more sunny days in April, from 9 to 12.
May brings much the same weather, it remains good.
Wind speed in Istanbul in April based on historical data.
Last Year
Historical Data
The average wind speed is 3 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Istanbul is gradually decreasing during April, going from 4 m/s to 3 m/s over the course of the month.
Rain
Amount of rainfall in mm during April in Istanbul based on historical data.
Last Year
Historical Data
Typically, there is a 60% chance of rain on an average day in April, with total rainfall of approximately 105 mm. The maximum amount of rainfall per day is around 20 mm, which is considered light rain.April is a pretty wet month with over 18 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how April is compared with other months in the amount of precipitation, total mm:
Istanbul wettest month is December, where a typical day has a 45% chance of precipitation and 81 mm of rainfall per day. August, on the other hand, is the driest month with a mere 16% chance of precipitation and 14 mm of rainfall per day.
How was the weather last April in Istanbul?
This is the weather in Istanbul in April 2023:
1 April
☀️
+63°F
2 April
🌧️
+59°F
3 April
🌧️
+61°F
4 April
🌧️
+57°F
5 April
🌧️
+50°F
6 April
☁️
+54°F
7 April
🌧️
+51°F
8 April
☀️
+56°F
9 April
☁️
+55°F
10 April
🌧️
+50°F
11 April
🌧️
+52°F
12 April
🌧️
+53°F
13 April
☀️
+60°F
14 April
☀️
+68°F
15 April
☀️
+66°F
16 April
☁️
+66°F
17 April
☀️
+61°F
18 April
☁️
+57°F
19 April
🌫️
+57°F
20 April
☁️
+58°F
21 April
☀️
+60°F
22 April
☀️
+61°F
23 April
☁️
+59°F
24 April
☀️
+61°F
25 April
☁️
+66°F
26 April
☁️
+61°F
27 April
🌧️
+54°F
28 April
☀️
+55°F
29 April
☀️
+56°F
30 April
☀️
+61°F
In April 2023 Istanbul had 12 sunny days, 8 cloudy days, and 9 rainy days. The average maximum temperature was +59°F, with an absolute maximum of +68°F and a minimum of +50°F. The average humidity was 81%, with a maximum of 100% and a minimum of 56%. The average wind speed was 3 m/s, with a maximum of 11 m/s and a minimum of 0 m/s.
Are you planning a trip in April?
Climate Change Over the Years
This is how Istanbul climate has changed over the last 43 years.
The climate in Istanbul in April has not changed that much over the last 43 years.
The average temperature was the lowest in 1997 (+61°F) and the highest in 2019 (+68°F). The driest year was 1984 with only 361 mm of rainfall, and the wettest year was 2010 with 859 mm.
FAQ
Frequently asked questions about the weather in Istanbul in April:
Is April a good time to visit Istanbul?
April is a really good time to go to Istanbul. The weather is nice so plan your packing around outdoor activities and exploring. Check out other good time to visit Istanbul.
Can you sunbathe in Istanbul in April?
April has mild temperatures in Istanbul. Not ideal for sunbathing, but still good for daytime outdoor activities, but plan for cool evenings. Pack a light jacket and shorts!
Can you swim in Istanbul in April?
Swimming in Istanbul in April is challenging and not recommended for inexperienced swimmers or without proper equipment and preparation.
Is Istanbul rainy in April?
Istanbul is usually dry in April. Plan your packing around outdoor activities and exploring.
Is it sunny in Istanbul in April?
The amount of sunny days in Istanbul during April varies; prepare for a mix of clouds and sun.
For this page, we’ve looked at the typical weather in Istanbul, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
