Istanbul Weather

2025 (Full Year)

Average Temperature
19.6 °C
High
/
13.3 °C
Low
644.1mm
Rain Volume
38.1°C
Peak Temp
-3.7°C
Low Temp
365
Days Count

Seasonal Breakdown

Average temperatures and rainfall by season

Spring

92 days
17.7°C
Avg High
/
10.1°C
Avg Low
Rainfall
154.8mm

Summer

92 days
29.6°C
Avg High
/
21.6°C
Avg Low
Rainfall
5.1mm

Autumn

91 days
20.7°C
Avg High
/
15.6°C
Avg Low
Rainfall
237.2mm

Winter

90 days
10.1°C
Avg High
/
5.6°C
Avg Low
Rainfall
247.0mm

Seasons based on meteorological calendar: Spring (Mar-May), Summer (Jun-Aug), Autumn (Sep-Nov), Winter (Dec-Feb)

Temperature Trends

Daily high, low, and average

Weather Extremes

Most notable conditions during this period

Period High

38.1°C
Wednesday, July 23
avg daily high: 19.6°C

Coolest Day

1.4°C
Saturday, February 22
avg daily high: 19.6°C

Period Low

-3.7°C
Sunday, February 23
avg night low: 13.3°C
Progress 0%
0 / 0 years
Analyzing Historical Data

Analyzing 15 years of historical data...

Analysis Period

Years: 15
Location: Istanbul
Period: 2025-01-01 to 2025-12-31

Weather Insights

Key findings from analysis for selected period

Extreme Temperature Variations

Worth noting

Temperature extremes from -3.7°C to 38.1°C. 49 cold days and 5 very hot days.

📅

Seasonal Weather Patterns

Info
Rainfall Patterns:
Wettest: October (138mm), January (85mm)
Driest: July (0mm), June (2mm)

Temperature Patterns (Monthly Averages):
Hottest months: July (31.6°C), August (29.0°C)
Coolest months: February (7.0°C), January (11.1°C)

Travel Recommendations:
Best visiting months: May, September, October (optimal temperature and rainfall balance).
⚠️

11 Exceptional Weather Events (showing top 3)

Info

The 3 most extreme of 11 notable days in this period:

Jul 23 Heat

Hottest day: 38.1°C

Jul 9 Heat

Very hot day: 37.0°C

Jul 22 Heat

Very hot day: 36.5°C

6 Extreme Heat Index Days

Worth noting

6 days with dangerous heat index levels (43.7°C average). Temperature 34.4°C combined with 61% humidity creates hazardous conditions.

🌤️

Moderate Humidity Levels

Notable

Average humidity of 70% represents typical moderate moisture conditions. Generally comfortable range for most activities. Humidity varied significantly (27%-95% range).

📊

Highly Variable Humidity

Info

Large humidity swings (27%-95%) for a year. Conditions ranged from dry to very humid.

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Data accuracy and availability may vary by location and time period.

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