Yearly weather

Calculations are based on the last 8 years of historical weather data.

Weather Score #

Heat Seeker Score is a composite score designed for those who crave hot, sunny weather with minimal rainfall. It prioritizes high temperatures and abundant sunshine.

Perfect for sun worshippers, beach lovers, and those seeking warm, dry climates for outdoor activities and relaxation.

Formula optimized for hot weather enthusiasts who prefer temperatures above 25°C (77°F) with maximum sun exposure and minimal precipitation.

Key factors in the calculation:

High temperatures: Favors locations with warm to hot daily highs
Abundant sunshine: Rewards areas with maximum daylight hours
Low precipitation: Penalizes frequent rain and wet conditions
Warm nights: Considers comfortable evening temperatures

Temperatures #

Istanbul experiences comfortable temperatures from May to October.
The months of January, February and March are the least comfortable with temperatures staying below 12°C.
The most comfortable months are June, July, August and September.

Maximum Temperatures

Minimum Temperatures

Maximum/minimum temperature averages are computed by averaging the max/min temperature of each day for a given period.

Conditions #

Istanbul experiences a notable increase in sun hours from winter to summer, with June recording the highest at 14.2 hours per day.
In contrast, precipitation levels are relatively low during the summer months, with minimal rainfall in June, July, and August, while January and December see higher precipitation, indicating a wetter winter season.
Overall, the city is characterized by a dry and sunny climate during the summer, balancing out with more cloudy and rainy conditions in the winter months.

Sunny Weather

Period	Istanbul
Jan	2.6 hours/day
Feb	3.8 hours/day
Mar	4.8 hours/day
Apr	7.0 hours/day
May	8.4 hours/day
Jun	10.0 hours/day
Jul	12.1 hours/day
Aug	11.2 hours/day
Sep	7.9 hours/day
Oct	6.0 hours/day
Nov	3.8 hours/day
Dec	2.8 hours/day
Average	6.7 hours/day

Sun hours are computed from the number of hours of direct sunlight. The length of the day can affect these measurements; for example, northern cities have longer days in summer.

Precipitation Levels

Average amount of precipitation that falls in a form of a rain, snow, sleet or hail.

Wind Speed

Humidity

Daylight Hours #

In Istanbul, the earliest sunrise occurs in June at 05:32, while the latest happens in January at 08:25, highlighting a significant variation based on the season.
The longest day is recorded in June with 15 hours and 4 minutes of daylight, contrasting sharply with December's shortest day at only 9 hours and 17 minutes.
Sunsets also show a substantial seasonal shift, with the latest sunset at 20:36 in June compared to the earliest at 17:38 in December.
Overall, Istanbul experiences a wide range of sunrise and sunset times throughout the year, resulting in considerable fluctuations in day length that align with the changing seasons.

Sunrise Time

Sunrise times are output in the local timezone of each place.

Sunset Time

Sunset times are output in the local timezone of each place.

Useful Day Length

Discards daylight hours before 7 AM. In places that are located to the west of the timezone, the sun rises and sets later compared to the cities that are located to the east. This means that the useful day length is longer in the cities located to the west of the time zone.

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