Contents
- Weather in October
- Frequently asked questions
- Average temperature in October
- Average pressure in October
- Average wind speed in October
- Average humidity in October
- Average rainfall in October
- Average rainfall days in October
- Average snowfall in October
- Average snowfall days in October
- Average sea temperature in October
- Average daylight in October
- Average sunshine in October
- Average sunshine days in October
- Average UV index in October
- Average cloud cover in October
- Average visibility in October
Weather in October
Temperature
In Istanbul, the average high-temperature in October slightly decreases from a moderately hot 24.3°C (75.7°F) in September to an enjoyable 19.4°C (66.9°F). The average low-temperature, in Istanbul, is 15.5°C (59.9°F).Humidity
In October, the average relative humidity in Istanbul is 73%.Rainfall
In Istanbul, in October, it is raining for 12.5 days, with typically 42mm (1.65") of accumulated precipitation. Throughout the year, in Istanbul, there are 130.7 rainfall days, and 400mm (15.75") of precipitation is accumulated.Snowfall
April through November are months without snowfall.Sea temperature
In October, the average sea temperature in Istanbul is 18.4°C (65.1°F).Note: Swimming in 18.4°C (65.1°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).
Daylight
In Istanbul, the average length of the day in October is 11h and 7min.On the first day of the month, sunrise is at 07:00 and sunset at 18:46. On the last day of October, in Istanbul, sunrise is at 07:33 and sunset at 18:01 +03.
Sunshine
In October, the average sunshine in Istanbul is 7.7h.UV index
In Istanbul, the average daily maximum UV index in October is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in October transform into the following instructions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
FAQ
What is the temperature in October in Istanbul?
What is the average humidity in October in Istanbul?
How much does it rain in Istanbul in October?
When it does not snow in Istanbul?
What is the sea water temperature in October in Istanbul?
How many hours of daylight does Istanbul have in October?
When is the sunrise / sunset in October in Istanbul?
How long on average sun shines in October in Istanbul?
How high is the UV index in October in Istanbul?
Average temperature in October
Istanbul, Turkey
- Average high temperature in October: 19.4°C
The warmest month (with the highest average high temperature) is July (27.9°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in October: 15.5°C
The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in October
Istanbul, Turkey
- Average pressure in October: 1018.1mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The month with the lowest atmospheric pressure is July (1011.7mbar).
Average wind speed in October
Istanbul, Turkey
- Average wind speed in October: 17.8km/h
The windiest month (with the highest average wind speed) is August (20.5km/h).
The calmest month (with the lowest average wind speed) is May (14km/h).
Average humidity in October
Istanbul, Turkey
- Average humidity in October: 73%
The month with the highest relative humidity is February (78%).
The months with the lowest relative humidity are June and July (67%).
Average rainfall in October
Istanbul, Turkey
- Average rainfall in October: 42mm
The wettest month (with the highest rainfall) is December (52mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in October
Istanbul, Turkey
- Average rainfall days in October: 12.5 days
The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is August (3.8 days).
Average snowfall in October
Istanbul, Turkey
- Average snowfall in October: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in October
Istanbul, Turkey
- Average snowfall days in October: 0 days
The month with the highest number of snowfall days is January (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in October
Istanbul, Turkey
- Average sea temperature in October: 18.4°C
The best month for swimming (with the highest average sea temperature) is August (24.9°C).
The coldest month (with the lowest average sea temperature) is February (7.8°C).
Average daylight in October /
Average sunshine in October
Istanbul, Turkey
- Average daylight in October: 11h and 7min
The month with the longest days is June (Average daylight: 15h and 5min).
The month with the shortest days is December (Average daylight: 9h and 17min).
- Average sunshine in October: 7h and 42min
The month with the most sunshine is July (Average sunshine: 11h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in October
Istanbul, Turkey
- Average sunshine days in October: 15.1 days
The month with the most sunshine days is August (25.5 days).
The month with the least sunshine days is February (12.6 days).
Average UV index in October
Istanbul, Turkey
- Average UV index in October: 4
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in October
Istanbul, Turkey
- Average cloud cover in October: 37
The month with the most cloud cover is January (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 12).
Average visibility in October
Istanbul, Turkey
- Average visibility in October: 10km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January and February (9km).
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