March weather forecast
Istanbul, Turkey

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Ships along the coast of the city port of Istanbul, Turkey
Ships along the coast of the city port of Istanbul, Turkey

Weather in March

Transitioning to spring, March becomes noticeably warmer, marking the end of Istanbul’s snowy season. Average high temperatures take an upwards turn to 11.8°C (53.2°F), making the city's ambiance pleasantly cool rather than outright cold. The longer daylight periods enable more outdoor time with enchanting sunsets, enhancing evenings with an undiluted charm. Slightly decreased humidity makes breathing more comfortable, a warm welcome to spring and the enhanced outdoor opportunity it brings. Istanbul embraces the early spring with blooming flowers, greener landscapes, and the charming sight of the sun glittering off the Bosphorus on increasing daylight hours.

Temperature

The shift into March reveals an average high-temperature of a cool 11.8°C (53.2°F), closely mirroring February's climate. Nighttime readings during March register a minimal drop from daytime highs, averaging at a frosty 7.4°C (45.3°F).

Humidity

The average relative humidity in March in Istanbul is 74%.

Rainfall

In Istanbul, in March, it is raining for 14.3 days, with typically 38mm (1.5") of accumulated precipitation. Throughout the year, in Istanbul, there are 130.7 rainfall days, and 400mm (15.75") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. March is the last month it regularly snows in Istanbul. During 0.5 snowfall days, in March, Istanbul aggregates 3mm (0.12") of snow. In Istanbul, during the entire year, snow falls for 7.1 days and aggregates up to 49mm (1.93") of snow.

Sea temperature

In Istanbul, in March, the average water temperature is 8.3°C (46.9°F).
Note: With an efficient thermal swimsuit, one can navigate 8.3°C (46.9°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Barely wading at 13°C (55.4°F) feels chilly.

Daylight

In March, the average length of the day in Istanbul, Turkey, is 11h and 58min.
On the first day of the month, sunrise is at 07:37 and sunset at 18:55. On the last day of March, in Istanbul, Turkey, sunrise is at 06:48 and sunset at 19:28 +03.

Sunshine

In March, the average sunshine is 7h.

UV index

The average daily maximum UV index in March in Istanbul is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In March, the maximum UV index of 4 transforms into these recommendations:
Undertake protective steps - Preventing sun damage is advised. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What is the average March temperature in Istanbul?

In March, in Istanbul, the average high-temperature is 11.8°C (53.2°F), and the average low-temperature is 7.4°C (45.3°F).

What is the average humidity in March in Istanbul?

In Istanbul, the average relative humidity in March is 74%.

How many days does it rain in March in Istanbul?

In Istanbul, Turkey, in March, during 14.3 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

What is the last month it snows in Istanbul?

March is the last month it regularly snows. During 0.5 snowfall days, in March, Istanbul aggregates 3mm (0.12") of snow.

What is the water temperature in March in Istanbul?

In March, the average sea temperature in Istanbul, Turkey, is 8.3°C (46.9°F). Swimming in 8.3°C (46.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

What is the average length of the day in March in Istanbul?

The average day length in March is 11h and 58min.

When are sunrise and sunset in March in Istanbul?

On the first day of March in Istanbul, sunrise is at 07:37 and sunset at 18:55. On the last day of the month, sunrise is at 06:48 and sunset at 19:28 +03.

How long on average sun shines in March in Istanbul?

In March, the average sunshine duration in Istanbul is 7h.

What is the UV index intensity in March in Istanbul?

The average daily maximum UV index in March is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in March
Istanbul, Turkey

Average temperature in March - Istanbul, Turkey
  • Average high temperature in March: 11.8°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 March: 7.4°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 March
Istanbul, Turkey

Average pressure in March - Istanbul, Turkey
  • Average pressure in March: 1016.2mbar

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 March
Istanbul, Turkey

Average wind speed in March - Istanbul, Turkey
  • Average wind speed in March: 17km/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 March
Istanbul, Turkey

Average humidity in March - Istanbul, Turkey
  • Average humidity in March: 74%

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 March
Istanbul, Turkey

Average rainfall in March - Istanbul, Turkey
  • Average rainfall in March: 38mm

The wettest month (with the highest rainfall) is December (52mm).
The driest month (with the least rainfall) is August (11mm).

Average rainfall days in March
Istanbul, Turkey

Average rainfall days in March - Istanbul, Turkey
  • Average rainfall days in March: 14.3 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 March
Istanbul, Turkey

Average snowfall in March - Istanbul, Turkey
  • Average snowfall in March: 3mm

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 March
Istanbul, Turkey

Average snowfall days in March - Istanbul, Turkey
  • Average snowfall days in March: 0.5 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 March
Istanbul, Turkey

Average sea temperature in March - Istanbul, Turkey
  • Average sea temperature in March: 8.3°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 March /
Average sunshine in March
Istanbul, Turkey

Average daylight in March / Average sunshine in March - Istanbul, Turkey
  • Average daylight in March: 12h and 0min

The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).

  • Average sunshine in March: 7h and 0min

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 March
Istanbul, Turkey

Average sunshine days in March - Istanbul, Turkey
  • Average sunshine days in March: 14.5 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 March
Istanbul, Turkey

Average UV index in March - Istanbul, Turkey
  • Average UV index in March: 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 March
Istanbul, Turkey

Average cloud cover in March - Istanbul, Turkey
  • Average cloud cover in March: 45

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 March
Istanbul, Turkey

Average visibility in March - Istanbul, Turkey
  • Average visibility in March: 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).

Istanbul, Turkey

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