City by Month

Istanbul in March

In March, Istanbul has 74.1 mm (2.92 in) of rain, a daily high of 12.2 °C (54.0 °F) and a daily low of 5.3 °C (41.5 °F), as 1991-2020 model estimates; figures in brackets are converted. The daily high is a model estimate, adjusted against station records.

Last updated : back, with ERA5-Land model estimates.

Best time to visit Istanbul: March misses our rule: days are 3.8 °C under our 16 °C and nights are 2.7 °C under our 8 °C (model estimates). Expect 8.5 rain days (model estimate) and days that grow by 1 h 22 min.

What March is like in Istanbul

How we choose these portraits

Key figures

Weather in March, 1991-2020 model estimates

Daily high
12.2 °C (54.0 °F)
Daily low
5.3 °C (41.5 °F)
Rain
74.1 mm (2.92 in) in the month
Sunshine
no data

Model estimate 1991-2020, not a weather station: ERA5-Land model estimates (Copernicus), computed by City by Month for the grid cell nearest the city. Daily high and Days with rain: model estimate, adjusted against station records. Licence: CC BY 4.0. Checked . How we make and test model estimates

Model estimate for the ERA5-Land grid cell at 41.0° N, 29.0° E, 4 km from the city centre point.

How we define and convert these figures

Notes. Sunshine: Not in our ERA5-Land estimates.

Daylight on 15 March 2026

Sunrise
07:16 local time
Sunset
19:11 local time
Day length
11 h 54 min

Day length 1-31 March: 11 h 16 min to 12 h 38 min, +1 h 22 min.

How we compute daylight

Source: NOAA Solar Calculator equations, checked .

Month by month

Each month: daily high in °C, then rain in mm, 1991-2020 model estimates.

ERA5-Land model estimates 1991-2020, as above, checked .

This month against the year

Istanbul: March ranked against the 12 months
MeasureMarchRank
Daily high12.2 °C4th coldest
Daily low5.3 °C3rd coldest
Rain74.1 mm4th wettest
Sunshineno datano data
Day length11 h 54 min6th shortest

Equal values share a rank. How we rank months

Istanbul in March, on average: 8.5 rain days (1 mm or more). Model estimate, adjusted against station records.

ERA5-Land model estimates 1991-2020, as above, checked .

Day length: NOAA solar equations, checked .

Public holidays this month

Istanbul: public holidays in March 2026
DateHoliday
ThursdayEid al-Fitr (from 1pm)
FridayEid al-Fitr (Day 1)
SaturdayEid al-Fitr (Day 2)
SundayEid al-Fitr (Day 3)
Istanbul: public holidays in March 2027
DateHoliday
MondayEid al-Fitr (from 1pm)
TuesdayEid al-Fitr (Day 1)
WednesdayEid al-Fitr (Day 2)
ThursdayEid al-Fitr (Day 3)

Typed from the official lists for 2026 and 2027 and re-checked, .

English names are from the holidays library where the official list gives none. How we check holidays

Source: Official public holiday list (vakithesaplama.diyanet.gov.tr) for 2026 and 2027, checked ; holidays Python library, checked . Library: holidays 0.105.

Same month in 8 model-estimate cities

Istanbul is the coolest of our 8 model-estimate cities in March by mean daily high. How we rank cities

Closest high and low in March: Porto (4.2 °C apart), Lisbon (5.9), Melbourne (10.3).

March in 8 model-estimate cities: daily high and low, monthly rain, 1991-2020 model estimates. Bars: high and low share one scale, coldest to warmest city; rain starts at zero.
CityGap from Istanbul, °CHigh, °CLow, °CRain, mmSunshine, hours
Istanbul (this page)—12.25.374.1no data
Porto (closest)4.217.78.2109.4no data
Lisbon (closest)5.918.111.253.8no data
Melbourne (closest)10.324.513.539.4no data
Sydney13.225.318.580.4no data
Delhi14.230.615.2no datano data
Mumbai19.033.422.0no datano data
Bangkok21.434.525.7no datano data

Sources (1991-2020): ERA5-Land model estimates, checked . Each city's page names its grid cell. All sources in full on Methodology.

All cities in March

Sources

Official sources

Cite this page: City by Month. "Istanbul in March: weather, daylight, holidays". https://citybymonth.com/cities/turkey/istanbul/march/. Last updated 8 November 2026.