Climate and average weather in Silivri

In Silivri, the summers are humid, warm, dry, and clear and the winters are cool, breezy, snowy, and partly cloudy.

Best: mid May to mid October

Over the course of the year, the temperature in Silivri typically varies from 5°C to 27°C, and is rarely below 0°C or above 30°C. August is the hottest month of the year, while January is the coldest.

Based on the travel score, the best time of year to visit Silivri for warm-weather activities is from mid May to mid October.

Hottest
Aug
27°
Coldest
Jan
Wettest
Dec
77 mm
Driest
Aug
11 mm
Rain / yr
523 mm
81 wet days
Daylight
9.0–15.0 h
shortest–longest
Elevation
9 m
41.1°N
Clearest
Jul
17% cloud

Silivri is district and town of Istanbul, Turkey.

Density
61/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Silivri weather by month, at a glance

The whole year in one picture — sky, rain, humidity, temperature and travel score. Click any band to jump to its full chart.

Each stripe is one measure across the whole year, stacked so a single day reads top to bottom. The sky band runs overcast grey on top down to clear blue at the base — more blue means sunnier — followed by the rainfall curve, the humidity band, a temperature strip that tints each stretch of the year by how warm its average high is, and the travel-score line at the foot. Scan straight down any date to read that day across every measure at once; the score climbs highest around mid May to mid October.

Temperature through the year

Average highAverage lowShaded bands: 10–90% of days

Daily average highs and lows in Silivri, from 1991–2020 of climate data. The shaded bands show the range most days fall in — 10th to 90th percentile.

The hot season lasts 3.6 months, from June 6 to September 22, with daily high temperatures above 23°C. The hottest month of the year in Silivri is August, with an average high of 27°C and low of 22°C.

The cool season lasts 3.9 months, from December 2 to March 30, with daily high temperatures below 12°C. The coldest month of the year in Silivri is January, with an average low of 5°C and high of 8°C.

Days typically run about 4°C warmer than nights year-round.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan85
Feb85
Mar106
Apr1410
May1915
Jun2419
Jul2722
Aug2722
Sep2419
Oct1915
Nov1411
Dec107

Average hourly temperature in Silivri

A compact picture of the whole year, hour by hour: each column is a day, each row an hour, and the color is the modeled average temperature. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

Read left to right for the day of the year and top to bottom for the hour of the day; the color is the modeled temperature, cool blues through to hot reds on the same scale as the other charts. A vertical slice is a single day's swing — coolest just before dawn, warmest in the mid-afternoon — while a horizontal slice follows one hour across the seasons. The darker overlay marks night and the lighter one the twilight around sunrise and sunset. Colors run warmest on August afternoons, near 27°C, and coldest before dawn in January, near C.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM

Silivri weather by month

Every month at a glance. Click a month for its detailed page.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 639.61.79.41.4
Feb / 589.21.610.41.5
Mar10° / 5890.611.72.5
Apr14° / 10°397013.14.5
May19° / 15°316014.36.9
Jun24° / 19°224.9014.98.2
Jul27° / 22°132.4014.78.5
Aug27° / 22°112.4013.68.4
Sep24° / 19°324.6012.38.3
Oct19° / 15°627.1010.96.6
Nov14° / 11°587.409.74.4
Dec10° / 7711.21.29.12.2

Chance of rain

How likely it is to rain on a typical day, and how that shifts across the wetter and drier seasons.

Silivri gets about 523 mm of precipitation a year. On a typical day the chance of rain is some rain, but that rises and falls sharply with the seasons.

The wetter season lasts 5.4 months, from around Nov 8 to Apr 19, peaking in December at about 38% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Jul 26.

December is the wettest month by volume, with 77 mm over about 11 wet days; August is the driest, with 11 mm. Some of the cold-season precipitation falls as snow.

0%10%20%30%40%50%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetDec 16 · 38%Jul 26 · 8%
Rain on a day (%)Rain days
Jan3110
Feb329
Mar309
Apr247
May196
Jun165
Jul82
Aug92
Sep145
Oct227
Nov267
Dec3611

Monthly rainfall

Over a full year, Silivri collects about 523 mm of rain across 81 wet days — roughly 44 mm in an average month.

It doesn’t fall evenly. December is the wettest month with 77 mm, while August is the driest at just 11 mm. The three wettest months alone bring about 39% of the year’s total, and some of the cold-season precipitation falls as snow.

0255075100JanFebMarAprMayJunJulAugSepOctNovDec635858393122131132625877
Rainfall (mm)Rain daysSnow days
Jan63102
Feb5892
Mar5891
Apr3970
May3160
Jun2250
Jul1320
Aug1120
Sep3250
Oct6270
Nov5870
Dec77111

Snow in Silivri

Average snowy days through the year, the snow-season span, and estimated snowfall — for ski trips and the perennial 'will there be snow at Christmas?' question.

Silivri averages about 5 snowy days a year. Snow season runs roughly Dec 5 to Mar 22 — about 3.6 months.

January is snowiest, with roughly 1.7 days of snow and an estimated 7 cm of snowfall. Over the year that adds up to an estimated 21 cm of snow.

01234JanFebMarAprMayJunJulAugSepOctNovDecsnow seasonJan 30
Snow daysSnowfall (cm)
Jan27
Feb27
Mar12
Apr00
May00
Jun00
Jul00
Aug00
Sep00
Oct00
Nov00
Dec15

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

How often the daytime sky is clear, partly cloudy or overcast.

In Silivri, the average share of the sky covered by clouds shows significant seasonal variation over the course of the year.

The clearer part of the year begins around May 5 and lasts for 5.3 months, ending around October 11. The clearest month is July, when the sky is clear, mostly clear, or partly cloudy 95% of the time on average.

The cloudier part of the year begins around October 12 and lasts for 6.7 months, ending around May 4. The cloudiest month is December, when it is overcast or mostly cloudy 65% of the time.

0%100%10%90%20%80%30%70%40%60%50%50%60%40%70%30%80%20%90%10%100%0%JanFebMarAprMayJunJulAugSepOctNovDecJul 27 · 97%Dec 24 · 34%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan3664
Feb3862
Mar4753
Apr5545
May6733
Jun8416
Jul955
Aug955
Sep8416
Oct6040
Nov4357
Dec3565

Daylight, sunrise and sunset

DaylightNight

Hours of daylight through the year, with sunrise and sunset times.

The gold band is daylight — sunrise runs along its lower edge, sunset along the upper — so it widens toward summer and pinches toward winter, with night the dark area above and below. The longest day, around June 19, brings about 15 hours of light; the shortest, around December 18, only 9 hours — a swing of roughly 6 hours.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan9.47:364:57
Feb10.47:115:33
Mar11.76:276:06
Apr13.15:346:40
May14.34:557:12
Jun14.94:397:35
Jul14.74:527:33
Aug13.65:217:01
Sep12.35:536:09
Oct10.96:265:18
Nov9.77:024:42
Dec9.17:314:35

Sunny days

How many genuinely sunny days each month brings — days the sky stays clear or mostly clear — banded into plain-language zones.

Silivri averages about 14 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 7 and 27 days.

The sunnier stretch runs 4.9 months, from around May 10 to Oct 4. The sunniest month is July, with roughly 27 sunny days (brilliant).

The greyest month is December, down near 7 sunny days — about 74% fewer than the July peak.

051015202530JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantJul 2727 daysDec 257 days
Sunny daysSky
Jan7Gloomy
Feb7Gloomy
Mar10Mixed
Apr12Mixed
May15Bright
Jun21Bright
Jul27Brilliant
Aug27Brilliant
Sep20Bright
Oct13Mixed
Nov9Mixed
Dec7Gloomy

Humidity comfort

DryComfortableHumidMuggyOppressiveMiserable

Share of days at each humidity comfort level, based on the dew point — the measure that tracks how muggy it actually feels.

Humidity comfort is graded by the dew point — the temperature at which the air would be fully saturated — because it tracks how muggy it actually feels far better than relative humidity does. A low dew point feels dry and crisp; a high one feels sticky and oppressive no matter the reading on a humidity gauge.

In Silivri, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 4.5 months, from around May 26 to October 8. The muggiest month is August, when the air feels humid, muggy or worse about 90% of the time.

The most comfortable stretch runs from around October 9 to May 25, and April is the most comfortable month — the air is dry or comfortable 100% of the time.

0%10%20%30%40%50%60%70%80%90%100%JanFebMarAprMayJunJulAugSepOctNovDecApr 12 · 100%Aug 2 · 4%oppressivehumidmuggycomfortabledrycomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan1000000
Feb1000000
Mar1000000
Apr973000
May50361410
Jun62543242
Jul19344511
Aug18284815
Sep182636191
Oct47331720
Nov8812100
Dec1000000

Wind

Average wind speed through the year, banded into plain-language speed zones so a number reads as 'breezy' or 'calm' without knowing the scale.

This is the average sustained wind speed at the standard 10 metres above open ground — the steady flow a weather station reports, not the sharper gusts that come and go, which can run half again as fast. It's the number that says whether a place is generally breezy or calm.

Across the year, average wind speed in Silivri is typically light breeze, near 17 km/h, and varies moderately with the seasons.

The windier part of the year lasts 5.4 months, from around Oct 9 to Mar 20. The windiest month is January, averaging about 20 km/h (light breeze).

The calmer part of the year runs from around Mar 21 to Jul 22, with May the calmest month at about 14 km/h.

0510152025JanFebMarAprMayJunJulAugSepOctNovDecwindiercalmerwindiercalmlight breezebreezyJan 31 · 20 km/hMay 30 · 14 km/h
Wind speed (km/h)Feels
Jan20light breeze
Feb19light breeze
Mar18light breeze
Apr15light breeze
May14light breeze
Jun14light breeze
Jul17light breeze
Aug19light breeze
Sep18light breeze
Oct18light breeze
Nov18light breeze
Dec20light breeze

Best time to visit Silivri

TravelBeach/poolTemperatureCloudsPrecipitation

To characterize how pleasant the weather is in Silivri throughout the year, we compute two travel scores — one for general sightseeing, one for beach and pool weather.

Around early October, Silivri is still near the tail of its best-weather window — great conditions with the peak-season crowds already thinning.

Inferred from the travel-score curve; month-by-month visitor numbers are a planned addition.

The travel score favors clear, rainless days with daytime highs between 18°C and 28°C. Based on this score, the best time of year to visit Silivri for general outdoor tourist activities is from mid May to mid October, with a peak score in the first week of July.

0246810JanFebMarAprMayJunJulAugSepOctNovDecbest timetravel scoretemperaturecloudsprecipitationJul 1 · 8.5

The travel score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

Travel score (0–10)Rating
Jan1.4poor
Feb1.5poor
Mar2.5poor
Apr4.5fair
May6.9good
Jun8.2ideal
Jul8.5ideal
Aug8.4ideal
Sep8.2ideal
Oct6.6good
Nov4.4fair
Dec2.2poor

The beach/pool score favors clear, rainless days with daytime highs between 24°C and 34°C. Based on this score, the best time of year to visit Silivri for hot-weather activities is from mid June to mid September, with a peak score in the first week of August.

024681012JanFebMarAprMayJunJulAugSepOctNovDecbest timebeach/pool scoretemperaturecloudsprecipitationAug 1 · 8.8

The beach/pool score (filled area), and its constituents: the temperature score (red line), the cloud cover score (blue line), and the precipitation score (green line).

What to pack for Silivri, by month

EssentialRecommendedOptional

Month by month, what's worth putting in the bag — from the temperature range, rain chance, sun and wind. Tap a month for a quick packing note.

For a warm-season trip around August (highs near 27°C), the essentials are light clothes and sun protection. In the cold season around January (highs near 8°C), pack a warm layer and rain gear.

Light clothing
Warm layer
Winter coat
Rain gear
Sun protection
Windbreaker

In August, Silivri sees daytime highs around 27°C and nights near 22°C. Pack light clothes and sun protection.

Sea temperature near Silivri

Average ocean temperature at the nearest coast, month by month, banded into swim-comfort zones — the other half of the beach question.

The sea at the nearest coast (about 24 km away) is warmest in August at about 25°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 7 to Oct 9 — about 4.1 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar9Bracing
Apr12Bracing
May17Cool
Jun22Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index (midday) in Silivri by month

LowModerateHighVery highExtreme

Clear-sky midday UV index through the year, shaded by the WHO exposure levels — how much sun protection each month calls for.

Under clear skies, the midday UV index in Silivri peaks around July 13 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJul 13UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep6High
Oct4Moderate
Nov2Moderate
Dec1Low

Average hourly UV index in Silivri

LowModerateHighVery highExtreme

Modeled clear-sky UV for every hour of every day — when in the day sun protection actually matters.

The whole year hour by hour: each column is a day, each row an hour, and the color is the modeled clear-sky UV index — the midday peak scaled down as the sun sits lower in the sky. Darker overlays mark night, lighter ones the civil-twilight hours around sunrise and sunset.

UV falls off far faster than brightness as the sun drops, so even in July the burn window is concentrated in the middle of the day: about 8.5 hours a day reach index 3 (protection recommended), and 5.5 hours reach 6 or more. Mornings and late afternoons stay comparatively gentle year round.

JanFebMarAprMayJunJulAugSepOctNovDec12 AM2 AM4 AM6 AM8 AM10 AM12 PM2 PM4 PM6 PM8 PM10 PM12 AM
UV ≥ 3 (h/day)UV ≥ 6 (h/day)
Jan00
Feb00
Mar3.50
Apr6.53
May7.53.5
Jun85
Jul8.55.5
Aug7.54.5
Sep62
Oct3.50
Nov00
Dec00

Air quality in Silivri by month

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see which months the air is worst, not just the yearly average.

Air quality in Silivri is worst in March — around 16 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (July, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2015 µg/m³Jul 189 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Moderate
Mar16Moderate
Apr15Moderate
May12Moderate
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Almanac & agriculture

Growing season

Chance of a frost-free dayReliably frost-free (≥90%)

Silivri is mild enough that a frost-free day stays more likely than not even in midwinter. Nights are reliably above freezing from about February 5 to January 26 (356 days); outside that window a hard frost is an occasional risk.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecreliably frost-freereliably frost-freeFeb 590%Jan 2690%
Frost-free chance (%)Frost nights
Jan933
Feb930
Mar990
Apr1000
May1000
Jun1000
Jul1000
Aug1000
Sep1000
Oct1000
Nov1000
Dec970

Growing degree days

Degree days (base 10°C)Frost-free shaded

Growing degree days tally heat above 10°C: each day adds however many degrees its average temperature runs over that threshold, and cold days add nothing. Silivri banks about 2,161 degree days a year, and the running total — which growers use to time plantings and predict maturity — climbs fastest around August.

05001,0001,5002,000JanFebMarAprMayJunJulAugSepOctNovDec
Growing degree days (°C·days)
Jan0
Feb0
Mar0
Apr59
May212
Jun351
Jul447
Aug459
Sep343
Oct218
Nov73
Dec0

Solar energy

Average daily shortwave solar energy reaching the ground, banded into brightness zones so the number means something at a glance.

Solar energy is how much sunlight actually reaches the ground each day, measured in kilowatt-hours per square metre (kWh/m²) — the combined effect of how long the sun is up, how high it climbs, and how much cloud gets in the way. It's the raw fuel a solar panel has to work with: for scale, 1 kWh/m² a day is dim and wintry, while 7+ is desert-bright.

Silivri receives about 4.2 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 1.5 and 7.0 kWh/m².

The brighter stretch of the year lasts 5.9 months, from around Mar 26 to Sep 22. The brightest month is June, averaging about 6.9 kWh/m² (intense).

The dimmest month is December, down near 1.5 kWh/m² — roughly 78% less than the June peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseJun 307.0 kWhDec 181.5 kWh
Solar energy (kWh/m²)Level
Jan1.8Dim
Feb2.6Moderate
Mar3.8Moderate
Apr5.3Bright
May6.3Intense
Jun6.9Intense
Jul7.0Intense
Aug6.1Intense
Sep4.6Bright
Oct3.0Moderate
Nov2.0Dim
Dec1.5Dim

Where is Silivri?

Silivri sits at 41.1°N, 28.2°E, 9 m above sea level, in Turkey. The nearest listed city is Kavaklı, 7.0 km away.

Topography around Silivri

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Silivri.

Within 3 km, the terrain around Silivri has only modest variations in elevation — a maximum elevation change of 110 m around an average of 22 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 257 m; within 80 km, large variations in elevation — a maximum elevation change of 858 m.

The land around Silivri is covered by water (41%), cropland (26%) and artificial surfaces (21%) within 3 km, water (44%) and cropland (37%) within 16 km, and water (54%) and cropland (20%) within 80 km.

3 km
110 m
16 km
257 m
80 km
858 m
treesgrasslandcroplandartificial surfacesbare terrainwater
Nearby: Kavaklı 7.0 km · Çatalca 19 km · Tepecik 26 km · Mimarsinan 27 km · Büyükçekmece 29 km · Çerkezköy 31 km · Gürpınar 32 km · Beylikdüzü 35 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Silivri (41.0739°, 28.2464°, elevation 9 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).