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Turkey

Sinop

Sun, sea & sand

Sinop at a glance

Best time
Jul – Aug
Warmest month
Aug · 27°
Warmest sea
Aug · 25.1°
Sunshine a year
1,790 h
Rain a year
749 mm
Climate
Temperate
Time zone
UTC+3
Elevation
100 m

Climate in Sinop

Sinop has a temperate climate with warm summers and cool winters. August is the warmest month with average highs of 27 °C, while January is the coolest at 9 °C. With around 1,790 hours of sunshine a year, Sinop is moderately sunny; July is the sunniest month with 8.7 hours a day.

Holiday weather through the year

Your holiday weather, at a glance

Weather in October

22

Holiday weather in October

Poor

Best time to visit: July – August

Good forSightseeing & walks

A typical day in October

  1. Morning, 08:00: about 14°
  2. Midday, 13:00: about 19°
  3. Afternoon, 16:00: about 19°
  4. Evening, 20:00: about 16°
  5. Night, 23:00: about 14°

06:5018:00

Cool evenings: pack a jumper or a jacket.

Estimated from the average high and low: coolest around sunrise, warmest in mid-afternoon.

Light for photos in October

Golden hour
Morning 06:33–07:28 · evening 17:22–18:17
Blue hour
Morning 06:22–06:33 · evening 18:17–18:28

Golden hour: the sun between 4° below and 6° above the horizon; blue hour: 6° to 4° below it. Times for the 15th of the month; mountains and clouds shift the light.

What is the weather like in Sinop in October?

In October, Sinop is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 19.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 79 mm in total. All in all, October is not an ideal month for a holiday in Sinop.

More details for October

Daylight
11 h 9 min06:50 – 18:00
UV index
4 · moderateclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
13 km/haverage daily peakAll months
Cloud cover
58 %on averageAll months
Hot days
0 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+3Europe/Istanbul

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %36 %
  • Sunshineweight 20 %17 %
  • Few rainy daysweight 20 %49 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in October

  • Wetsuit for longer swims
  • Sunscreen
  • A jumper for the evenings
  • Rain jacket or umbrella
Swimming calendar

Sea temperature in Sinop

Monthly sea surface temperature with the range of cooler and warmer years.

Sea in October19.5°Cfresh

8 in 10 years: 18.5 – 21.1 °C

Swimming season: Jun – Sep

  • cold
  • fresh
  • refreshing
  • pleasant
  • warm
  • very warm
OctoberMean sea temperature 19.5°8 in 10 years 18.5° – 21.1°
20°
Mean sea temperature8 in 10 years20 °C – comfortable for swimming

The sea temperature in Sinop ranges from 8.3 °C in February to 25.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to September.

From October to January the sea is even warmer than the afternoon air. The sea temperature varies from year to year: in August, eight out of ten years were between 23.9 and 26.0 °C.

Sea temperature by month
MonthAverageCool yearWarm yearFeels
JanuaryJan9.8°8.5°11.3°cold
FebruaryFeb8.3°7.1°9.6°cold
MarchMar8.3°7.3°9.5°cold
AprilApr10.1°9.2°10.9°cold
MayMay14.5°13.5°15.5°cold
JuneJun20.3°19.1°21.5°refreshing
JulyJul23.9°22.7°24.7°pleasant
AugustAug25.1°23.9°26.0°pleasant
SeptemberSep22.9°22.0°23.8°refreshing
OctoberOct19.5°18.5°21.1°fresh
NovemberNov15.7°14.5°17.0°cold
DecemberDec12.5°11.4°14.0°cold
Sunshine

Sunshine hours in Sinop

Average hours of bright sunshine per day, next to the length of the day. Tap a month to select it.

Per year
1,790 hours
Sunniest month
Jul · 8.7 h a day
Least sunshine
Dec · 1.8 h a day
OctoberSunshine 4.0 hDaylight 11.2 hShare of daylight 36 %
SunshineDaylight

In October, the sun shines for about 4.0 of 11.2 hours of daylight in Sinop, 36 % of the day.

Sunshine hours: measured at the weather station 1 km away, averages 1991–2020 (WMO climate normals). Daylight is the time from sunrise to sunset on the 15th of the month.

Sun protection

UV index in Sinop

How strong the sun is at noon, month by month, and how quickly unprotected skin burns.

Clear-sky UV in October
4 · moderateAround midday seek shade; use sunscreen, a hat and sunglasses.

The sun is strongest in June (UV 9).

Minutes until sunburn in October

Very fair skin
about 35 min
Fair skin
about 45 min
Light brown skin
about 65 min
Olive skin
about 80 min

Rough guide for unprotected skin at noon under a clear sky; clouds lengthen it, water, sand and snow shorten it. Sunscreen extends the time only partly.

Monthly values: clear-sky noon estimate from the sun's angle, ozone and altitude. UV today: Open-Meteo forecast.

Rain

Rain in Sinop: rainy days and rainfall

A rainy day is a day with at least 1 mm of rain or snow; the amount is what falls in the whole month. Tap a month to select it.

Per year
749 mm on 121 days
Wettest month
Mar · 91 mm
Driest month
Jul · 23 mm
OctoberRainy days 11Rainfall 79 mm

In October, Sinop has about 11 rainy days with 79 mm of rain in total.

Wind & clouds

Wind and clouds in Sinop

How breezy and how cloudy Sinop is through the year. Tap a month to select it on the whole page.

Wind

Typical daily peak of the wind in km/h: what the afternoon breeze usually reaches, not the gusts.

Year average
14 km/h · light breeze
Windiest month
Aug · 16 km/h
Calmest month
May · 13 km/h
OctoberWind 13 km/hBeaufort 3
20
WindBeaufort 4

In October, the wind in Sinop typically peaks at 13 km/h during the day: Beaufort 3, light breeze.

Breezy months for windsurfing and kiting

The daily breeze rarely reaches Beaufort 4 (20 km/h), so wind sports depend on single windy days.

Clouds

Average share of the sky covered by cloud, day and night.

Year average
52 % · variable cloud
Clearest month
Jul · 25 %
Cloudiest month
Feb · 68 %
OctoberCloud cover 58 %Sunshine 4.0 h

In October, cloud covers on average 58 % of the sky over Sinop: variable cloud, with about 4.0 hours of sunshine a day.

Wind: mean daily maximum of the hourly wind 10 m above ground (ERA5, 1996–2025). Gusts are stronger, and the model grid of about 28 km smooths out local effects such as capes and valley winds. Clouds: mean total cloud cover of all layers over day and night (ERA5, 1996–2025). Thin high cloud counts as cover even when the sun still shines through.

Heat & humidity

Heat and humidity in Sinop

How often the day gets hot in Sinop (30 °C and more), and in which months heat and humidity come together. Tap a month to select it.

Hot days a year
6 days
Hottest month
Aug · 27 °C
Hot months
none

Heat calendar

  • pleasant
  • some hot or muggy days
  • often muggy
  • often hot
  • hot and muggy
OctoberHot days (30 °C+) 0Day high 19 °C

In October, Sinop has about 0 hot days, with an average daytime high of 19 °C: pleasant. Heat plays no part this month.

Hot days reach at least 30 °C; a month counts as muggy when the mean dew point reaches 18 °C on at least 15 days. Averages from ERA5 and ERA5-Land, 1996–2025. Muggy nights through the year

Snow

Snow in Sinop

Snow is possible in Sinop, but no month makes it likely: the chance of seeing snow during a week's stay, the days with fresh snow and how much falls. Tap a month to select it.

Snow days a year
15 days
Fresh snow a year
68 cm
Snow possible
Dec – Mar

Snow calendar

  • hardly any
  • possible
  • likely
  • very likely
OctoberDays with fresh snow 0Fresh snow 0 cmChance of snow 0 / 100

In October, it hardly ever snows in Sinop.

Snow days bring at least 1 cm of fresh snow. Fresh snow comes from ERA5 snowfall (1996–2025) at the height of the place, not on the slopes above it; the snow chance also weighs whether the snow settles. An estimate from climate averages, not a snow report.

Climate through the year

Long-term monthly averages. Tap a month to see its details.

Best time to visit

Nights and sleep in Sinop

How warm the nights get in each month, from the mean night-time low. Tap a month for details.

  • Cold 0–8°
  • Cool 8–15°
  • Pleasant 15–20°
  • Warm 20–24°
  • muggy month (10+ muggy days)

CoolOctober: nights around 12°. A duvet at night and a jumper for the evening.

The coolest nights are in February (2°), the warmest in August (20°). Tropical nights of 20 °C and more are the rule in August; then air conditioning or a fan helps you sleep. Nights are pleasant for sleeping (15 to 20 °C) from June to July and in September. Nights fall below 8 °C on average from December to April, so the room should be heated. It is muggy (dew point 18 °C or more) on about 38 days a year, mostly from July to August.

Temperatures through the year

Average daytime high, night-time low and sea temperature per month.

OctoberDay 19°Night 12°Sea 20°
DayNightSea
MonthScoreDayNightSeaSunRain daysRain mm
JanuaryJan109°2°9.8°1.9 h1163
FebruaryFeb99°2°8.3°2.7 h1267
MarchMar711°4°8.3°3.7 h1591
AprilApr1415°7°10.1°5.2 h1379
MayMay2019°12°14.5°6.0 h1173
JuneJun6824°16°20.3°7.8 h955
JulyJul9727°19°23.9°8.7 h523
AugustAug9527°20°25.1°8.0 h529
SeptemberSep6923°16°22.9°6.1 h1060
OctoberOct2219°12°19.5°4.0 h1179
NovemberNov1415°8°15.7°2.8 h857
DecemberDec911°4°12.5°1.8 h1273

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences

42.03° N, 35.16° E · 100 m · Europe/Istanbul

Best time to visit

Best time to visit Sinop

The best time to visit Sinop is from July to August. For a beach holiday with the sea above 21 °C, go from July to September. For sightseeing, day trips and hiking, conditions are most comfortable from May to November. Rain is most frequent from March to April; the wettest month is March with 91 mm.

Sinop through the seasons

How the weather changes over the seasons, with averages for each.

Sinop in spring

Mar – May

14

Poor

  • 11–19 °C by day
  • Sea 11 °C
  • 5 h of sun a day
  • 39 rainy days in all

Sinop in summer

Jun – Aug

87

Excellent

  • 24–27 °C by day
  • Sea 23 °C
  • 8 h of sun a day
  • 19 rainy days in all

Sinop in autumn

Sep – Nov

35

Poor

  • 15–23 °C by day
  • Sea 19 °C
  • 4 h of sun a day
  • 29 rainy days in all

Sinop in winter

Dec – Feb

9

Poor

  • 9–11 °C by day
  • Sea 10 °C
  • 2 h of sun a day
  • 34 rainy days in all

Find your perfect month

Tell us what you like and we rate every month in Sinop for you.

Swimming in the sea
Sunshine
Little rain

Your best months: July – August

Based on the climate averages; tap a month to see its details.

Compare two months in Sinop

Pick two months to see how the weather differs. A tick marks the clearly better value; for temperatures it depends on your plans.

vs.

July has the better holiday weather in Sinop: score 97 against 22. In July, days are 8 °C warmer than in October. The sea is 4 °C warmer in July. July has 6 fewer rainy days. The sun shines 5 hours longer a day in July.

October vs. July, Sinop
MonthOctoberJuly
Weather score2297better
Day high19°27°
Night low12°19°
Sea19.5°23.9°
Sunshine4.0 h8.7 hbetter
Rainy days115better
Rainfall79 mm23 mmbetter
Muggy days0better14

Based on the climate averages 1996–2025.

Which month for what?

Beach & swimming

Jul – Sep

Sea from 21 °C, warm and mostly dry

Sightseeing & hiking

May – Nov

15–28 °C and not too much rain

Rainy months

Mar – Apr

12 or more rainy days

Snow

Dec – Mar

Snow on 2 or more days

Sinop month by month

The typical weather for every month at a glance.

10January9° · Sea 10° · 2 h

In January, Sinop is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 9.8 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 11 rainy days and 63 mm in total. Snow falls on about 4 days. All in all, January is not an ideal month for a holiday in Sinop.

Sinop in January
9February9° · Sea 8° · 3 h

In February, Sinop is cold: daytime highs average 9 °C, and nights cool down to about 2 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain is frequent, with about 12 rainy days and 67 mm in total. Snow falls on about 4 days. All in all, February is not an ideal month for a holiday in Sinop.

Sinop in February
7March11° · Sea 8° · 4 h

In March, Sinop is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sea averages 8.3 °C – swimming is only for the hardy. The sun is scarce, with only about 4 hours a day. It rains often – on about 15 days, adding up to 91 mm. Snow falls on about 3 days. All in all, March is not an ideal month for a holiday in Sinop.

Sinop in March
14April15° · Sea 10° · 5 h

In April, Sinop is cool: daytime highs average 15 °C, and nights cool down to about 7 °C. The sea averages 10.1 °C – swimming is only for the hardy. Expect around 5 hours of sunshine a day. Rain is frequent, with about 13 rainy days and 79 mm in total. All in all, April is not an ideal month for a holiday in Sinop.

Sinop in April
20May19° · Sea 15° · 6 h

In May, Sinop is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 14.5 °C – swimming is only for the hardy. Expect around 6 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 73 mm in total. All in all, May is not an ideal month for a holiday in Sinop.

Sinop in May
68June24° · Sea 20° · 8 h

In June, Sinop is warm: daytime highs average 24 °C, and nights cool down to about 16 °C. The sea averages 20.3 °C – refreshing for a swim. The sun shines for around 8 hours a day. Rain falls on about 9 days, adding up to 55 mm. All in all, June is a good month for a holiday in Sinop.

Sinop in June
97July27° · Sea 24° · 9 h

In July, Sinop is warm: daytime highs average 27 °C, and nights cool down to about 19 °C. The sea averages 23.9 °C – pleasant for swimming. The sun shines for around 9 hours a day. Rain is rare: about 5 days bring 23 mm in total. All in all, July is an excellent month for a holiday in Sinop.

Sinop in July
95August27° · Sea 25° · 8 h

In August, Sinop is hot: daytime highs average 27 °C, and nights cool down to about 20 °C. The sea averages 25.1 °C – pleasant for swimming. The sun shines for around 8 hours a day. Rain falls on about 5 days, adding up to 29 mm. The air is often humid and muggy. All in all, August is an excellent month for a holiday in Sinop.

Sinop in August
69September23° · Sea 23° · 6 h

In September, Sinop is warm: daytime highs average 23 °C, and nights cool down to about 16 °C. The sea averages 22.9 °C – refreshing for a swim. Expect around 6 hours of sunshine a day. Rain is frequent, with about 10 rainy days and 60 mm in total. All in all, September is a good month for a holiday in Sinop.

Sinop in September
22October19° · Sea 20° · 4 h

In October, Sinop is mild: daytime highs average 19 °C, and nights cool down to about 12 °C. The sea averages 19.5 °C – bracing, so a wetsuit helps for longer swims. Expect around 4 hours of sunshine a day. Rain is frequent, with about 11 rainy days and 79 mm in total. All in all, October is not an ideal month for a holiday in Sinop.

Sinop in October
14November15° · Sea 16° · 3 h

In November, Sinop is cool: daytime highs average 15 °C, and nights cool down to about 8 °C. The sea averages 15.7 °C – swimming is only for the hardy. The sun is scarce, with only about 3 hours a day. Rain falls on about 8 days, adding up to 57 mm. All in all, November is not an ideal month for a holiday in Sinop.

Sinop in November
9December11° · Sea 13° · 2 h

In December, Sinop is cool: daytime highs average 11 °C, and nights cool down to about 4 °C. The sea averages 12.5 °C – swimming is only for the hardy. The sun is scarce, with only about 2 hours a day. Rain is frequent, with about 12 rainy days and 73 mm in total. Snow falls on about 2 days. All in all, December is not an ideal month for a holiday in Sinop.

Sinop in December
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Sinop compared

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Sinop vs. Samsun

In October Samsun has the better holiday weather (score 27 vs. 22). During the day it is about as warm in Samsun as in Sinop. The sea is about equally warm. Samsun gets one more hour of sunshine a day.

Sinop vs. Samsun, in October
in OctoberSinopSamsun
Holiday score2227
Daytime high19°19°
Sea20°20°
Sunshine4 h5 h
Rainy days1111
Best timeJul – AugJun – Sep

Through the year

OctoberSinop 19°Samsun 19°
SinopSamsun
Go to Samsun
Ranking

Turkey in October: the best places

In October, Sinop ranks 30 among the 31 nearest destinations in this country.

  1. Mersin24°26°95
  2. 2Şanlıurfa26°94
  3. 3Alanya24°26°94
  4. 4Belek26°25°94
  5. 5Diyarbakır25°93
  6. 6Side25°25°93
  7. 7Konya20°92
  8. 8Antalya (Lara Beach)25°25°92
  9. 30SinopThis page19°20°22
All destinations: Turkey

Planning a trip to Sinop

Weather for your travel dates

Pick your arrival and length of stay, and we sum up the weather to expect.

Sinop in the school holidays

How the weather suits the usual holiday periods. Dates vary by school and region, so each holiday uses the months it usually falls in.

Sinop has its best school-holiday weather during the summer holidays (score 96) and its weakest during the Christmas holidays (score 10).

  • Easter holidays

    Mar – Apr

    12

    Poor

    • 14 °C by day
    • Sea 10 °C
    • 4.8 h of sun a day
    • 14 rainy days a month

    Keep in mind: Frequent rain, Snow

  • May half-term

    May – Jun

    30

    Poor

    • 20 °C by day
    • Sea 16 °C
    • 6.4 h of sun a day
    • 11 rainy days a month

    Good for: Sightseeing & walks

  • Summer holidays

    Jul – Aug

    96

    ExcellentBest holidays

    • 27 °C by day
    • Sea 25 °C
    • 8.2 h of sun a day
    • 5 rainy days a month

    Good for: Beach & swimming, Sightseeing & walks

  • October half-term

    Oct

    22

    Poor

    • 19 °C by day
    • Sea 20 °C
    • 4.0 h of sun a day
    • 11 rainy days a month

    Good for: Sightseeing & walks

  • Christmas holidays

    Dec – Jan

    10

    Poor

    • 10 °C by day
    • Sea 11 °C
    • 1.9 h of sun a day
    • 11 rainy days a month

    Keep in mind: Snow

Based on the climate averages 1996–2025.

Getting there

Flying from

Nonstop flight
about 4 h
Distance
2,880 km
Time zone
UTC+3
Jet lag
Hardly any (under 3 h)

Estimated from the straight-line distance: 30 minutes for take-off and landing plus 830 km/h cruising speed.

Frequently asked questions about Sinop

When is the best time to visit Sinop?

The best time to visit Sinop is from July to August. That is when the holiday weather score, which combines temperature, sea, sunshine and rain, is highest.

How warm is the sea in Sinop?

The sea temperature in Sinop ranges from 8.3 °C in February to 25.1 °C in August. It is warm enough for a comfortable swim (20 °C and more) from June to September.

Can you swim in Sinop in October?

Only if you don't mind cold water: in October the sea averages just 19.5 °C. Comfortable swimming is possible from June to September.

What is the warmest month in Sinop?

August is the warmest month, with average highs of 27 °C and nights around 20 °C. January is the coolest month at 9 °C.

When does it rain most in Sinop?

Rain is most frequent from March to April; the wettest month is March with 91 mm. The driest month is July with 23 mm.

How many hours of sunshine does Sinop get?

Sinop gets around 1,790 hours of sunshine a year. The sunniest month is July with 8.7 hours a day; in December there are 1.8 hours a day.

What time zone is Sinop in?

Sinop uses the time zone Europe/Istanbul, at UTC+3 all year.

How long is the flight from London to Sinop?

A nonstop flight from London to Sinop takes about 4 h, for a straight-line distance of about 2,880 km.

Which school holidays are best for Sinop?

Sinop has its best school-holiday weather during the summer holidays (score 96) and its weakest during the Christmas holidays (score 10). Holiday ratings (0–100): Easter holidays 12, May half-term 30, Summer holidays 96, October half-term 22, Christmas holidays 10.

Near Sinop

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Destinations whose weather through the year is closest to Sinop's – good alternatives.

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  2. 78% similar71İzmitTurkey20°20°Best time: May – Sep
  3. 74% similar33SokhumiGeorgia20°21°Best time: Jun – Sep
  4. 73% similar71SochiRussia19°21°Best time: May – Oct