Climate and average weather in Mudanya

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

Best: mid May to mid October

Over the course of the year, the temperature in Mudanya typically varies from 4°C to 27°C, and is rarely below -1°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 Mudanya for warm-weather activities is from mid May to mid October.

Hottest
Aug
27°
Coldest
Jan
Wettest
Dec
106 mm
Driest
Jul
22 mm
Rain / yr
769 mm
106 wet days
Daylight
9.1–14.9 h
shortest–longest
Elevation
1 m
40.4°N
Clearest
Jul
18% cloud

Mudanya is district of Bursa, northwestern Turkey.

Density
69/km²
people per km²

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

Mudanya 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 Mudanya, 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 23, with daily high temperatures above 23°C. The hottest month of the year in Mudanya is August, with an average high of 27°C and low of 21°C.

The cool season lasts 3.8 months, from December 1 to March 25, with daily high temperatures below 12°C. The coldest month of the year in Mudanya is January, with an average low of 4°C and high of 8°C.

Days typically run about 5°C warmer than nights year-round.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDec
Avg high (°C)Avg low (°C)
Jan84
Feb94
Mar116
Apr159
May2014
Jun2418
Jul2721
Aug2721
Sep2418
Oct1915
Nov1510
Dec106

Average hourly temperature in Mudanya

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

Mudanya 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 / 9412.74.49.41.4
Feb / 80123.610.41.7
Mar11° / 8311.51.711.72.7
Apr15° / 619.70.3134.7
May20° / 14°487.5014.26.9
Jun24° / 18°416.7014.87.9
Jul27° / 21°224.1014.68.2
Aug27° / 21°253.2013.68.3
Sep24° / 18°536.5012.38.0
Oct19° / 15°819.3010.96.4
Nov15° / 10°789.60.69.84.4
Dec10° / 10612.73.19.22.2

Chance of rain

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

Mudanya gets about 769 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 5.3 months, from around Nov 12 to Apr 22, peaking in December at about 43% chance on a given day. The drier stretch runs the rest of the year, bottoming out around Aug 5.

December is the wettest month by volume, with 106 mm over about 13 wet days; July is the driest, with 22 mm. Some of the cold-season precipitation falls as snow.

0%10%20%30%40%50%JanFebMarAprMayJunJulAugSepOctNovDecwetterdrierwettermostly drysome rainoften wetvery wetDec 30 · 43%Aug 5 · 10%
Rain on a day (%)Rain days
Jan4013
Feb4212
Mar3812
Apr3210
May248
Jun227
Jul134
Aug113
Sep207
Oct309
Nov3310
Dec4213

Monthly rainfall

Over a full year, Mudanya collects about 769 mm of rain across 106 wet days — roughly 64 mm in an average month.

It doesn’t fall evenly. December is the wettest month with 106 mm, while July is the driest at just 22 mm. The three wettest months alone bring about 37% of the year’s total, and some of the cold-season precipitation falls as snow.

0255075100125JanFebMarAprMayJunJulAugSepOctNovDec9480836148412225538178106
Rainfall (mm)Rain daysSnow days
Jan94134
Feb80124
Mar83122
Apr61100
May4880
Jun4170
Jul2240
Aug2530
Sep5370
Oct8190
Nov78101
Dec106133

Snow in Mudanya

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.

Mudanya averages about 14 snowy days a year. Snow season runs roughly Nov 14 to Apr 11 — about 4.9 months.

January is snowiest, with roughly 4 days of snow and an estimated 18 cm of snowfall. Over the year that adds up to an estimated 71 cm of snow.

0246JanFebMarAprMayJunJulAugSepOctNovDecsnow seasonsnow seasonJan 30
Snow daysSnowfall (cm)
Jan418
Feb423
Mar211
Apr01
May00
Jun00
Jul00
Aug00
Sep00
Oct00
Nov12
Dec317

Clouds and sunshine

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

In Mudanya, 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 13. The clearest month is August, when the sky is clear, mostly clear, or partly cloudy 94% of the time on average.

The cloudier part of the year begins around October 14 and lasts for 6.7 months, ending around May 4. The cloudiest month is December, when it is overcast or mostly cloudy 63% 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 29 · 96%Jan 1 · 34%clearmostly clearpartly cloudymostly cloudyovercastcloudierclearercloudier
Clearer (%)Cloudier (%)
Jan3763
Feb3763
Mar4555
Apr5149
May6733
Jun8218
Jul946
Aug946
Sep8218
Oct6040
Nov4654
Dec3763

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 15, brings about 14 h 54 min of light; the shortest, around December 14, only 9 h 06 min — a swing of roughly 5 h 48 min.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJanFebMarAprMayJunJulAugSepOctNovDec
Daylight (h)Sunrise (AM)Sunset (PM)
Jan9.47:314:56
Feb10.47:075:31
Mar11.76:246:04
Apr13.05:336:37
May14.24:547:08
Jun14.84:397:31
Jul14.64:527:29
Aug13.65:206:57
Sep12.35:516:07
Oct10.96:225:17
Nov9.86:584:41
Dec9.27:274:35

Sunny days

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

Mudanya averages about 15 sunny days a month — counting the days the sky stays clear or mostly clear — with a clear seasonal swing between 6 and 27 days.

The sunnier stretch runs 5.0 months, from around May 7 to Oct 6. The sunniest month is July, with roughly 26 sunny days (brilliant).

The greyest month is December, down near 7 sunny days — about 73% fewer than the July peak.

051015202530JanFebMarAprMayJunJulAugSepOctNovDecgreyersunniergreyergloomymixedbrightbrilliantJul 2927 daysDec 266 days
Sunny daysSky
Jan8Gloomy
Feb7Gloomy
Mar9Mixed
Apr11Mixed
May16Bright
Jun21Bright
Jul26Brilliant
Aug26Brilliant
Sep20Bright
Oct13Mixed
Nov10Mixed
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 Mudanya, how humid it feels changes dramatically over the year.

The more humid part of the year lasts 4.4 months, from around May 28 to October 7. The muggiest month is August, when the air feels humid, muggy or worse about 89% of the time.

The most comfortable stretch runs from around October 8 to May 27, 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 4 · 100%Aug 4 · 6%oppressivemuggyhumidcomfortabledrycomfortablehumidcomfortable
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
Jan1000000
Feb1000000
Mar1000000
Apr973000
May50381200
Jun62943210
Jul11238427
Aug21034459
Sep172938150
Oct49331620
Nov946000
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 Mudanya is typically calm, near 11 km/h, and varies little with the seasons.

The windier part of the year lasts 2.6 months, from around Jul 5 to Sep 22. The windiest month is August, averaging about 13 km/h (light breeze).

The calmer part of the year runs from around Mar 17 to Jul 4, with May the calmest month at about 9 km/h.

05101520JanFebMarAprMayJunJulAugSepOctNovDeccalmerwindiercalmercalmlight breezeAug 14 · 13 km/hMay 27 · 9 km/h
Wind speed (km/h)Feels
Jan12light breeze
Feb12light breeze
Mar11calm
Apr10calm
May9calm
Jun10calm
Jul12calm
Aug13light breeze
Sep12calm
Oct11calm
Nov11calm
Dec12light breeze

Best time to visit Mudanya

TravelBeach/poolTemperatureCloudsPrecipitation

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

Around early October, Mudanya 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 Mudanya 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 3 · 8.3

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
Feb1.7poor
Mar2.8poor
Apr4.7fair
May6.9good
Jun7.9ideal
Jul8.2ideal
Aug8.2ideal
Sep8.0ideal
Oct6.4good
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 Mudanya 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 5 · 8.6

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 Mudanya, 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, Mudanya sees daytime highs around 27°C and nights near 21°C. Pack light clothes and sun protection. About 3 days see rain.

Sea temperature near Mudanya

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

The sea offshore is warmest in August at about 24°C and coldest in February near 8°C.

It's comfortable for a long swim from Jun 11 to Oct 6 — about 3.9 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan9Bracing
Feb8Bracing
Mar9Bracing
Apr12Bracing
May16Cool
Jun21Refreshing
Jul23Refreshing
Aug24Warm
Sep22Refreshing
Oct19Cool
Nov15Cool
Dec12Bracing

UV index (midday) in Mudanya 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 Mudanya peaks around August 10 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateVery highModerateLowAug 10UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr8Very high
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Average hourly UV index in Mudanya

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 August the burn window is concentrated in the middle of the day: about 7.5 hours a day reach index 3 (protection recommended), and 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
Apr73.5
May7.53.5
Jun8.55
Jul85
Aug7.55
Sep6.52.5
Oct3.50
Nov00
Dec00

Air quality in Mudanya 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 Mudanya is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (December, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 2317 µg/m³Dec 1810 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar18Moderate
Apr17Moderate
May17Moderate
Jun13Moderate
Jul11Good
Aug11Good
Sep10Good
Oct11Good
Nov12Good
Dec10Good
Almanac & agriculture

Growing season

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

Mudanya is mild enough that a frost-free day stays more likely than not even in midwinter. Nights are reliably above freezing from about February 13 to January 22 (344 days); outside that window a hard frost is an occasional risk.

0%25%50%75%100%JanFebMarAprMayJunJulAugSepOctNovDecreliably frost-freeFeb 1390%Jan 2290%
Frost-free chance (%)Frost nights
Jan929
Feb9118
Mar980
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. Mudanya banks about 2,084 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
Apr64
May209
Jun336
Jul424
Aug438
Sep332
Oct215
Nov65
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.

Mudanya receives about 4.2 kWh/m² a day of solar energy on average — bright — with a clear seasonal swing between 1.5 and 6.9 kWh/m².

The brighter stretch of the year lasts 5.9 months, from around Mar 27 to Sep 22. The brightest month is July, averaging about 6.8 kWh/m² (intense).

The dimmest month is December, down near 1.5 kWh/m² — roughly 77% less than the July peak.

012345678JanFebMarAprMayJunJulAugSepOctNovDecdimmerbrighterdimmerdimmoderatebrightintenseJul 16.9 kWhDec 181.5 kWh
Solar energy (kWh/m²)Level
Jan1.8Dim
Feb2.6Moderate
Mar3.7Moderate
Apr5.0Bright
May6.0Intense
Jun6.7Intense
Jul6.8Intense
Aug6.0Intense
Sep4.6Bright
Oct3.0Moderate
Nov2.1Moderate
Dec1.5Dim

Where is Mudanya?

Mudanya sits at 40.4°N, 28.9°E, 1 m above sea level, in Turkey. The nearest listed city is Görükle, 16 km away.

Topography around Mudanya

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

Within 3 km, the terrain around Mudanya has significant variations in elevation — a maximum elevation change of 283 m around an average of 56 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 599 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,529 m.

The land around Mudanya is covered by water (50%) and trees (35%) within 3 km, water (43%) and trees (35%) within 16 km, and trees (39%) and water (33%) within 80 km.

3 km
283 m
16 km
599 m
80 km
2,529 m
treesshrubsgrasslandcroplandartificial surfaceswater
Nearby: Görükle 16 km · Nilüfer 18 km · Gemlik 24 km · Bursa 25 km · Gürsu 32 km · Kestel 34 km · Orhangazi 38 km · Yalova 46 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 Mudanya (40.3752°, 28.8838°, elevation 1 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).