Izmir weather in December

In December, Izmir sees average daytime highs of 12°C and overnight lows near 5°C, with 109 mm of precipitation across 11.4 wet days and about 9.4 hours of daylight. It is the 11th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 14°C in the first days to 11°C by the end. The sky is clear or mostly clear about 35% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 30 min at the start of December to 9 h 24 min by month's end. Set against the rest of the year, December is Izmir's 12th-clearest and 8th-windiest month. For the whole year in context, see Izmir's year-round climate.

Daytime high
12°
11th warmest
Overnight low
3rd coldest
Precipitation
109 mm
11.4 wet days
Daylight
9 h 18 min
7:28 AM – 4:48 PM
Cloud cover
56%
12th clearest
Wind
8 km/h
8th windiest
Solar energy
1.96 kWh/m²
Travel score
3.2
out of 10

Izmir is city in İzmir Province, Turkey.

Air quality
Elevated
PM10 50.8 µg/m³ · 2010
Density
3,113/km²
people per km²
Founded
~3000 BCE

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

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 14°C in the first days to 11°C by the end.

A typical December day in Izmir reaches about 12°C in the afternoon and slips back to 5°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 7°C and 17°C. Set against its neighbours, December runs about 5°C cooler than November and about 1°C warmer than January.

-5°10°15°20°151015202531
Avg high (°C)Avg low (°C)
1146
2146
3146
4146
5146
6136
7135
8135
9135
10135
11135
12125
13125
14125
15125
16125
17124
18124
19124
20124
21124
22114
23114
24114
25114
26114
27114
28114
29114
30114
31114

How December really feels in Izmir

Once humidity and wind are folded in, December averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

December sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Izmir weather by month

How December compares with the rest of the year at a glance. December is the 11th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan11° / 11110.10.69.62.8
Feb12° / 10110.10.610.53.3
Mar15° / 839.70.511.74.9
Apr20° / 648.20136.7
May25° / 14°416.1014.17.9
Jun30° / 18°173.7014.66.2
Jul33° / 21°31.1014.44.5
Aug33° / 21°41.1013.54.5
Sep29° / 17°253.4012.37.0
Oct23° / 13°655.70117.9
Nov17° / 977.909.96.0
Dec12° / 10911.40.59.43.2

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of December, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15347
25347
35248
45248
55248
65149
75149
85149
95149
105149
115149
125050
135050
145050
155149
165050
175050
184951
194951
205050
214951
224852
234852
244753
254753
264654
274654
284654
294654
304654
314654

Chance of precipitation in December

Any precipitationSnow

Izmir gets around 109 mm of rain and snow over 11.4 wet days in December. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 37% and peaks near 39% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1320
2330
3331
4341
5341
6351
7361
8361
9371
10371
11381
12381
13381
14391
15381
16381
17381
18382
19382
20372
21372
22372
23372
24372
25372
26372
27372
28373
29373
30373
31363

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 99% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1982
2982
3982
4991
5991
6991
7991
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
21991
22991
23991
24991
25991
26991
27991
28991
29991
30991
31991

Wind in December

Winds average 8 km/h in December.

Across December, daily wind ranges from about 8 km/h on the calmest days to 9 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
209calm
219calm
229calm
239calm
249calm
259calm
269calm
279calm
289calm
299calm
309calm
319calm

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 30 min at the start of December to 9 h 24 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over December. Sunrise moves from 7:16 AM to 7:34 AM, and sunset from 4:47 PM to 4:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.57:164:47
29.57:174:47
39.57:174:46
49.57:184:46
59.57:194:46
69.47:204:46
79.47:214:46
89.47:224:46
99.47:234:46
109.47:234:46
119.47:244:47
129.47:254:47
139.47:264:47
149.37:264:47
159.37:274:47
169.37:284:48
179.37:284:48
189.37:294:48
199.37:294:49
209.37:304:49
219.37:304:50
229.37:314:50
239.37:314:50
249.37:324:51
259.37:324:52
269.37:334:52
279.37:334:53
289.37:334:53
299.37:334:54
309.37:344:55
319.47:344:55

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.96 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.96 kWh/m² to a high of 7.76 kWh/m² in July across the year — December's 1.96 kWh/m² sits near the bottom.

0123151015202531
Solar energy (kWh/m²)Level
12.1Moderate
22.1Moderate
32.1Moderate
42.1Moderate
52.1Moderate
62.1Moderate
72.0Moderate
82.0Moderate
92.0Moderate
102.0Moderate
112.0Dim
122.0Dim
132.0Dim
142.0Dim
152.0Dim
161.9Dim
171.9Dim
181.9Dim
191.9Dim
201.9Dim
211.9Dim
221.9Dim
231.9Dim
241.9Dim
251.9Dim
261.9Dim
271.9Dim
281.9Dim
291.9Dim
301.9Dim
312.0Dim
Planning a trip in December

Hazard calendar for Izmir

In seasonPeak

In December, Izmir sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Izmir's rainy season runs October–April, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is December a good time to visit Izmir?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

3.2
Sightseeing
11th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Izmir.

What to pack for Izmir in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Izmir sees daytime highs around 12°C and nights near 5°C. Worth packing: a warm layer and rain gear. About 11 days see rain.

a warm layerrain gear

Sea temperature near Izmir in December

The nearest coast averages about 17°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 23 km away) is warmest in August at about 24°C and coldest in March near 16°C.

It's comfortable for a long swim from May 28 to Oct 30 — about 5.1 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb16Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul23Refreshing
Aug24Refreshing
Sep23Refreshing
Oct21Refreshing
Nov19Cool
Dec17Cool

UV index in Izmir in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 2. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Izmir peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highModerateJun 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr8Very high
May7Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep7Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Izmir in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Izmir is worst in March — around 18 µg/m³ PM2.5 (moderate), about 1.6× the cleanest month (December, 11 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2118 µg/m³Dec 1911 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb14Moderate
Mar18Moderate
Apr17Moderate
May17Moderate
Jun15Moderate
Jul14Moderate
Aug15Moderate
Sep12Moderate
Oct12Moderate
Nov14Moderate
Dec11Good
Location & terrain

Where is Izmir?

Izmir sits at 38.4°N, 27.1°E, 122 m above sea level, in Turkey. The nearest listed city is Karabağlar, 3.0 km away.

Topography around Izmir

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

Within 3 km, the terrain around Izmir has only modest variations in elevation — a maximum elevation change of 210 m around an average of 54 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,147 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,631 m.

The land around Izmir is covered by artificial surfaces (67%) and water (22%) within 3 km, trees (41%) and artificial surfaces (24%) within 16 km, and trees (37%) and water (30%) within 80 km.

3 km
210 m
16 km
1,147 m
80 km
1,631 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
December weather nearby: Karabağlar 3.0 km · Konak 4.0 km · Karşıyaka 5.0 km · Bostanlı 6.0 km · Şemikler 8.0 km · Ataşehir 11 km · Çiğli 11 km · Evka-Üç 12 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 Izmir (38.4127°, 27.1384°, elevation 122 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).