Turkey · Kocaeli

Weather in Izmit in December 2026

December in Izmit usually brings daytime temperatures around +11° and nights near +4°, with about 14 rainy days across the month.

Day+11°Night+4°Rainy days14Humidity54%Wind4.7 m/s
Izmit · Turkey

Weather calendar: December 2026 in Izmit

Mon
Tue
Wed
Thu
Fri
Sat
Sun
1 +13°+8° 7.8 mm 6.9 m/s 59%
2 +15°+8° 5.7 m/s 38%
3 +13°+4° 4.2 m/s 44%
4 +12°+8° 4.2 mm 7.6 m/s 72%
5 +12°+7° 2.6 m/s 41%
6 +15°+5° 2.9 m/s 46%
7 +13°+5° 5.5 mm 4.8 m/s 79%
8 +14°+5° 2.1 m/s 37%
9 +12°+5° 2.9 m/s 44%
10 +14°+4° 5.5 mm 5.6 m/s 74%
11 +14°+7° 5.8 m/s 38%
12 +13°+4° 6.1 mm 5.7 m/s 63%
13 +11°+7° 3.7 m/s 52%
14 +14°+6° 6.8 mm 5.1 m/s 62%
15 +13°+5° 6.1 mm 5.4 m/s 68%
16 +9°+2° 10.3 mm 7.2 m/s 62%
17 +9°+4° 6 m/s 46%
18 +12°+4° 4.9 mm 7.1 m/s 77%
19 +11°+3° 5.8 mm 5.4 m/s 70%
20 +11°+1° 3 m/s 43%
21 +10°0° 8.5 mm 5.9 m/s 65%
22 +9°+1° 4.8 m/s 33%
23 +10°+4° 4.4 m/s 42%
24 +10°+3° 8.3 mm 4.2 m/s 61%
25 +10°+3° 5.3 m/s 42%
26 +11°+1° 6.1 mm 4.8 m/s 70%
27 +9°+2° 7.5 mm 4.7 m/s 72%
28 +10°+3° 2.6 m/s 54%
29 +9°+1° 2.8 m/s 41%
30 +10°0° 2.5 m/s 53%
31 +12°+3° 4.5 m/s 33%

Climate-based estimate (10-year averages)Todayrain expected

December 2026

December climate in Izmit: normals and extremes

Day
+11°
Night
+4°
Warmest day
+15°
Coldest night
0°
Precipitation
93 mm
Rainy days
14
Chance of rain
45%
Sunny days
14
Humidity
54%
Wind
4.7 m/s
Prevailing wind
S23%
Daylight
9 h 8 m
First days
+13°
Night+6°
Middle of the month
+11°
Night+4°
Last days
+10°
Night+2°
Izmit · December

Weather charts

Temperature chart: day and night

°C · Day of month

-010°C161116212631Day of month

Precipitation chart

mm · Day of month

0510mm7.84.25.55.56.16.86.110.34.95.88.58.36.17.5161116212631Day of month

Humidity chart

% · Day of month

406080%7933161116212631Day of month

Wind speed chart

m/s · Day of month

2.557.5m/s7.62.1161116212631Day of month

Prevailing wind directions

Prevailing wind: S · 23%

NNEESESSWWNWN6%NE13%E16%SE0%S23%SW23%W3%NW16%

Sunny, mixed and rainy days

December 2026 · 31

45%10%45%45%Sunny daysSunny days14 · 45%Mixed days3 · 10%Rainy days14 · 45%
December 2026

December in Izmit, day by day

December in Izmit, day by day
Day of monthNightMorningDayEveningPrecipitationWindHumidity
1+8°+11°+13°+11°7.8 mm6.9 m/sE59%
2+8°+11°+15°+12°—5.7 m/sNE38%
3+4°+8°+13°+9°—4.2 m/sNW44%
4+8°+10°+12°+10°4.2 mm7.6 m/sNW72%
5+7°+9°+12°+10°—2.6 m/sSW41%
6+5°+9°+15°+11°—2.9 m/sS46%
7+5°+9°+13°+10°5.5 mm4.8 m/sE79%
8+5°+9°+14°+11°—2.1 m/sSW37%
9+5°+8°+12°+9°—2.9 m/sW44%
10+4°+9°+14°+10°5.5 mm5.6 m/sNW74%
11+7°+10°+14°+11°—5.8 m/sE38%
12+4°+8°+13°+9°6.1 mm5.7 m/sS63%
13+7°+9°+11°+9°—3.7 m/sNE52%
14+6°+10°+14°+11°6.8 mm5.1 m/sS62%
15+5°+9°+13°+10°6.1 mm5.4 m/sSW68%
16+2°+5°+9°+6°10.3 mm7.2 m/sSW62%
17+4°+6°+9°+7°—6 m/sS46%
18+4°+7°+12°+9°4.9 mm7.1 m/sSW77%
19+3°+7°+11°+8°5.8 mm5.4 m/sSW70%
20+1°+5°+11°+7°—3 m/sNE43%
210°+5°+10°+6°8.5 mm5.9 m/sS65%
22+1°+5°+9°+6°—4.8 m/sNE33%
23+4°+6°+10°+7°—4.4 m/sE42%
24+3°+6°+10°+7°8.3 mm4.2 m/sSW61%
25+3°+6°+10°+7°—5.3 m/sS42%
26+1°+6°+11°+7°6.1 mm4.8 m/sS70%
27+2°+5°+9°+6°7.5 mm4.7 m/sN72%
28+3°+6°+10°+7°—2.6 m/sE54%
29+1°+4°+9°+6°—2.8 m/sN41%
300°+5°+10°+6°—2.5 m/sNW53%
31+3°+7°+12°+8°—4.5 m/sNW33%
Izmit · December

Weather by month

Temperature trend

In December in Izmit cools down: the first days average +13°, the last days +10°. The swing is worth remembering when you pack — mornings and evenings sit several degrees below the afternoon.

Warmest day: 2 December · Coldest night: 21 December · Compared with the previous month: -4.4°

Wettest stretch

Rain in Izmit in December falls on about 14 days and totals roughly 93 mm, with the wettest stretch around 16 December. Most of the month stays dry, so outdoor plans rarely get cancelled outright.

Chance of rain: 45% · Sunny days: 14

Comfort

Comfort in December in Izmit scores 4 out of 10: daytime +11° against nights near +4°, humidity around 54% and a light breeze of 4.7 m/s. Expect the weather to set the pace of the day rather than the other way round.

Day length change

Daylight in Izmit in December runs from about 9 h 23 m at the start of the month to roughly 8 h 53 m by the end, which decides how much you can fit outside before the lights come on.

Wind in December in Izmit comes mostly from the S direction (about 23% of readings) and stays light, so the felt temperature stays close to the numbers in the table.

Izmit · December

Compared with neighbouring months

December
+11° / +4°
Precipitation: 93 mm · Rainy days: 14
November
+16° / +8°
Precipitation: 36 mm · Rainy days: 6
Izmit

Year at a glance

10° Jan 12° Feb 14° Mar 19° Apr 23° May 27° Jun 29° Jul 30° Aug 27° Sep 21° Oct 17° Nov 12° Dec
Izmit · December

Cities

December in other cities

IstanbulAnkaraIzmirBursaAntalyaKonyaAdanaSanliurfa

Weather in Izmit month by month 2026

NovemberWeather in Izmit