İzmit Weather in December
Average highs run from 12°C on December 1 to 9°C on December 31, and lows from 4°C to 2°C. Normal precipitation for the month is 93 mm over about 12 wet days.
December day by day
The normal high and low for each date, in °C.
- Normal low
- Normal high
- Reanalysis extreme high
- Reanalysis extreme low
December at a glance
- Average high
- 10°C
- Average low
- 3°C
- Precipitation
- 93 mm
- Reanalysis high
- 23°CDec 2, 2010
- Reanalysis low
- -9°CDec 21, 2001
- Daylight
- 9 h 28 min to 9 h 18 min
- Cloud cover
- 81%
- Humidity
- 85%
- Dew point
- 3°C
- Wind
- 12.6 km/h
Every day of the month
A wet day has at least 1 mm of precipitation in the reanalysis.
| Date | Normal high | Normal low | Reanalysis high | Reanalysis low | Chance wet |
|---|---|---|---|---|---|
| Dec 1 | 12°C | 4°C | 22°C 2010 | -2°C 1999 | 41% |
| Dec 2 | 12°C | 4°C | 23°C 2010 | -2°C 2016 | 41% |
| Dec 3 | 12°C | 4°C | 22°C 2010 | -1°C 1992 | 42% |
| Dec 4 | 12°C | 4°C | 20°C 2010 | -3°C 1992 | 43% |
| Dec 5 | 11°C | 4°C | 18°C 1998 | -3°C 1991 | 44% |
| Dec 6 | 11°C | 4°C | 17°C 1992 | -4°C 2016 | 45% |
| Dec 7 | 11°C | 3°C | 17°C 2008 | -3°C 2019 | 44% |
| Dec 8 | 11°C | 3°C | 16°C 2010 | -3°C 2018 | 43% |
| Dec 9 | 11°C | 3°C | 19°C 2010 | -2°C 2016 | 43% |
| Dec 10 | 11°C | 3°C | 16°C 2020 | -2°C 2011 | 44% |
| Dec 11 | 10°C | 3°C | 17°C 1999 | -4°C 1998 | 44% |
| Dec 12 | 10°C | 3°C | 16°C 2017 | -3°C 2008 | 44% |
| Dec 13 | 10°C | 2°C | 16°C 2017 | -3°C 2010 | 45% |
| Dec 14 | 10°C | 2°C | 18°C 2019 | -4°C 2016 | 45% |
| Dec 15 | 10°C | 2°C | 17°C 2017 | -5°C 2001 | 45% |
| Dec 16 | 10°C | 2°C | 19°C 2017 | -5°C 2001 | 45% |
| Dec 17 | 10°C | 2°C | 18°C 1999 | -4°C 2004 | 46% |
| Dec 18 | 10°C | 2°C | 17°C 2005 | -4°C 2016 | 46% |
| Dec 19 | 10°C | 2°C | 16°C 2019 | -4°C 2016 | 45% |
| Dec 20 | 10°C | 2°C | 18°C 2009 | -8°C 2001 | 44% |
| Dec 21 | 10°C | 2°C | 17°C 2019 | -9°C 2001 | 43% |
| Dec 22 | 10°C | 2°C | 19°C 2019 | -5°C 2005 | 45% |
| Dec 23 | 10°C | 2°C | 17°C 2010 | -5°C 2013 | 46% |
| Dec 24 | 9°C | 2°C | 18°C 2010 | -4°C 2013 | 45% |
| Dec 25 | 9°C | 2°C | 18°C 2010 | -4°C 2000 | 44% |
| Dec 26 | 9°C | 2°C | 18°C 2009 | -5°C 2002 | 44% |
| Dec 27 | 9°C | 2°C | 19°C 1995 | -6°C 2002 | 45% |
| Dec 28 | 9°C | 2°C | 18°C 1995 | -6°C 1992 | 46% |
| Dec 29 | 9°C | 2°C | 17°C 2004 | -5°C 1992 | 47% |
| Dec 30 | 9°C | 2°C | 17°C 2020 | -6°C 1992 | 46% |
| Dec 31 | 9°C | 2°C | 17°C 2009 | -6°C 1992 | 47% |
Chance of rain
- Chance of a wet day
Sunrise and sunset
Times for 2026, local time (GMT+3).
- December 1
- sunrise 8:05 AM, sunset 5:33 PM
- December 31
- sunrise 8:24 AM, sunset 5:42 PM
Other months
Sources
Cloud, humidity, wind and sunshine, and temperature and precipitation: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.