Geyve climate

Geyve Weather in December

NASA POWER reanalysis for the half-degree grid cell around Geyve, 1991-2020; a grid cell is an area average and can differ from a thermometer in town by several degrees

Average highs run from 10°C on December 1 to 6°C on December 31, and lows from 1°C to -2°C. Normal precipitation for the month is 74 mm over about 12 wet days.

December day by day

The normal high and low for each date, in °C.

Normal daily high and low temperature at Geyve, in °C, with the record for each date.-20-100102030151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
7°C
Average low
-1°C
Precipitation
74 mm
Reanalysis high
20°CDec 2, 2010
Reanalysis low
-15°CDec 21, 1994
Daylight
9 h 30 min to 9 h 20 min
Cloud cover
71%
Humidity
85%
Dew point
0°C
Wind
10.1 km/h

Every day of the month

A wet day has at least 1 mm of precipitation in the reanalysis.

DateNormal highNormal lowReanalysis highReanalysis lowChance wet
Dec 110°C1°C19°C 2010-4°C 201638%
Dec 29°C1°C20°C 2010-6°C 199238%
Dec 39°C0°C19°C 2010-6°C 199238%
Dec 49°C0°C20°C 2010-6°C 201339%
Dec 59°C0°C15°C 2020-6°C 201641%
Dec 68°C0°C14°C 2008-9°C 199442%
Dec 78°C0°C14°C 2020-5°C 201741%
Dec 88°C0°C14°C 2010-6°C 201640%
Dec 98°C-1°C16°C 2010-6°C 201640%
Dec 108°C-1°C13°C 2020-8°C 199841%
Dec 117°C-1°C13°C 2014-10°C 199841%
Dec 127°C-1°C12°C 1993-9°C 201341%
Dec 137°C-1°C14°C 2020-9°C 201041%
Dec 147°C-1°C13°C 2019-9°C 200141%
Dec 157°C-2°C13°C 2017-15°C 200140%
Dec 166°C-2°C14°C 2017-12°C 200140%
Dec 176°C-2°C14°C 2017-8°C 201641%
Dec 186°C-2°C15°C 2019-10°C 201641%
Dec 196°C-2°C15°C 2019-12°C 201642%
Dec 206°C-2°C14°C 2009-13°C 200140%
Dec 216°C-2°C13°C 2019-15°C 199439%
Dec 226°C-2°C14°C 2010-11°C 201640%
Dec 236°C-2°C14°C 2010-7°C 199241%
Dec 246°C-2°C15°C 1996-8°C 201640%
Dec 256°C-2°C15°C 2010-11°C 200240%
Dec 266°C-2°C14°C 2009-13°C 200241%
Dec 276°C-2°C15°C 1995-12°C 200242%
Dec 286°C-2°C14°C 2004-13°C 199243%
Dec 296°C-2°C13°C 2020-11°C 199244%
Dec 306°C-2°C14°C 2020-12°C 199244%
Dec 316°C-2°C13°C 2009-14°C 199245%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Geyve, in percent.010203040501102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+3).

December 1
sunrise 8:03 AM, sunset 5:33 PM
December 31
sunrise 8:22 AM, sunset 5:42 PM

Every day of December: sun and moon

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.