Istok climate

Istok Weather in December

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

Average highs run from 5°C on December 1 to 1°C on December 31, and lows from -2°C to -6°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 Istok, in °C, with the record for each date.-30-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

December at a glance

Average high
3°C
Average low
-4°C
Precipitation
74 mm
Reanalysis high
14°CDec 1, 2010
Reanalysis low
-22°CDec 13, 2012
Daylight
9 h 16 min to 9 h 05 min
Cloud cover
71%
Humidity
91%
Dew point
-3°C
Wind
9.7 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 15°C-2°C14°C 2010-10°C 199343%
Dec 25°C-2°C13°C 2000-9°C 199443%
Dec 35°C-3°C12°C 2000-9°C 199444%
Dec 44°C-3°C12°C 2008-10°C 201744%
Dec 54°C-3°C10°C 2006-10°C 201743%
Dec 64°C-3°C12°C 2006-9°C 200142%
Dec 74°C-3°C12°C 2006-10°C 199842%
Dec 84°C-3°C13°C 2010-13°C 199141%
Dec 94°C-4°C13°C 2010-13°C 199141%
Dec 104°C-4°C11°C 1993-20°C 201241%
Dec 113°C-4°C10°C 1993-16°C 200141%
Dec 123°C-4°C11°C 2000-19°C 201241%
Dec 133°C-5°C13°C 2000-22°C 201240%
Dec 143°C-5°C10°C 2011-16°C 201241%
Dec 153°C-5°C10°C 1999-12°C 200140%
Dec 162°C-5°C12°C 1999-12°C 200141%
Dec 172°C-5°C12°C 2019-13°C 200141%
Dec 182°C-5°C10°C 1993-19°C 200141%
Dec 192°C-5°C11°C 2019-19°C 200141%
Dec 202°C-5°C9°C 1993-18°C 200942%
Dec 212°C-5°C10°C 1996-18°C 200944%
Dec 222°C-5°C11°C 2019-13°C 200544%
Dec 232°C-5°C12°C 1996-13°C 199943%
Dec 242°C-5°C10°C 2020-16°C 199842%
Dec 252°C-6°C12°C 2009-16°C 199841%
Dec 262°C-6°C12°C 1995-13°C 199141%
Dec 272°C-6°C13°C 2015-16°C 199642%
Dec 282°C-6°C13°C 2015-16°C 199643%
Dec 292°C-6°C11°C 2013-14°C 199244%
Dec 302°C-6°C9°C 2020-16°C 201444%
Dec 311°C-6°C13°C 2009-19°C 201443%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (GMT+1).

December 1
sunrise 6:49 AM, sunset 4:05 PM
December 31
sunrise 7:09 AM, sunset 4:14 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.