Heyan climate

Heyan Weather in January

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

Average highs run from 6°C on January 1 to 7°C on January 31, and lows from -2°C to -2°C. Normal precipitation for the month is 12 mm over about 3 wet days.

January day by day

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

Normal daily high and low temperature at Heyan, in °C, with the record for each date.-20-1001020151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

January at a glance

Average high
6°C
Average low
-2°C
Precipitation
12 mm
Reanalysis high
16°CJan 14, 2002
Reanalysis low
-13°CJan 24, 2016
Daylight
10 h 09 min to 10 h 40 min
Cloud cover
75%
Humidity
76%
Dew point
-3°C
Wind
6.5 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
Jan 16°C-2°C12°C 1997-8°C 200513%
Jan 26°C-2°C11°C 2002-8°C 200513%
Jan 36°C-2°C13°C 2016-8°C 201113%
Jan 46°C-2°C12°C 1999-7°C 201313%
Jan 56°C-2°C13°C 1999-7°C 201113%
Jan 66°C-2°C13°C 2002-9°C 201112%
Jan 76°C-2°C12°C 2002-7°C 201111%
Jan 86°C-2°C12°C 2002-6°C 201811%
Jan 96°C-2°C14°C 2008-7°C 201111%
Jan 106°C-2°C11°C 2002-8°C 201111%
Jan 116°C-2°C12°C 2002-6°C 201111%
Jan 126°C-2°C12°C 2002-6°C 201110%
Jan 136°C-2°C12°C 2003-5°C 199310%
Jan 146°C-2°C16°C 2002-8°C 19939%
Jan 156°C-2°C11°C 2002-8°C 20119%
Jan 166°C-2°C10°C 2003-8°C 19939%
Jan 176°C-3°C12°C 2018-8°C 199310%
Jan 186°C-3°C13°C 2003-7°C 199810%
Jan 196°C-3°C13°C 2003-7°C 201110%
Jan 206°C-3°C15°C 2003-7°C 200810%
Jan 216°C-2°C11°C 1997-7°C 199410%
Jan 226°C-2°C13°C 2003-8°C 201610%
Jan 236°C-2°C12°C 2014-9°C 201611%
Jan 246°C-2°C13°C 2014-13°C 201612%
Jan 256°C-2°C13°C 2014-10°C 201611%
Jan 266°C-2°C12°C 2013-7°C 200812%
Jan 276°C-2°C14°C 1999-6°C 200812%
Jan 286°C-2°C12°C 1999-7°C 201111%
Jan 297°C-2°C13°C 2007-7°C 200811%
Jan 307°C-2°C13°C 2014-8°C 200810%
Jan 317°C-2°C13°C 1993-8°C 201810%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Heyan, in percent.0510151102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (GMT+8).

January 1
sunrise 7:44 AM, sunset 5:53 PM
January 31
sunrise 7:39 AM, sunset 6:19 PM

Every day of January: 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.