Granby climate

Granby Weather in October

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

Average highs run from 16°C on October 1 to 9°C on October 31, and lows from 6°C to 0°C. Normal precipitation for the month is 109 mm over about 16 wet days.

October day by day

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

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

October at a glance

Average high
12°C
Average low
3°C
Precipitation
109 mm
Reanalysis high
26°COct 9, 2018
Reanalysis low
-6°COct 19, 2015
Daylight
11 h 42 min to 10 h 10 min
Cloud cover
69%
Humidity
84%
Dew point
5°C
Wind
8.6 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
Oct 116°C6°C25°C 2002-2°C 199349%
Oct 216°C6°C24°C 20020°C 199750%
Oct 316°C6°C23°C 20050°C 199651%
Oct 415°C6°C24°C 2005-2°C 199651%
Oct 515°C6°C23°C 2005-3°C 199948%
Oct 615°C5°C24°C 2005-2°C 199248%
Oct 715°C5°C23°C 2016-3°C 199947%
Oct 815°C5°C23°C 2017-1°C 199947%
Oct 914°C5°C26°C 2018-1°C 200148%
Oct 1014°C5°C22°C 2017-6°C 199348%
Oct 1114°C4°C24°C 2003-6°C 199348%
Oct 1214°C4°C21°C 2015-2°C 200948%
Oct 1313°C4°C23°C 1995-4°C 199348%
Oct 1413°C4°C23°C 2014-5°C 199349%
Oct 1513°C4°C23°C 2014-4°C 200948%
Oct 1613°C3°C21°C 2014-4°C 200948%
Oct 1712°C3°C17°C 2014-4°C 200948%
Oct 1812°C3°C21°C 1998-5°C 201547%
Oct 1912°C3°C21°C 2007-6°C 201548%
Oct 2011°C2°C19°C 2012-4°C 199149%
Oct 2111°C2°C19°C 2007-4°C 200250%
Oct 2211°C2°C22°C 2007-5°C 200850%
Oct 2310°C2°C21°C 2020-5°C 199750%
Oct 2410°C1°C23°C 2017-4°C 199750%
Oct 2510°C1°C20°C 1991-4°C 199749%
Oct 2610°C1°C20°C 2012-5°C 201849%
Oct 279°C1°C19°C 2000-4°C 201850%
Oct 289°C1°C17°C 2017-5°C 200250%
Oct 299°C1°C18°C 2015-5°C 201350%
Oct 309°C0°C20°C 2012-5°C 202049%
Oct 319°C0°C19°C 2019-5°C 202049%

Chance of rain

The chance of at least 1 mm of precipitation in the reanalysis on each date at Granby, in percent.02040601102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (EDT).

October 1
sunrise 6:49 AM, sunset 6:31 PM
October 31
sunrise 7:29 AM, sunset 5:39 PM

Every day of October: 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.