Colorado climate

Colorado Weather in October

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

Average highs run from 30°C on October 1 to 31°C on October 31, and lows from 17°C to 19°C. Normal precipitation for the month is 146 mm over about 12 wet days.

October day by day

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

Normal daily high and low temperature at Colorado, in °C, with the record for each date.01020304050151015202530
  • Normal low
  • Normal high
  • Reanalysis extreme high
  • Reanalysis extreme low

October at a glance

Average high
31°C
Average low
18°C
Precipitation
146 mm
Reanalysis high
42°COct 7, 2020
Reanalysis low
10°COct 3, 2017
Daylight
12 h 19 min to 12 h 57 min
Cloud cover
62%
Humidity
70%
Dew point
18°C
Wind
11.2 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 130°C17°C40°C 202013°C 200942%
Oct 230°C17°C41°C 202013°C 201741%
Oct 330°C17°C40°C 202010°C 201740%
Oct 431°C17°C38°C 201911°C 201441%
Oct 531°C17°C39°C 202012°C 201442%
Oct 631°C18°C41°C 202012°C 201343%
Oct 731°C18°C42°C 202011°C 201642%
Oct 831°C18°C40°C 202011°C 201342%
Oct 931°C18°C37°C 201213°C 200842%
Oct 1031°C18°C38°C 200711°C 199541%
Oct 1131°C18°C39°C 200711°C 199541%
Oct 1231°C18°C39°C 201912°C 201041%
Oct 1331°C18°C39°C 201912°C 201042%
Oct 1431°C18°C39°C 201912°C 199543%
Oct 1532°C19°C38°C 199912°C 200343%
Oct 1632°C19°C39°C 199912°C 200343%
Oct 1732°C19°C38°C 201912°C 200344%
Oct 1832°C19°C38°C 201414°C 201147%
Oct 1932°C19°C37°C 201914°C 201148%
Oct 2032°C19°C38°C 200214°C 201148%
Oct 2132°C19°C37°C 201514°C 201848%
Oct 2232°C19°C37°C 200013°C 199547%
Oct 2331°C19°C37°C 200012°C 200146%
Oct 2431°C19°C38°C 200813°C 199546%
Oct 2531°C19°C38°C 201915°C 199845%
Oct 2631°C19°C38°C 201915°C 200446%
Oct 2731°C19°C38°C 201913°C 201046%
Oct 2831°C19°C38°C 200712°C 201646%
Oct 2931°C19°C40°C 200712°C 201645%
Oct 3031°C19°C39°C 201213°C 199544%
Oct 3131°C19°C41°C 201212°C 199544%

Chance of rain

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

Sunrise and sunset

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

October 1
sunrise 6:08 AM, sunset 6:27 PM
October 31
sunrise 5:43 AM, sunset 6:40 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.