Summit County climate

Summit County Weather in October

NOAA 1991-2020 normals for Dillon 1 E, 7 km from Summit County

Average highs run from 61°F on October 1 to 48°F on October 31, and lows from 25°F to 16°F. Normal precipitation for the month is 0.98 in over about 8 wet days.

October day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Summit County, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
54°F
Average low
21°F
Precipitation
0.98 in
Snowfall
7.1 in
Record high
73°FOct 8, 1980
Record low
-11°FOct 25, 2019
Chance of a freeze
100%
Daylight
11 h 46 min to 10 h 32 min
Cloud cover
50%
Humidity
63%
Dew point
19°F
Wind
5.6 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
Oct 161°F25°F69°F 198012°F 198528%6%
Oct 260°F25°F65°F 20109°F 196128%6%
Oct 360°F25°F63°F 198910°F 197127%7%
Oct 459°F24°F62°F 199210°F 197127%7%
Oct 559°F24°F64°F 20248°F 201327%7%
Oct 659°F24°F68°F 19971°F 199527%8%
Oct 758°F23°F68°F 20201°F 201926%8%
Oct 858°F23°F73°F 19804°F 195926%9%
Oct 957°F23°F67°F 20204°F 197026%9%
Oct 1057°F22°F67°F 2020-4°F 198226%10%
Oct 1156°F22°F65°F 2020-5°F 201926%10%
Oct 1256°F22°F69°F 19910°F 201926%10%
Oct 1355°F22°F63°F 19961°F 199726%11%
Oct 1455°F21°F62°F 19961°F 199726%11%
Oct 1555°F21°F63°F 1973-5°F 201826%12%
Oct 1654°F21°F62°F 2016-5°F 201826%12%
Oct 1754°F20°F63°F 1991-2°F 199926%13%
Oct 1853°F20°F61°F 19740°F 199926%14%
Oct 1953°F20°F62°F 20032°F 198426%14%
Oct 2052°F20°F62°F 20032°F 198426%15%
Oct 2152°F19°F60°F 2003-7°F 199626%15%
Oct 2251°F19°F64°F 2003-7°F 199627%16%
Oct 2351°F19°F60°F 2003-3°F 199627%16%
Oct 2451°F18°F59°F 1992-5°F 201927%17%
Oct 2550°F18°F59°F 2014-11°F 201927%17%
Oct 2650°F18°F61°F 2014-4°F 200927%18%
Oct 2749°F18°F63°F 1977-5°F 197028%18%
Oct 2849°F17°F62°F 2016-3°F 197028%19%
Oct 2948°F17°F56°F 2016-5°F 199128%19%
Oct 3048°F17°F54°F 1962-10°F 201928%20%
Oct 3148°F16°F54°F 2016-10°F 201928%20%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Summit County, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MDT).

October 1
sunrise 7:01 AM, sunset 6:47 PM
October 31
sunrise 7:32 AM, sunset 6:04 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00052281 (Dillon 1 E), public domain. Records: NOAA GHCN-Daily, station USC00051660, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: 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.