Sully climate

Sully Weather in October

NOAA 1991-2020 normals for Grinnell 3 Sw, 17.7 km from Sully

Average highs run from 70°F on October 1 to 55°F on October 31, and lows from 44°F to 32°F. Normal precipitation for the month is 3.21 in over about 10 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 Sully, in °F, with the record for each date.020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

October at a glance

Average high
62°F
Average low
38°F
Precipitation
3.21 in
Snowfall
0.5 in
Record high
95°FOct 6, 1963
Record low
2°FOct 28, 1925
Chance of a freeze
99%
Daylight
11 h 45 min to 10 h 25 min
Cloud cover
57%
Humidity
72%
Dew point
42°F
Wind
10.7 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 170°F44°F91°F 202325°F 198430%0%
Oct 269°F44°F93°F 195321°F 197430%0%
Oct 369°F43°F88°F 202321°F 197430%0%
Oct 468°F43°F91°F 199725°F 195030%0%
Oct 568°F42°F89°F 192223°F 198830%0%
Oct 667°F42°F95°F 196323°F 198830%0%
Oct 767°F42°F93°F 196318°F 201230%0%
Oct 867°F41°F87°F 191617°F 201230%0%
Oct 966°F41°F84°F 201018°F 200030%0%
Oct 1066°F41°F88°F 192817°F 200030%0%
Oct 1165°F40°F86°F 191017°F 198730%0%
Oct 1265°F40°F87°F 202417°F 198730%0%
Oct 1364°F39°F88°F 197516°F 190930%1%
Oct 1463°F39°F88°F 197520°F 190930%1%
Oct 1563°F39°F88°F 191022°F 197230%1%
Oct 1662°F38°F92°F 191023°F 197230%1%
Oct 1762°F38°F87°F 195017°F 197630%1%
Oct 1861°F37°F88°F 195018°F 197630%1%
Oct 1961°F37°F83°F 192414°F 197230%1%
Oct 2060°F37°F84°F 195314°F 202230%1%
Oct 2160°F36°F83°F 197918°F 191330%1%
Oct 2259°F36°F85°F 192713°F 197630%1%
Oct 2359°F36°F85°F 192713°F 197630%1%
Oct 2458°F35°F84°F 192717°F 199929%1%
Oct 2558°F35°F88°F 192716°F 199929%2%
Oct 2657°F34°F86°F 192718°F 198129%2%
Oct 2757°F34°F85°F 192711°F 199729%2%
Oct 2856°F34°F87°F 19272°F 192529%2%
Oct 2956°F33°F83°F 19505°F 192529%2%
Oct 3055°F33°F85°F 19506°F 192528%2%
Oct 3155°F32°F86°F 195016°F 194928%2%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sully, 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 (CDT).

October 1
sunrise 7:08 AM, sunset 6:53 PM
October 31
sunrise 7:42 AM, sunset 6:07 PM

Every day of October: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00133473 (Grinnell 3 Sw), public domain. Records: NOAA GHCN-Daily, station USC00133473, 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.