Sully County climate

Sully County Weather in July

NOAA 1991-2020 normals for Onida 4 Nw, 2.1 km from Sully County

Average highs run from 85°F on July 1 to 88°F on July 31, and lows from 60°F to 62°F. Normal precipitation for the month is 2.52 in over about 9 wet days.

July day by day

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

Normal daily high and low temperature at Sully County, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
87°F
Average low
61°F
Precipitation
2.52 in
Record high
116°FJul 15, 2006
Record low
38°FJul 30, 1971
Chance of a freeze
0%
Days of 90°F or more
11.8
Daylight
15 h 31 min to 14 h 41 min
Cloud cover
47%
Humidity
56%
Dew point
58°F
Wind
10.1 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
Jul 185°F60°F103°F 197442°F 194532%0%
Jul 285°F60°F104°F 193642°F 192732%0%
Jul 385°F60°F109°F 194943°F 199231%0%
Jul 486°F60°F108°F 201745°F 195031%0%
Jul 586°F60°F113°F 193643°F 197231%0%
Jul 686°F60°F112°F 193644°F 193431%0%
Jul 786°F61°F109°F 193640°F 192230%0%
Jul 887°F61°F108°F 193644°F 195330%0%
Jul 987°F61°F114°F 193645°F 199630%0%
Jul 1087°F61°F113°F 193646°F 192229%0%
Jul 1187°F61°F110°F 193642°F 192229%0%
Jul 1288°F61°F106°F 193944°F 192229%0%
Jul 1388°F61°F108°F 197743°F 195029%0%
Jul 1488°F62°F108°F 193146°F 194928%0%
Jul 1588°F62°F116°F 200644°F 201428%0%
Jul 1688°F62°F115°F 193644°F 197628%0%
Jul 1788°F62°F112°F 193645°F 200928%0%
Jul 1888°F62°F110°F 201747°F 194728%0%
Jul 1988°F62°F106°F 193646°F 194427%0%
Jul 2088°F62°F114°F 193446°F 199227%0%
Jul 2188°F62°F106°F 194044°F 194727%0%
Jul 2288°F62°F110°F 194146°F 196127%0%
Jul 2388°F62°F112°F 194147°F 195227%0%
Jul 2488°F62°F109°F 193648°F 199127%0%
Jul 2588°F62°F110°F 193144°F 200427%0%
Jul 2688°F62°F112°F 193544°F 196226%0%
Jul 2788°F62°F109°F 193144°F 201326%0%
Jul 2888°F62°F111°F 193546°F 201326%0%
Jul 2988°F62°F111°F 200645°F 192526%0%
Jul 3088°F62°F110°F 200638°F 197126%0%
Jul 3188°F62°F108°F 198745°F 192526%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Sully County, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

July 1
sunrise 5:59 AM, sunset 9:30 PM
July 31
sunrise 6:26 AM, sunset 9:07 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00396292 (Onida 4 Nw), public domain. Records: NOAA GHCN-Daily, station USC00396292, 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.