Fillmore County climate

Fillmore County Weather in August

NOAA 1991-2020 normals for Preston, 1.2 km from Fillmore County

Average highs run from 81°F on August 1 to 77°F on August 31, and lows from 58°F to 53°F. Normal precipitation for the month is 4.29 in over about 10 wet days.

August day by day

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

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

August at a glance

Average high
79°F
Average low
56°F
Precipitation
4.29 in
Record high
101°FAug 2, 1964
Record low
30°FAug 31, 1967
Chance of a freeze
0%
Days of 90°F or more
1.7
Daylight
14 h 33 min to 13 h 14 min
Cloud cover
53%
Humidity
76%
Dew point
60°F
Wind
8.3 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
Aug 181°F58°F99°F 196441°F 196834%0%
Aug 281°F57°F101°F 196441°F 197334%0%
Aug 381°F57°F96°F 196441°F 198634%0%
Aug 480°F57°F95°F 198241°F 197134%0%
Aug 580°F57°F97°F 198941°F 197134%0%
Aug 680°F57°F94°F 196845°F 196134%0%
Aug 780°F57°F96°F 200145°F 199334%0%
Aug 880°F57°F97°F 200144°F 197634%0%
Aug 980°F57°F93°F 201040°F 196634%0%
Aug 1080°F57°F93°F 198540°F 198234%0%
Aug 1180°F57°F92°F 201035°F 198634%0%
Aug 1280°F56°F93°F 201038°F 196734%0%
Aug 1380°F56°F95°F 201040°F 196434%0%
Aug 1480°F56°F93°F 196533°F 196433%0%
Aug 1580°F56°F94°F 195539°F 197933%0%
Aug 1680°F56°F92°F 196938°F 197633%0%
Aug 1779°F56°F97°F 195539°F 196233%0%
Aug 1879°F56°F96°F 195538°F 197733%0%
Aug 1979°F56°F97°F 195536°F 198533%0%
Aug 2079°F55°F96°F 195538°F 196733%0%
Aug 2179°F55°F100°F 195535°F 200433%0%
Aug 2279°F55°F93°F 196842°F 195233%0%
Aug 2379°F55°F95°F 202334°F 198733%0%
Aug 2479°F55°F101°F 202332°F 198733%0%
Aug 2578°F55°F97°F 200336°F 195833%0%
Aug 2678°F54°F92°F 195536°F 196433%0%
Aug 2778°F54°F94°F 202436°F 196833%0%
Aug 2878°F54°F97°F 198434°F 198632%0%
Aug 2978°F54°F98°F 198436°F 198632%0%
Aug 3078°F53°F93°F 196638°F 197432%0%
Aug 3177°F53°F95°F 201230°F 196732%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Fillmore 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).

August 1
sunrise 5:58 AM, sunset 8:31 PM
August 31
sunrise 6:31 AM, sunset 7:45 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00216654 (Preston), public domain. Records: NOAA GHCN-Daily, station USC00216654, 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.