Zion climate

Zion Weather in August

NOAA 1991-2020 normals for Millheim, 17.9 km from Zion

Average highs run from 84°F on August 1 to 79°F on August 31, and lows from 58°F to 54°F. Normal precipitation for the month is 4.03 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 Zion, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
82°F
Average low
56°F
Precipitation
4.03 in
Record high
101°FAug 4, 1930
Record low
30°FAug 14, 1893
Chance of a freeze
0%
Days of 90°F or more
2.2
Daylight
14 h 20 min to 13 h 08 min
Cloud cover
60%
Humidity
70%
Dew point
58°F
Wind
3.4 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 184°F58°F95°F 199945°F 191837%0%
Aug 284°F58°F96°F 197545°F 192437%0%
Aug 384°F58°F100°F 193044°F 192037%0%
Aug 484°F58°F101°F 193048°F 191236%0%
Aug 583°F58°F96°F 193044°F 195136%0%
Aug 683°F58°F99°F 191843°F 199436%0%
Aug 783°F58°F97°F 191841°F 189336%0%
Aug 883°F58°F98°F 193038°F 189336%0%
Aug 983°F57°F95°F 200142°F 198936%0%
Aug 1083°F57°F95°F 190044°F 192735%0%
Aug 1183°F57°F94°F 190045°F 189435%0%
Aug 1283°F57°F95°F 194445°F 193035%0%
Aug 1382°F57°F96°F 194444°F 193035%0%
Aug 1482°F57°F95°F 200530°F 189335%0%
Aug 1582°F57°F93°F 193833°F 189334%0%
Aug 1682°F57°F93°F 193839°F 189334%0%
Aug 1782°F56°F93°F 191346°F 190234%0%
Aug 1882°F56°F97°F 198843°F 198134%0%
Aug 1981°F56°F92°F 189943°F 192434%0%
Aug 2081°F56°F96°F 189942°F 189333%0%
Aug 2181°F56°F96°F 191640°F 189333%0%
Aug 2281°F56°F96°F 191639°F 189333%0%
Aug 2381°F55°F93°F 198341°F 192333%0%
Aug 2480°F55°F91°F 194743°F 192333%0%
Aug 2580°F55°F92°F 194841°F 194232%0%
Aug 2680°F55°F98°F 194840°F 189332%0%
Aug 2780°F55°F97°F 194842°F 191032%0%
Aug 2880°F54°F96°F 194840°F 188732%0%
Aug 2979°F54°F94°F 197336°F 198232%0%
Aug 3079°F54°F95°F 195339°F 193432%0%
Aug 3179°F54°F95°F 193234°F 189331%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Zion, 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 (EDT).

August 1
sunrise 6:07 AM, sunset 8:27 PM
August 31
sunrise 6:37 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 USC00365790 (Millheim), public domain. Records: NOAA GHCN-Daily, station USC00368449, 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.