Alta climate

Alta Weather in August

NOAA 1991-2020 normals for Storm Lake, 8.5 km from Alta

Average highs run from 82°F on August 1 to 78°F on August 31, and lows from 63°F to 58°F. Normal precipitation for the month is 4.43 in.

August day by day

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

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

August at a glance

Average high
80°F
Average low
61°F
Precipitation
4.43 in
Record high
109°FAug 3, 1930
Record low
36°FAug 13, 1964
Chance of a freeze
0%
Days of 90°F or more
1.8
Daylight
14 h 28 min to 13 h 12 min
Cloud cover
50%
Humidity
68%
Dew point
60°F
Wind
8.9 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 182°F63°F99°F 198850°F 19200%
Aug 281°F63°F98°F 194146°F 19040%
Aug 381°F63°F109°F 193046°F 19120%
Aug 481°F63°F99°F 193046°F 19780%
Aug 581°F63°F96°F 191843°F 19940%
Aug 681°F63°F96°F 191643°F 19940%
Aug 781°F63°F96°F 193747°F 19760%
Aug 881°F63°F98°F 194146°F 19760%
Aug 981°F63°F101°F 193644°F 19270%
Aug 1081°F63°F100°F 193544°F 19040%
Aug 1181°F62°F101°F 193543°F 19020%
Aug 1280°F62°F101°F 193645°F 19860%
Aug 1380°F62°F94°F 197636°F 19640%
Aug 1480°F62°F99°F 193636°F 19640%
Aug 1580°F62°F104°F 193645°F 19940%
Aug 1680°F62°F103°F 193746°F 19920%
Aug 1780°F62°F99°F 193646°F 20120%
Aug 1880°F61°F107°F 193644°F 19500%
Aug 1980°F61°F97°F 198345°F 19560%
Aug 2080°F61°F96°F 194738°F 19500%
Aug 2179°F61°F98°F 195546°F 19250%
Aug 2279°F61°F95°F 191442°F 19230%
Aug 2379°F60°F96°F 197643°F 19840%
Aug 2479°F60°F106°F 193642°F 19280%
Aug 2579°F60°F99°F 193643°F 19580%
Aug 2679°F60°F99°F 195542°F 19100%
Aug 2779°F59°F101°F 195542°F 19350%
Aug 2879°F59°F97°F 198438°F 19860%
Aug 2978°F59°F98°F 198438°F 19860%
Aug 3078°F59°F95°F 197039°F 19150%
Aug 3178°F58°F97°F 200039°F 19670%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Alta, in percent, and of at least 0.1 inch of snowfall.00.21102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

August 1
sunrise 6:13 AM, sunset 8:41 PM
August 31
sunrise 6:45 AM, sunset 7:57 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00137979 (Storm Lake), public domain. Records: NOAA GHCN-Daily, station USC00137979, 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.