Superior climate

Superior Weather in August

NOAA 1991-2020 normals for Boulder, 9.4 km from Superior

Average highs run from 88°F on August 1 to 84°F on August 31, and lows from 58°F to 53°F. Normal precipitation for the month is 1.68 in over about 11 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 Superior, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
86°F
Average low
56°F
Precipitation
1.68 in
Record high
110°FAug 2, 2008
Record low
41°FAug 6, 1986
Chance of a freeze
0%
Days of 90°F or more
9.9
Daylight
14 h 15 min to 13 h 05 min
Cloud cover
51%
Humidity
44%
Dew point
45°F
Wind
7.2 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 188°F58°F101°F 200852°F 199237%0%
Aug 288°F57°F110°F 200842°F 198637%0%
Aug 388°F57°F106°F 202648°F 198637%0%
Aug 487°F57°F104°F 202644°F 198637%0%
Aug 587°F57°F101°F 202549°F 199637%0%
Aug 687°F57°F102°F 202241°F 198637%0%
Aug 787°F57°F103°F 200347°F 199636%0%
Aug 887°F57°F103°F 202547°F 199636%0%
Aug 987°F57°F104°F 202651°F 202336%0%
Aug 1087°F57°F104°F 202648°F 198535%0%
Aug 1187°F56°F102°F 202651°F 199635%0%
Aug 1287°F56°F103°F 202648°F 198535%0%
Aug 1386°F56°F98°F 200746°F 200235%0%
Aug 1486°F56°F104°F 200750°F 200434%0%
Aug 1586°F56°F101°F 202546°F 198634%0%
Aug 1686°F56°F103°F 200249°F 199534%
Aug 1786°F56°F102°F 202347°F 198534%
Aug 1886°F55°F101°F 202449°F 201533%
Aug 1986°F55°F102°F 202048°F 201533%
Aug 2086°F55°F99°F 201946°F 201633%
Aug 2186°F55°F100°F 200348°F 200432%
Aug 2285°F55°F104°F 202651°F 198732%
Aug 2385°F55°F100°F 200348°F 201531%
Aug 2485°F54°F102°F 202046°F 198531%
Aug 2585°F54°F100°F 202646°F 201631%
Aug 2685°F54°F101°F 201948°F 199230%
Aug 2785°F54°F99°F 200146°F 198730%
Aug 2885°F54°F99°F 201241°F 200430%
Aug 2984°F53°F101°F 202644°F 200430%
Aug 3084°F53°F101°F 199047°F 199229%
Aug 3184°F53°F100°F 200545°F 202029%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Superior, 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 (MDT).

August 1
sunrise 5:59 AM, sunset 8:14 PM
August 31
sunrise 6:28 AM, sunset 7:33 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00050848 (Boulder), public domain. Records: NOAA GHCN-Daily, station USC00055984, 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.