Summit climate

Summit Weather in August

NOAA 1991-2020 normals for Tucson Intl AP, 7.2 km from Summit

Average highs run from 99°F on August 1 to 98°F on August 31, and lows from 76°F to 74°F. Normal precipitation for the month is 1.98 in over about 9 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 Summit, in °F, with the record for each date.6080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
99°F
Average low
75°F
Precipitation
1.98 in
Record high
112°FAug 1, 1993
Record low
61°FAug 29, 1956
Chance of a freeze
0%
Days of 90°F or more
29.2
Daylight
13 h 42 min to 12 h 50 min
Cloud cover
52%
Humidity
47%
Dew point
58°F
Wind
5.8 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 199°F76°F112°F 199367°F 195030%0%
Aug 299°F76°F109°F 199466°F 196529%0%
Aug 399°F76°F110°F 199463°F 195529%0%
Aug 499°F76°F109°F 199467°F 196229%0%
Aug 599°F76°F110°F 202366°F 197629%0%
Aug 699°F76°F111°F 202568°F 195529%0%
Aug 799°F76°F112°F 202566°F 196329%0%
Aug 899°F76°F108°F 201267°F 194929%0%
Aug 999°F76°F108°F 199567°F 194929%0%
Aug 1099°F76°F110°F 200368°F 194929%0%
Aug 1199°F76°F108°F 199367°F 194928%0%
Aug 1299°F75°F109°F 201266°F 196528%0%
Aug 1399°F75°F111°F 202066°F 194928%0%
Aug 1499°F75°F111°F 202065°F 200528%0%
Aug 1599°F75°F110°F 201564°F 196828%0%
Aug 1699°F75°F110°F 202064°F 197228%0%
Aug 1799°F75°F109°F 202066°F 194928%0%
Aug 1899°F75°F108°F 202063°F 197927%0%
Aug 1999°F75°F111°F 202066°F 196827%0%
Aug 2099°F75°F109°F 201966°F 196827%0%
Aug 2199°F75°F110°F 201965°F 198326%0%
Aug 2299°F75°F106°F 202665°F 197926%0%
Aug 2399°F75°F107°F 198563°F 196826%0%
Aug 2499°F75°F108°F 198564°F 199226%0%
Aug 2599°F75°F107°F 202065°F 198225%0%
Aug 2699°F75°F108°F 201165°F 198725%0%
Aug 2799°F75°F108°F 201164°F 195424%0%
Aug 2898°F74°F109°F 202366°F 195424%0%
Aug 2998°F74°F108°F 202361°F 195624%0%
Aug 3098°F74°F107°F 201163°F 199223%0%
Aug 3198°F74°F108°F 195063°F 195123%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Summit, in percent, and of at least 0.1 inch of snowfall.01020301102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (MST).

August 1
sunrise 5:39 AM, sunset 7:21 PM
August 31
sunrise 5:59 AM, sunset 6:49 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00023160 (Tucson Intl AP), public domain. Records: NOAA GHCN-Daily, station USW00023160, 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 2026-09-25. Sun and moon: computed with the NOAA solar equations and Meeus.