Surprise climate

Surprise Weather in August

NOAA 1991-2020 normals for Youngtown, 5 km from Surprise

Average highs run from 104°F on August 1 to 102°F on August 31, and lows from 81°F to 77°F. Normal precipitation for the month is 0.97 in over about 4 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 Surprise, in °F, with the record for each date.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

August at a glance

Average high
104°F
Average low
79°F
Precipitation
0.97 in
Record high
118°FAug 1, 1972
Record low
50°FAug 19, 1917
Chance of a freeze
0%
Days of 90°F or more
30.9
Daylight
13 h 47 min to 12 h 53 min
Cloud cover
42%
Humidity
33%
Dew point
56°F
Wind
6.0 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Aug 1104°F81°F118°F 197263°F 195012%
Aug 2104°F81°F118°F 199567°F 192012%
Aug 3104°F80°F116°F 191861°F 195612%
Aug 4104°F80°F117°F 199864°F 195312%
Aug 5104°F80°F117°F 199860°F 192812%
Aug 6104°F80°F116°F 199459°F 197612%
Aug 7104°F80°F116°F 199563°F 192812%
Aug 8104°F80°F115°F 194066°F 195612%
Aug 9104°F80°F115°F 199566°F 195612%
Aug 10104°F80°F115°F 199561°F 194912%
Aug 11104°F80°F114°F 193358°F 194912%
Aug 12104°F80°F116°F 199459°F 194912%
Aug 13104°F80°F117°F 199663°F 191712%
Aug 14104°F80°F116°F 202062°F 191712%
Aug 15104°F79°F116°F 202059°F 196812%
Aug 16104°F79°F114°F 202058°F 193212%
Aug 17104°F79°F114°F 202059°F 191812%
Aug 18104°F79°F113°F 194858°F 193812%
Aug 19104°F79°F113°F 199250°F 191712%
Aug 20104°F79°F114°F 198250°F 191712%
Aug 21103°F79°F117°F 196956°F 191712%
Aug 22103°F79°F116°F 196957°F 198012%
Aug 23103°F79°F117°F 196954°F 196812%
Aug 24103°F78°F116°F 198561°F 196512%
Aug 25103°F78°F116°F 198559°F 194111%
Aug 26103°F78°F114°F 196761°F 194111%
Aug 27103°F78°F116°F 198157°F 197811%
Aug 28103°F78°F114°F 198159°F 192011%
Aug 29103°F78°F115°F 194857°F 192011%
Aug 30103°F77°F112°F 198457°F 194211%
Aug 31102°F77°F118°F 199857°F 195311%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Surprise, in percent.02.557.51012.51102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

August 1
sunrise 5:42 AM, sunset 7:29 PM
August 31
sunrise 6:03 AM, sunset 6:56 PM

Every day of August: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00029634 (Youngtown), public domain. Records: NOAA GHCN-Daily, station USC00024977, 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.