Surprise climate

Surprise Weather in May

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

Average highs run from 88°F on May 1 to 98°F on May 31, and lows from 59°F to 68°F. Normal precipitation for the month is 0.11 in over about 1 wet days.

May 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.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
93°F
Average low
64°F
Precipitation
0.11 in
Record high
115°FMay 28, 1984
Record low
36°FMay 6, 1975
Chance of a freeze
0%
Days of 90°F or more
24.5
Daylight
13 h 32 min to 14 h 14 min
Cloud cover
26%
Humidity
22%
Dew point
33°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
May 188°F59°F105°F 194740°F 19674%
May 288°F60°F109°F 194741°F 19674%
May 389°F60°F111°F 194743°F 19204%
May 489°F60°F109°F 194740°F 19204%
May 589°F61°F108°F 194740°F 19504%
May 689°F61°F108°F 198936°F 19754%
May 790°F61°F109°F 198941°F 19214%
May 890°F61°F109°F 198938°F 19214%
May 990°F62°F109°F 193441°F 19903%
May 1091°F62°F113°F 193442°F 19223%
May 1191°F62°F111°F 193442°F 19223%
May 1291°F63°F111°F 199641°F 19533%
May 1392°F63°F113°F 199645°F 19333%
May 1492°F63°F110°F 193745°F 19333%
May 1593°F63°F108°F 193745°F 19903%
May 1693°F64°F108°F 197044°F 19553%
May 1793°F64°F111°F 195641°F 19903%
May 1894°F64°F110°F 197044°F 19213%
May 1994°F65°F110°F 199739°F 19213%
May 2094°F65°F108°F 194243°F 19743%
May 2195°F65°F108°F 195847°F 19213%
May 2295°F65°F109°F 200543°F 19273%
May 2395°F66°F109°F 198447°F 19273%
May 2496°F66°F111°F 198349°F 19273%
May 2596°F66°F109°F 198348°F 19263%
May 2696°F66°F113°F 195149°F 19803%
May 2797°F67°F112°F 198352°F 19183%
May 2897°F67°F115°F 198450°F 19482%
May 2998°F67°F112°F 195840°F 19902%
May 3098°F67°F112°F 198448°F 19182%
May 3198°F68°F110°F 193842°F 19902%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Surprise, in percent.012341102030
  • Chance of a wet day

Sunrise and sunset

Times for 2026, local time (MST).

May 1
sunrise 5:41 AM, sunset 7:13 PM
May 31
sunrise 5:20 AM, sunset 7:34 PM

Every day of May: 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.