Pewaukee climate

Pewaukee Weather in May

NOAA 1991-2020 normals for Waukesha Wwtp, 8.4 km from Pewaukee

Average highs run from 62°F on May 1 to 73°F on May 31, and lows from 41°F to 51°F. Normal precipitation for the month is 3.97 in over about 13 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 Pewaukee, in °F, with the record for each date.20406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
67°F
Average low
46°F
Precipitation
3.97 in
Record high
101°FMay 31, 1934
Record low
25°FMay 1, 1943
Chance of a freeze
53%
Daylight
14 h 07 min to 15 h 08 min
Cloud cover
65%
Humidity
77%
Dew point
49°F
Wind
10.7 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
May 162°F41°F89°F 195225°F 194340%
May 262°F41°F85°F 196525°F 191140%
May 363°F42°F87°F 193829°F 191740%
May 463°F42°F89°F 195225°F 193540%
May 563°F42°F90°F 194931°F 190040%
May 664°F43°F91°F 193429°F 195440%
May 764°F43°F88°F 193428°F 202640%
May 865°F43°F87°F 197929°F 194740%
May 965°F44°F92°F 193425°F 194740%
May 1065°F44°F88°F 193427°F 190740%
May 1166°F44°F86°F 192227°F 191340%
May 1266°F45°F86°F 190029°F 192840%
May 1366°F45°F87°F 190027°F 192340%
May 1467°F45°F87°F 197730°F 189540%
May 1567°F46°F88°F 200731°F 192040%
May 1667°F46°F90°F 196232°F 192040%
May 1768°F46°F90°F 196230°F 198340%
May 1868°F46°F90°F 196232°F 192540%
May 1968°F47°F96°F 193430°F 192940%
May 2069°F47°F91°F 193429°F 189540%
May 2169°F47°F90°F 197728°F 200240%
May 2270°F48°F91°F 199434°F 191740%
May 2370°F48°F90°F 192131°F 191740%
May 2470°F48°F89°F 195033°F 192540%
May 2571°F49°F92°F 191129°F 192540%0%
May 2671°F49°F91°F 191130°F 192540%0%
May 2771°F49°F92°F 191132°F 196140%0%
May 2872°F50°F91°F 197734°F 189440%0%
May 2972°F50°F89°F 189533°F 193040%0%
May 3072°F50°F90°F 193733°F 189439%0%
May 3173°F51°F101°F 193434°F 189739%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Pewaukee, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (CDT).

May 1
sunrise 5:47 AM, sunset 7:54 PM
May 31
sunrise 5:17 AM, sunset 8:25 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00478937 (Waukesha Wwtp), public domain. Records: NOAA GHCN-Daily, station USC00478937, 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.