Best Time to Visit Waukesha: Month-by-Month Guide

Best months for Waukesha: September, July, August, June.

  • Best months for Waukesha: September, July, August, June.
  • Peak season is July, August, June. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: May, September. Good weather without the busiest period.
  • Wettest months: April, May, June.
  • The least pleasant month is January (score 4.0).

Year at a glance

-2° -9° J 1° -7° F 7° -2° M 14° 4° A 20° 10° M 25° 15° J 28° 18° J 27° 17° A 23° 13° S 16° 7° O 8° 0° N 1° -6° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January -2°C-9°C46 mm 8– – 4.0
February 1°C-7°C44 mm 7– – 4.2
March 7°C-2°C59 mm 9– – 5.2
April 14°C4°C101 mm 12– – 6.0
May 20°C10°C97 mm 12– – 7.1
June 25°C15°C95 mm 12– – 7.5
July 28°C18°C86 mm 10– – 7.7
August 27°C17°C90 mm 10– – 7.7
September 23°C13°C75 mm 9– – 7.9
October 16°C7°C72 mm 9– – 6.9
November 8°C0°C55 mm 8– – 5.6
December 1°C-6°C51 mm 8– – 4.1

Frequently asked questions

When is the best time to visit Waukesha?

The best months are September, July, August, June.

When is the rainy season in Waukesha?

The wettest months are April, May, June.