Weather in Milwaukee in July

United States · 20-year averages, July

A good month. July is a solid month to be in Milwaukee. Highs average 28 °C, lows 17.4 °C, and rain falls on 12 days — nothing in the month is working against you.

July ranks 4 of 12 in Milwaukee: past the worst of the year but short of September, which is the month to book if the dates are open.

Rain on 12 days, 3 of them heavy. Enough to need a plan B, not enough to need a plan around it. Nothing specialised needed — this is the month you pack for the trip rather than for the weather.

What the averages hide

Averages flatten a month, and this one hides a few things: 8 days top 30 °C — hot spells arrive, but they break. Across the twenty years measured, the hottest July day reached 40.4 °C and the coldest night fell to 8.8 °C, and the wettest single day dropped 71 mm — roughly 76% of the month's rain in one day.

July is statistically steady but not small: the year-to-year variation is modest in relative terms, yet the wettest July on record still delivered 225 mm against 47 mm in the driest. In a month this wet, even a tame spread is a lot of rain in absolute terms — the 94 mm average is a reasonable planning figure, not a promise.

Wind is light at 9.1 km/h, so the temperature on the page is close to the temperature on your skin, and humidity is unremarkable at 74%.

How July sits in the year

Temperatures hold steady either side: 24.6 °C in June, 28 here, 27.5 in August. Nothing about the timing within the month matters much.

Daylight in July

July is at or near the longest days of Milwaukee's year: 15.1 hours of daylight, losing 0.7 hours across the month. Evenings are the real gain — dinner outdoors still happens in full light.

An inland climate

With no coast nearby, the year swings a fair way — 38.7 °C between the warmest afternoons and the coldest nights, wider than any coastal city at this latitude would manage.

How busy it gets

Peak season. Expect the highest prices of the year and to be booking well ahead.

Crowd levels are estimated from climate desirability and school-holiday calendars, not from visitor numbers.

July in Milwaukee versus nearby

If Milwaukee is one option among several, the nearby comparison is worth making. Chicago is close enough to be a coin toss — 2.9 °C cooler, the same number of rain days. Grand Rapids is close enough to be a coin toss — within a degree on temperature, 1 day less rain.

So: July works, with September the better month by 8 points if the dates can move. If they cannot, nothing here should stop you booking.

Every month in Milwaukee

MonthHigh °CLow °CRain daysRain mmHumidity %Daylight hScore
January-2.3-10.7 740899.325
February-0.7-9.8 7438710.525
March6.2-3.1 9598111.834
April12.92 11967813.455
May18.97.8 141097814.668
June24.613.9 131257715.374
July2817.4 12947415.172
August27.517 12100741474
September23.612.9 10907612.680
October15.75.7 10827811.166
November7.9-0.5 755829.847
December0.5-6.8 75488926

See all twelve months in Milwaukee, or where else to go in July.

Planning the rest of the trip

Built and maintained by Amit Sharma, Auckland, New Zealand. I build these sites so the answer is free and the data is public.

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