Milwaukee in August
In August, Milwaukee averages 26°C (79°F) during the day and 18°C (65°F) at night, with around 10 days of rain (78 mm total).
High seasonConditions are comfortable for sightseeing without being sweltering. Plan for unsettled weather and bring rain gear.
It's peak hurricane season in Milwaukee during August. Travel is possible but expect storm risk, possible flight disruption, and generally lower travel insurance coverage.
How August compares to the rest of the year in Milwaukee
August is one of the warmest months in Milwaukee (2nd of 12) and moderately rainy compared to the rest of the year (6th of 12). Daytime temperature runs 13°C above the annual average (13°C). August runs roughly the same as July (26°C) and cools 3°C in September (23°C).
August sunrise & sunset in Milwaukee
Times shown for Milwaukee local time (America/Chicago), calculated for the 15th of August. They shift by a few minutes day to day across the month.
Photography light in Milwaukee — August
Golden-hour and blue-hour windows for the 15th of August, in Milwaukee's local time. Use these for soft warm light (golden) or cool architectural twilight (blue).
📅 When to book — Milwaukee in August
Travel writers usually only tell you when to go. Here's when to book flights and lodging for the best mix of price and availability, based on August's tier (High season) and Milwaukee's popularity.
Crowds & pricing — August in Milwaukee
This is a busy month in Milwaukee — not the absolute peak, but tourist numbers are clearly elevated. You'll feel it at headline attractions on weekends and in the historic centre, though side streets and lesser-known sights stay manageable. Prices are above off-season but not at their summit. A good week for first-time visitors who want everything open without the worst of the crush.
Why this tier: excellent tourism weather Northern Hemisphere summer holidays peak hazard season (1 active)
Sun & mosquito risk — August in Milwaukee
UV is a clear-sky sea-level estimate — clouds, altitude, and reflective surfaces (snow, water) shift it ±30%. Mosquito risk is climate-derived only; for current disease advisories (dengue, malaria, zika) check the CDC or WHO travel pages before your trip.
Milwaukee in other months
| Month | Avg high | Avg low | Rainfall | Rain days | Snow days |
|---|---|---|---|---|---|
| January | -1°C / 30°F | -8°C / 18°F | 47 mm | 8 | — |
| February | 0°C / 32°F | -8°C / 17°F | 49 mm | 8 | — |
| March | 5°C / 42°F | -2°C / 28°F | 66 mm | 10 | — |
| April | 11°C / 51°F | 3°C / 37°F | 102 mm | 13 | — |
| May | 17°C / 63°F | 9°C / 48°F | 104 mm | 12 | — |
| June | 23°C / 74°F | 15°C / 59°F | 113 mm | 12 | — |
| July | 26°C / 79°F | 18°C / 65°F | 83 mm | 10 | — |
| August | 26°C / 79°F | 18°C / 65°F | 78 mm | 10 | — |
| September | 23°C / 73°F | 16°C / 60°F | 98 mm | 10 | — |
| October | 15°C / 60°F | 9°C / 48°F | 108 mm | 10 | — |
| November | 8°C / 46°F | 1°C / 34°F | 52 mm | 7 | — |
| December | 3°C / 37°F | -3°C / 26°F | 57 mm | 9 | — |
Other cities with similar August weather
🌍 See the full ranked list of climate twins for Milwaukee in August →
Frequently asked questions
How hot is Milwaukee in August?
In August, Milwaukee averages a high of 26°C (79°F) and a low of 18°C (65°F) — generally warm.
Does it rain a lot in Milwaukee in August?
August can be fairly wet in Milwaukee, with about 10 rainy days on average.
Is August a good time to visit Milwaukee?
August is warm. It suits travelers who are comfortable with warm weather; check the month-by-month ranking to compare it against the rest of the year.
What should I pack for Milwaukee in August?
Pack light layers for warm days and cooler evenings, plus a compact umbrella or rain jacket. See the full August packing list for Milwaukee for a complete, climate-based checklist.
Check the live 10-day forecast and sunrise/sunset.