Milwaukee, United States experiences average highs of 12°C (54°F) and lows of 7°C (45°F) throughout the year. Rainfall is moderate, averaging about 10 rainy days per month. Sunshine is abundant, averaging about 9 hours per day. Average highs have stayed broadly stable across the available records.
Milwaukee, United States Weather & Climate 2026
Monthly climate averages for Milwaukee, United States. Based on 10-year ERA5 reanalysis data.
Climate Overview
Drier season: Jan–Dec 
Wetter season: Apr–Oct At-a-Glance Climate Summary
Live Weather & Air Quality
Key figures
Climate Score
5/10
Best: June, July, August, September
UV Index
4
Low
Temperature 12°C / 7°C
Feels Like 10°C / 4°C
Rainy Days 10
Rainfall 77 mm
Sunshine 9 h
Humidity 75%
Wind Speed 22 km/h
Dew Point 5°C
Snow Days 6 days
Frost Days 16 days
Hottest Month
24°C
August
Avg Low20°C
Rain9days
Coldest Month
-6°C
January
Avg High-1°C
Rain8days
Driest Month
7days
February
Avg High1°C
Avg Low-5°C
Windiest Month
25 km/h
February (Gusts 44)
Worst Time to Visit
Consider avoiding January, February, March, December due to very cold temperatures.
Sun Position
Sunrise 05:13
Daylight 15.3h
Sunset 20:34
Live conditions—
Milwaukee on the map · live conditions
Milwaukee, United States
- Continent
- Americas
- Country
- United States
- City
- Milwaukee
- Population
- 563.5K
- Elevation
- 188 m
- Coordinates
- 43.04°, -87.91°
Seasonal Breakdown
Spring
Mar–May
Avg High 9°C
Avg Low 4°C
Rain 12 days/mo
Summer
Jun–Aug
Avg High 23°C
Avg Low 18°C
Rain 10 days/mo
3/3 best months
Autumn
Sep–Nov
Avg High 15°C
Avg Low 10°C
Rain 10 days/mo
1/3 best months
Winter
Dec–Feb
Avg High 1°C
Avg Low -5°C
Rain 8 days/mo
Climate Charts
Based on historical averages (2016–2025)
Monthly Temperatures
HighLowShaded bands show the typical range across the available yearly records.
Line chart showing monthly temperatures. Jan: -1°C / -6°C . Feb: 1°C / -5°C . Mar: 5°C / 0°C . Apr: 9°C / 4°C . May: 14°C / 9°C . Jun: 21°C / 16°C . Jul: 24°C / 20°C . Aug: 24°C / 20°C . Sep: 22°C / 17°C . Oct: 15°C / 11°C . Nov: 8°C / 3°C . Dec: 2°C / -2°C .
Monthly Rainfall
Rainfall
Bar chart showing monthly rainfall. Jan: 57 mm. Feb: 46 mm. Mar: 85 mm. Apr: 101 mm. May: 103 mm. Jun: 83 mm. Jul: 84 mm. Aug: 76 mm. Sep: 85 mm. Oct: 93 mm. Nov: 53 mm. Dec: 52 mm.
Monthly Humidity
Humidity
Line chart showing monthly humidity. Jan: 76%. Feb: 74%. Mar: 74%. Apr: 74%. May: 77%. Jun: 77%. Jul: 78%. Aug: 76%. Sep: 75%. Oct: 72%. Nov: 71%. Dec: 74%.
Monthly Wind Speed
Wind SpeedGusts
Bar chart showing monthly wind speed. Jan: 24 km/h . Feb: 25 km/h . Mar: 24 km/h . Apr: 24 km/h . May: 21 km/h . Jun: 20 km/h . Jul: 18 km/h . Aug: 18 km/h . Sep: 20 km/h . Oct: 23 km/h . Nov: 24 km/h . Dec: 25 km/h .
Sunshine
Sunshine
Sunshine: Jan: 5h. Feb: 7h. Mar: 8h. Apr: 9h. May: 10h. Jun: 12h. Jul: 12h. Aug: 11h. Sep: 9h. Oct: 7h. Nov: 6h. Dec: 5h.
UV Index
UV Index
Bar chart showing monthly UV index. Jan: UV 2. Feb: UV 3. Mar: UV 4. Apr: UV 5. May: UV 6. Jun: UV 7. Jul: UV 7. Aug: UV 6. Sep: UV 5. Oct: UV 4. Nov: UV 2. Dec: UV 2.
Monthly Daylight Hours
Daylight12h reference
Monthly Dew Point & Comfort
Dew Point Dry Comfortable Humid Muggy Oppressive
Snow Days
Snow DaysSnowfall
Snow Days: Jan: 11 days. Feb: 9 days. Mar: 7 days. Apr: 4 days. May: 0 days. Jun: 0 days. Jul: 0 days. Aug: 0 days. Sep: 0 days. Oct: 1 days. Nov: 4 days. Dec: 9 days.
Climate Trends
Average highs have stayed broadly stable across the available records. Average rainfall has remained broadly steady.
2016 to 2025
Avg high Avg rainfall
Climate summary
| Last 12 months | All years | |
|---|---|---|
| Hottest month | Jul 2025 · 25°C | Aug · 24°C |
| Coldest month | Jan 2025 · -8°C | Jan · -6°C |
| Wettest month | Jul 2025 · 113 mm | May · 103 mm |
| Windiest month | Jan 2025 · 26 km/h | Feb · 25 km/h |
Month-by-Month Weather Table
January
Poor 
February
Poor March
Poor April
Poor May
Fair June best
Excellent July best
Excellent August best
Excellent September best
Excellent October
Fair November
Poor December
Poor | Month | Temp | Feels Like | Rain | Sun | Humidity | UV | Status | Details |
|---|---|---|---|---|---|---|---|---|
| January | -1°C / -6°C | -6°C / -11°C | 8days (57 mm) Wet | 5.2h Fair | 76% Humid | 2 Low | Poor | View Details |
| February | 1°C / -5°C | -4°C / -11°C | 7days (46 mm) Good | 6.9h Fair | 74% Muggy | 3.1 Moderate | Poor | View Details |
| March | 5°C / 0°C | 0°C / -6°C | 10days (85 mm) Wet | 7.8h Good | 74% Muggy | 4.2 Moderate | Poor | View Details |
| April | 9°C / 4°C | 6°C / -1°C | 13days (101 mm) Wet | 9h Good | 74% Muggy | 5.3 High | Poor | View Details |
| May | 14°C / 9°C | 13°C / 6°C | 12days (103 mm) Wet | 10.2h Excellent | 77% Humid | 6.3 High | Fair | View Details |
| June best | 21°C / 16°C | 21°C / 15°C | 11days (83 mm) Wet | 11.8h Excellent | 77% Humid | 6.8 High | Excellent | View Details |
| July best | 24°C / 20°C | 27°C / 20°C | 10days (84 mm) Wet | 12.4h Excellent | 78% Humid | 7 High | Excellent | View Details |
| August best | 24°C / 20°C | 27°C / 21°C | 9days (76 mm) Wet | 11.3h Excellent | 76% Humid | 6.3 High | Excellent | View Details |
| September best | 22°C / 17°C | 22°C / 16°C | 10days (85 mm) Wet | 9.4h Good | 75% Muggy | 5.2 High | Excellent | View Details |
| October | 15°C / 11°C | 13°C / 7°C | 11days (93 mm) Wet | 7.2h Good | 72% Muggy | 3.6 Moderate | Fair | View Details |
| November | 8°C / 3°C | 4°C / -2°C | 8days (53 mm) Wet | 6.1h Fair | 71% Muggy | 2.3 Moderate | Poor | View Details |
| December | 2°C / -2°C | -3°C / -8°C | 8days (52 mm) Wet | 4.9h Fair | 74% Muggy | 1.7 Low | Poor | View Details |
Compare Nearby City Climates
Frequently Asked Questions
The best months to visit Milwaukee are June, July, August, September, when temperatures are comfortable and rainfall is at its lowest. This is based on 10-year climate averages for Milwaukee, scoring temperature, rainfall, humidity, and sunshine hours.
The hottest month in Milwaukee is August, with average daytime highs of 24°C (76°F). Plan outdoor activities for early morning or late afternoon if visiting during this period.
The coldest month in Milwaukee is January, with average overnight lows of -6°C (21°F). Pack warm layers and expect shorter daylight hours during this period.
The wettest month in Milwaukee is May, averaging 103mm of precipitation across 12 rainy days. An umbrella or waterproof jacket is essential.
The rainy season in Milwaukee runs through April, May, June, October, with the heaviest rainfall in April. Based on 10-year averages for Milwaukee.
Milwaukee receives approximately 102 sunshine hours per year. The sunniest month is July with around 12 hours. Based on climate data for Milwaukee.
The least favorable months to visit Milwaukee are January, February, March, December, primarily due to very cold temperatures. For the best conditions, consider June, July, August, September instead.
The annual average UV index in Milwaukee is 4, classified as moderate. Standard sun protection (sunscreen, hat) is recommended during prolonged outdoor exposure.
Average humidity in Milwaukee is 75%, classified as moderate. Humidity levels are generally comfortable and should not affect outdoor activities for most people.
Yes, Milwaukee receives snow. Months with snowfall average 6 snow days and 12 cm (5 in) of accumulation, with about 16 frost days during winter.
Average wind speeds in Milwaukee are 22 km/h (14 mph). The windiest month is February with peak winds reaching 25 km/h (15 mph) (gusts up to 44 km/h / 28 mph).
Milwaukee averages 4 clear-sky days per month with overall cloud cover around 61%. The clearest skies occur in September.
The annual average dew point in Milwaukee is 5°C (41°F), which feels dry and comfortable. Outdoor activities are comfortable year-round from a humidity standpoint.
Milwaukee has a Hot-Summer Continental climate, classified as Dfa under the Köppen system. Continental climates experience extreme temperature ranges — hot summers and cold, snowy winters.
The 'feels like' temperature in Milwaukee ranges from 4°C (39°F) to 10°C (50°F) on average. Wind chill makes winters feel noticeably colder than the actual temperature — layered clothing is recommended.
Yes, June is a great time to visit Milwaukee. It earns a climate score of 8.6/10 with Excellent.
For June in Milwaukee, pack Umbrella, Waterproof jacket, Sunscreen (SPF 30+), Sunglasses, Comfortable walking shoes. With average highs of 21°C (70°F) and 11 rainy days, these essentials will keep you comfortable.
Data Source
Climate data derived from ERA5 reanalysis (ECMWF), averaged over 2016–2025. Sea surface temperature from marine reanalysis data. Climate scores and seasonal estimates are computed by WorldStats.
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