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Milwaukee, Wisconsin climate
Dfa Hot-summer humid continental
Milwaukee has a strongly seasonal cool-temperate climate (Hot-summer humid continental, Köppen Dfa). The hottest month is July with an average daily high near 83°F, while the coldest is January averaging around 14°F at night. Around 34 inches of precipitation falls each year, peaking in June (4.8 inches) and easing off in January (1.5 inches). Winters bring significant snowfall (40 inches of snow per year on average).
Temperature & precipitation
Daily high–low temperature range with the monthly average, plus monthly precipitation split into rain and snow · 1991–2020 normals · hover a month for the exact figuresClear vs cloudy days
Share of days each month that are clear, partly cloudy or cloudy · 1991–2020 · hover a month for the day countsMilwaukee climate normals (1991–2020)
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 30 | 34 | 44 | 56 | 68 | 78 | 83 | 81 | 74 | 61 | 47 | 35 |
| Avg temp (°F) | 22 | 25 | 35 | 46 | 58 | 68 | 73 | 71 | 64 | 51 | 39 | 28 |
| Avg low (°F) | 14 | 17 | 26 | 36 | 48 | 58 | 63 | 62 | 53 | 42 | 30 | 21 |
| Precipitation (in) | 1.5 | 1.5 | 1.8 | 3.7 | 3.7 | 4.8 | 3.6 | 3.7 | 3.0 | 2.7 | 2.1 | 1.7 |
| Snowfall (in) | 11.0 | 9.9 | 5.3 | 1.5 | — | — | — | — | — | — | 2.0 | 9.8 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Avg high (°F) | 30 | 34 | 44 | 56 | 68 | 78 |
| Avg temp (°F) | 22 | 25 | 35 | 46 | 58 | 68 |
| Avg low (°F) | 14 | 17 | 26 | 36 | 48 | 58 |
| Precipitation (in) | 1.5 | 1.5 | 1.8 | 3.7 | 3.7 | 4.8 |
| Snowfall (in) | 11.0 | 9.9 | 5.3 | 1.5 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Avg high (°F) | 83 | 81 | 74 | 61 | 47 | 35 |
| Avg temp (°F) | 73 | 71 | 64 | 51 | 39 | 28 |
| Avg low (°F) | 63 | 62 | 53 | 42 | 30 | 21 |
| Precipitation (in) | 3.6 | 3.7 | 3.0 | 2.7 | 2.1 | 1.7 |
| Snowfall (in) | — | — | — | — | 2.0 | 9.8 |
How often — frequency of weather events
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 8 | 9 | 11 | 13 | 10 | 9 | 9 | 8 | 10 | 9 | 9 |
| Days with high ≥ 90°F (days) | — | — | — | 0.0 | 0.8 | 4 | 6 | 4 | 2 | 0.0 | — | — |
| Days with low ≤ 32°F (days) | 27 | 26 | 22 | 8 | 0.4 | — | — | — | 0.1 | 4 | 16 | 25 |
| Days with snowfall ≥ 1 in (days) | 4 | 3 | 2 | 0.4 | — | — | — | — | — | 0.0 | 0.7 | 3 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 10 | 8 | 9 | 11 | 13 | 10 |
| Days with high ≥ 90°F (days) | — | — | — | 0.0 | 0.8 | 4 |
| Days with low ≤ 32°F (days) | 27 | 26 | 22 | 8 | 0.4 | — |
| Days with snowfall ≥ 1 in (days) | 4 | 3 | 2 | 0.4 | — | — |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Days with measurable rain (days) | 9 | 9 | 8 | 10 | 9 | 9 |
| Days with high ≥ 90°F (days) | 6 | 4 | 2 | 0.0 | — | — |
| Days with low ≤ 32°F (days) | — | — | 0.1 | 4 | 16 | 25 |
| Days with snowfall ≥ 1 in (days) | — | — | — | 0.0 | 0.7 | 3 |
Sky & atmosphere
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 64 | 65 | 66 | 65 | 60 | 52 | 54 | 53 | 64 | 67 | 67 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 5 | 5 | 6 | 8 | 9 | 9 | 6 | 4 | 5 |
| Partly cloudy days (30–70%) | 11 | 11 | 11 | 9 | 11 | 11 | 14 | 12 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 16 | 13 | 16 | 16 | 15 | 13 | 10 | 11 | 11 | 16 | 16 | 17 |
| Relative humidity (%) | 90 | 87 | 81 | 77 | 77 | 77 | 74 | 74 | 74 | 77 | 82 | 88 |
| Wind speed (mph) | 9.7 | 9.6 | 8.9 | 8.8 | 7.5 | 6.3 | 5.8 | 5.6 | 6.6 | 7.8 | 8.4 | 8.7 |
| Jan – Jun | Jan | Feb | Mar | Apr | May | Jun |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 66 | 64 | 65 | 66 | 65 | 60 |
| Clear days (≤ 30% cloud) | 4 | 4 | 5 | 5 | 5 | 6 |
| Partly cloudy days (30–70%) | 11 | 11 | 11 | 9 | 11 | 11 |
| Cloudy days (≥ 70%) | 16 | 13 | 16 | 16 | 15 | 13 |
| Relative humidity (%) | 90 | 87 | 81 | 77 | 77 | 77 |
| Wind speed (mph) | 9.7 | 9.6 | 8.9 | 8.8 | 7.5 | 6.3 |
| Jul – Dec | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|
| Cloud cover (%) | 52 | 54 | 53 | 64 | 67 | 67 |
| Clear days (≤ 30% cloud) | 8 | 9 | 9 | 6 | 4 | 5 |
| Partly cloudy days (30–70%) | 14 | 12 | 10 | 9 | 9 | 9 |
| Cloudy days (≥ 70%) | 10 | 11 | 11 | 16 | 16 | 17 |
| Relative humidity (%) | 74 | 74 | 74 | 77 | 82 | 88 |
| Wind speed (mph) | 5.8 | 5.6 | 6.6 | 7.8 | 8.4 | 8.7 |
Methodology & sources
Temperature & precipitation — the official 1991–2020 climate normals from NOAA's U.S. Climate Normals, measured at MT Mary College (NOAA GHCN station USC00475474), about 11 km from the city centre.
Cloud, humidity, wind & sunshine — modelled estimates from NASA POWER, NASA's satellite-and-reanalysis climatology. This is the standard global source for atmospheric variables, which are not measured at most weather stations.