Weather in Kenosha, Wisconsin
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Light Rain65%83°60°
- SundayMay 17Rain34%85°54°
- MondayMay 18Light Showers59%77°63°
- TuesdayMay 19Showers40%74°54°
- WednesdayMay 20Overcast—55°43°
- ThursdayMay 21Overcast—58°42°
- FridayMay 22Overcast12%59°48°
- PM 2.5
- 9.7 μg/m³
- PM 10
- 10.4 μg/m³
- NO₂
- 22.7 μg/m³
- Ozone
- 78.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 10:30 AM
- Moonset
- 1:40 AM
- In sign
- ♊︎ Gemini
Roses open along the stoops
Kenosha at a glance
- Today vs. normal: 67°F — typical for the season
- Last frost: May 2 (climatological average for this latitude)
- Microseason: 28 of 72, May 16–20
- Planting window: Direct sow okra, melons, and southern peas. Thin carrot rows.
Right now in the garden
Cool-season window is open
As of May 17, the cool-season window is open or about to open. Direct-sow peas, lettuce, spinach, radishes, and brassicas now. Hold off on warm-season crops until 1–2 weeks after the last spring frost (around May).
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | — | — |
| May | lettuce, peas, spinach, radishes | lettuce, peas, radishes |
| June | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | tomatoes, peppers, beans, squash, fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | — | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
Kenosha's warmest month is July (~73°F mean) and its coldest is January (~22°F). Rainfall peaks in May (4.4 inches) and bottoms out in February (1.9 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 22° | 2.1″ | 6 |
| February | 26° | 1.9″ | 4 |
| March | 36° | 2.6″ | 5 |
| April | 47° | 4.1″ | 7 |
| May | 58° | 4.4″ | 7 |
| June | 68° | 4.2″ | 6 |
| July | 73° | 3.9″ | 6 |
| August | 71° | 3.3″ | 6 |
| September | 64° | 3.4″ | 5 |
| October | 52° | 3.0″ | 5 |
| November | 39° | 2.5″ | 6 |
| December | 28° | 2.3″ | 4 |
Regional context
Kenosha sits within a warm-summer humid continental climate region, a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions with other nearby cities.
Similar climates: Milwaukee, WI, Madison, WI, Appleton, WI, Green Bay, WI, Racine, WI.
Naturalist notes
In late May, common milkweed stems reach about knee height in unmowed lots, and monarch butterflies return to lay eggs on the undersides of young leaves.
Clear evenings in early June give the first good look at the Summer Triangle rising in the east — Vega appears highest and brightest, with Deneb and Altair trailing below it.
Frequently asked
- When does it freeze in Kenosha?
- Kenosha's last spring frost typically falls around mid-May, and the first fall frost arrives around mid-October.
- What is the rainy season in Kenosha?
- May is the wettest month with about 4.4 inches of rain on average; the city receives roughly 38 inches annually.
- What is the warmest month in Kenosha?
- July is typically warmest, averaging about 73°F.
- What is the coldest month in Kenosha?
- January is typically coldest, averaging about 22°F.
- When can I start a vegetable garden in Kenosha?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-May); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Kenosha get?
- Kenosha averages about 67 rainy days per year.
- What hardiness zone is Kenosha?
- Kenosha's USDA hardiness zone is determined by its lowest average winter temperature; check the USDA's online lookup with the city ZIP for the current zone designation.
Climate
Kenosha, Wisconsin falls within a warm-summer humid continental climate zone. January means sit near 22°F while July averages 73°F — a 51°F seasonal swing.
Across the year, Kenosha receives about 38 inches of precipitation spread over roughly 67 rainy days.
Latitude (42.6°N), nearby large water bodies, and elevation set the rhythm of the year. They influence what grows here, when frost is likely, and the shape of daily weather.