Weather in Overland Park, Kansas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Thunderstorm—87°65°
- SundayMay 17Overcast11%87°70°
- MondayMay 18Thunderstorm35%83°63°
- TuesdayMay 19Light Showers73%74°52°
- WednesdayMay 20Overcast—64°46°
- ThursdayMay 21Overcast14%65°50°
- FridayMay 22Overcast17%68°55°
- PM 2.5
- 6.8 μg/m³
- PM 10
- 8.1 μg/m³
- NO₂
- 5.5 μg/m³
- Ozone
- 79.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:13 AM
- Moonset
- 1:55 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Overland Park at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: April 9 (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
Warm-season window is open
As of May 17, the last spring frost has passed for most years. Transplant tomatoes, peppers, eggplants, basil, and cucurbits (cucumbers, squash, melons) now. Direct-sow beans and corn into warm soil.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | — | — |
| April | lettuce, peas, spinach, radishes | — |
| May | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | tomatoes, peppers, beans, squash | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | fall brassicas, garlic (overwinter), carrots | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | — | — |
| December | — | — |
A year in weather
July brings Overland Park's peak warmth at roughly 78°F mean temperature, while January delivers the year's coldest conditions around 30°F. May produces the heaviest rainfall at 5.4 inches, contrasting sharply with January's meager 1.1 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 30° | 1.1″ | 2 |
| February | 35° | 1.4″ | 3 |
| March | 45° | 2.3″ | 5 |
| April | 55° | 3.9″ | 7 |
| May | 65° | 5.4″ | 8 |
| June | 74° | 5.2″ | 7 |
| July | 78° | 4.2″ | 5 |
| August | 77° | 4.4″ | 5 |
| September | 68° | 3.5″ | 5 |
| October | 57° | 3.0″ | 6 |
| November | 44° | 2.0″ | 3 |
| December | 34° | 1.4″ | 2 |
Regional context
Overland Park falls within the humid subtropical climate region, sharing temperature ranges, seasonal rhythms, and growing conditions with neighboring cities throughout this climate zone.
Similar climates: Wichita, KS, Kansas City, KS, Topeka, KS, Olathe, KS, Lawrence, KS.
Naturalist notes
Eastern redbuds typically bloom in early April across Overland Park, their magenta flowers emerging before the leaves unfurl.
American robins begin their spring song around late March, marking the seasonal shift with their clear, liquid notes at dawn.
Frequently asked
- When does it freeze in Overland Park?
- Spring's final frost usually occurs around mid-April in Overland Park, while the first fall frost typically arrives around mid-November.
- What is the rainy season in Overland Park?
- May receives the most rainfall, averaging about 5.4 inches, while the city's total annual precipitation reaches roughly 38 inches.
- What is the warmest month in Overland Park?
- July typically records the highest temperatures, averaging about 78°F.
- What is the coldest month in Overland Park?
- January brings the coldest temperatures, averaging about 30°F.
- When can I start a vegetable garden in Overland Park?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-April, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Overland Park get?
- Overland Park experiences about 59 rainy days per year on average.
- What hardiness zone is Overland Park?
- Overland Park's USDA hardiness zone depends on its lowest average winter temperature; the USDA's online lookup tool using the city ZIP code provides the current zone designation.
Climate
Overland Park, Kansas experiences a humid subtropical climate zone. Winter temperatures in January hover near 30°F, while July brings averages of 78°F, creating a 48°F seasonal swing.
Annual precipitation totals about 38 inches across roughly 59 rainy days throughout the year.
Local weather patterns emerge from the city's latitude at 38.9°N, along with proximity to large water bodies and elevation factors. These elements determine what plants thrive, when frost threatens, and how daily weather unfolds.