Weather in Greenwich, Kansas
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Thunderstorm—92°66°
- SundayMay 17Thunderstorm—88°70°
- MondayMay 18Thunderstorm50%91°74°
- TuesdayMay 19Light Drizzle72%77°51°
- WednesdayMay 20Overcast—70°48°
- ThursdayMay 21Drizzle36%69°54°
- FridayMay 22Light Drizzle21%73°58°
- PM 2.5
- 5.3 μg/m³
- PM 10
- 6.5 μg/m³
- NO₂
- 2.0 μg/m³
- Ozone
- 99.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 11:27 AM
- Moonset
- 2:02 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Greenwich at a glance
- Today vs. normal: 4°F above the seasonal normal for this latitude
- Last frost: April 3 (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
Greenwich's warmest month is July (~82°F mean) and its coldest is January (~33°F). Rainfall peaks in May (5.2 inches) and bottoms out in January (0.8 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 33° | 0.8″ | 2 |
| February | 38° | 1.2″ | 3 |
| March | 47° | 2.3″ | 4 |
| April | 57° | 3.1″ | 5 |
| May | 67° | 5.2″ | 7 |
| June | 77° | 4.9″ | 7 |
| July | 82° | 4.0″ | 6 |
| August | 80° | 4.3″ | 5 |
| September | 72° | 3.0″ | 4 |
| October | 59° | 2.9″ | 4 |
| November | 46° | 1.4″ | 3 |
| December | 36° | 1.2″ | 2 |
Frequently asked
- When does it freeze in Greenwich?
- Greenwich's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Greenwich?
- May is the wettest month with about 5.2 inches of rain on average; the city receives roughly 34 inches annually.
- What is the warmest month in Greenwich?
- July is typically warmest, averaging about 82°F.
- What is the coldest month in Greenwich?
- January is typically coldest, averaging about 33°F.
- When can I start a vegetable garden in Greenwich?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-April); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Greenwich get?
- Greenwich averages about 52 rainy days per year.
- What hardiness zone is Greenwich?
- Greenwich'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
Greenwich, Kansas sits in a humid subtropical climate zone. January means hover near 33°F while July averages 82°F — a 48°F seasonal swing.
Across the year, Greenwich receives about 34 inches of precipitation spread over roughly 52 rainy days.
The rhythm of the year is set by latitude (37.8°N), proximity to large water bodies, and elevation — all of which shape what grows here, when frost is likely, and what the weather story looks like day to day.