Weather in Columbiana, Ohio
Roses open along the stoops. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 17Overcast17%84°59°
- MondayMay 18Overcast—89°64°
- TuesdayMay 19Light Drizzle36%82°64°
- WednesdayMay 20Drizzle70%68°44°
- ThursdayMay 21Overcast11%64°39°
- FridayMay 22Drizzle24%54°50°
- SaturdayMay 23Light Showers43%67°51°
- PM 2.5
- 4.1 μg/m³
- PM 10
- 4.3 μg/m³
- NO₂
- 5.9 μg/m³
- Ozone
- 61.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 10:07 AM
- Moonset
- 1:04 AM
- In sign
- ♊︎ Gemini
Roses open along the stoops
Columbiana at a glance
- Today vs. normal: 8°F below the seasonal normal for this latitude
- Last frost: April 21 (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
Columbiana's warmest month is July (~72°F mean) and its coldest is January (~27°F). Rainfall peaks in July (4.3 inches) and bottoms out in February (2.5 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 27° | 3.0″ | 8 |
| February | 29° | 2.5″ | 7 |
| March | 37° | 3.2″ | 8 |
| April | 49° | 3.8″ | 9 |
| May | 59° | 3.7″ | 8 |
| June | 68° | 3.9″ | 8 |
| July | 72° | 4.3″ | 7 |
| August | 70° | 3.5″ | 7 |
| September | 63° | 3.8″ | 6 |
| October | 52° | 3.3″ | 8 |
| November | 42° | 3.0″ | 7 |
| December | 32° | 3.2″ | 8 |
Regional context
Columbiana sits within a warm-summer humid continental climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Cleveland, OH, Akron, OH, Toledo, OH, Youngstown, OH, Canton, OH.
Frequently asked
- When does it freeze in Columbiana?
- Columbiana's last spring frost typically falls around mid-April, and the first fall frost arrives around mid-November.
- What is the rainy season in Columbiana?
- July is the wettest month with about 4.3 inches of rain on average; the city receives roughly 41 inches annually.
- What is the warmest month in Columbiana?
- July is typically warmest, averaging about 72°F.
- What is the coldest month in Columbiana?
- January is typically coldest, averaging about 27°F.
- When can I start a vegetable garden in Columbiana?
- 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 Columbiana get?
- Columbiana averages about 92 rainy days per year.
- What hardiness zone is Columbiana?
- Columbiana'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
Columbiana, Ohio sits in a warm-summer humid continental climate zone. January means hover near 27°F while July averages 72°F — a 45°F seasonal swing.
Across the year, Columbiana receives about 41 inches of precipitation spread over roughly 92 rainy days.
The rhythm of the year is set by latitude (40.9°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.