Weather in Spartanburg, South Carolina
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 10:34 AM
- Moonset
- 12:48 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Spartanburg at a glance
- Today vs. normal: NaN°F below the seasonal normal for this latitude
- Last frost: March 17 (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
Peak growing season
As of May 17, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
Planting calendar
| Month | Plant | Harvest |
|---|---|---|
| January | — | — |
| February | — | — |
| March | lettuce, peas, spinach, radishes | — |
| April | lettuce, peas, spinach, radishes, tomatoes, peppers, beans, squash | — |
| May | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| June | tomatoes, peppers, beans, squash | lettuce, peas, radishes |
| July | — | tomatoes, beans, summer squash |
| August | — | tomatoes, beans, summer squash |
| September | — | tomatoes, beans, summer squash |
| October | fall brassicas, garlic (overwinter), carrots | winter squash, tomatoes (last) |
| November | fall brassicas, garlic (overwinter), carrots | — |
| December | — | — |
A year in weather
July brings Spartanburg's peak heat with average temperatures around 79°F, while January delivers the year's coldest weather at roughly 43°F. March sees the heaviest rainfall at 4.8 inches, with September marking the driest period at 3.6 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 43° | 4.3″ | 7 |
| February | 46° | 3.8″ | 7 |
| March | 53° | 4.8″ | 7 |
| April | 61° | 4.3″ | 7 |
| May | 69° | 3.9″ | 6 |
| June | 76° | 4.6″ | 7 |
| July | 79° | 4.0″ | 7 |
| August | 78° | 4.6″ | 6 |
| September | 73° | 3.6″ | 5 |
| October | 62° | 3.9″ | 5 |
| November | 51° | 3.7″ | 6 |
| December | 45° | 4.7″ | 7 |
Regional context
Located in the humid subtropical climate region, Spartanburg shares temperature ranges, seasonal cycles, and growing conditions with other cities across this zone.
Similar climates: Charleston, SC, Columbia, SC, Greenville, SC, Myrtle Beach, SC, Rock Hill, SC.
Naturalist notes
Late March brings the return of Ruby-throated Hummingbirds to Spartanburg's gardens and woodlands.
Dogwood trees typically reach full bloom across the area during early April.
Frequently asked
- When does it freeze in Spartanburg?
- The last spring frost in Spartanburg usually occurs around mid-March, while the first fall frost typically arrives around mid-December.
- What is the rainy season in Spartanburg?
- March records the highest rainfall with approximately 4.8 inches on average, contributing to the city's annual total of roughly 50 inches.
- What is the warmest month in Spartanburg?
- July typically brings the warmest temperatures, with averages around 79°F.
- What is the coldest month in Spartanburg?
- January usually delivers the coldest weather, averaging approximately 43°F.
- When can I start a vegetable garden in Spartanburg?
- Cool-season vegetables like peas and lettuce can be planted around the last spring frost in mid-March, while warm-season crops such as tomatoes and peppers should wait 1–2 weeks after.
- How many rainy days does Spartanburg get?
- Spartanburg experiences approximately 77 rainy days annually.
- What hardiness zone is Spartanburg?
- Spartanburg's USDA hardiness zone reflects its average minimum winter temperatures; the USDA's online zone finder using the city ZIP code provides the current designation.
Climate
Spartanburg, South Carolina experiences a humid subtropical climate. Winter temperatures in January average around 43°F, while July brings summer heat averaging 79°F — creating a 37°F seasonal swing.
Annual precipitation totals approximately 50 inches, distributed across roughly 77 rainy days throughout the year.
Weather patterns here depend on the city's latitude of 34.9°N, nearby water bodies, and local elevation. These factors determine growing seasons, frost timing, and daily weather conditions.