Columbia, South Carolina Weather
Fireflies pulse through the magnolias. Day 76 of spring. Read this microseason across nine climate regions →
Columbia weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——79°54°—
- ThursdayJun 4Clear——86°58°+7°
- FridayJun 5Overcast——90°61°+4°
- SaturdayJun 6Overcast——89°65°-1°
- SundayJun 7Overcast——93°68°+4°
- MondayJun 8Overcast46%—94°71°+1°
- TuesdayJun 9Light Drizzle37%0.01″82°61°-12°
Ozone at AQI 70 — peak already passed at 1 PM under clear skies. AQI flat over the last 6 hours (within ±4 points). Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 70 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 70
- UV peak
- 6.4 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 70
PM × Wind × Precip
PM2.5 at 5.5 µg/m³, PM10 at 6.6 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.83
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
The higher the clouds, the finer the weather.
- Moonrise
- 2:53 AM
- Moonset
- 12:41 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Columbia at a glance
- Today vs. normal: 79°F — typical for the season
- Last frost: March 11 (climatological average for this latitude)
- Microseason: Jun 1–5
- Planting window: Harvest spring lettuce before it bolts. Sow heat-tolerant greens.
Right now in the garden
Peak growing season
As of June 3, 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 stands as Columbia's warmest month with average temperatures around 82°F, while January brings the coldest conditions at roughly 45°F. Precipitation follows its own seasonal pattern, peaking in August at 4.7 inches and reaching its lowest point in November with 3.0 inches.
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 45° | 3.7″ | 7 |
| February | 48° | 3.6″ | 6 |
| March | 55° | 3.8″ | 6 |
| April | 63° | 3.2″ | 6 |
| May | 71° | 3.2″ | 6 |
| June | 78° | 4.4″ | 8 |
| July | 82° | 4.7″ | 8 |
| August | 80° | 4.7″ | 7 |
| September | 75° | 4.6″ | 6 |
| October | 64° | 3.2″ | 5 |
| November | 54° | 3.0″ | 4 |
| December | 48° | 4.1″ | 6 |
Regional context
Columbia belongs to the humid subtropical climate region, sharing similar temperature ranges, seasonal patterns, and growing conditions with other cities in this climatic zone.
Similar climates: Charleston, SC, Greenville, SC, Myrtle Beach, SC, Rock Hill, SC, Spartanburg, SC.
Naturalist notes
Late April brings the peak migration of wood warblers through Columbia's area, with dozens of species passing through during their northward journey.
Cherokee roses typically reach full bloom in May, their white petals opening as temperatures consistently warm.
Frequently asked
- When does it freeze in Columbia?
- Columbia's last spring frost typically occurs around mid-March, while the first fall frost usually arrives around mid-December.
- What is the rainy season in Columbia?
- August records the highest rainfall with approximately 4.7 inches on average; the city's annual total reaches roughly 46 inches.
- What is the warmest month in Columbia?
- July typically brings the warmest temperatures, averaging about 82°F.
- What is the coldest month in Columbia?
- January usually delivers the coldest weather, averaging about 45°F.
- When can I start a vegetable garden in Columbia?
- Cool-season crops like peas and lettuce can be planted around the last spring frost in mid-March; warm-season crops such as tomatoes and peppers should wait until 1–2 weeks after.
- How many rainy days does Columbia get?
- Columbia experiences about 75 rainy days per year on average.
- What hardiness zone is Columbia?
- Columbia'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
Columbia, South Carolina experiences a humid subtropical climate zone. Winter temperatures in January typically hover near 45°F, while July brings averages of 82°F — creating a 37°F seasonal swing.
Annual precipitation totals about 46 inches, distributed across roughly 75 rainy days throughout the year.
Several factors determine the city's weather patterns: its latitude at 34.0°N, proximity to large water bodies, and elevation. These elements combine to influence local plant growth, frost timing, and daily weather conditions.