Whitney, South Carolina Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Whitney weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 3Clear——78°53°—
- ThursdayJun 4Clear——85°57°+7°
- FridayJun 5Overcast——88°61°+3°
- SaturdayJun 6Overcast——88°65°0°
- SundayJun 7Overcast——91°67°+3°
- MondayJun 8Showers40%0.59″92°69°+1°
- TuesdayJun 9Overcast32%—70°62°-22°
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust. AQI up 6 over the last 6 hours (gradual rise).
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 7.3 µg/m³ (AQI 41) with a 0.97 fine-to-coarse ratio and 4 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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).
A summer fog for fair, a winter fog for rain.
- Moonrise
- 3:41 AM
- Moonset
- 1:42 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Whitney at a glance
- Today vs. normal: 14°F below the seasonal normal for this latitude
- Last frost: March 17 (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 4, 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
Whitney's warmest month is July (~79°F mean) and its coldest is January (~43°F). Rainfall peaks in March (4.8 inches) and bottoms out in September (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
Whitney sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Charleston, SC, Columbia, SC, Greenville, SC, Myrtle Beach, SC, Rock Hill, SC.
Frequently asked
- When does it freeze in Whitney?
- Whitney's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Whitney?
- March is the wettest month with about 4.8 inches of rain on average; the city receives roughly 50 inches annually.
- What is the warmest month in Whitney?
- July is typically warmest, averaging about 79°F.
- What is the coldest month in Whitney?
- January is typically coldest, averaging about 43°F.
- When can I start a vegetable garden in Whitney?
- Cool-season crops (peas, lettuce) can be sown around the last spring frost (mid-March); warm-season crops (tomatoes, peppers) wait until 1–2 weeks after.
- How many rainy days does Whitney get?
- Whitney averages about 77 rainy days per year.
- What hardiness zone is Whitney?
- Whitney'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
Whitney, South Carolina sits in a humid subtropical climate zone. January means hover near 43°F while July averages 79°F — a 37°F seasonal swing.
Across the year, Whitney receives about 50 inches of precipitation spread over roughly 77 rainy days.
The rhythm of the year is set by latitude (35.0°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.