Greenville, Georgia Weather
Cicadas claim the scorching afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Greenville weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast10%—94°72°—
- SundayJul 5Overcast31%—95°74°+1°
- MondayJul 6Light Showers47%—92°72°-3°
- TuesdayJul 7Drizzle44%—92°71°0°
- WednesdayJul 8Drizzle29%—90°71°-2°
- ThursdayJul 9Drizzle23%—90°71°0°
- FridayJul 10Light Drizzle40%—95°72°+5°
AQI 70 (Moderate), driven by Ozone. AQI up 5 over the last 6 hours (gradual rise). Ozone at AQI 86 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 75 around 1 PM.
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 86 now. With UV 6.6 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 75 around 1 PM.
- Present
- AQI 86
- UV peak
- 6.6 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 75
PM × Wind × Precip
PM2.5 at 21.7 µg/m³, PM10 at 26.7 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.81
- Wind
- light
- 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).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:24 PM
- Moonset
- 10:51 AM
- In sign
- ♓︎ Pisces
Cicadas claim the scorching afternoon
Greenville at a glance
- Today vs. normal: 6°F above the seasonal normal for this latitude
- Last frost: March 5 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 30222
16-Day Forecast — Greenville
- Sat94°72°10%
- Sun95°74°31%
- Mon92°72°47%
- Tue92°71°44%
- Wed90°71°29%
- Thu90°71°23%
- Fri95°72°40%
- Sat94°73°39%
- Sun92°71°33%
- Mon80°67°23%
- Tue74°66°16%
- Wed74°66°29%
- Thu88°67°32%
- Fri74°71°32%
- Sat93°69°34%
- Sun94°72°39%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 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.
SPC Convective Outlook
Storm Prediction Center — Greenville
SPC includes Greenville in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
Microseason · July 1–5
Cicadas claim the scorching afternoon
Dog-day cicadas emerge in waves, their rasp dominating every sunny hour; heat peaks above 90 degrees daily.
Day 185 of 365 · Wedge 37 of 72
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
Greenville's warmest month is July (~81°F mean) and its coldest is January (~45°F). Rainfall peaks in March (4.9 inches) and bottoms out in May (3.1 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 45° | 4.3″ | 7 |
| February | 49° | 4.6″ | 7 |
| March | 55° | 4.9″ | 7 |
| April | 62° | 3.8″ | 6 |
| May | 70° | 3.1″ | 6 |
| June | 78° | 4.5″ | 7 |
| July | 81° | 4.8″ | 7 |
| August | 80° | 4.0″ | 7 |
| September | 74° | 3.5″ | 5 |
| October | 64° | 3.4″ | 4 |
| November | 53° | 3.9″ | 5 |
| December | 47° | 4.6″ | 7 |
Regional context
Greenville's climate, from NOAA NCEI 1991-2020 station normals, pairs 45°F Januarys with 81°F Julys — a 36°F swing. About 49.3 inches of precipitation falls over roughly 74 days a year.
Greenville's precipitation spreads evenly: March peaks at 4.9 inches on 7.1 wet days, while May holds 3.1 inches over 6.1 — no month dominates Greenville's rain calendar. It is a balanced pattern Greenville shares with places like Woodbury, GA, Gay, GA and Warm Springs, GA.
Greenville's growing window opens around mid-March, once Greenville's overnight lows stop freezing — sow peas, lettuce, spinach, and radishes. Warm-soil crops in Greenville wait about two weeks past Greenville's last frost, once the soil warms. Around mid-December, freezing nights resume in Greenville and tender crops must come in. In Greenville, low spots run 4-7°F colder than nearby slopes, nudging Greenville's frost dates a week.
Similar climates: Woodbury, GA, Gay, GA, Warm Springs, GA, Lone Oak, GA, Luthersville, GA.
Frequently asked
- When does it freeze in Greenville?
- Frost typically leaves Greenville by mid-March and returns to Greenville near mid-December.
- What is the rainy season in Greenville?
- Rainfall in Greenville peaks in March near 4.9 inches, out of about 49 inches annually.
- What is the warmest month in Greenville?
- On average July tops the year in Greenville at about 81°F.
- What is the coldest month in Greenville?
- The coldest stretch in Greenville falls in January, around 45°F on average.
- When can I start a vegetable garden in Greenville?
- In Greenville, sow peas and hardy greens around mid-March; Greenville's tomatoes and peppers wait two weeks more.
- How many rainy days does Greenville get?
- Expect roughly 74 wet days a year in Greenville.
- What hardiness zone is Greenville?
- With January around 45°F, Greenville's zone reflects that minimum — the USDA ZIP map confirms Greenville's band.
- What is the 10-day forecast for Greenville?
- Greenville's extended outlook — daily high and low temperatures and precipitation chances for each upcoming day — is in the daily forecast above.
- Will it rain this week in Greenville?
- See this week's day-by-day rain chances for Greenville in the daily forecast above, and the next 24 hours in the hourly chart.
- What is the weather like right now in Greenville?
- Current conditions for Greenville and the next 24 hours — temperature, precipitation chance, and wind by the hour — are in the hourly forecast chart above.
- How often is the Greenville forecast updated?
- The Greenville forecast on this page is built from Open-Meteo weather-model data and refreshes regularly through the day.
- When are sunrise and sunset in Greenville?
- Today's sunrise and sunset times for Greenville are in the Almanac section above, along with civil dawn, civil dusk, and day length. Day length is longest near the summer solstice and shortest near the winter solstice.
- How accurate is the weather forecast for Greenville?
- The next few days in Greenville's forecast are the most reliable; accuracy declines beyond about a week as weather-model uncertainty grows.
Climate
Set in a humid subtropical zone, Greenville, Georgia swings from 45°F in the heart of winter to 81°F at midsummer — a 36°F arc.
Greenville sees close to 49 inches of precipitation annually, falling across some 74 wet days.
Greenville sits at 33.0°N; that 36°F seasonal swing frames planting windows and frost dates across Greenville.
ZIP codes in Greenville
- 30222