Byron, Georgia Weather
Fireflies pulse through the magnolias. Day 77 of spring. Read this microseason across nine climate regions →
Byron weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJun 4Clear——84°57°—
- FridayJun 5Overcast——89°61°+5°
- SaturdayJun 6Overcast——86°64°-3°
- SundayJun 7Overcast14%—86°67°0°
- MondayJun 8Overcast40%—88°73°+2°
- TuesdayJun 9Overcast33%—89°72°+1°
- WednesdayJun 10Light Drizzle28%—82°68°-7°
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust. AQI down 5 over the last 6 hours (steady decline since this morning).
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 34 now. With UV 3.3 peaking around 1 PM under clear skies, surface ozone likely climbs to AQI 15 by mid-afternoon.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- clear
- Projected peak
- AQI 15
PM × Wind × Precip
PM2.5 at 6.1 µg/m³ (AQI 34) with a 0.97 fine-to-coarse ratio and 5 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.97
- Wind
- light
- 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
- 3:42 AM
- Moonset
- 1:57 PM
- In sign
- ♑︎ Capricorn
Fireflies pulse through the magnolias
Byron at a glance
- Today vs. normal: 19°F below the seasonal normal for this latitude
- Last frost: March 3 (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
Byron's warmest month is July (~83°F mean) and its coldest is January (~48°F). Rainfall peaks in July (4.8 inches) and bottoms out in October (2.6 inches).
| Month | Mean temp | Precip | Rainy days |
|---|---|---|---|
| January | 48° | 4.3″ | 7 |
| February | 51° | 4.2″ | 6 |
| March | 58° | 4.3″ | 6 |
| April | 65° | 3.6″ | 6 |
| May | 73° | 2.6″ | 5 |
| June | 80° | 4.4″ | 7 |
| July | 83° | 4.8″ | 7 |
| August | 81° | 4.4″ | 7 |
| September | 76° | 3.7″ | 4 |
| October | 66° | 2.6″ | 4 |
| November | 56° | 3.4″ | 5 |
| December | 50° | 4.6″ | 6 |
Regional context
Byron sits within a humid subtropical climate region — a cohort that shares similar temperature ranges, seasonal patterns, and growing conditions across nearby cities.
Similar climates: Atlanta, GA, Augusta, GA, Savannah, GA, Columbus, GA, Gainesville, GA.
Frequently asked
- When does it freeze in Byron?
- Byron's last spring frost typically falls around mid-March, and the first fall frost arrives around mid-December.
- What is the rainy season in Byron?
- July is the wettest month with about 4.8 inches of rain on average; the city receives roughly 47 inches annually.
- What is the warmest month in Byron?
- July is typically warmest, averaging about 83°F.
- What is the coldest month in Byron?
- January is typically coldest, averaging about 48°F.
- When can I start a vegetable garden in Byron?
- 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 Byron get?
- Byron averages about 69 rainy days per year.
- What hardiness zone is Byron?
- Byron'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
Byron, Georgia sits in a humid subtropical climate zone. January means hover near 48°F while July averages 83°F — a 35°F seasonal swing.
Across the year, Byron receives about 47 inches of precipitation spread over roughly 69 rainy days.
The rhythm of the year is set by latitude (32.6°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.