Weather in Byron, Georgia
Roses open on the Piedmont edge. Day 59 of spring. Read this microseason across nine climate regions →
- TodayMay 16Overcast—85°52°
- SundayMay 17Overcast22%91°67°
- MondayMay 18Mostly Clear—92°68°
- TuesdayMay 19Overcast—89°63°
- WednesdayMay 20Overcast23%92°67°
- ThursdayMay 21Light Drizzle48%93°67°
- FridayMay 22Light Drizzle53%90°67°
- PM 2.5
- 21.1 μg/m³
- PM 10
- 23.6 μg/m³
- NO₂
- 22.6 μg/m³
- Ozone
- 50.0 μg/m³
- UV Index
- 0.0 Low
When the dew is on the grass, rain will never come to pass.
- Moonrise
- 10:49 AM
- Moonset
- 12:49 AM
- In sign
- ♊︎ Gemini
Roses open on the Piedmont edge
Byron at a glance
- Today vs. normal: 11°F below the seasonal normal for this latitude
- Last frost: March 3 (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
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.