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What's Typical in North and Central Georgia?
an overview of the climatology of the area comprising the northern half of the state

Variance in the climate across north Georgia is largely a function of terrain. Most of the northern half of the state is made up of rolling hills with elevation ranging from about 400 feet across the midstate to generally between 800 and 1100 feet across the rest of the area. The climate of this region is fairly uniform. A notable exception is in the northeast corner of the state occupied by the Appalachian Mountains. Although average elevation in the "Northeast Georgia Mountains" is less than 2000 feet, there are mountains that reach elevations between 4000 and 5000 feet. The climate here differs significantly from the rest of north Georgia.

Climatology of the Northeast Mountains

Temperature Temperature - The area experiences all four seasons. Summers typically consist of lengthy spells of warm and humid weather. Average afternoon high temperatures are in the lower 80s. Readings of 90 or higher can be expected on 15 to 25 days. Overnight lows are usually in the 60s.

Temperatures during winter months are more variable. Oftentimes, stretches of relatively mild weather will alternate with cold snaps. Winter high temperatures average in the 40s, with lows averaging in the 20s. Lows of 32 degrees or lower can be expected on 90 to 110 days each year.

Spring and Autumn seasons are characterized by much variability from day to day and from year to year. The average dates of the first freeze in the autumn are in October. The average dates of the last freeze in the spring are in April.

Precipitation - Annual rainfall amounts average over 60 inches, with measuable amounts of rain typically recorded on around 140 days each year. Snow falls on a average of 5 days each year, producing average seasonal total snowfall of about 4 to 6 inches.

Averaging over many years, the driest months are September and October while the wettest month is March. Thunderstorms are common in the spring and summer months. On a typical year, thunder will be heard on 50 to 60 days.

Climatology of North Georgia (excluding the Mountains)

Temperature Temperature - The area experiences all four seasons. Summers typically consist of long spells of warm and humid weather. Average afternoon high temperatures are in the upper 80s to around 90. Readings of 90 or higher can be expected on 30 to 60 days. Overnight lows usually range from the middle 60s to lower 70s.

Temperatures during winter months are more variable. Oftentimes, stretches of mild weather will alternate with cold spells. Winter high temperatures average in the 50s. Lows average in the mid to lower 30s. Lows of 32 degrees or lower can be expected on 50 to 70 days.

Spring and Autumn seasons are characterized by much variability from day to day and from year to year. The average date of the first freeze in the autumn is in late October. The average date of the last freeze in the spring is in early April.

Precipitation - A measurable amount of rain falls on about 120 days each year, producing amounts averaging between 50 and 55 inches. As for snowfall, the average annual total is 1 or 2 inches in the northern counties. Usually this snowfall occurs on just one or two days.

Averaging over many years, the driest months are September and October while the wettest month is March. Thunderstorms are common in the spring and summer months. On a typical year, thunder will be heard on 50 to 60 days.

Climatology of Central Georgia

Temperature Temperature - The area experiences all four seasons. Summers typically consist of long spells of warm and humid weather. Average afternoon high temperatures are in the lower 90s. Readings of 90 or higher can be expected on 70 to 80 days. Overnight lows usually range from the upper 60s to lower 70s.

Temperatures during winter months are more variable. Oftentimes, stretches of mild weather will alternate with cold spells. Winter high temperatures average in the mid 50s to lower 60s. Lows average in the mid 30s. Lows of 32 degrees or lower can be expected on 40 to 50 days.

Spring and Autumn seasons are characterized by much variability from day to day and from year to year. The average date of the first freeze is in mid-November. The average date of the last freeze in the spring is in mid to late March.

Precipitation - A measurable amount of rain falls on about 120 days each year, producing amounts averaging between 45 and 50 inches. As for snowfall, the average annual total is less than one inch.

Averaging over many years, the driest months are September and October while the wettest month is March. Thunderstorms are common in the spring and summer months. On a typical year, thunder will be heard on 50 to 60 days.

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