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Mosquito Season in Atlanta: What to Expect Throughout the Year
If you live in Alpharetta, Newnan, or anywhere in Metro-Atlanta, you already know mosquitoes are a part of life here. What surprises many people, though, is just how long the season lasts and how different species seem to come and go as the months change.
Unlike colder parts of the country where a hard freeze knocks out mosquitoes for the year, our warm and humid climate means they stick around much longer. In fact, most years we’re dealing with mosquitoes for eight months or more. Here’s a look at the types you’re most likely to see in Alpharetta and Newnan, and when they tend to show up.
The Culprits Behind the Bites
One of the most common mosquitoes in Georgia is the Asian tiger mosquito, easy to recognize with its black-and-white stripes. These are the ones that don’t wait until dusk — they’ll bite in the middle of the day, especially if you’re working in the yard or sitting on a shaded porch. They love small containers of water like flowerpots, buckets, or clogged gutters, which makes them tough to control without regular cleanup.
Then there’s the Southern house mosquito, which most people notice right around sunset. They prefer stagnant, murky water such as storm drains or ditches, and they’re also the main species linked to West Nile virus in our state.
After a heavy Georgia thunderstorm, you may notice another group called floodwater mosquitoes. These species lay eggs in low, damp spots, and when rain fills those areas, the eggs hatch all at once. That’s why it can feel like swarms appear overnight.
There are other species out there too — Georgia has dozens — but these three groups are the ones homeowners deal with the most.
When They’re Active
Spring (March–April): The first warm rains wake things up. Floodwater species and house mosquitoes are usually the early arrivals.
Late Spring (May): Asian tiger mosquitoes join the mix, and you’ll start noticing more bites during the day.
Summer (June–August): This is peak mosquito season. Nearly all species are out, and any summer storm is followed by another wave of activity. Evenings outdoors can be pretty miserable without protection.
Fall (September–October): Mosquitoes don’t disappear just because school’s back in session. Asian tigers, in particular, often hang around through October and sometimes even into November if nights stay warm.
Winter (November–February): Activity slows way down, but it doesn’t typically vanish entirely. Eggs survive in standing water, ready to hatch when spring rolls around, and on unseasonably warm days you may still spot a few stragglers.
Why Our Season Lasts So Long
The simple answer is climate. Atlanta’s mix of heat, humidity, and rainfall makes the perfect breeding ground for mosquitoes. A true hard freeze that kills off adults is rare here, and their eggs are tough enough to survive until the next warm spell. That’s why our season stretches so much longer than it does up north.
What This Means for Your Yard
Because mosquitoes don’t just disappear after summer, it’s important to think of control as a season-long effort. Cleaning up standing water, keeping gutters clear, and trimming dense shrubs all help cut down on breeding sites. But for most families, professional mosquito control is what really makes the difference, since it targets the areas where mosquitoes actually rest and hide. Most customers choose our Buzz Off Treatment Plan or install an Automated Mosquito Misting System for maximum control. Eco-forward families love our Chemical-Free Treatments for mosquito reduction as well.
Common Questions
When does mosquito season officially start in Atlanta?
Usually in March, right after the first warm rains.
When does it end?
Most years, you’ll still be swatting them in October — and sometimes into November if it stays mild.
Which ones bite during the day?
That’s the Asian tiger mosquito. They’re aggressive and active in full daylight.
Which species spreads West Nile virus here?
The Southern house mosquito is the main culprit in Georgia.
Mosquito season in Atlanta isn’t just a summer problem. It stretches from spring through fall, with different species becoming active at different times. Knowing what to expect can help you stay one step ahead — and if you’d rather enjoy your yard without worrying about the science behind it, that’s where Torpedo Mosquito comes in. We provide season-long protection for families wanting to enjoy their Milton backyard patio, host barbecues in Marietta, or tend to their garden in Newnan. However you like to spend your outdoor time in the Atlanta area, we want to help you do it comfortably and safely without the swatting!
Quick Answers About Mosquito Season in Atlanta
When does mosquito season start in Atlanta?
Mosquito season typically begins in March, right after the first warm rains of spring. That’s when eggs laid the previous year start to hatch.
When does it end?
Most years, mosquitoes remain active through October, and in warmer falls, you may still see them into November.
Why is mosquito season so long in Georgia?
Atlanta’s warm, humid climate and frequent rainfall create ideal breeding conditions. Unlike colder states, Georgia rarely gets a hard freeze that wipes out mosquito populations, so activity lasts eight or more months a year.
Which mosquito is most common in Atlanta?
The Asian tiger mosquito (Aedes albopictus) is one of the most common pest species in North Georgia. It’s a daytime biter that thrives in shaded yards and water-holding containers.
Which mosquito spreads West Nile virus here?
The Southern house mosquito (Culex quinquefasciatus) is the primary carrier of West Nile virus in Georgia and is most active at dusk and night.
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