What Does Mosquito Season Look Like in Your State?

Now that spring has officially arrived, you will most likely be spending more time making the most of the outdoors. Unfortunately, this wonderful time of year also signals the arrival of one of the most notorious backyard pests: mosquitoes.


As the temperatures outside begin to rise you will start to see more and more mosquitoes invade your outdoor space, which is why you need the best mosquito control possible.

Mosquito season has most likely already begun or will begin soon in your region of the country. However, mosquito season does not look the same in every part of the country, and it is important to understand mosquito activity in all regions.

Here is what mosquito season will most likely look like in each region of the United States this year:


As one of the warmest regions in the country, the southeast has a mosquito season that lasts from February – April to as late as early November. Mosquitoes need warm weather to survive, so states that are typically warm (and wet) for the majority of the year, such as Florida and Alabama, provide an ideal habitat for these pests. 

Mosquito activity is expected to be higher than normal due to the amount of rain and high temperatures likely to occur in 2021. In states further south like Florida, mosquitoes may be around for the entire year, depending on if temperatures drop below 50 degrees Fahrenheit.


While you might not expect to be bothered by mosquitoes in the northeast until mid-April to early May, the northeast still has one of the hottest summers in the country.

Plus, there are a lot of standing bodies of water in the northeast, which means plenty of opportunities for mosquitoes to breed. This is why getting rid of standing water around your home is one of the best mosquito control measures you can practice. 

According to the National Weather Service, northeastern states will most likely experience heavier rainfall than other areas of the United States this year. The hot temperatures combined with heavy rainfall mean the northeast will see higher-than-average mosquito activity.


The harsh winters in the midwest usually mean mosquito season is shorter there than in the rest of the country. However, midwest summers are still very hot and wet, two conditions that are perfect for mosquitoes.

Mosquito activity will likely be higher in 2021 than in 2020 in the midwest, with a hotter and wetter summer this year according to the National Weather Service. 

The midwest also has one of the highest rates of reported mosquito-borne illnesses in the country, especially in states like Wisconsin and the Dakotas.


States in the southwest like Texas and Arizona are known for being dry, meaning this region of the country has a notoriously long mosquito season. Mosquito activity in the southwest this year is predicted to be higher than average, starting in February – April, and ending in mid-October to early November.

The southwest is also most likely going to have a wet summer this year, meaning a higher chance for mosquito breeding.


Mosquito season in the northwest runs from about mid-April to late October. The National Weather Service predicts that there is a 50 to 80 percent chance the northwestern summer will be hotter and wetter than usual this year. This region typically experiences a lot of rainfall and is expected to get more than usual this summer.  

With temperatures rising around the world due to global warming, mosquito activity continues to rise as well. The warm temperatures, in addition to significant amounts of rain predicted for this year, mean that conditions are perfect for mosquito activity. In order to practice the best mosquito control, whatever region you live in, hiring a mosquito control professional is crucial.

Find your local mosquito control company here.

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