What's the worst month for fleas?
Alivia Hermiston
2025-09-05 06:58:51
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: 20
Fleas love to thrive in warm, damp conditions and proliferate throughout what is known as the ‘flea season’, typically running from Spring to early-Autumn. Although they’re less prevalent when the thermometer drops, unfortunately, it’s a common misconception that fleas don’t continue to be a problem over the winter months, long after the typical ‘flea season’. Fleas typically thrive in warm environments, around 23 degrees Celsius, which just so happens to be the temperature we like to keep our homes cosy at throughout the colder months. As we crank up our thermostats in winter, fleas will make a beeline, (or flea-line), for our warm pets and homes. Your home and outbuildings can stay warm and humid enough to keep the creepy critters active throughout the year. And because they don’t hibernate over the season, they can continue to breed and hatch eggs throughout winter if it’s warm enough.
Margarita Herzog
2025-08-28 12:39:53
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: 25
The worst time of the year for fleas is from September through November. Here in Illinois, flea season starts in May and runs into winter. Fleas and ticks are a nuisance during this time, and it's essential to take precautions to prevent them from harming your family. Fleas are active during this period and can cause allergic reactions in both animals and humans. They also carry diseases such as tapeworms, typhus, plague, and bartonellosis. Ticks are also active during this time and can carry diseases like Lyme disease, Rocky Mountain Spotted Fever, Anaplasmosis, and Babesiosis. As the temperatures get cooler and the days get shorter, it's not a sign that you are free from the dangers of fleas and ticks.
Edwin Langworth
2025-08-26 19:50:04
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: 22
While fleas are a problem all year round, summer is definitely worse. Fleas thrive in warm, humid conditions. Because UK summers have higher temperatures and indoor heating may still be used, flea populations often spike. Eggs hatch faster, larvae mature quickly and adult fleas become more active. Fleas tend to spread more rapidly in summer. Pets spend more time outside, so they are more likely to pick up fleas from gardens or other animals. Because one flea can lay dozens of eggs per day, numbers increase sharply during summer. So, is summer the flea season in the UK? Absolutely.
Maxwell Weber
2025-08-19 11:05:25
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: 17
Flea season starts in May and runs all the way into the winter when temperatures begins to drop below freezing. The worst time of the year is during late summer to late fall, from September through November. Many may think that the summer months are the worst time of the year when it comes to flea infestations, but in fact, flea season continues in full force beyond that and into the late fall months. Adult fleas die at temperatures colder than 46.4°F (8°C) and hotter than 95°F (35°C). During the hot summer months, fleas can’t survive outdoors if the temperature exceeds 95°F for more than 40 hours per month even if the average temperature during that month is much cooler.
When considering the duration of flea season, it is important to understand your own climate based on your geographic location, as a much warmer southern climates will allow for flea survival even throughout typically cold winter months, and colder climates will have a much narrower window of survival throughout the year. Conversely, extremely hot climates will not allow for the survival of fleas during the hotter summer months, so it is important to understand the nature of your local climate and how the typical range of flea season can vary from place to place.
Lucy Kemmer
2025-08-06 18:24:42
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: 19
With July to September being the worst months for fleas due to the warm and humid conditions, you might want to get ahead of the game on protecting your fluffy housemates. The tiny, jumping menaces seem to appear in their fur out of nowhere and thrive in the summer months. They survive by feasting on the blood of their hosts, and unfortunately, our four-legged pals often make the perfect meal. Once settled in a warm environment, they seize the chance to reproduce, laying numerous eggs and establishing a perpetual infestation. This ongoing process, known as the flea life cycle, is challenging to interrupt but not impossible. Administering monthly doses prevents fleas from returning and protects your home from an infestation. We’ve got bad news – 95% of adult fleas actually live in your home environment, not on your pet.
Michelle Hauck
2025-08-06 18:14:00
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: 19
Most people assume that fleas can't survive in cold weather and are therefore nothing to worry about in winter. In actual fact, thanks to central heating, the average temperature in a typical UK home is 22°C, so fleas are benefiting from thriving conditions all year round. Double-glazing, fitted carpets, and thermostatically-controlled radiators in every room might well afford us much welcomed comfort and warmth during the winter months, but it would also appear that we have inadvertently turned our homes into the perfect all-weather breeding ground for fleas. At Vet-Medic, we operate a free helpline offering pet owners expert, impartial veterinary advice and we have noticed that there is very much a seasonal trend to the calls we receive about flea control, with enquiries significantly reducing as we move into winter. Because people are more relaxed with regards flea treatments at this time of year, the chances of getting a serious infestation is quite high which can lead to significant health problems for both pet and owner. Spring and summer are most commonly perceived as the worst times of year for dog and cat flea infestations, but Vet-Medic's John Rosie is warning that complacency amongst pet owners during colder months may lead to a winter flea infestation for some homes in the UK.
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