What do you do with bats in the winter?
Emma Payne
Published Jan 21, 2026
During hibernation, bats need roosts that are cool and remain at a constant temperature. They often move into underground sites, such as caves.
What do bats do to survive the winter?
Bats use a lot of energy flying around and must consume a lot of food, such as insects, to fuel their daily activities. When cold weather drives insects away, bats must choose to hunker down and hibernate or migrate to warmer areas with more abundant food supply.
What temperature is too cold for a bat?
At What Temperature Is It Too Cold To Use My Bat? The industry recommendation is 60 degrees Fahrenheit. Certain manufacturers, such as Easton, recommend avoiding temperatures as low as 50 degrees Fahrenheit for their aluminum models.
Do bats hibernate in your house at winter?
You might even find them wedged into holes in an old brick wall or in the roof of your house. Old barns and abandoned buildings are favoured spots to roost in. Caves and old mine shafts can also provide good conditions for bats to winter in, as long as they have a constant temperature and are free from damp and frost.
Do bats come back to the same place every night?
''They always come back to the same roost. '' And therein lies the problem if the roost is under your roof: bats that have taken up residence in your house are likely to return there after heading south for the winter -- if, that is, they decide to leave in the first place.
39 related questions foundWill bats leave my attic in winter?
Bats will hibernate in the winter if the temperature stays at around 35 to 40° F. If it gets colder than that, the bats in the attic will migrate out, allowing you to seal up cracks and other entry points once they leave for the season.
Can bats freeze to death?
Bats hibernate in caves, mines, rock formations and even in your home. These locations, known as hibernacula, generally have just the right temperature and humidity levels to keep the bats from freezing to death while they're waiting out the winter months.
What should I do if I find a bat in my house?
Close interior doors and give the bat a way to get outside. If the bat doesn't exit on their own, it is best to wait until they land to try to catch them. Important: Never try to handle a bat with your bare hands. Wear thick work gloves—but not cotton, as most bats can easily bite through cotton.
Do bats leave in winter?
Some bats leave for the winter, but most hibernate in their nest. In April, these same bats return to their nesting places. If the bats have a nest in your home, they will return to the same spot, year after year.
How long can a bat survive in your house?
If there is no food or water, a bat trapped in a house will die within 24 hours. Even after it is dead, you should not touch or go near the bat. Some animals seem scarier than they are, but bats are every bit as dangerous as they seem. Bats carry numerous diseases which are deadly to humans.
How do I know if bats are hibernating in my attic?
Fluttering Noises in Your Walls or Attic
You'll then usually hear bats fluttering around in your attic, looking for food. On the other hand, if temperatures drop sharply, then bats hibernating in an attic will often move into the walls, closer to the warmth of the house.
Can you remove bats from your house?
The easiest way to get rid of bats is through a process called exclusion. Bats love old houses: All those crumbling chimneys, cracks and holes, and vents with missing screens are open doors for little mammals that can squeeze through a 3/8″ x 1″ crack, or into a hole smaller than a quarter.
What do bats eat in the winter time?
Bats' most common source of food are insects. But once winter rolls around and the temperature drops, the bugs go away, resulting in a scarce food supply. When this happens, bats hibernate. According to the National Park Service, bats hibernate to reduce their metabolic, heart, and respiratory rates.
Where do bats migrate to in the winter?
Silver-haired bats commonly overwinter in Illinois, Indiana, West Virginia, and Tennessee, and a few winter as far south as Arizona and Texas. They typically are found hibernating deep in cliff-face crevices, tree hollows, or even in woodpiles.
Why are bats out in the winter?
Bats awaken occasionally during winter to move around a bit, or to adjust to changing temperatures if their spot is suddenly too warm or cold. It is at this time that they can find their way out of the crawl space and into the house.
How long does a bat live?
Although most bats live less than 20 years in the wild, scientists have documented six species that life more than 30 years. In 2006, a tiny bat from Siberia set the world record at 41 years . The Townsend's big-eared bat's average lifespan is 16 years. Photo by Ann Froschauer, USFWS.
How do I get rid of bats?
How to Get Rid of Bats Outdoors
- Cover Fruit Trees – If fruit bats are present in your area, placing netting over any fruit trees on your property will limit their access to food. ...
- Keep Lights On – Bats dislike bright lights. ...
- Install Noise or Visual Deterrents – Stillness and quiet are ideal for bats.
Do bats wake up during hibernation?
During hibernation (or more accurately torpor), Big Brown bats commonly wake up every couple weeks. During this awakened period, they may move around or even fly short distances.
How do I get rid of bats in my attic?
How to Get Rid of Bats and Save Your Sanity
- Try a Bat Removal Device or Repellent. A bat excluder works great if you know where the bats are getting in. ...
- Seal Up Any Holes. ...
- Clean Up the Mess. ...
- When in Doubt, Call a Professional.
Does one bat in the house mean more?
One random bat in the house doesn't always mean anything. Most of the people that call us have had at least two or three instances of bats in the house over the last few years though. Multiple bats in your house is a very strong indication of an infestation. Most bat colonies found in houses are maternal colonies.
Where do bats hide in the day?
Where are bats during the day? During the day bats sleep in trees, rock crevices, caves, and buildings. Bats are nocturnal (active at night), leaving daytime roosts at dusk. Upon leaving their roost, bat fly to a stream, pond, or lake where they dip their lower jaw into the water while still in flight and take a drink.
What do little brown bats do in the winter?
Little brown bats hibernate in winter, generally tucking in during October and not reappearing until April, although a young bat may stay aloft for a few extra weeks in fall in order to build up its fat reserves. Their ideal winter roost (hibernaculum) is a cave or mine with a constant temperature and humidity.
What do brown bats do in the winter?
Hibernacula are a type of roost that is occupied in the winter months. Little brown bats choose buildings, caves, trees, rocks, and wood piles as roost sites. They may migrate hundreds of miles to get from their summer habitats to hibernacula.
What do bats do in the winter Minnesota?
Tree bats migrate every winter to warmer climates, tree bats live in trees not homes. Cave bats hibernate in Minnesota and need supplemental heat to survive our Minnesota winters, cave bats live in homes and other heated structures. So in Minnesota a bat house is a temporary structure.
Is it safe to live in a house with bats in the attic?
Is It Dangerous to Have Bats in Your Attic? Bats in themselves are pretty harmless, gentle creatures, but you still don't want them in your home. Bats can expose humans and animals to potentially life-threatening diseases, including rabies. In addition, bat droppings can also be extremely dangerous to humans and pets.