Why Do Mice Come in the House in the Summer?

Find out why Mice come into the house in the Summer. Also, read a detailed guide on what can be done to get rid of Mice in your home.

Why Do Mice Come in the House in the Summer?

Mice are cute in cartoons but not so cute when they invade your home! Rodents and pests of all kinds carry bacteria, germs, and potentially dangerous diseases, and they may be more damaging to your home than you realize.

Mice may already be in your home, but they prefer lower, cooler temperatures during the summer, so you may see more mice in the summer than in the winter!

To keep mice and other pests out of your home, write down a few questions you might have about these pesky creatures, why they frequently mistake your home for their own, and how to keep them out for good!

Why Do Mice Come into House in Summer?

During the warm season, you may notice rodent activity in your home for three reasons: the rodents are looking for food, water, or shelter.

1. To Look for Food

The main reason mice come into your house in the first place is food, and nothing changes during the warm season.

Although rodents can find plenty of food outside of your house in the summer, the truth is that everyone including mice likes the easy way out.

And if the rodents dwelling inside your home found the way to the pantry, rest assured they’ll be using it all year round.

Your kitchen is another place where mice can get easy access to food, including crumbs and scraps that may end up on your floors and counters.

For this reason, you should sweep the countertops and floors each time after cooking or eating.


2. To Look for Water 

While food is abundant in summer, water may be hard to find in the wild. Mice in the summer can get into your house to look for water, especially during droughts. 

A mouse getting inside in summer to look for water will also find relief from heat inside your home and is very likely to find a shelter somewhere inside.

For this reason, you should always inspect your house’s exterior in spring and fix any holes or cracks that may be present after the winter.

3. For Shelter 

Mice nesting inside your walls (or even inside kitchen cabinet drawers) makes sense in the cold season. The low temperatures determine rodents to look for warmer places where they can spend the winter.

What you may not know is that mice also need shelter in summer.

In general, mice like heat and do well in temperatures between 86°F and 90°F. However, anything above this threshold causes heat stress in rodents. 

High humidity levels in summer combined with the high temperatures cause even more stress and could be life-threatening for mice.

That’s why most rodents will seek a cooler place to nest – and your home could be that place.

Once again, we can’t emphasize enough the importance of checking your house for potential entry points and fixing them in early spring to prevent mice infestations in summer.

Tips to Avoid Mice in the Summer

Dealing with a mouse infestation can be difficult. Mice reach sexual maturity quickly, and each female can have dozens of babies, implying that a small group of mice can quickly grow into a large colony.

Pay attention to these details this summer to avoid sharing your home with rodents:

1. Seal them out

The easiest way to prevent a rodent infestation is by sealing them out of your place. 

Look for holes in your walls, attic, and basement, as well as cracks or openings around the doors and windows. 

2. Trim Back Overgrown Vegetation 

If you didn’t know it, it’s time to find out that mice are excellent climbers.

They can climb on vertical walls if they want to, but overgrown vegetation can make it easier for them to get to a window level and hop inside your home. 

3. Remove Climbing Plants

Like shrubs and bushes, climbing plants make it easier for rodents to get to an open window and hop inside your house.

For this reason, you should avoid planting ivy or climbing roses next to your dwelling. These plants will climb on the walls and act as a ladder for mice.


Mice enter houses in the summer to find food and water, to escape the heat, and because winter weather may have caused damage to your home, creating cracks and crevices mice can use for easy access to the interior. Please, kindly share this content on all the available social media platforms.

CSN Team.

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