Written by Amy, Camarattery ©
6/2021 edited and updated 1/2026

Maintaining Optimal Temperature for Your Pet Rats

As a responsible and caring rat breeder, I have observed that temperature control is one of the most crucial factors in ensuring the health and well-being of our beloved pets. As temperatures fluctuate throughout the year, it's essential to provide a stable and comfortable environment for your rats.

The Consequences of Incorrect Temperature

Incorrect temperature can lead to two severe consequences: mycoplasma (myco) outbreaks and heat stress. Myco is a common condition in pet rats, but it can be fatal if left untreated. Symptoms include red staining on the nose and eyes, snot, fur fluffing, back arching, and lethargy.

On the other hand, heat stress can occur when temperatures rise above 70°F (21°C). Signs of stress include lethargy, stretching out flat, and not moving. If left unchecked, this condition can be fatal in as little as a 3°F (1.6°C) temperature increase.

Understanding Temperature Zones

It's essential to recognize that rats from different breeders or regions may have varying temperature preferences. For instance, rats born in Idaho may not tolerate the heat of Arizona without proper acclimation. Similarly, newly acquired rats should be introduced to their new environment gradually, rather than being shocked with instant changes. My rats do not do well above 70°F.

Maintaining a Stable Temperature

To avoid myco outbreaks and heat stress, it's crucial to maintain a stable temperature range within your home. As a general rule, I recommend keeping the temperature between 64°F (15°C) and 70°F (21°C), with an ideal range of 66°F (19°C). Avoid sudden changes in temperature, as this can trigger myco outbreaks.

Cooling and Ventilation

In hot weather, it's essential to provide a cool environment for your rats. I recommend using ceramic tiles or frozen peas to keep them cool and calm. Additionally, consider investing in a high-quality ventilation system to regulate humidity and temperature levels.

Conclusion

As rat breeders, our primary concern is the health and well-being of our pets. By understanding the importance of temperature control and taking steps to maintain a stable environment, we can ensure that our rats live happy, healthy lives. Remember to plan ahead for seasonal changes, acclimate newly acquired rats, and prioritize their comfort above all else.