How do I maintain the correct temperature gradient in my leopard gecko's enclosure during winter?
To keep your leopard gecko healthy, aim for a warm side of 88–92°F (31–33°C) and a cool side of 75–80°F (24–27°C) during winter.
Temperature Gradient
Maintaining a temperature gradient in your leopard gecko's enclosure is crucial during winter. The warm side should be 88–92°F (31–33°C) to provide the belly heat they need, while the cool side should be 75–80°F (24–27°C) to allow them to thermoregulate.
Leopard geckos are ectothermic, meaning they rely on external heat sources to regulate their body temperature. The gradient allows them to move between the warm and cool sides to maintain an optimal body temperature, which is essential for digestion and overall health.
- Warm side: 88–92°F (31–33°C)
- Cool side: 75–80°F (24–27°C)
- Maintain a 10–15°F (5–8°C) gradient between the warm and cool sides.
Controlling Temperature
To control the temperature on the warm side, use a heat mat placed under one end of the enclosure. Ensure it's on a thermostat to maintain the desired temperature. For the cool side, the room temperature should naturally be cooler.
Use a digital thermometer at the animal's level to monitor the temperature accurately. Place it on the warm side to ensure the heat mat is working effectively and on the cool side to check the room's temperature.
- Use a heat mat on the warm side.
- Set the thermostat to maintain 88–92°F (31–33°C) on the warm side.
- Monitor the temperature with a digital thermometer at the animal's level.
Humidity and Lighting
Humidity should be around 60–70% during winter. Use a hygrometer to measure it and adjust with a humid hide and proper ventilation.
Provide a UVB light for 10–12 hours a day to simulate natural daylight and support vitamin D3 synthesis.
- Maintain humidity between 60–70%.
- Use a hygrometer to monitor humidity.
- Provide a humid hide in the enclosure.
- Use a UVB light for 10–12 hours a day.
Observable Signs
If the warm side is too cool, your gecko may become lethargic and have difficulty digesting. If it's too warm, they may overheat and show signs of stress.
On the cool side, if it's too warm, the gecko may not be able to thermoregulate properly. If it's too cool, they may become stressed and exhibit signs of illness.
- Signs of too cool warm side: Lethargy, difficulty digesting.
- Signs of too warm warm side: Overheating, stress.
- Signs of too warm cool side: Inability to thermoregulate.
- Signs of too cool cool side: Stress, illness.
Keep reading about Leopard Gecko: Leopard Gecko care sheet
Related questions
How often should I check the temperature in my gecko's enclosure?
Check the temperature at least twice a day, especially during winter when temperature regulation is critical.
What should I do if my gecko's enclosure is too warm?
Turn off or move the heat source away from the enclosure and increase ventilation to lower the temperature.
How can I increase humidity in my gecko's enclosure?
Use a water dish, a humid hide, and mist the enclosure with water to increase humidity.
Not veterinary advice. This guide covers husbandry — housing, feeding, cleaning and handling. If your leopard gecko is injured, off food unusually long, or behaving abnormally, contact a veterinarian.