Crested geckos, those adorable little reptiles with eyelash-like crests, have become a favorite among pet owners in the USA.
Crested geckos need 72–78°F during the day and 65–70°F at night. Avoid temperatures above 80°F or below 60°F to keep them healthy and comfortable.
In this guide, we’ll dive into the ideal temperature range for crested geckos, why it matters, how to maintain it, and common pitfalls to avoid. Whether you’re a first-time gecko owner or a seasoned reptile enthusiast, this article has you covered.
Why Temperature Matters for Crested Geckos
Crested geckos are ectothermic, meaning they rely on their environment to regulate their body temperature. Unlike mammals, they can’t generate their own heat, so the temperature in their enclosure directly affects their metabolism, digestion, activity levels, and overall health. Too hot, and they can suffer from heat stress; too cold, and their bodily functions slow down, leading to lethargy or illness. Getting the temperature just right ensures your gecko thrives, displaying its vibrant colors and playful personality.
In the wild, crested geckos live in tropical forests with mild temperatures and high humidity. Your goal as a pet owner is to mimic these conditions as closely as possible. Fortunately, crested geckos are more forgiving than some other reptiles when it comes to temperature, but there’s still a specific range you need to aim for.
The Ideal Temperature Range
For crested geckos, the ideal temperature range is 72–78°F (22–25.5°C) during the day, with a slight drop at night to 65–70°F (18–21°C). Unlike some reptiles that require intense basking spots, crested geckos don’t need extremely high temperatures. In fact, anything above 80°F (27°C) can stress them out, and prolonged exposure to temperatures over 85°F (29°C) can be dangerous.
Here’s a quick breakdown:
- Daytime Temperature: 72–78°F (22–25.5°C)
- Nighttime Temperature: 65–70°F (18–21°C)
- Danger Zone: Above 80°F (27°C) or below 60°F (15.5°C) for extended periods
These temperatures are ideal for crested geckos because they align with their natural habitat. Most homes in the USA, especially those with climate control, naturally fall close to this range, which is great news for pet owners. However, depending on where you live—say, a chilly Northeast winter or a sweltering Southern summer—you’ll need to make adjustments to keep your gecko comfortable.
How to Maintain the Right Temperature
Maintaining the proper temperature for your crested gecko involves a combination of choosing the right equipment, monitoring conditions, and making adjustments based on your home environment. Here’s how to do it:
1. Set Up the Enclosure Properly
Crested geckos need a tall, well-ventilated enclosure—typically a glass terrarium or a screen cage. A 20-gallon tank is a good starting point for an adult gecko, though larger is always better. Place the enclosure in a location away from direct sunlight, air conditioning vents, or drafty windows, as these can cause temperature fluctuations.
2. Use a Thermometer
Never guess the temperature—always measure it! A digital thermometer with a probe or an infrared temperature gun is a must-have. Place the thermometer in the middle of the enclosure to get an accurate reading of the ambient temperature. For nighttime checks, consider a thermometer with a backlight or one that logs minimum and maximum temperatures, like the Zoo Med Digital Thermometer, widely available at pet stores like Petco or online at Amazon.
3. Heating Options
In most US homes, ambient room temperatures are often close to the ideal range for crested geckos, especially during spring and summer. However, if your home gets too cold (below 70°F), you’ll need a gentle heat source. Here are some options:
- Ceramic Heat Emitters (CHE): These screw into a lamp fixture and emit heat without light, making them perfect for maintaining nighttime temperatures. Use a low-wattage CHE (25–50 watts) and pair it with a thermostat to prevent overheating.
- Heat Mats: Place a small heat mat under one side of the enclosure. Brands like Zoo Med or Exo Terra are popular and available at most pet retailers. Ensure the mat covers only part of the tank to create a temperature gradient.
- Low-Wattage Incandescent Bulbs: A 15–25-watt bulb in a dome fixture can provide gentle warmth during the day. Avoid high-wattage bulbs, as they can make the enclosure too hot.
Always use a thermostat with any heating device to regulate the temperature and prevent overheating. Products like the Inkbird ITC-308 are affordable, reliable, and widely used by reptile keepers in the USA.
4. Cooling the Enclosure
If you live in a warmer climate, like Florida or Texas, summer temperatures can push your enclosure above 80°F. To cool it down:
- Use a small, quiet fan to improve air circulation near the enclosure.
- Move the tank to a cooler part of the house, like a basement or an air-conditioned room.
- Mist Place a frozen water bottle wrapped in a towel inside the enclosure for temporary cooling, but monitor closely to avoid dropping the temperature too low.
5. Monitor Humidity
Temperature and humidity go hand in hand for crested geckos. Aim for 60–80% humidity, which you can maintain by misting the enclosure daily or using a reptile fogger. Low humidity can make it harder for geckos to regulate their temperature, so check humidity levels with a hygrometer.
Seasonal Considerations in the USA
The USA’s diverse climates mean temperature management varies by region and season. In colder states like Minnesota or Maine, winter indoor heating can dry out the air, so you may need to mist more frequently and use a heat source. In hotter regions like Arizona or Georgia, summer heat can make cooling the enclosure a priority. Check your enclosure’s temperature daily, especially during extreme weather, to catch any issues early.
Common Temperature Mistakes to Avoid
Even experienced gecko owners can make mistakes. Here are some to watch out for:
- Overheating: Using a high-wattage bulb or forgetting to turn off a heat source can push temperatures into the danger zone. Always use a thermostat and double-check settings.
- Ignoring Nighttime Drops: Crested geckos benefit from a slight temperature drop at night, but letting the enclosure get too cold (below 60°F) can harm them.
- Not Measuring Temperatures: Eyeballing the temperature or assuming your room is “warm enough” isn’t reliable. Invest in a good thermometer.
- Poor Enclosure Placement: Placing the tank near a window or radiator can cause wild temperature swings.
Signs Your Gecko’s Temperature Is Off
Your crested gecko will let you know if the temperature isn’t right. Watch for these signs:
- Too Hot: Lethargy, hiding in the coolest part of the enclosure, or rapid breathing.
- Too Cold: Sluggishness, reduced appetite, or spending a lot of time near the heat source.
If you notice these behaviors, check the temperature immediately and adjust your setup. Most geckos bounce back quickly once conditions are corrected.
FAQs
What temperature is too cold for a crested gecko?
Below 60°F is too cold for crested geckos. It slows their metabolism, causing lethargy or illness. Keep daytime temps at 72–78°F, nights at 65–70°F.
Do crested geckos need a heater?
Crested geckos may need a heater if your home drops below 70°F. Use a low-wattage ceramic emitter or heat mat with a thermostat for safety.
Do crested geckos need a thermometer?
Yes, crested geckos need a thermometer to monitor enclosure temps. A digital thermometer or infrared gun ensures the ideal 72–78°F range for their health.
Is 77 degrees too hot for a crested gecko?
No, 77°F is perfect for crested geckos, within their ideal 72–78°F daytime range. Avoid exceeding 80°F, as higher temps can cause stress or harm.
How often should I mist a crested gecko?
Mist your crested gecko’s enclosure once or twice daily to maintain 60–80% humidity. Use a spray bottle or fogger, checking with a hygrometer.
Do crested geckos like to be held?
Crested geckos tolerate gentle handling but don’t crave it. Handle briefly, avoid sudden moves, and ensure they feel secure to prevent stress or jumping.
Is 68 ok for crested gecko?
68°F is okay at night for crested geckos, within their 65–70°F nighttime range. Ensure daytime temps reach 72–78°F to support activity and health.
How do I keep my crested gecko warm at night?
Use a low-wattage ceramic heat emitter or heat mat with a thermostat to maintain 65–70°F at night. Avoid lights to preserve their sleep cycle.
Wrapping Up
Keeping your crested gecko’s temperature in the sweet spot of 72–78°F during the day and 65–70°F at night is essential for their health and happiness. By setting up a proper enclosure, using reliable heating and cooling methods, and monitoring conditions with a thermometer, you can create a cozy, tropical paradise for your gecko. Avoid common mistakes, stay vigilant about seasonal changes, and your crested gecko will reward you with years of quirky antics and vibrant colors. Ready to make your gecko’s home perfect? Grab a thermometer, pick the right heat source, and get started today!