Best Celsius Indoor Thermometers of 2025

The DOQAUS Digital Hygrometer Indoor Thermometer is a lightweight and compact device that accurately measures temperature and humidity every 5 seconds. It features an air comfort indicator with 3 different face icons to remind you to adjust your humidifier or dehumidifier accordingly. With a 2.3in clear LCD display and multiple mounting options, it can be conveniently placed anywhere. You can switch between Celsius or Fahrenheit temperature unit with the press of a button. The included CR2032 battery is long-lasting, and customer service is available 24/7.

The AikTryee Thermometer Hygrometer is a mechanical device that accurately displays both temperature and humidity without the need for batteries. With a temperature range of -20℉ to 120℉ (-30℃ to 50℃) and humidity range of 1% to 99%, it suits all kinds of climates. The device features a kickstand and hanger, making it easy to use on tables or walls, and its compact design makes it ideal for small spaces. Additionally, the product comes with perfect after-sales service, with any problems solved within 24 hours.

The Veanic Mini Thermometer is a compact digital device that helps you monitor the temperature and humidity in your surroundings. With its easy-to-read LCD display, you can quickly check the environment in Fahrenheit or Celsius, giving you the flexibility you need. It measures temperatures ranging from -58°F to 158°F and humidity levels from 20% to 90%, updating every 10 seconds. This ensures you stay informed about conditions, whether in a baby room, office, or greenhouse, enhancing your ability to maintain a comfortable environment.

The DOOMAY 4-Pack Mini Hygrometer Indoor Thermometer is a compact and easy-to-install device that displays temperature in Celsius (℃) only. With a wide measuring range, it allows you to monitor temperature and humidity levels in different corners of your home environment, preventing colds, dry skin, and mold. It features an air comfort indicator with face icons and has a clear LCD display. This digital hygrometer is powered by one CR2032 button battery that lasts 8-12 months working, and it refreshes every 10 seconds to provide you with updated readings.

The Serundo Mini Hygrometer is an essential tool for monitoring indoor and outdoor temperature and humidity. With its ability to switch between Fahrenheit and Celsius, you can easily check the conditions in your environment. The rapid response feature updates readings every 10 seconds, ensuring you have the latest information at your fingertips. This versatile device is perfect for various settings such as homes, offices, and even greenhouses. Plus, it has a long battery life, making it a reliable choice for all your measurement needs.

The Veanic Mini Hygrometer Thermometer is a compact and versatile digital device that measures both temperature and humidity. With Fahrenheit or Celsius conversion, the clear LCD display shows accurate readings in various environments such as office, babyroom, greenhouse and more. The device also provides quick and reliable readings with temperature measuring range of -58℉-158℉ (-50℃-70℃) and humidity measuring range of 20%-90%RH, measuring conditions every 10 seconds with an accuracy of ±2℉ for temperature and ±5%RH for humidity.

The SwlatUtokf Thermometer & Hygrometer is designed to help you monitor indoor temperature and humidity effortlessly. Upon first use, it requires a brief adaptation period to calibrate accurately. With a wide measuring range, it provides precise readings, allowing you to maintain optimal conditions in your home or workspace. The device features a comfort indicator with visual emoticons, making it easy for you to adjust your humidifier or dehumidifier settings. Additionally, its user-friendly design allows for easy installation in various locations, ensuring you can keep track of your environment wherever you need.

The Outdoor/Indoor Thermometer Hygrometer by DWEPTU is a mechanical wall-mounted device that displays both temperature and humidity accurately. With no battery required, it has a longer life expectancy and doesn't take up much space. The thermometer is simple to operate, and no instructions are necessary. It has a two-in-one design, and the hygrometer accommodates all kinds of climates. With a convenient kickstand and hanger built into the back, it works well on tables or walls and is hidden nicely in any small space.

The DWEPTU Digital Hygrometer is a handy device for monitoring indoor temperature and humidity. Its easy installation means you can quickly set it up using either a small opening or double-sided tape. You can conveniently switch between Fahrenheit and Celsius, ensuring you get accurate readings with a precision of +/-1°C or +/-2°F. With a wide measuring range from 0°C to 70°C and humidity levels from 10% to 99% RH, this device is perfect for various environments, whether it’s your home, greenhouse, or reptile habitat.

The DWEPTU Thermometer Hygrometer is an easy-to-use device that provides accurate readings of temperature and humidity without needing batteries. Its mechanical design ensures longevity, so you won’t have to worry about battery replacement, even in cold weather. With its user-friendly setup, you can quickly check the current conditions without any complicated instructions. The two-in-one design offers precise measurements, helping you maintain a comfortable environment in your home or garden. Additionally, the comfort indicator uses color alerts to help you monitor and adjust your humidifier or dehumidifier settings effectively.