There's a specific kind of magic that happens when you step into an outdoor hot tub in the winter, especially when the temperature drops below freezing and the stars are out. While most people are huddled under blankets indoors, you're sitting in bubbling, steaming water, watching your breath drift away in the crisp air. It's easily one of the best ways to beat the winter blues, but if you've never owned one during a cold snap, there are a few things you should know to make the experience as relaxing as possible.
Getting the temperature just right
When the air is biting, you might be tempted to crank the heat up to the absolute maximum. Most tubs top out at around 104 degrees Fahrenheit, and while that feels incredible for the first five minutes, it can actually get a bit overwhelming if you're planning on a long soak. Most people find that 100 to 102 degrees is the sweet spot for an outdoor hot tub in the winter. It's hot enough to keep you warm against the snow, but not so hot that you feel like you're being cooked.
One thing to keep in mind is that your heater is going to work a lot harder when it's ten degrees outside. If you leave the cover off for too long while you're chatting, you'll notice the temperature start to dip. It's always a good idea to keep the water a degree or two higher than you think you need before you hop in, just to account for that initial heat loss.
The art of the dash
Let's be honest: the worst part about using an outdoor hot tub in the winter isn't being in the water—it's the ten seconds before you get in and the thirty seconds after you get out. We call this "the dash." If your tub is across the yard, that walk in a swimsuit can feel like a trek across the Arctic.
To make this less painful, invest in a heavy, terry-cloth robe. Better yet, get a robe hook or a small heated towel rack and place it as close to the tub as possible. Having a warm, dry towel or robe waiting for you the second you stand up makes a world of difference. Also, don't forget footwear. Walking on frozen grass or ice with wet feet is a recipe for a slip or, at the very least, some very unhappy toes. A pair of rubber-soled slippers or flip-flops that you can kick off right at the edge of the tub is a game changer.
Maintaining your tub in the cold
Maintenance doesn't stop just because it's snowing. In fact, keeping an eye on your water levels is even more important during the winter. Low water levels can lead to the pump sucking in air, which can cause the heater to shut off. In the middle of July, that's an inconvenience; in the middle of January, it's a potential disaster that could lead to frozen pipes.
Speaking of freezing, if you're expecting a major freeze or a power outage, it's worth knowing where your drain plugs are and having a backup plan. Most modern tubs have a "freeze protection" mode that will circulate the water automatically if the temperature drops too low, so don't be surprised if you hear the pumps kick on in the middle of the night. It's just the tub doing its job to stay alive.
Keeping the water clean
You might think you'll use fewer chemicals since you aren't sweating as much as you do in the summer, but that's not always the case. High-collared winter coats and heavy lotions can actually introduce more oils into the water. Make it a habit to check your pH and sanitizer levels at least once a week. It's a bit of a chore to go out in the cold to test the water, but it's way better than realizing the water is cloudy right when you're ready for a soak.
Energy efficiency and the cover
If you're worried about your electric bill, the cover is your best friend. A high-quality, well-insulated cover is what keeps the heat in and the cold out. Over time, covers can become waterlogged, which makes them heavy and ruins their insulating properties. If your cover feels like it weighs a ton, it's probably time to replace it before the peak of winter hits.
Pro tip: If you live somewhere with heavy snowfall, don't let the snow pile up on top of the cover. A foot of wet snow is incredibly heavy and can actually bow or break the internal foam of the cover. Use a soft broom to gently brush the snow off after a storm. Avoid using a shovel, as the sharp edges can easily tear the vinyl.
Creating the perfect winter vibe
One of the reasons an outdoor hot tub in the winter is so special is the atmosphere. There's something incredibly peaceful about the silence of a snowy night. To lean into that, think about your lighting. Harsh porch lights can ruin the mood. Instead, use the built-in LED lights in the tub—usually a soft blue or purple looks great against the steam—or string up some outdoor bistro lights nearby.
Since you'll likely be wearing a knit hat to keep your head warm (highly recommended, by the way), you might want to have some entertainment. Bluetooth speakers are great, but keep the volume low enough that you can still hear the wind in the trees. It's also the perfect time for a warm drink. Just remember to stick to plastic or acrylic glasses. If you drop a glass mug on a frozen deck, cleaning up tiny shards of glass in the dark is almost impossible.
Safety first, even in the heat
It's easy to lose track of time when you're comfortable, but staying in the tub for too long when it's freezing outside can be a bit tricky for your body. When you're submerged in 102-degree water, your internal temperature rises, but your head is exposed to the freezing air. This can sometimes lead to dizziness when you finally stand up.
Stay hydrated by keeping a bottle of water nearby. It sounds counterintuitive to drink cold water while sitting in a hot tub, but it helps regulate your core temperature and keeps you from feeling lightheaded. If you start feeling "heavy" or sleepy, that's your cue that it's time to head back inside.
Why it's worth the extra effort
You might be thinking that all this maintenance and the "frozen dash" sounds like a lot of work. And sure, it's a bit more involved than using a tub in the spring. But there is honestly nothing that compares to the feeling of total relaxation you get from a winter soak. It's a great way to relieve the muscle aches that come from shoveling snow, and it's a brilliant way to disconnect from screens and just be present.
Whether it's a solo soak to clear your head after a long day or a way to spend time with your partner without the distraction of the TV, an outdoor hot tub in the winter provides a sanctuary. It turns a season that many people find dreary and cold into something you actually look forward to. So, grab your robe, clear the snow off the lid, and get in. The water is perfect.