News Summary
Rock Hill, SC experiences a beautiful winter day on December 21, 2025, with clear skies and comfortable temperatures. The morning starts at 34°F, gradually warming up to a pleasant 57°F by afternoon. With no chance of rain and good air quality, it’s the perfect opportunity to enjoy outdoor activities. Catch the sunrise at 7:27 AM and make the most of the beautiful daylight, which lasts for over 9 hours. Today offers a welcome break from the usual winter chill, making it ideal for both shopping and leisurely strolls.
Clear and Crisp December 21, 2025, in Rock Hill, SC
Good morning, Rock Hill! What a beautiful start we have today with clear skies and a chill in the air. As of 6:00 AM, the temperature is sitting at a brisk 34°F (1°C). If you’re heading out early, you might want to grab a cozy jacket!
The Morning Forecast
As the day unfolds, we can expect hazy sunshine to gradually warm us up. At 7:00 AM, we’ll see the temperature dip just a notch to 33°F (1°C), accompanied by a lovely hazy moonlight. By the time we reach 8:00 AM, the temperature will climb a bit to 36°F (2°C), with some pleasant sun peeking out.
Things are looking up by 9:00 AM, as we hit 40°F (5°C), and by 10:00 AM, things really start to heat up with a temperature of 45°F (7°C)! By the time we reach 11:00 AM, expect sunny skies and temps around 51°F (11°C). Lunchtime at 12:00 PM should be spent outside, enjoying the hazy sunshine with a comfortable 54°F (12°C) on the thermometer.
Get ready for the peak warmth of the day at 1:00 PM as we hit 57°F (14°C). It’s a perfect day for a stroll or perhaps a warm cup of coffee at your favorite local café. Just remember, while it feels comfortable, the wind chill will make it feel like a cool 33°F (1°C).
Sunrise, Sunset, and Moonlight
Make sure to catch the sunrise at 7:27 AM today! With a total of 9 hours and 5 minutes of daylight, you’ll have plenty of time to enjoy the bright skies. And as the sun sets at 5:16 PM, you can sip a warm beverage and enjoy the beautiful ending to the day.
Weather Conditions
Humidity sits at a comfortable 61%, and don’t worry about any precipitation today, because we have a 0% probability of rain! That means, aside from those cozy layers, you won’t need to carry an umbrella with you today. Winds are light, coming from the southeast at about 2.9 km/h (0.8 m/s), so no need to worry about gusty breezes.
The air quality is rated as good, which is always a plus if you’re planning on getting outside. With a UV Index of 3 (Moderate), it’s always a good reminder to apply some sunscreen if you’ll be out for an extended period!
Historical Insights
Interestingly, today marks a beautiful winter day when we compare temperatures to historical averages for December 21, which typically sees highs of 55°F (13°C) and lows of 35°F (2°C). We’ve had record highs reach a balmy 74°F (23°C) and chilling lows plummet to a frosty -4°F (-20°C). So, consider yourself lucky that today’s weather is on the milder side!
If you’re wondering what December generally feels like around here, we tend to have about 5 hours and 2 minutes of sunshine each day in this month, on average. With typical precipitation of only 45 inches (114 cm) annually and the snowfall averaging just about 1 inch (2.5 cm), Rock Hill has some weather that makes outdoor activities quite enjoyable!
Conclusion
So there you have it, folks! A clear and crisp winter day in Rock Hill that’s perfect for getting out and enjoying some time outdoors. Whether you’re shopping for last-minute gifts or enjoying a walk in the park, take advantage of this lovely weather. Stay warm, stay bright, and make the most of your day!
Author: STAFF HERE ROCK HILL
The ROCK HILL STAFF WRITER represents the experienced team at HERERockHill.com, your go-to source for actionable local news and information in Rock Hill, York County, and beyond. Specializing in "news you can use," we cover essential topics like product reviews for personal and business needs, local business directories, politics, real estate trends, neighborhood insights, and state news affecting the area—with deep expertise drawn from years of dedicated reporting and strong community input, including local press releases and business updates. We deliver top reporting on high-value events such as the Come-See-Me Festival, Rock Hill Arts Festival, and motorsport events at the Rock Hill Velodrome. Our coverage extends to key organizations like the Rock Hill Chamber of Commerce and the Culture & Heritage Museums, plus leading businesses in manufacturing and technology that power the local economy such as 3D Systems and Comporium. As part of the broader HERE network, including HEREAiken.com, HEREBeaufort.com, HEREChapin.com, HERECharleston.com, HEREClinton.com, HEREColumbia.com, HEREGeorgetown.com, HEREGreenwood.com, HEREGreenville.com, HEREHiltonHead.com, HEREIrmo.com, HEREMyrtleBeach.com, HERENewberry.com, HERERockHill.com, and HERESpartanburg.com, we provide comprehensive, credible insights into South Carolina's dynamic landscape.
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