Chilly December Day in Irmo, SC

Irmo, SC, December 4, 2025

News Summary

On December 3, 2025, Irmo, South Carolina is experiencing clear skies and chilly temperatures, with current conditions around 32°F (0°C). Residents are enjoying typical December weather, feeling cool but in line with seasonal averages. The forecast suggests mostly clear skies throughout the day with a maximum temperature of 54°F (12°C). With nearly 10 hours of daylight, it’s a great time for warm drinks and cozy activities.

Clear and Chilly Conditions in Irmo, SC on December 3, 2025

As December rolls in, our beloved Irmo, South Carolina is welcoming a delightful mix of chilly weather and clear skies this fine December 3rd! With current temperatures lingering around 32°F (0°C), it’s a classic winter day that’s got folks bundling up to tackle their daily errands.

Hourly Forecast to Keep You Informed

If you’re planning to step outside, here’s a perfect hour-by-hour forecast to help you navigate your day. Starting from 2:00 AM, temperatures will gently rise:

• 2:00 AM: Mostly clear, 34°F (1°C)
• 3:00 AM: Mostly clear, 35°F (1°C)
• 4:00 AM: Mostly clear, 35°F (2°C)
• 5:00 AM: Mostly clear, 35°F (2°C)
• 6:00 AM: Mostly clear, 35°F (2°C)
• 7:00 AM: Partly cloudy, 36°F (2°C)
• 8:00 AM: Partly sunny, 36°F (2°C)
• 9:00 AM: Partly sunny, 40°F (4°C)
• 10:00 AM: Partly sunny, 45°F (7°C)
• 11:00 AM: Partly sunny, 48°F (9°C)
• 12:00 PM: Intermittent clouds, 51°F (10°C)
• 1:00 PM: Cloudy, 54°F (12°C)

What’s Typical for December in Irmo?

Now, if you’re wondering how this chilly day measures up to the average December weather, the numbers paint a familiar picture:

• High Temperature: 55.8°F (13.2°C)
• Low Temperature: 41.2°F (5.1°C)
• Average Temperature: 49°F (9°C)

So while today’s temperatures may feel brisk, they fall right in line with what we can expect during this chilly month.

Rain and Snow? Not Likely

This December, Irmo’s seen about 3.11 inches (79 mm) of rain over approximately 11.1 days. And for those hoping for some winter magic, the average snowfall sits at a light 0.08 inches (2 mm) over about 0.1 days. So chances are your snowman-building skills won’t see much action!

Sunlight and Wind Details

Despite the cooler temperatures, you can expect around 9 hours and 54 minutes of daylight today, with sunrise peeking over the horizon at 7:12 AM and sunset wrapping things up at 5:15 PM. And with an average of 5.5 hours of sunshine a day throughout December, your vitamin D levels might get a bit of a boost!

Don’t forget about that gentle breeze—an average wind speed of 8 mph (13 km/h) today could make those temperatures feel a bit nippier.

The UV Index and Humidity

The UV Index for today reveals a mild risk, sitting around 3. This indicates a medium health hazard from unsafe exposure to UV radiation for ordinary individuals, so you might still want to consider some sunscreen if you plan to bask in the limited sunlight.

Lastly, we can’t forget about that cozy December air, with average relative humidity levels sitting around 75%. This could make it feel even chillier than it is!

Enjoying Irmo in These Chilly Conditions

This chill in the air makes it an ideal day for warm drinks, long walks, and cozy evenings by the fire. With clear skies and a chill that reminds us all that winter is definitely here, it’s a wonderful day to enjoy what Irmo has to offer!

FAQ

• What are the current conditions in Irmo, SC?

  Current conditions are clear skies with a temperature of 32°F (0°C).

• What is the hourly forecast for December 3, 2025 in Irmo, SC?

  The hourly forecast includes mostly clear skies at night and partly sunny conditions during the day, with temperatures starting at 34°F (1°C) and reaching up to 54°F (12°C).

• What is the average December temperature in Irmo, SC?

  The average high temperature is 55.8°F (13.2°C) and the average low is 41.2°F (5.1°C).

• How much rainfall can Irmo expect in December?

  The average rainfall in December is 3.11 inches (79 mm) over approximately 11.1 days.

• What is the average snowfall in December in Irmo?

  The average snowfall is 0.08 inches (2 mm) over about 0.1 days.

• How many daylight hours are there on December 3, 2025 in Irmo?

  There are approximately 9 hours and 54 minutes of daylight.

• What is the average humidity in December for Irmo, SC?

  The average relative humidity is 75%.

Key Features of Today’s Weather in Irmo, SC

Author: STAFF HERE IRMO

The IRMO STAFF WRITER represents the experienced team at HEREIrmo.com, your go-to source for actionable local news and information in Irmo, Lexington and Richland Counties, 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 Irmo Okra Strut Festival, Harbison Community Events, and local sports tournaments at the Palmetto Health Credit Union Foundation Stadium. Our coverage extends to key organizations like the Irmo Chapin Recreation Commission and the Lexington Chamber and Visitors Center, plus leading businesses in retail and healthcare that power the local economy such as Village at Sandhill and Lexington Medical Center. 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.