Historical weather data, all-time temperature records, and monthly climate averages for Mauldin, SC. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Mauldin typically brings a mild spring day with highs around 74° and lows near 45°—classic Upstate South Carolina transition weather. There's a 1-in-4 chance of rain, so keep an umbrella handy, but snow is off the table entirely. The date's range tells the real story: it's hit 85° (1999) and dipped to 35° (2004), so don't put the layers away just yet.
Mauldin's weather has some serious range—from a scorching 107° in July 1993 to a bitter 5° in January 1994, a 102-degree spread that captures the full drama of the Upstate. Summer storms can turn violent fast: August 27, 1995 dropped a stunning 8.39 inches of rain in a single day. Even snow shows up occasionally, with 5.5 inches falling on January 11, 2011.
Mauldin summers are long and hot, peaking in the July 16–22 window when average highs hit 88°—and late July is also the wettest stretch of the year, averaging 1.43 inches per week. Winters are mild by most standards, with the coolest week of the year (Jan 15–21) still averaging a 51° high. If you want the sweet spot, April, May, and October offer comfortable temps in the 70s with far less humidity and rain than peak summer.