Rock Hill, SC weather and climate in 2025
Day
31 °C
Night
20 °C
Sea
0 °C
Precipitation
113 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
9 hours
average
Humidity
75 %
Day
31 °C
Night
20 °C
Sea
0 °C
Precipitation
113 mm
in month
Rainy days
10 days
in month
Daylight
13 hours
average
Sunshine
9 hours
average
Humidity
75 %
Overview: Rock Hill, SC
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Weather overview for Rock Hill, SC
Weather overview
Rock Hill, South Carolina boasts a climate that transitions from cold and cozy winters to warm and sunny summers. Throughout the year, temperatures range from cool, with January lows around -1 °C (31 °F), to hot, with July highs reaching 32 °C (90 °F). Precipitation is fairly consistent, with the wettest months being July and August, each seeing over 100 mm (3.94 in) of rainfall. While wind speeds are moderate year-round, the greatest winds whip through in March at 3 m/s. As for sunshine, Rock Hill enjoys its peak sun during the bright summer months of June and July, with an average of over 9 hours of sun per day.
January weather
January might be the height of winter in Rock Hill, SC, with chilly night temperatures averaging -1 °C (31 °F) and daytime highs reaching up to 11 °C (52 °F). With rain likely 10 days of the month and total precipitation at 96 mm (3.78 in), you'll want to layer up to stay warm and dry.
February weather
As Rock Hill, SC approaches spring, February sees a slight increase in day temperatures to 14 °C (56 °F), while nights are still cool at an average of 1 °C (34 °F). Rain falls on roughly 9 days, with total precipitation at 95 mm (3.75 in).
March weather
March heralds a discernible shift towards spring in Rock Hill, SC, with day temperatures warming to 18 °C (64 °F) and nighttime lows averaging 5 °C (40 °F). Rainfall is expected on 11 days with wind speeds picking up at 3 m/s.
April weather
April in Rock Hill, SC offers an enticing invitation to the outdoors, with day temperatures at a pleasant 23 °C (73 °F), while nights are comfortably cool averaging 9 °C (48 °F). With 9 days of rain, outdoor plans should include a contingency for showers.
May weather
As flowers bloom, May in Rock Hill, SC sees day temperatures reaching a comfortable 27 °C (80 °F), with the warmth extending into the evenings, which average 14 °C (57 °F). Expect rain on approximately 10 days, so packing a light jacket or umbrella is advisable.
June weather
June ushers in the beginning of summer in Rock Hill, SC, with long sun-drenched days averaging 9 hours of sunlight. The daytime temperature hits 31 °C (87 °F) on average, while the evenings remain warm at 19 °C (66 °F), and it rains on about 10 days.
July weather
July in Rock Hill, SC is the epitome of summer with the highest daytime temperatures of the year at an average of 32 °C (90 °F). Nights are balmy at 21 °C (69 °F). It's the peak of the wet season with rain expected on 11 days, often as afternoon thunderstorms.
August weather
August in Rock Hill, SC remains hot and humid with average day highs of 31 °C (88 °F) and nights at 20 °C (68 °F). Rain continues to fall on 10 days, so a waterproof jacket might be needed for those unpredictable showers.
September weather
September welcomes a gradual cooling trend in Rock Hill, SC, with daytime temperatures decreasing to an average of 28 °C (82 °F) and nights cooling down to 16 °C (61 °F). Rainy days drop to 8 days, and the weather becomes more predictable.
October weather
October's foliage is accompanied by pleasant day temperatures around 23 °C (73 °F) in Rock Hill, SC, while night temperatures average 10 °C (50 °F). Rain days are fewer, occurring on 7 days.
November weather
As Rock Hill, SC heads into late fall, November sees daytime temperatures at a cooler 18 °C (64 °F) and nights dropping to 5 °C (40 °F). Expected rainfall is around 86 mm (3.40 in), falling over 8 days.
December weather
December in Rock Hill, SC marks the onset of winter with day temperatures dropping to 12 °C (54 °F) and night temperatures averaging 1 °C (33 °F). As the year draws to a close, rain is observed on 10 days.
FAQs
How often does it rain in Rock Hill, SC during January?
January in Rock Hill, SC typically sees rain on about 10 days, so it's wise to have an umbrella handy.
What kind of temperatures can I expect in Rock Hill, SC during February?
February days are cool to mild in Rock Hill, SC, averaging around 14 °C (56 °F), while nights can dip just below freezing.
Does March in Rock Hill, SC experience a lot of wind?
March can get breezy in Rock Hill, SC, with average wind speeds reaching 3 m/s, so a windbreaker might come in handy.
What's the chance of getting wet in Rock Hill, SC during April?
April showers are somewhat frequent, so there's a reasonable chance, with rain expected on about 9 days of the month.
What's the typical humidity level in Rock Hill, SC during May?
Humidity in May starts to rise, with an average relative humidity of 68 %, indicating a slightly muggier feel to the air.
How much sunshine can I expect in Rock Hill, SC during June?
June is quite sunny in Rock Hill, SC, with an average of around 9 hours of sunshine per day, providing ample daylight for outdoor activities.
What are the typical daytime and nighttime temperatures in Rock Hill, SC in July?
Expect very warm days in July with highs around 32 °C (90 °F) and humid nights averaging 21 °C (69 °F).
Is August much cooler than July in Rock Hill, SC?
Not significantly; August is just slightly cooler than July with highs averaging 31 °C (88 °F), so you'll still feel the heat.
Does Rock Hill, SC experience a lot of rain in September?
September rain is less frequent with just over 8 days of rain, indicating a transition towards drier autumn weather.
What should I wear during October in Rock Hill, SC?
October's mild temperatures make it perfect for cozy sweaters and light jackets, especially in the evening.
Can I expect many rainy days in Rock Hill, SC in November?
Rain is moderate in November, with about 8 days of the month seeing some rainfall.
How many hours of sunlight does Rock Hill, SC get in December?
Shorter days of winter mean less sunlight, with Rock Hill, SC getting around 5 hours of sunshine in December.
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