Rock Hill Climate by Month
Rock Hill, South Carolina, United States
Hot summers and cool winters, with rain spread through the year.
The climate in Rock Hill is one of hot summers and cool winters, with rain spread through the year. Afternoon highs range from 53°F (11°C) in January to 91°F (33°C) in July, and January nights average 32°F (0°C). It gets 46 in (1181 mm) of rain a year, spread across the months.
- Warmest month
- 91°F(33°C)
- Average high, July
- Coldest nights
- 32°F(0°C)
- Average low, January
- Rain per year
- 46 in(1181 mm)
- No clear rainy season
- Humidity
- 63%
- Sunniest: July
Best and worst months in Rock Hill
Best for weatherThe most comfortable weather comes in April and October, with highs around 74°F (23°C) and about 3.7 in (94 mm) of rain a month.
Least pleasantJanuary is the least pleasant month: it's the coldest, with highs of only 53°F (11°C).
Comfort combines how close the afternoon high is to 75°F (24°C) with how much rain falls and how humid it is. See where the weather is best in April.
Temperature and rain through the year
Highs and lows (°F)
Average highAverage low
Rain (in per month)
Rock Hill weather by month
| Month | High | Low | Rain | Humidity | Sun |
|---|---|---|---|---|---|
| JanJanuary | 53°F(11°C) | 32°F(0°C) | 4.3 in(108 mm) | 65% | 2.5 |
| FebFebruary | 58°F(14°C) | 35°F(2°C) | 3.7 in(94 mm) | 56% | 3.1 |
| MarMarch | 65°F(18°C) | 42°F(5°C) | 4.6 in(118 mm) | 58% | 4.3 |
| AprAprilBest | 74°F(23°C) | 49°F(10°C) | 3.7 in(95 mm) | 59% | 5.3 |
| MayMay | 81°F(27°C) | 58°F(15°C) | 3.0 in(77 mm) | 65% | 6.0 |
| JunJune | 88°F(31°C) | 66°F(19°C) | 4.3 in(108 mm) | 66% | 6.0 |
| JulJuly | 91°F(33°C) | 70°F(21°C) | 3.6 in(92 mm) | 65% | 6.0 |
| AugAugust | 89°F(31°C) | 69°F(21°C) | 4.1 in(105 mm) | 69% | 5.4 |
| SepSeptember | 83°F(28°C) | 63°F(17°C) | 4.2 in(106 mm) | 69% | 4.6 |
| OctOctoberBest | 74°F(23°C) | 51°F(11°C) | 3.7 in(93 mm) | 68% | 3.5 |
| NovNovember | 64°F(18°C) | 40°F(5°C) | 3.4 in(86 mm) | 61% | 2.7 |
| DecDecember | 56°F(13°C) | 35°F(2°C) | 3.9 in(99 mm) | 59% | 2.2 |
1991–2020 averages. Sun is solar radiation in kWh/m² per day. Highlighted: the most comfortable months.
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