Rock Hill weather in May
In May, Rock Hill sees average daytime highs of 80°F and overnight lows near 60°F, with 2.9 in of rain across 9.6 wet days and about 13.8 hours of daylight. It is the 5th-warmest and 12th-wettest month of the year here.
Highs climb over the month, from about 77°F in the first days to 83°F by the end. The sky is clear or mostly clear about 32% of the time in May, and the air most often feels dry.
Daylight stretches from about 13 h 24 min at the start of May to 14 h 12 min by month's end. Set against the rest of the year, May is Rock Hill's 8th-clearest and 6th-windiest month. For the whole year in context, see Rock Hill's year-round climate.
- Daytime high
- 80°
- 5th warmest
- Overnight low
- 60°
- 8th coldest
- Rainfall
- 2.9 in
- 9.6 wet days
- Daylight
- 13 h 48 min
- 5:26 AM – 7:15 PM
- Cloud cover
- 57%
- 8th clearest
- Wind
- 6 mph
- 6th windiest
- Solar energy
- 6.03 kWh/m²
- Travel score
- 6.5
- out of 10
Rock Hill is city in York County, South Carolina, United States.
- Density
- 737/km²
- people per km²
- Founded
- 1852
Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.
Temperature in May
Highs climb over the month, from about 77°F in the first days to 83°F by the end.
A typical May day in Rock Hill reaches about 80°F in the afternoon and slips back to 60°F overnight — a 20°F spread between the day's warmth and the night's chill. On most days the high lands between 70°F and 89°F. Set against its neighbours, May runs about 8°F warmer than April and about 7°F cooler than June.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg high (°F) | 76 | 76 | 77 | 77 | 77 | 78 | 78 | 78 | 78 | 79 | 79 | 79 | 79 | 80 | 80 | 80 | 80 | 81 | 81 | 81 | 81 | 82 | 82 | 82 | 82 | 83 | 83 | 83 | 83 | 84 | 84 |
| Avg low (°F) | 56 | 56 | 56 | 57 | 57 | 57 | 58 | 58 | 58 | 59 | 59 | 59 | 59 | 60 | 60 | 60 | 60 | 61 | 61 | 61 | 62 | 62 | 62 | 63 | 63 | 63 | 64 | 64 | 64 | 64 | 65 |
| Avg high (°F) | Avg low (°F) | |
|---|---|---|
| 1 | 76 | 56 |
| 2 | 76 | 56 |
| 3 | 77 | 56 |
| 4 | 77 | 57 |
| 5 | 77 | 57 |
| 6 | 78 | 57 |
| 7 | 78 | 58 |
| 8 | 78 | 58 |
| 9 | 78 | 58 |
| 10 | 79 | 59 |
| 11 | 79 | 59 |
| 12 | 79 | 59 |
| 13 | 79 | 59 |
| 14 | 80 | 60 |
| 15 | 80 | 60 |
| 16 | 80 | 60 |
| 17 | 80 | 60 |
| 18 | 81 | 61 |
| 19 | 81 | 61 |
| 20 | 81 | 61 |
| 21 | 81 | 62 |
| 22 | 82 | 62 |
| 23 | 82 | 62 |
| 24 | 82 | 63 |
| 25 | 82 | 63 |
| 26 | 83 | 63 |
| 27 | 83 | 64 |
| 28 | 83 | 64 |
| 29 | 83 | 64 |
| 30 | 84 | 64 |
| 31 | 84 | 65 |
How May really feels in Rock Hill
Once humidity and wind are folded in, May averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.
May sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.
Rock Hill weather by month
How May compares with the rest of the year at a glance. May is the 5th-warmest and 12th-wettest month here — the current month is highlighted below.
| Month | High / Low (°F) | Rainfall (inches) | Wet days | Snow days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|---|
| Jan | 52° / 34° | 3.8 | 9.5 | 1 | 9.9 | 2.9 |
| Feb | 56° / 37° | 3.4 | 8.8 | 0.7 | 10.7 | 3.8 |
| Mar | 64° / 43° | 4.2 | 9.9 | 0.3 | 11.7 | 5.7 |
| Apr | 73° / 52° | 3.5 | 8.7 | 0 | 12.9 | 7.0 |
| May | 80° / 60° | 2.9 | 9.6 | 0 | 13.8 | 6.5 |
| Jun | 87° / 68° | 3.8 | 11.8 | 0 | 14.3 | 4.5 |
| Jul | 90° / 72° | 3.7 | 13.5 | 0 | 14.1 | 3.6 |
| Aug | 88° / 71° | 4.0 | 11.5 | 0 | 13.3 | 4.4 |
| Sep | 82° / 64° | 3.7 | 8.4 | 0 | 12.2 | 6.3 |
| Oct | 72° / 53° | 3.3 | 6.9 | 0 | 11.1 | 7.4 |
| Nov | 62° / 42° | 3.2 | 7.5 | 0.1 | 10.2 | 5.8 |
| Dec | 54° / 37° | 3.8 | 9.1 | 0.5 | 9.7 | 3.5 |
Cloud cover in May
The sky is clear or mostly clear about 32% of the time in May.
Beyond those clear spells, partly cloudy skies cover about 20% of May, with mostly cloudy or overcast conditions the remaining 48%. Skies tend to cloud over as the month goes on.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clearer (%) | 54 | 54 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 55 | 54 | 54 | 53 | 54 | 54 | 53 | 52 | 52 | 52 | 51 | 51 | 51 | 51 | 51 | 50 | 49 | 50 | 49 | 49 | 49 | 48 |
| Cloudier (%) | 46 | 46 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 46 | 46 | 47 | 46 | 46 | 47 | 48 | 48 | 48 | 49 | 49 | 49 | 49 | 49 | 50 | 51 | 50 | 51 | 51 | 51 | 52 |
| Clearer (%) | Cloudier (%) | |
|---|---|---|
| 1 | 54 | 46 |
| 2 | 54 | 46 |
| 3 | 55 | 45 |
| 4 | 55 | 45 |
| 5 | 55 | 45 |
| 6 | 55 | 45 |
| 7 | 55 | 45 |
| 8 | 55 | 45 |
| 9 | 55 | 45 |
| 10 | 55 | 45 |
| 11 | 54 | 46 |
| 12 | 54 | 46 |
| 13 | 53 | 47 |
| 14 | 54 | 46 |
| 15 | 54 | 46 |
| 16 | 53 | 47 |
| 17 | 52 | 48 |
| 18 | 52 | 48 |
| 19 | 52 | 48 |
| 20 | 51 | 49 |
| 21 | 51 | 49 |
| 22 | 51 | 49 |
| 23 | 51 | 49 |
| 24 | 51 | 49 |
| 25 | 50 | 50 |
| 26 | 49 | 51 |
| 27 | 50 | 50 |
| 28 | 49 | 51 |
| 29 | 49 | 51 |
| 30 | 49 | 51 |
| 31 | 48 | 52 |
Chance of precipitation in May
Rock Hill gets around 2.9 in of rain over 9.6 wet days in May, the driest month. The line is the day-by-day chance of measurable precipitation.
Day to day, the chance of measurable rain averages around 32% and peaks near 36% on the wettest days.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rain chance (%) | 31 | 31 | 31 | 30 | 30 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 29 | 29 | 30 | 30 | 30 | 31 | 31 | 32 | 32 | 33 | 33 | 33 | 34 | 34 | 34 | 35 | 35 | 36 | 36 |
| Rain chance (%) | |
|---|---|
| 1 | 31 |
| 2 | 31 |
| 3 | 31 |
| 4 | 30 |
| 5 | 30 |
| 6 | 30 |
| 7 | 30 |
| 8 | 29 |
| 9 | 29 |
| 10 | 30 |
| 11 | 30 |
| 12 | 30 |
| 13 | 29 |
| 14 | 29 |
| 15 | 30 |
| 16 | 30 |
| 17 | 30 |
| 18 | 31 |
| 19 | 31 |
| 20 | 32 |
| 21 | 32 |
| 22 | 33 |
| 23 | 33 |
| 24 | 33 |
| 25 | 34 |
| 26 | 34 |
| 27 | 34 |
| 28 | 35 |
| 29 | 35 |
| 30 | 36 |
| 31 | 36 |
Humidity in May
Most of May feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.
By dew point, May lands in the dry band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 18% of them.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dry (%) | 61 | 59 | 56 | 55 | 53 | 51 | 49 | 47 | 45 | 44 | 42 | 41 | 39 | 38 | 37 | 35 | 34 | 34 | 33 | 32 | 30 | 29 | 28 | 26 | 25 | 24 | 22 | 21 | 20 | 19 | 18 |
| Comfortable (%) | 19 | 20 | 21 | 21 | 22 | 23 | 24 | 24 | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 25 | 24 | 24 | 24 | 23 | 23 | 23 | 23 | 23 | 22 | 22 | 22 | 21 | 21 |
| Humid (%) | 14 | 15 | 16 | 17 | 18 | 18 | 19 | 20 | 20 | 21 | 22 | 22 | 23 | 23 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 24 | 25 | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 24 |
| Muggy (%) | 6 | 6 | 7 | 7 | 7 | 8 | 8 | 9 | 9 | 10 | 10 | 11 | 11 | 12 | 13 | 14 | 15 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 27 | 28 | 29 | 30 | 31 |
| Oppressive (%) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 3 | 3 | 4 | 4 | 4 | 5 | 6 | 6 |
| Dry (%) | Comfortable (%) | Humid (%) | Muggy (%) | Oppressive (%) | |
|---|---|---|---|---|---|
| 1 | 61 | 19 | 14 | 6 | 0 |
| 2 | 59 | 20 | 15 | 6 | 0 |
| 3 | 56 | 21 | 16 | 7 | 0 |
| 4 | 55 | 21 | 17 | 7 | 0 |
| 5 | 53 | 22 | 18 | 7 | 0 |
| 6 | 51 | 23 | 18 | 8 | 0 |
| 7 | 49 | 24 | 19 | 8 | 0 |
| 8 | 47 | 24 | 20 | 9 | 0 |
| 9 | 45 | 25 | 20 | 9 | 0 |
| 10 | 44 | 25 | 21 | 10 | 0 |
| 11 | 42 | 26 | 22 | 10 | 0 |
| 12 | 41 | 26 | 22 | 11 | 0 |
| 13 | 39 | 26 | 23 | 11 | 0 |
| 14 | 38 | 26 | 23 | 12 | 0 |
| 15 | 37 | 26 | 24 | 13 | 1 |
| 16 | 35 | 26 | 24 | 14 | 1 |
| 17 | 34 | 25 | 24 | 15 | 1 |
| 18 | 34 | 25 | 24 | 17 | 1 |
| 19 | 33 | 24 | 24 | 18 | 1 |
| 20 | 32 | 24 | 24 | 19 | 1 |
| 21 | 30 | 24 | 24 | 20 | 2 |
| 22 | 29 | 23 | 24 | 21 | 2 |
| 23 | 28 | 23 | 25 | 22 | 2 |
| 24 | 26 | 23 | 25 | 23 | 3 |
| 25 | 25 | 23 | 25 | 24 | 3 |
| 26 | 24 | 23 | 25 | 25 | 4 |
| 27 | 22 | 22 | 24 | 27 | 4 |
| 28 | 21 | 22 | 24 | 28 | 4 |
| 29 | 20 | 22 | 24 | 29 | 5 |
| 30 | 19 | 21 | 24 | 30 | 6 |
| 31 | 18 | 21 | 24 | 31 | 6 |
Wind in May
Winds average 6 mph in May.
Across May, daily wind ranges from about 5 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wind speed (mph) | 7 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 5 | 5 | 5 | 5 |
| Feels | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm | calm |
| Wind speed (mph) | Feels | |
|---|---|---|
| 1 | 7 | calm |
| 2 | 6 | calm |
| 3 | 6 | calm |
| 4 | 6 | calm |
| 5 | 6 | calm |
| 6 | 6 | calm |
| 7 | 6 | calm |
| 8 | 6 | calm |
| 9 | 6 | calm |
| 10 | 6 | calm |
| 11 | 6 | calm |
| 12 | 6 | calm |
| 13 | 6 | calm |
| 14 | 6 | calm |
| 15 | 6 | calm |
| 16 | 6 | calm |
| 17 | 6 | calm |
| 18 | 6 | calm |
| 19 | 6 | calm |
| 20 | 6 | calm |
| 21 | 6 | calm |
| 22 | 6 | calm |
| 23 | 6 | calm |
| 24 | 6 | calm |
| 25 | 6 | calm |
| 26 | 6 | calm |
| 27 | 6 | calm |
| 28 | 5 | calm |
| 29 | 5 | calm |
| 30 | 5 | calm |
| 31 | 5 | calm |
Sunrise & sunset in May
Daylight runs from about 13 h 24 min at the start of May to 14 h 12 min by month's end. The lit band spans sunrise to sunset each day.
Days grow by about 48 minutes over May. Sunrise moves from 5:40 AM to 5:17 AM, and sunset from 7:03 PM to 7:26 PM.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight (h) | 13.4 | 13.4 | 13.5 | 13.5 | 13.5 | 13.5 | 13.6 | 13.6 | 13.6 | 13.7 | 13.7 | 13.7 | 13.7 | 13.8 | 13.8 | 13.8 | 13.9 | 13.9 | 13.9 | 13.9 | 13.9 | 14.0 | 14.0 | 14.0 | 14.0 | 14.1 | 14.1 | 14.1 | 14.1 | 14.1 | 14.2 |
| Sunrise (AM) | 5:40 | 5:39 | 5:38 | 5:36 | 5:35 | 5:34 | 5:33 | 5:32 | 5:32 | 5:31 | 5:30 | 5:29 | 5:28 | 5:27 | 5:26 | 5:26 | 5:25 | 5:24 | 5:23 | 5:23 | 5:22 | 5:21 | 5:21 | 5:20 | 5:20 | 5:19 | 5:19 | 5:18 | 5:18 | 5:17 | 5:17 |
| Sunset (PM) | 7:03 | 7:04 | 7:05 | 7:05 | 7:06 | 7:07 | 7:08 | 7:09 | 7:09 | 7:10 | 7:11 | 7:12 | 7:13 | 7:14 | 7:14 | 7:15 | 7:16 | 7:17 | 7:17 | 7:18 | 7:19 | 7:20 | 7:20 | 7:21 | 7:22 | 7:23 | 7:23 | 7:24 | 7:25 | 7:25 | 7:26 |
| Daylight (h) | Sunrise (AM) | Sunset (PM) | |
|---|---|---|---|
| 1 | 13.4 | 5:40 | 7:03 |
| 2 | 13.4 | 5:39 | 7:04 |
| 3 | 13.5 | 5:38 | 7:05 |
| 4 | 13.5 | 5:36 | 7:05 |
| 5 | 13.5 | 5:35 | 7:06 |
| 6 | 13.5 | 5:34 | 7:07 |
| 7 | 13.6 | 5:33 | 7:08 |
| 8 | 13.6 | 5:32 | 7:09 |
| 9 | 13.6 | 5:32 | 7:09 |
| 10 | 13.7 | 5:31 | 7:10 |
| 11 | 13.7 | 5:30 | 7:11 |
| 12 | 13.7 | 5:29 | 7:12 |
| 13 | 13.7 | 5:28 | 7:13 |
| 14 | 13.8 | 5:27 | 7:14 |
| 15 | 13.8 | 5:26 | 7:14 |
| 16 | 13.8 | 5:26 | 7:15 |
| 17 | 13.9 | 5:25 | 7:16 |
| 18 | 13.9 | 5:24 | 7:17 |
| 19 | 13.9 | 5:23 | 7:17 |
| 20 | 13.9 | 5:23 | 7:18 |
| 21 | 13.9 | 5:22 | 7:19 |
| 22 | 14.0 | 5:21 | 7:20 |
| 23 | 14.0 | 5:21 | 7:20 |
| 24 | 14.0 | 5:20 | 7:21 |
| 25 | 14.0 | 5:20 | 7:22 |
| 26 | 14.1 | 5:19 | 7:23 |
| 27 | 14.1 | 5:19 | 7:23 |
| 28 | 14.1 | 5:18 | 7:24 |
| 29 | 14.1 | 5:18 | 7:25 |
| 30 | 14.1 | 5:17 | 7:25 |
| 31 | 14.2 | 5:17 | 7:26 |
Solar energy in May
Average shortwave solar energy reaching the ground each day in May, about 6.03 kWh/m².
For context, solar energy here swings from a low near 2.29 kWh/m² to a high of 6.17 kWh/m² in June across the year — May's 6.03 kWh/m² sits near the top of that range.
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Solar energy (kWh/m²) | 5.9 | 5.9 | 5.9 | 5.9 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.1 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 | 6.0 |
| Level | Bright | Bright | Bright | Bright | Bright | Bright | Bright | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense | Intense |
| Solar energy (kWh/m²) | Level | |
|---|---|---|
| 1 | 5.9 | Bright |
| 2 | 5.9 | Bright |
| 3 | 5.9 | Bright |
| 4 | 5.9 | Bright |
| 5 | 6.0 | Bright |
| 6 | 6.0 | Bright |
| 7 | 6.0 | Bright |
| 8 | 6.0 | Intense |
| 9 | 6.0 | Intense |
| 10 | 6.0 | Intense |
| 11 | 6.0 | Intense |
| 12 | 6.0 | Intense |
| 13 | 6.1 | Intense |
| 14 | 6.1 | Intense |
| 15 | 6.1 | Intense |
| 16 | 6.1 | Intense |
| 17 | 6.1 | Intense |
| 18 | 6.1 | Intense |
| 19 | 6.1 | Intense |
| 20 | 6.1 | Intense |
| 21 | 6.1 | Intense |
| 22 | 6.1 | Intense |
| 23 | 6.1 | Intense |
| 24 | 6.0 | Intense |
| 25 | 6.0 | Intense |
| 26 | 6.0 | Intense |
| 27 | 6.0 | Intense |
| 28 | 6.0 | Intense |
| 29 | 6.0 | Intense |
| 30 | 6.0 | Intense |
| 31 | 6.0 | Intense |
Is May a good time to visit Rock Hill?
Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).
May is a reasonable time to visit Rock Hill for sightseeing. The water and warmth also suit a beach or pool day.
What to pack for Rock Hill in May
From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In May, Rock Hill sees daytime highs around 80°F and nights near 60°F. Pack sun protection. Worth having: light clothes and rain gear. About 10 days see rain.
UV index in Rock Hill in May
Clear-sky midday UV in May peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Rock Hill peaks around July 12 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).
The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 3 | 4 | 6 | 7 | 8 | 9 | 9 | 8 | 7 | 5 | 4 | 2 |
| Level | Moderate | Moderate | High | High | Very high | Very high | Very high | Very high | High | Moderate | Moderate | Moderate |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 3 | Moderate |
| Feb | 4 | Moderate |
| Mar | 6 | High |
| Apr | 7 | High |
| May | 8 | Very high |
| Jun | 9 | Very high |
| Jul | 9 | Very high |
| Aug | 8 | Very high |
| Sep | 7 | High |
| Oct | 5 | Moderate |
| Nov | 4 | Moderate |
| Dec | 2 | Moderate |
Air quality in Rock Hill in May
Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.
Air quality in Rock Hill is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 9 | 11 | 12 | 12 | 14 | 17 | 19 | 17 | 13 | 10 | 9 | 9 |
| Level | Good | Good | Moderate | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 9 | Good |
| Feb | 11 | Good |
| Mar | 12 | Moderate |
| Apr | 12 | Good |
| May | 14 | Moderate |
| Jun | 17 | Moderate |
| Jul | 19 | Moderate |
| Aug | 17 | Moderate |
| Sep | 13 | Moderate |
| Oct | 10 | Good |
| Nov | 9 | Good |
| Dec | 9 | Good |
Where is Rock Hill?
Rock Hill sits at 34.9°N, 81.0°W, 679 ft above sea level, in United States. The nearest listed city is Matthews, 22 mi away.
Topography around Rock Hill
How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Rock Hill.
Within 2 miles, the terrain around Rock Hill has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 643 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 486 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,421 ft.
The land around Rock Hill is covered by trees (62%) and artificial surfaces (22%) within 2 miles, trees (68%) and grassland (20%) within 10 miles, and trees (77%) within 50 miles.
United States travel facts
- Power plugs
- Type A / B
- 120 V · 60 Hz
- Prices
- ≈ 100% of US
- price level, 2025
- GDP per capita
- $90,027
- 2025
- Happiness
- 6.8 / 10
- World Happiness, 2025
- Safe drinking water
- 98%
- of population, 2024
- Homicide rate
- 5.8
- per 100k, 2023
- Road deaths
- 12.7
- per 100k/yr, 2019
- Income group
- High
- World Bank
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Rock Hill (34.9249°, -81.0251°, elevation 679 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).