Red Hill, SC climate
Red Hill has mild winters and warm summers, with plenty of rain. A typical July afternoon reaches 90°, a January night drops to 36°.
NOAA 1991-2020 climate normals Updated once a decadeWhat a year in Red Hill feels like
Winter
Spring
Summer
Fall
Red Hill weather by month
Average highs, lows, rain and snow for every month, from NOAA’s 1991–2020 normals.
| Month | High | Low | Rain + melt | 30-yr range |
|---|---|---|---|---|
| January | 58° | 36° | 3.5" | 41° – 52° |
| February | 61° | 38° | 3.2" | 42° – 57° |
| March | 67° | 44° | 3.6" | 49° – 63° |
| April | 75° | 51° | 3.2" | 59° – 67° |
| May | 82° | 60° | 4.0" | 67° – 75° |
| June | 87° | 68° | 5.0" | 73° – 82° |
| July | 90° | 71° | 6.0" | 79° – 83° |
| August | 88° | 71° | 6.4" | 77° – 84° |
| September | 84° | 65° | 6.1" | 72° – 79° |
| October | 76° | 54° | 4.1" | 61° – 71° |
| November | 68° | 44° | 3.2" | 51° – 61° |
| December | 61° | 38° | 3.8" | 39° – 60° |
| Year | 75° | 53° | 51.9" |
“Wet days” have at least 0.01" of rain or melted snow. “Snow on ground” counts days with 1" or more. The 30-year range is the coldest and warmest that month’s average temperature got between 1991 and 2020.
Rain and snow in Red Hill
Red Hill gets 52 inches of rain and melted snow a year. August is the wettest month and April the driest.
About 254 frost-free days a year
In half of years the last 32° night comes by March 15 and the first one by November 22. That leaves about 254 frost-free days for gardens, longer than 91% of U.S. towns.
Heating and cooling a home in Red Hill
Engineers use “degree days” to estimate how hard a furnace or air conditioner works. In Red Hill, 52% of that work is heating and 48% is cooling.
Degree days measure how far each day’s average temperature falls below or rises above 65°, added up over a year. Source: NOAA station normals.
Red Hill and its neighbors
Red Hill borders 2 towns with climate data. January nights across them vary by 0.5°. Conway has both the coldest January nights (35°) and the hottest July afternoons (91°). Red Hill’s January low is 36° and its July high 90°.
Temperatures and rain come from NOAA’s 5 km grid, so each town gets its own value.
How Red Hill compares
Compared with every U.S. town and city on TownTapestry, each counted once.
Warmer than it used to be
The last 30 years in Red Hill averaged 0.9° warmer than the 1900s. The biggest change is in December (+2.1°). The shift is smaller than in 79% of U.S. towns.
Change by month1991–2020 average minus 1901–2000 average, at Red Hill’s spot on NOAA’s grid
How much a month can swing
A normal is an average, and real years wander around it. December swings the most: between 1991 and 2020 its average temperature ranged from 39° to 60°. July is the most reliable, staying within 5°.
Common questions about Red Hill’s climate
What is the coldest month in Red Hill?
January, with a typical high of 58° and a low of 36°.
What is the hottest month in Red Hill?
July, with a typical high of 90° and a low of 71°. About 58 days a year reach 90°.
When is the first frost in Red Hill?
In half of years the first 32° night comes by November 22, and the last spring frost by March 15.
What is the rainiest month in Red Hill?
August, with 6.4 inches of rain and melted snow. The year totals 52 inches.
Temperatures and rainfall come from NOAA’s gridded climate normals for Red Hill itself (about a 3-mile square). Snow, frost dates and day counts come from NOAA’s weather station at Conway, SC (4 mi, frost, heat and degree days). Normals are 30-year averages, not a forecast. Source: NOAA NCEI U.S. Climate Normals, 1991–2020 and 1901–2000.