Summerville weather in January: Summerville, South Carolina: normal highs, lows, rain and records for January
Summerville in January has a normal high of 58°F and a normal low of 35°F, a daily mean of 46°F, holding near 58°F all month. The month brings 3.63 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 15°C and low of 1°C, 92 mm of precipitation in January.
- NOAA stationSummerville (4 mi W)
- Station IDUSC00388426
- Location33.04°N 80.23°W
- Elevation65 ft (20 m)
- Population52,625
- Jan 58° 35°
- Feb 62° 37°
- Mar 69° 42°
- Apr 76° 50°
- May 82° 59°
- Jun 87° 67°
- Jul 90° 71°
- Aug 90° 70°
- Sep 85° 65°
- Oct 77° 53°
- Nov 68° 42°
- Dec 61° 37°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Summerville in January?
The normal high is 58°F and the normal low 35°F, for a daily mean of 46.4°F. January is 2.9°F cooler than December and 3.0°F cooler than February. January is the 12th warmest month of the year in Summerville and the 7th wettest. From one year to the next January's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Januarys in three average between 43°F and 50°F.
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| January 1 | 59°F | 35°F | – | – |
| January 8 | 58°F | 35°F | – | – |
| January 15 | 58°F | 34°F | – | – |
| January 22 | 58°F | 34°F | – | – |
| January 31 | 59°F | 35°F | – | – |
Every day of January: normal high, low and chance of precipitation (warmest afternoon January 1, coldest night January 17)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| January 1 | 59°F | 35°F | – | – | 10 h |
| January 2 | 59°F | 35°F | – | – | 10 h |
| January 3 | 59°F | 35°F | – | – | 10 h |
| January 4 | 59°F | 35°F | – | – | 10 h |
| January 5 | 59°F | 35°F | – | – | 10 h |
| January 6 | 58°F | 35°F | – | – | 10 h |
| January 7 | 58°F | 35°F | – | – | 10 h |
| January 8 | 58°F | 35°F | – | – | 10 h |
| January 9 | 58°F | 35°F | – | – | 10 h 10 min |
| January 10 | 58°F | 35°F | – | – | 10 h 10 min |
| January 11 | 58°F | 34°F | – | – | 10 h 10 min |
| January 12 | 58°F | 34°F | – | – | 10 h 10 min |
| January 13 | 58°F | 34°F | – | – | 10 h 10 min |
| January 14 | 58°F | 34°F | – | – | 10 h 10 min |
| January 15 | 58°F | 34°F | – | – | 10 h 10 min |
| January 16 | 58°F | 34°F | – | – | 10 h 10 min |
| January 17 | 58°F | 34°F | – | – | 10 h 10 min |
| January 18 | 58°F | 34°F | – | – | 10 h 10 min |
| January 19 | 58°F | 34°F | – | – | 10 h 20 min |
| January 20 | 58°F | 34°F | – | – | 10 h 20 min |
| January 21 | 58°F | 34°F | – | – | 10 h 20 min |
| January 22 | 58°F | 34°F | – | – | 10 h 20 min |
| January 23 | 58°F | 34°F | – | – | 10 h 20 min |
| January 24 | 58°F | 34°F | – | – | 10 h 20 min |
| January 25 | 58°F | 34°F | – | – | 10 h 20 min |
| January 26 | 58°F | 34°F | – | – | 10 h 30 min |
| January 27 | 58°F | 34°F | – | – | 10 h 30 min |
| January 28 | 58°F | 35°F | – | – | 10 h 30 min |
| January 29 | 59°F | 35°F | – | – | 10 h 30 min |
| January 30 | 59°F | 35°F | – | – | 10 h 30 min |
| January 31 | 59°F | 35°F | – | – | 10 h 30 min |
- Normal high
- 58°FJanuary average
- Normal low
- 35°FJanuary average
- Precipitation
- 3.63 inmonth total
- Nights at 32°F or colder
- 15
- Daylight
- 10 h to 10 h 30 minJanuary 1 to January 31
- Days at 70°F or more
- 6
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USC00388426; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Summerville in January?
In a normal January in Summerville, 15 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USC00388426.
What are the records for January in Summerville?
The warmest January temperature on this station's record (since 1898) is 84°F, on January 15, 1932; the coldest is 5°F, on January 22, 1985. The wettest January brought 9.29 in (1991); the snowiest, 3.0 inches (2025).
The January mean against the 1991-2020 normal of 46.4°F: 2023 53.5°F (+7.1), 2024 50.0°F (+3.6), 2025 42.2°F (−4.2), 2026 47.3°F (+0.9). 3 of 4 ran warmer than normal.
| January | Mean | Against normal | Precip. |
|---|---|---|---|
| 2023 | 53.5°F | +7.1°F | 4.81 in |
| 2024 | 50.0°F | +3.6°F | 2.48 in |
| 2025 | 42.2°F | −4.2°F | 3.53 in |
| 2026 | 47.3°F | +0.9°F | 2.50 in |
Source: records: ACIS, station USC00388426; recent months: ACIS, station USC00388426. Records and recent months use complete months only.
How does January in Summerville compare across South Carolina?
Across the 73 places PlainClimate covers in South Carolina, January normal highs run from 45°F in Caesars Head to 62°F in Hampton; Summerville's is 58°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- Summerville in December61°F by day, 37°F at night
- Summerville in February62°F by day, 37°F at night
- Summerville through the yearEvery month, frost dates, records and recent years
- South Carolina in JanuaryThe statewide normal and the warmest and coolest places
- Hampton: South Carolina's warmest Januarynormal high 62°F