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Charleston, SC: January

: January 2026 averaged 48.1°F in Charleston, SC, the coldest January since 2025, 43rd coldest of 89.

Mean temperature
48.1°F
Coldest since 2025
43rd coldest of 89
Precipitation
2.38 in
Driest since 2025
37th driest of 89

A normal January in Charleston, SC (1991 to 2020): a mean temperature of 49.6°F, between 45.2°F and 54.2°F in eight years of ten and 2.84 in of precipitation, between 1.05 in and 7.51 in in eight years of ten.

The mean temperature of every January in Charleston, SC since 1938: 48.1°F in 2026; the lowest is 37.7°F, in 1940.
2025: 43.5°F1940: 37.7°F2026: 48.1°F 2026 48.1°F 1940 37.7°F since 2025 1938 2026
  • Normal range, 45.2 to 54.2°F
Every year, ranked, as a table

Every January in Charleston, SC from 1938 to 2026, ranked: the mean temperature, the mean high and the mean low from the warmest, the precipitation from the wettest; a year missing more than a tenth of its days is not ranked.

YearMean, °FRankHigh, °FRankLow, °FRankPrecipitation, inRankDays missing
202648.14759.74036.5512.38530
202543.57954.87832.2822.09570
202451.92163.52040.3231.94610
202355.7566.7544.6113.74310
202247.25658.64935.8592.13560
202150.72760.53240.9214.44190
202054.61264.2154561.46710
201950.925612940.8221.70640
201845.36756.46834.1682.76430
201756.6467.1446.143.78300
201647.85058.25537.4473.40360
201548.64259.34338423.53330
201445.665576334.2662.67470
201355.3966.5644.1120.35890
201252.71765.61239.9270.64870
201144.47655.27633.6741.98590
201044.57554.97734.1686.4690
200948.245585838.4381.29740
200848.94059.54138.3393.07400
200752.42062.72342183.83290
200654.11365.51342.7162.93410
200550.72761.32840.2241.70640
200446.36158.15634.4651.57700
200344.77255.77333.7731.04800
200251.32362.82139.7302.42520
200146.45958.15634.6631.07770
200047.35558.35236.4524.04240
199953.61566.1941204.96130
199852.51861.92543157.5830
199749.73459.93739.5332.68460
19964848603636.1561.05790
199549.63559.44239.9273.94270
199446.45956.86536.1567.5040
199353.61562.3244568.9210
199249.53659.34339.7304.93140
199150.82658.94642.7167.7820
199055.4866.1944.7103.96260
198955.57661144.982.65480
198843.28252.28534.2662.76430
198747.25656.46838427.1760
198645.86456.96434.7622.05580
198542.68553.18432.1830.87840
198446.16355.47436.8495.12120
198345.56653.38337.8454.86170
1982457156.66733.5762.18550
198141.58654.67928.5880.93820
198048.74157.66039.8293.99250
197945.36757.66033.1783.43350
197843.48154.18032.8794.31200
197738.68848.68928.7872.72450
197644.77257.26232.3811.62680
197553.71463.91743.6144.92160
197461.8170.9252.711.42730
1973484858.35237.7464.59180
197254.81164.71444.894.13230
197149.93259.83940255.45110
1970418751.38730.6862.51510
196944.67455.87233.4771.19750
196843.57955.47431.6852.25540
196750.53062.82138.3394.93140
196643.97853.88234716.6870
196548.34460.83035.9581.69660
196448.54360.33336.7506.5380
196345.36756.17034.5643.14390
196247.15858.35235.8593.59320
196144.37756.76631.9841.77630
196049.23758.94639.4355.81100
195946.36158.64933.9724.20220
195842.98452.28533.6747.2050
1957503160.63139.5331.43720
195645.17056.17034.1682.56500
195547.652594536.2543.29370
195451.52263.71839.3360.89830
195352.51863.61941.3191.86620
195255.21066.4744131.06780
1951493961.62636.4520.76860
195060.6272.3148.920.63880
194958.4369.834730.77850
194843.28254.18032.4803.50340
194755.7566.3845.151.15760
194650.72761.52740254.29210
194547.65258.45136.9481.66670
194449.23760.23438.2413.24380
194349.83359.93739.6323.93280
194247.75160.13535.3612.88420
194147.55458.84836.2541.59690
194037.78948.78826.7892.62490
193951.12464.21538421.95600
193848.24557.95938.8370.99811

Warmest, coldest, wettest and driest

Warmest
YearMean, °F
197461.8
195060.6
194958.4
201756.6
202355.7
194755.7
198955.5
199055.4
201355.3
195255.2
Coldest
YearMean, °F
194037.7
197738.6
197041
198141.5
198542.6
195842.9
198843.2
194843.2
197843.4
202543.5
More years share the last value
Wettest
YearPrecipitation, in
19938.92
19917.78
19987.58
19947.50
19587.20
19877.17
19666.68
19646.53
20106.46
19605.81
Driest
YearPrecipitation, in
20130.35
19500.63
20120.64
19510.76
19490.77
19850.87
19540.89
19810.93
19380.99
20031.04

The hottest, coldest and wettest days

Hottest day
79°F
Coldest night
20°F
,
Wettest day
1.24 in

Every month, season and year

Months

Seasons

Years

Charleston, SC the day's answers

All-time records

Every answer in words
  • January 2026 brought 2.38 in of precipitation in Charleston, SC, the driest January since 2025, 37th driest of 89.
  • The hottest day of January 2026 in Charleston, SC: 79°F on Friday 9 January 2026.
  • The coldest night of January 2026 in Charleston, SC: a low of 20°F on Saturday 31 January 2026 and Tuesday 27 January 2026.
  • The wettest day of January 2026 in Charleston, SC: 1.24 in on Saturday 3 January 2026.