Weather on April 18

Charleston, SC

55 Years of Data

Avg High
74°F
Avg Low
59°F
Warmest
1976
76°F avg
Coldest
1983
53°F avg

About This Date

April 18th in Charleston, SC typically brings pleasant spring weather, with average highs around 74°F and lows near 59°F. Over 55 years of records, the warmest April 18th was in 1976 (76°F average), while the coldest was 1983 (53°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 22% of April 18th dates historically, with the wettest April 18th recording 6.88" of rain. The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.8°F warmer on this date compared to 20-30 years ago.

Planning for April 18th in Charleston, SC? Great weather for outdoor activities.

Warming Trend
0.5°F per decade on this date
YearHighLowAvgPrecipSnow
202573°65°69°
202480°68°74°
202371°56°63°
202276°57°66°0.53"
202179°66°72°
202082°68°75°
201975°66°71°
201881°60°70°
201778°68°73°
201672°53°62°
201578°67°72°0.23"
201463°57°60°6.88"
201376°68°72°
201275°67°71°0.13"
201171°58°64°
201070°62°66°
200968°51°60°
200877°56°66°
200766°60°63°
200669°58°63°0.03"
200571°51°61°
200473°62°68°
200371°67°69°
200281°69°75°
200165°41°53°
200072°60°66°0.25"
199969°49°59°
199881°71°76°
199764°45°54°
199674°58°66°
199582°68°75°
199472°59°65°
199364°53°59°
199271°63°67°0.13"
199173°63°68°
199070°53°61°0.43"
198979°61°70°
198870°64°67°0.08"
198767°54°60°1.09"
198670°47°58°
198575°58°66°
198466°50°58°
1983coldest64°43°53°0.48"
198272°61°66°
198184°62°73°
198070°58°64°
197969°54°61°
197878°62°70°0.81"
197783°65°74°
1976warmest90°62°76°
197575°62°69°
197467°50°58°
197371°64°68°
197273°61°67°
197187°61°74°
55 years of data from DWTN CHARLESTON

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.