Weather in North Charleston

Stay up to date with the latest weather conditions in the city of North Charleston. This section will provide you with current data, detailed forecasts, and useful weather charts.

The climate in North Charleston, located in the United States, can be characterised as humid subtropical. The city features distinct seasons: here you can expect a hot and humid summer, while winters are typically mild and short. Spring and autumn offer comfortable temperatures, creating pleasant conditions for visiting and outdoor activities.

The summer months, from June to August, are the warmest, with average temperatures ranging from 26-28°C and maximum values often exceeding 30°C. It is during the summer, particularly in July and August, that the highest number of days with precipitation is observed, indicating increased humidity. The winter period, from December to February, is characterised by mildness: average temperatures rarely drop below 10°C. Although precipitation occurs throughout the year, the total amount is low, with a slight increase in the number of rainy days during the summer months, which is worth considering when planning your trip.

In North Charleston, the climate is characterised by noticeable seasonal temperature changes. The annual range of average temperatures extends from approximately 10.8°C in January to a peak of 27.8°C in July. The hottest months are July and August. During this period, the average daytime temperature often rises above 30°C (reaching a maximum of 31.4°C in July), while nights remain very warm, with minimums around 24°C. Conversely, the coolest month is usually January, when the average temperature is 10.8°C. In January, night-time temperatures can drop to 6.2°C, while daytime highs hover around 15.4°C.

Summer months in North Charleston, especially from June to August, are distinguished by hot and, judging by the number of wet days, quite humid weather. Daily average temperatures during this period consistently exceed 26°C. Winter here is mild and relatively warm. From December to February, average temperatures fluctuate between 10.8°C and 14.1°C. Night frosts are a rare phenomenon, as minimum temperatures usually do not fall below 6°C, and during the day the air warms up to 15-19°C. The transitional seasons, spring (March-May) and autumn (September-November), offer comfortable warm weather with a gradual change in average monthly temperatures from 16°C to 23°C in spring and from 25°C to 15°C in autumn. Daily temperature fluctuations in the city are moderate: the difference between day and night temperatures is usually between 7°C and 10°C, ensuring relatively smooth transitions between daytime warmth and evening coolness.

The city of North Charleston observes a rather specific distribution of precipitation throughout the year. In general, the level of monthly precipitation is low, fluctuating between 2 to 6 mm. The temperature regime remains above freezing throughout the year, so precipitation falls predominantly as rain.

The wettest period is considered to be the summer months. In July and August, the maximum amount of precipitation falls — 6 mm each, with these months having the highest number of rainy days, about 22 days. June is also characterised by increased humidity with 5 mm of precipitation and 18 rainy days. September, with 5 mm of precipitation and 13 rainy days, is a transitional month from the wetter summer to the dry autumn.

The driest months in North Charleston are October and November, when only 2 mm of precipitation falls. October has the lowest number of rainy days — about 7. Winter and spring months (from January to May) demonstrate a moderate amount of precipitation, amounting to 3 mm monthly, with the number of rainy days ranging from 8 in April to 11 in May. December also brings about 4 mm of precipitation with 10 rainy days.

When planning a trip to North Charleston, it is important to consider its generally mild climate to pack your suitcase correctly. In summer (June-August), expect hot and humid weather with average highs around 30-31°C. Pack light and breathable clothing: cotton shorts, t-shirts, sundresses. Given the large number of days with precipitation in the summer period (up to 22 days in July and August, although the total amount of precipitation, according to data, is small, amounting to 5-6 mm per month), a compact umbrella or a light waterproof jacket would be a sensible precaution. Do not forget about sun protection: sunglasses, a wide-brimmed hat, and sunscreen with high SPF are extremely important.

Spring (March-May) and autumn (September-November) in North Charleston offer pleasant weather with temperatures from 11°C to 29°C. For these transitional seasons, layered clothing is best: t-shirts, long-sleeved shirts, a light or medium jacket, as well as a sweater or fleece for cool evenings or windy days, which can be typical for coastal areas. Winters (December-February) are mild here, with average temperatures from 6°C to 19°C. You will be comfortable in a warmer jacket, sweaters, and long trousers. Although snowfall is rare, several rainy days per month (about 9-10 with a total precipitation of 2-4 mm) are quite common, so an umbrella will still come in handy.

Regardless of the season, comfortable walking shoes are an absolute necessity for exploring North Charleston. If you plan on active outdoor recreation or are visiting during a period with a higher probability of precipitation, water-resistant shoes may prove useful. Consider taking a reusable water bottle with you to avoid dehydration, especially during the warm months. A small backpack or day bag will be useful for carrying your daily essentials, including that umbrella!