Last updated: February 24, 2025
January on James Island, United States brings a distinct blend of wintry chill and the potential for milder days. With maximum temperatures reaching 26°C (79°F) and an average of 11°C (52°F), the temperature fluctuates, presenting a stark contrast to the minimum of -13°C (9°F) at night. The month also witnesses 59 mm (2.3 in) of precipitation over approximately 7 days, contributing to a humid atmosphere that averages 86% humidity. This dynamic weather creates a unique setting for both locals and visitors as they navigate the diverse conditions of a winter month on the island.
In January, James Island experiences a dynamic temperature range, starting with a brisk minimum of -13°C (9°F), making it one of the coldest months of the year. The average thermometer reading hovers around a comfortable 11°C (52°F), while daytime temperatures can soar to a pleasant 26°C (79°F), revealing a striking contrast between chilly mornings and warm afternoons. As the month progresses into February and March, temperatures gradually rise, with February showcasing a milder average of 14°C (57°F) and March reaching 15°C (60°F). This upward trend heralds the arrival of spring, with notable increases in daily maximums, peaking at 28°C (82°F) in March. Overall, January serves as a bridge between the cold winter months and the warmer seasons ahead, offering a unique blend of chilly mornings and surprisingly warm afternoons.
In January, James Island experiences relatively modest precipitation, with 59 mm (2.3 in) of rain recorded over an average of just 7 days. This sets the stage for a transitional month as the region gradually moves into the wetter winter season. As February approaches, the rainfall increases noticeably to 78 mm (3.1 in) over 9 days, signaling the onset of more frequent showers. The trend continues in March, where precipitation levels remain consistent. However, from April onward, a significant uptick occurs, peaking in the summer months of June and July, with 150 mm (5.9 in) and 187 mm (7.4 in) of rain respectively, as rainfall becomes more sustained across more days. This pattern highlights January's role as a gateway to the more humid conditions of the following months, juxtaposing its relatively dry start to the year with the harsher wet seasons ahead.
In January, James Island experiences a high humidity level of 86%, marking it as one of the most humid months of the year. As winter progresses into February and March, humidity slightly decreases to 81%, signaling a gradual shift toward more comfortable conditions. April continues this trend with a further dip to 79%. However, as the warmer months approach, humidity begins to rise again in July and August, reaching levels comparable to January. Interestingly, September sees a slight uptick to 83%, hinting at the lingering effects of summer. With November and December bringing back higher humidity levels, peaking at 87%, it’s clear that the island’s climate remains consistently humid throughout the year, with notable peaks in the winter and summer months. Overall, while January begins the year at its highest, the humidity levels showcase a dynamic ebb and flow as seasons change.
In January, James Island enjoys a moderate UV Index of 4, allowing for a comfortable burn time of 30 minutes under the sun. However, as the month progresses into February, there’s a noticeable shift to a high UV Index of 7, reducing burn time to 25 minutes. This trend of increasing UV exposure continues into the spring, with the UV Index climbing to 9 in March and reaching a peak of 10 in April, both categorized as very high, where just 15 minutes of exposure can lead to sunburn. By May, the index escalates to 11, marking an extreme level of sun intensity that demands extra caution, with burn time slashed to a mere 10 minutes. This extreme level persists through the summer months of June, July, and August, before gradually tapering off in September with a drop back to a 9, and then an 8 in October. As the year wraps up, November and December see a return to moderate levels, reminiscent of January, ensuring that residents can enjoy the sun while remaining aware of UV risks. For a comprehensive look at the UV trends throughout the year, visit James Island UV Index.
UV Risk Categories
January on James Island brings about 186 hours of sunshine, setting the stage for the year ahead. As the days progress into February, the sun shines a bit brighter with 213 hours, hinting at the warmth of spring. The trend accelerates in March and April, where sunshine soars to 275 and 306 hours respectively, welcoming the blossoming beauty of the island. By May, residents bask in 336 hours of golden rays, peaking in July with an impressive 341 hours. As summer begins to wane in August, sunshine gently taper off to 314 hours, but still maintains a generous glow well into September at 300 hours. The subsequent months see a gradual decline, with November and December bringing 247 and 217 hours respectively. This annual cycle of sunshine not only reflects the changing seasons but also creates an inviting atmosphere for both residents and visitors, making James Island a year-round haven of warmth and light.
In James Island during January, the likelihood of sunny weather stands at a promising 45%, slightly higher than in the following month, February, which drops to 38%. Notably, as winter transitions to spring, the chances of clear skies begin to rise, with April reaching 56%. Interestingly, November shines as one of the sunniest months at 62%, while the summer months, particularly June and July, see a decline in sunshine, with probabilities dipping to 29% and 34%, respectively. This trend highlights a pattern where winter and late fall offer a more favorable chance for sunny days compared to the sweltering summer, making January a relatively pleasant month amidst variable weather.
In January, James Island experiences about 10 hours of daylight, marking the darkest stretch of the year. As the month progresses into February and March, the sun begins to rise earlier and set later, gradually increasing daylight to 11 hours. This upward trend continues into April and May, where daylight extends to 13 hours, signaling the approach of summer. By June and July, the island benefits from the longest days of the year, basking in 14 hours of daylight. However, as the season transitions, daylight hours start to recede, with August bringing 13 hours and September slightly less at 12 hours. This decrease continues into the fall, returning to 10 hours by November and December. The rhythm of daylight throughout the year not only shapes the natural beauty of James Island but also sets a vibrant backdrop for seasonal activities.
In January, James Island experiences an average wind speed of 3.9 m/s (9 mph), setting the tone for a breezy winter landscape. As the month transitions into February, the wind gently subsides to 3.8 m/s (8 mph), maintaining a comfortable atmosphere. This trend of mild winds continues through the spring months, with March and April both hovering around 4.0 m/s (9 mph), before returning to 3.9 m/s in April. However, as summer approaches, the winds begin to weaken notably, particularly in July and August, where speeds dip to a calm 3.2 m/s (7 mph) and 2.8 m/s (6 mph), respectively. This gradual decline in wind speeds reflects a shift towards warmer months, fostering a serene coastal vibe. By September and October, the winds regain slight momentum with speeds of 2.9 m/s (6 mph) and 3.2 m/s (7 mph), yet they never quite reach the winter's brisk levels. The year concludes in December with another subtle drop to 3.5 m/s (8 mph). Overall, January stands out as a refreshing start, while the spring and colder months provide a more lively atmosphere, showcasing delightful variations in the island's wind patterns throughout the year.
The weather in James Island changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in James Island and find detailed weather information for every month.
In January, temperatures on James Island can dip as low as -13°C (9°F) but typically average around 11°C (52°F), reaching a maximum of 26°C (79°F). The month experiences around 59 mm (2.3 in) of precipitation over 7 days, with humidity levels peaking at 86%. In contrast, February brings milder conditions, with minimum temperatures only dropping to -2°C (29°F) and an average of 14°C (57°F). The maximum temperature remains the same at 26°C (79°F), but precipitation increases to 78 mm (3.1 in) over 9 days, and humidity decreases slightly to 81%. For a more detailed look at February's weather, you can visit James Island weather in February.
January and March present quite a contrast in weather conditions. In January, temperatures can plummet to a minimum of -13°C (9°F), with an average of 11°C (52°F) and a maximum reaching 26°C (79°F). The month is characterized by high humidity at 86% and records about 59 mm (2.3 in) of precipitation over seven days. In contrast, March sees milder temperatures, with a minimum of -1°C (30°F), an average of 15°C (60°F), and a maximum of 28°C (82°F). The precipitation is slightly higher at 60 mm (2.4 in) but occurs over just six days, and the humidity decreases to 81%. For a detailed look at March weather specifics, you can check James Island weather in March.
January and April present a stark contrast in weather conditions. In January, temperatures can plummet to a minimum of -13°C (9°F) with an average of 11°C (52°F) and a maximum of 26°C (79°F). The month sees approximately 59 mm (2.3 in) of precipitation over 7 days, and the humidity remains quite high at 86%. In contrast, April experiences milder conditions with a minimum of 4°C (39°F), an average of 19°C (66°F), and a maximum reaching 31°C (89°F). Precipitation increases to 101 mm (4.0 in) over 8 days, but humidity drops to a more comfortable 79%. For those interested in experiencing what April has to offer, more details can be found at James Island weather in April.
In January, the weather tends to be quite chilly, with temperatures ranging from a minimum of -13°C (9°F) to an average of 11°C (52°F), peaking at a maximum of 26°C (79°F). The month experiences around 59 mm (2.3 in) of precipitation over approximately 7 days and a high humidity level of 86%. In stark contrast, May brings significantly warmer conditions, with temperatures starting at a minimum of 9°C (49°F), averaging 23°C (74°F), and reaching highs of 37°C (98°F). The precipitation increases to 87 mm (3.4 in) spread over 9 days, but the humidity drops to a more comfortable 75%. For more information on weather specifics, you can check James Island weather in May.
The weather in January typically experiences a significant chill, with temperatures ranging from a minimum of -13°C (9°F) to a pleasant average of 11°C (52°F), and can rise to a maximum of 26°C (79°F). It is characterized by higher humidity at 86%, with occasional precipitation totaling 59 mm (2.3 in) over about 7 days. In stark contrast, June brings warmth and increased humidity, with temperatures ranging from a minimum of 16°C (61°F) to an average of 26°C (79°F), peaking at a scorching 35°C (95°F). This month also sees much higher rainfall, with 150 mm (5.9 in) falling over approximately 19 days. For more specifics on June weather in this region, check out James Island weather in June.
The weather in January and July presents a stark contrast in terms of temperature and precipitation. January experiences much cooler temperatures, with a minimum of -13°C (9°F) and an average of 11°C (52°F), while July boasts warmer conditions, with a minimum of 20°C (69°F) and an average of 28°C (82°F). Additionally, January has relatively low precipitation at 59 mm (2.3 in) over about 7 days, whereas July sees significantly more rainfall, with 187 mm (7.4 in) spread over 20 days. Despite the increased humidity in January at 86%, July maintains a slightly lower humidity level of 80%. For more detailed insights into July's climate, visit James Island weather in July.
January and August present stark contrasts in weather on James Island. In January, temperatures can drop as low as -13°C (9°F), with average temperatures around 11°C (52°F) and peaks reaching 26°C (79°F). The month sees about 59 mm (2.3 in) of precipitation, typically over 7 days, accompanied by high humidity levels of 86%.
In contrast, August brings much warmer conditions, with minimum temperatures starting at 21°C (70°F) and averaging 27°C (81°F), soaring to a maximum of 35°C (95°F). Precipitation increases significantly to 183 mm (7.2 in) over 21 days, while humidity slightly decreases to 81%. For a closer look at August weather, check out James Island weather in August.
In January, the weather tends to be quite cold, with temperatures ranging from a chilly -13°C (9°F) to a relatively mild 26°C (79°F), resulting in an average temperature of 11°C (52°F). This month experiences a higher humidity level of 86% and sees about 59 mm (2.3 in) of precipitation over 7 days. In contrast, September brings significantly warmer conditions, with temperatures ranging from a minimum of 14°C (57°F) to a scorching maximum of 35°C (94°F), averaging 26°C (78°F). However, this month also experiences increased precipitation, totaling 176 mm (6.9 in) over 14 days, along with slightly lower humidity at 83%. For more specific details on weather patterns during this time, you can visit James Island weather in September.
January and October present striking contrasts in weather patterns. January experiences colder temperatures, with a minimum of -13°C (9°F) and an average of 11°C (52°F), reaching a maximum of 26°C (79°F). It also has higher humidity at 86% and receives about 59 mm (2.3 in) of precipitation over 7 days. In contrast, October features a milder climate, with temperatures ranging from a minimum of 3°C (38°F) to an average of 22°C (72°F), peaking at 31°C (89°F). While it is slightly wetter, with 79 mm (3.1 in) of precipitation over 9 days, the humidity is a bit lower at 78%. For more specific insights into temperature and weather trends, check out James Island weather in October.
When comparing the weather in January and November, January is characterized by significantly colder temperatures, with a minimum of -13°C (9°F) and an average of 11°C (52°F), while November enjoys milder temperatures, showcasing a minimum of -1°C (31°F) and an average of 15°C (59°F). Both months experience a similar level of humidity, hovering around the mid-80s, but November tends to be slightly wetter, with 92 mm (3.6 in) of precipitation over 8 days compared to January’s 59 mm (2.3 in) over 7 days. For those looking to explore more about the weather patterns in November, you can visit James Island weather in November.
When comparing the weather in January and December, January tends to be colder, with minimum temperatures dipping as low as -13°C (9°F) compared to December's minimum of -3°C (28°F). Although average temperatures are similar, January experiences slightly higher highs, reaching up to 26°C (79°F) versus December's maximum of 25°C (77°F). Precipitation is notably lower in January, with only 59 mm (2.3 in) over 7 days, while December sees a higher total of 127 mm (5.0 in) across 9 days. Humidity levels remain high in both months, with January at 86% and December at 87%. For a closer look at December weather, visit James Island weather in December.
January on James Island presents a unique weather experience, marked by its cooler temperatures and increased humidity, setting it apart from the milder months that surround it. The stark contrast between maximum and minimum temperatures can be quite striking, with the chillier days prompting cozy indoor activities and a chance to embrace the serene beauty of the winter landscape. While the month sees a moderate amount of precipitation over just a few days, it adds a refreshing touch to the air, making it feel crisp and invigorating. For detailed insights into the overall climate and to witness how January transitions into the warmer months, explore James Island Climate.