Last updated: June 24, 2025
In January, the average temperature in Mount Pleasant, United States hovers around 1°C (34°F). Expect chilly days with a minimum temperature plummeting to -16°C (3°F), while the maximum can reach a surprisingly mild 20°C (68°F). Be prepared for precipitation totaling 60 mm (2.4 in) over about 8 days, and keep in mind the high average humidity of 84%, making the air feel even cooler!
In January in Mount Pleasant, the average temperature is 1°C (34°F). Maximum temperatures can reach 20°C (68°F), while minimums can drop as low as -16°C (3°F). Be prepared for a wide range of temperatures when planning your trip!
In Mount Pleasant in January, the total precipitation amount is 60 mm (2.4 in) spread over the course of 8 days.
In Mount Pleasant in January humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.
In Mount Pleasant in January, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Mount Pleasant, you can check the information here.
UV Risk Categories
Weather in Mount Pleasant varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Mount Pleasant, focusing on differences in temperature, rainfall, humidity, and UV levels.
Temperature | Precipitation | Humidity | UV | |
---|---|---|---|---|
January Weather | 1°C (34°F) | 60 mm (2.4 inches) | 84% | moderate |
February Weather | 3°C (38°F) | 94 mm (3.7 inches) | 83% | moderate |
March Weather | 6°C (44°F) | 93 mm (3.7 inches) | 83% | high |
April Weather | 12°C (54°F) | 96 mm (3.8 inches) | 81% | very high |
May Weather | 18°C (64°F) | 137 mm (5.4 inches) | 78% | very high |
June Weather | 22°C (73°F) | 104 mm (4.1 inches) | 79% | very high |
July Weather | 25°C (78°F) | 131 mm (5.2 inches) | 74% | very high |
August Weather | 24°C (76°F) | 139 mm (5.5 inches) | 72% | very high |
September Weather | 21°C (70°F) | 117 mm (4.6 inches) | 75% | very high |
October Weather | 15°C (60°F) | 99 mm (3.9 inches) | 81% | high |
November Weather | 7°C (45°F) | 88 mm (3.4 inches) | 85% | moderate |
December Weather | 3°C (38°F) | 91 mm (3.6 inches) | 84% | moderate |