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January Weather in Mount Pleasant, United States

Last updated: June 24, 2025

In January, the average temperature in Mount Pleasant, United States hovers around 6°C (43°F). Expect a diverse range of conditions, with minimums dipping to -14°C (7°F) and maximums reaching up to 24°C (76°F). Be prepared for 94 mm (3.7 in) of precipitation over about 9 days, and note the high humidity levels at an average of 86%.

January Temperature in Mount Pleasant

In January in Mount Pleasant, the average temperature is 6°C (43°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -14°C (7°F). Be prepared for a wide range of weather conditions when traveling to Mount Pleasant during this time.

January Weather in Mount Pleasant: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Mount Pleasant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Mount Pleasant, January typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (76°F) and lows dropping to around -14°C (7°F).
JanFebMarAprMayJunJulAugSepOctNovDec434853627076807874645046
Data source: Temperature data for Mount Pleasant generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Mount Pleasant

In Mount Pleasant in January, the precipitation amount reaches 94 mm (3.7 in) over the course of 9 days.

January Precipitation Trends in Mount Pleasant

The chart displays monthly precipitation patterns in Mount Pleasant, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Mount Pleasant, January typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec941188510412193991061479790118
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Mount Pleasant

In Mount Pleasant in January humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

January Average Humidity in Mount Pleasant

This chart illustrates the average monthly humidity levels in Mount Pleasant, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Mount Pleasant is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%84%82%83%82%80%74%75%79%87%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Mount Pleasant

In Mount Pleasant in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Mount Pleasant for better planning.

Maximum UV Index Levels in Mount Pleasant for January

The chart shows the monthly maximum UV Index (UVI) for Mount Pleasant in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Mount Pleasant typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810101110109853
Data source: Mount Pleasant January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How January Weather in Mount Pleasant Compares to Other Months

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.

This table compares monthly weather conditions in Mount Pleasant, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)94 mm (3.7 inches)86%moderate
February Weather9°C (49°F)118 mm (4.7 inches)85%high
March Weather12°C (53°F)85 mm (3.4 inches)84%very high
April Weather16°C (62°F)104 mm (4.1 inches)82%very high
May Weather21°C (71°F)121 mm (4.8 inches)83%very high
June Weather25°C (77°F)92 mm (3.6 inches)82%extreme
July Weather27°C (80°F)99 mm (3.9 inches)80%very high
August Weather26°C (78°F)106 mm (4.2 inches)74%very high
September Weather23°C (74°F)147 mm (5.8 inches)75%very high
October Weather18°C (65°F)97 mm (3.8 inches)79%very high
November Weather10°C (51°F)89 mm (3.5 inches)87%moderate
December Weather8°C (46°F)118 mm (4.6 inches)87%moderate

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