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January Weather in McCaysville, United States

Last updated: June 24, 2025

In January, the average temperature in McCaysville, United States hovers around 5°C (41°F). Temperatures can swing dramatically, with minimums dipping to -15°C (6°F) and maximums peaking at 22°C (71°F). Expect a precipitation amount of 109 mm (4.3 in) spread over about 11 days, contributing to an average humidity of 86%.

January Temperature in McCaysville

In January in McCaysville, the average temperature is 5°C (41°F), with maximums that can reach 22°C (71°F) and minimums that can drop as low as -15°C (6°F). This diverse weather means visitors should be prepared for both mild days and chilly nights while exploring.

January Weather in McCaysville: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in McCaysville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In McCaysville, January typically has an average temperature of 5°C (41°F), with highs reaching up to 22°C (71°F) and lows dropping to around -15°C (6°F).
JanFebMarAprMayJunJulAugSepOctNovDec414652586772757470624844
Data source: Temperature data for McCaysville 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 McCaysville

In McCaysville in January, the precipitation amount is 109 mm (4.3 in), occurring over a span of 11 days.

January Precipitation Trends in McCaysville

The chart displays monthly precipitation patterns in McCaysville, 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 McCaysville, January typically receives around 109 mm (4.3 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec10919116114711813912214910914189148
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in McCaysville

In McCaysville in January humidity is 86%. With an average temperature of 5°C (41°F), this humidity feels like a heavy, damp blanket wrapping around you, making outdoor activities uncomfortable and travel quite challenging due to the chill combined with the stickiness in the air.

January Average Humidity in McCaysville

This chart illustrates the average monthly humidity levels in McCaysville, 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 McCaysville is approximately 86%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%86%86%82%85%85%83%76%76%80%88%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in McCaysville

In McCaysville 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 McCaysville for better planning.

Maximum UV Index Levels in McCaysville for January

The chart shows the monthly maximum UV Index (UVI) for McCaysville 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 McCaysville typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46810111111109764
Data source: McCaysville 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 McCaysville Compares to Other Months

Weather in McCaysville varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in McCaysville, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in McCaysville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)109 mm (4.3 inches)86%moderate
February Weather8°C (46°F)191 mm (7.5 inches)86%high
March Weather11°C (52°F)161 mm (6.4 inches)86%very high
April Weather14°C (58°F)147 mm (5.8 inches)82%very high
May Weather19°C (67°F)118 mm (4.6 inches)85%extreme
June Weather22°C (72°F)139 mm (5.5 inches)85%extreme
July Weather24°C (75°F)122 mm (4.8 inches)83%extreme
August Weather23°C (74°F)149 mm (5.9 inches)76%very high
September Weather21°C (71°F)109 mm (4.3 inches)76%very high
October Weather16°C (62°F)140 mm (5.5 inches)80%high
November Weather9°C (49°F)89 mm (3.5 inches)88%high
December Weather7°C (44°F)148 mm (5.8 inches)88%moderate

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