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January Weather in Slater-Marietta, United States

Last updated: June 24, 2025

In January, the average temperature in Slater-Marietta, United States hovers around 6°C (43°F). While you might experience a chilly dip to a minimum of -15°C (5°F), the warmth can rise to a pleasant 24°C (76°F). With an average precipitation of 113 mm (4.5 in) spread over 9 days, it's wise to be prepared for some rain. Furthermore, the air carries an average humidity of 86%, adding to the cool atmosphere of this captivating destination.

January Temperature in Slater-Marietta

In January in Slater-Marietta, the average temperature is 6°C (43°F). The maximum can reach 24°C (76°F), while the minimum can be as low as -15°C (5°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

January Weather in Slater-Marietta: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Slater-Marietta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Slater-Marietta, 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 -15°C (5°F).
JanFebMarAprMayJunJulAugSepOctNovDec424852606874787772635045
Data source: Temperature data for Slater-Marietta 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 Slater-Marietta

In Slater-Marietta in January, the precipitation amount is 113 mm (4.5 in) over a span of 9 days.

January Precipitation Trends in Slater-Marietta

The chart displays monthly precipitation patterns in Slater-Marietta, 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 Slater-Marietta, January typically receives around 113 mm (4.5 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec1131591111371348886115147158101147
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Slater-Marietta

In Slater-Marietta 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 Slater-Marietta

This chart illustrates the average monthly humidity levels in Slater-Marietta, 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 Slater-Marietta 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 Slater-Marietta

In Slater-Marietta 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 Slater-Marietta for better planning.

Maximum UV Index Levels in Slater-Marietta for January

The chart shows the monthly maximum UV Index (UVI) for Slater-Marietta 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 Slater-Marietta typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111109864
Data source: Slater-Marietta 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 Slater-Marietta Compares to Other Months

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

This table compares monthly weather conditions in Slater-Marietta, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)113 mm (4.5 inches)86%moderate
February Weather9°C (48°F)159 mm (6.3 inches)86%high
March Weather11°C (53°F)111 mm (4.4 inches)86%very high
April Weather15°C (60°F)137 mm (5.4 inches)82%very high
May Weather20°C (69°F)134 mm (5.3 inches)85%extreme
June Weather23°C (74°F)88 mm (3.4 inches)85%extreme
July Weather25°C (78°F)86 mm (3.4 inches)83%extreme
August Weather25°C (77°F)115 mm (4.5 inches)76%very high
September Weather22°C (73°F)147 mm (5.8 inches)76%very high
October Weather17°C (63°F)158 mm (6.2 inches)80%very high
November Weather10°C (50°F)101 mm (4.0 inches)88%high
December Weather7°C (46°F)147 mm (5.8 inches)88%moderate

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