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January Weather in Clayton, United States

Last updated: June 24, 2025

In January, the average temperature in Clayton, United States hovers around -5°C (23°F). Be prepared for chilly fluctuations, as temperatures can dip as low as -27°C (-16°F) or rise to a maximum of 12°C (53°F). Expect 82 mm (3.2 in) of precipitation over 12 days, with a notably high average humidity of 93%. Dress warmly and plan for the wet conditions!

January Temperature in Clayton

In January in Clayton, average temperature is -5°C (23°F). Maximum can reach 12°C (53°F) and minimum can be as low as -27°C (-16°F). Be prepared for a wide range of temperatures and pack accordingly for your trip.

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

The chart illustrates January temperature patterns in Clayton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Clayton, January typically has an average temperature of -5°C (23°F), with highs reaching up to 12°C (53°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec232432435564727063523829
Data source: Temperature data for Clayton 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 Clayton

In Clayton in January, the precipitation amount is 82 mm (3.2 in) occurring over a span of 12 days.

January Precipitation Trends in Clayton

The chart displays monthly precipitation patterns in Clayton, 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 Clayton, January typically receives around 82 mm (3.2 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec82808312710094131997015611898
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Clayton

In Clayton in January humidity is 93%. With an average temperature of -5°C (23°F), this humidity feels like a biting, frosty chill that permeates through layers of clothing, making outdoor adventures uncomfortable and travel challenging.

January Average Humidity in Clayton

This chart illustrates the average monthly humidity levels in Clayton, 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 Clayton is approximately 93%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%86%82%75%68%69%67%72%83%88%89%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Clayton

In Clayton in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Clayton, you can visit Hourly UV Index in Clayton.

Maximum UV Index Levels in Clayton for January

The chart shows the monthly maximum UV Index (UVI) for Clayton 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 Clayton typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec245899997532
Data source: Clayton 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 Clayton Compares to Other Months

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

This table compares monthly weather conditions in Clayton, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-5°C (23°F)82 mm (3.2 inches)93%low
February Weather-4°C (25°F)80 mm (3.2 inches)93%moderate
March Weather0°C (32°F)83 mm (3.2 inches)86%moderate
April Weather6°C (43°F)127 mm (5.0 inches)82%very high
May Weather13°C (55°F)100 mm (3.9 inches)75%very high
June Weather18°C (65°F)94 mm (3.7 inches)68%very high
July Weather22°C (72°F)131 mm (5.2 inches)69%very high
August Weather21°C (71°F)99 mm (3.9 inches)67%very high
September Weather17°C (63°F)70 mm (2.8 inches)72%high
October Weather11°C (52°F)156 mm (6.1 inches)83%moderate
November Weather4°C (39°F)117 mm (4.6 inches)88%moderate
December Weather-1°C (30°F)98 mm (3.8 inches)89%low

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