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January Weather in Clayton, United States

Last updated: June 24, 2025

In Clayton, United States, the average temperature in January hovers around -2°C (28°F). However, it can swing dramatically, with minimums plunging to -27°C (-17°F) and maximums reaching up to 16°C (62°F). Expect 62 mm (2.4 in) of precipitation over roughly 7 days, accompanied by a high average humidity of 82%.

January Temperature in Clayton

In January in Clayton, the average temperature is -2°C (28°F). The maximum can reach 16°C (62°F) and the minimum can drop as low as -27°C (-17°F). Travelers should be prepared for a wide range of temperatures, making layered clothing essential for enjoying outdoor activities in this region.

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 -2°C (28°F), with highs reaching up to 16°C (62°F) and lows dropping to around -27°C (-17°F).
JanFebMarAprMayJunJulAugSepOctNovDec283143526575787570564136
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 total precipitation amount is 62 mm (2.4 in) observed over a span of 7 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 62 mm (2.4 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec62641231041621198998901045947
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 82%. With an average temperature of -2°C (28°F), this humidity feels like an icy shroud enveloping you, making every breath feel crisp and biting as you navigate through a winter wonderland, each step a reminder of the contrast between the cold air and the heavy moisture lingering in the atmosphere.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%80%80%80%82%83%81%80%76%76%85%86%
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 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 Clayton, you can check the information here.

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 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111198643
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-2°C (28°F)62 mm (2.4 inches)82%moderate
February Weather-1°C (31°F)64 mm (2.5 inches)80%moderate
March Weather6°C (44°F)123 mm (4.8 inches)80%high
April Weather11°C (52°F)104 mm (4.1 inches)80%very high
May Weather18°C (65°F)162 mm (6.4 inches)82%very high
June Weather24°C (75°F)119 mm (4.7 inches)83%extreme
July Weather26°C (78°F)88 mm (3.5 inches)81%extreme
August Weather24°C (75°F)98 mm (3.9 inches)80%very high
September Weather21°C (71°F)90 mm (3.5 inches)76%very high
October Weather14°C (57°F)104 mm (4.1 inches)76%high
November Weather5°C (42°F)59 mm (2.3 inches)85%moderate
December Weather2°C (36°F)47 mm (1.9 inches)86%moderate

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