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January Weather in New Martinsville, United States

Last updated: June 24, 2025

In January, the average temperature in New Martinsville, United States hovers around 0°C (33°F). Expect a range that dips as low as -21°C (-5°F) and peaks at 22°C (72°F). With an average humidity of 88%, prepare for a moist environment, and be ready for 93 mm (3.7 in) of precipitation over 10 days.

January Temperature in New Martinsville

In January in New Martinsville, the average temperature is 0°C (33°F). The maximum can reach 22°C (72°F), and the minimum can be as low as -21°C (-5°F). Be prepared for a wide range of temperatures when traveling to New Martinsville during this time.

January Weather in New Martinsville: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in New Martinsville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In New Martinsville, January typically has an average temperature of 0°C (33°F), with highs reaching up to 22°C (72°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec323743536370757368584337
Data source: Temperature data for New Martinsville 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 New Martinsville

In New Martinsville in January, the precipitation amount is 93 mm (3.7 in) over the course of 10 days.

January Precipitation Trends in New Martinsville

The chart displays monthly precipitation patterns in New Martinsville, 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 New Martinsville, January typically receives around 93 mm (3.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec931251201451401751359910711588121
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in New Martinsville

In New Martinsville in January, humidity is 88%. With an average temperature of 0°C (33°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in New Martinsville

This chart illustrates the average monthly humidity levels in New Martinsville, 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 New Martinsville is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec88%88%88%87%82%84%82%73%74%81%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in New Martinsville

In New Martinsville 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 New Martinsville, you can check the information here.

Maximum UV Index Levels in New Martinsville for January

The chart shows the monthly maximum UV Index (UVI) for New Martinsville 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 New Martinsville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910101098653
Data source: New Martinsville 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 New Martinsville Compares to Other Months

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

This table compares monthly weather conditions in New Martinsville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (33°F)93 mm (3.7 inches)88%moderate
February Weather3°C (37°F)125 mm (4.9 inches)88%moderate
March Weather6°C (44°F)120 mm (4.7 inches)88%high
April Weather12°C (53°F)145 mm (5.7 inches)86%very high
May Weather17°C (64°F)140 mm (5.5 inches)82%very high
June Weather21°C (71°F)175 mm (6.9 inches)84%very high
July Weather24°C (75°F)135 mm (5.3 inches)82%very high
August Weather23°C (73°F)99 mm (3.9 inches)73%very high
September Weather20°C (69°F)107 mm (4.2 inches)73%very high
October Weather14°C (58°F)115 mm (4.5 inches)81%high
November Weather6°C (43°F)88 mm (3.5 inches)89%moderate
December Weather3°C (38°F)121 mm (4.8 inches)86%moderate

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