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January Weather in West Salem, United States

Last updated: June 24, 2025

In January, the average temperature in West Salem, United States hovers around 1°C (34°F), with a minimum reaching as low as -19°C (-2°F) and a maximum soaring to 20°C (69°F). This month experiences an average precipitation of 92 mm (3.6 in) over 8 days, accompanied by a high humidity level of 84%. Prepare for a chilly and damp atmosphere!

January Temperature in West Salem

In January in West Salem, the average temperature is 1°C (34°F), with maximums reaching 20°C (69°F) and minimums plummeting to as low as -19°C (-2°F). Be prepared for a wide range of weather conditions if you're planning to travel during this time!

January Weather in West Salem: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in West Salem, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Salem, January typically has an average temperature of 1°C (34°F), with highs reaching up to 20°C (69°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec343747566877807773604440
Data source: Temperature data for West Salem 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 West Salem

In West Salem in January, the precipitation amount is 92 mm (3.6 in), occurring over the course of 8 days.

January Precipitation Trends in West Salem

The chart displays monthly precipitation patterns in West Salem, 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 West Salem, January typically receives around 92 mm (3.6 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec921091381161321168387661049995
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in West Salem

In West Salem in January humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.

January Average Humidity in West Salem

This chart illustrates the average monthly humidity levels in West Salem, 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 West Salem is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%82%84%83%80%83%82%83%79%79%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in West Salem

In West Salem 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 West Salem, you can check the information here.

Maximum UV Index Levels in West Salem for January

The chart shows the monthly maximum UV Index (UVI) for West Salem 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 West Salem typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec357910111099743
Data source: West Salem 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 West Salem Compares to Other Months

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

This table compares monthly weather conditions in West Salem, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)92 mm (3.6 inches)84%moderate
February Weather3°C (37°F)109 mm (4.3 inches)82%moderate
March Weather8°C (48°F)138 mm (5.4 inches)84%high
April Weather13°C (56°F)116 mm (4.6 inches)83%very high
May Weather20°C (68°F)132 mm (5.2 inches)80%very high
June Weather25°C (77°F)116 mm (4.6 inches)83%extreme
July Weather27°C (80°F)83 mm (3.3 inches)82%very high
August Weather25°C (77°F)87 mm (3.4 inches)82%very high
September Weather23°C (73°F)66 mm (2.6 inches)79%very high
October Weather16°C (61°F)104 mm (4.1 inches)79%high
November Weather7°C (45°F)99 mm (3.9 inches)88%moderate
December Weather4°C (40°F)94 mm (3.7 inches)87%moderate

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