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January Weather in West Valley, United States

Last updated: June 24, 2025

In January, the average temperature in West Valley, United States hovers around -4°C (24°F). Expect a broad range, with minimums plunging to -24°C (-11°F) and maximums soaring to 17°C (63°F). With 97 mm (3.8 in) of precipitation spread over 15 days, be prepared for a wet month ahead! Additionally, the average humidity is a high 91%, creating a damp atmosphere throughout.

January Temperature in West Valley

In January in West Valley, the average temperature is -4°C (24°F), with maximums reaching 17°C (63°F) and minimums dipping as low as -24°C (-11°F). It's essential to prepare for significant temperature fluctuations if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in West Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Valley, January typically has an average temperature of -4°C (24°F), with highs reaching up to 17°C (63°F) and lows dropping to around -24°C (-11°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733445765706862513730
Data source: Temperature data for West Valley 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 Valley

In West Valley in January, the total precipitation amount is 97 mm (3.8 in) spread over 15 days.

January Precipitation Trends in West Valley

The chart displays monthly precipitation patterns in West Valley, 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 Valley, January typically receives around 97 mm (3.8 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec971049712913112415210983149114115
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in West Valley

In West Valley in January humidity is 91%. With an average temperature of -4°C (24°F), this humidity feels like an icy grip that seeps into your bones, making travel uncomfortable and challenging as the cold air, mixed with high moisture, creates a biting chill that discourages outdoor exploration.

January Average Humidity in West Valley

This chart illustrates the average monthly humidity levels in West Valley, 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 Valley is approximately 91%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec91%91%88%88%82%80%77%72%76%83%88%87%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in West Valley

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

Maximum UV Index Levels in West Valley for January

The chart shows the monthly maximum UV Index (UVI) for West Valley 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 Valley typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec356910101098642
Data source: West Valley 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 Valley Compares to Other Months

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

This table compares monthly weather conditions in West Valley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)97 mm (3.8 inches)91%moderate
February Weather-3°C (27°F)104 mm (4.1 inches)91%moderate
March Weather1°C (33°F)97 mm (3.8 inches)88%high
April Weather7°C (44°F)129 mm (5.1 inches)88%very high
May Weather14°C (57°F)131 mm (5.2 inches)82%very high
June Weather18°C (65°F)124 mm (4.9 inches)79%very high
July Weather21°C (70°F)152 mm (6.0 inches)77%very high
August Weather20°C (68°F)109 mm (4.3 inches)72%very high
September Weather17°C (62°F)83 mm (3.3 inches)76%very high
October Weather11°C (52°F)149 mm (5.9 inches)83%high
November Weather3°C (37°F)114 mm (4.5 inches)88%moderate
December Weather-1°C (30°F)115 mm (4.5 inches)87%low

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