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January Weather in West Richland, United States

Last updated: June 24, 2025

In January, the average temperature in West Richland, United States hovers around 2°C (35°F), with minimums plummeting to -20°C (-3°F) and maximums reaching up to 16°C (62°F). This month typically sees 36 mm (1.4 in) of precipitation spread over 8 days, accompanied by an average humidity of 85%. Prepare for a chilly, damp environment!

January Temperature in West Richland

In January in West Richland, the average temperature is 2°C (35°F). The maximum can reach 16°C (62°F), and the minimum can be as low as -20°C (-3°F). Travelers should be prepared for a wide range of temperatures and pack accordingly.

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

The chart illustrates January temperature patterns in West Richland, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In West Richland, January typically has an average temperature of 2°C (35°F), with highs reaching up to 16°C (62°F) and lows dropping to around -20°C (-3°F).
JanFebMarAprMayJunJulAugSepOctNovDec353646566674828069544236
Data source: Temperature data for West Richland 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 Richland

In West Richland in January, the precipitation amount is 36 mm (1.4 in) over a period of 8 days.

January Precipitation Trends in West Richland

The chart displays monthly precipitation patterns in West Richland, 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 Richland, January typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec36392622137038233030
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in West Richland

In West Richland in January humidity is 85%. With an average temperature of 2°C (35°F), this humidity feels like a damp chill that permeates your clothing, making travel uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in West Richland

This chart illustrates the average monthly humidity levels in West Richland, 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 Richland is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%82%77%79%77%62%60%80%87%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in West Richland

In West Richland 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 West Richland, you can visit Hourly UV Index in West Richland.

Maximum UV Index Levels in West Richland for January

The chart shows the monthly maximum UV Index (UVI) for West Richland 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 Richland typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2356991097532
Data source: West Richland 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 Richland Compares to Other Months

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

This table compares monthly weather conditions in West Richland, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)36 mm (1.4 inches)85%low
February Weather2°C (37°F)39 mm (1.5 inches)86%moderate
March Weather8°C (47°F)26 mm (1.0 inches)86%moderate
April Weather13°C (56°F)22 mm (0.9 inches)82%high
May Weather19°C (67°F)13 mm (0.5 inches)77%very high
June Weather24°C (75°F)7 mm (0.3 inches)79%very high
July Weather28°C (82°F)0 mm (0.0 inches)77%very high
August Weather27°C (80°F)3 mm (0.1 inches)62%very high
September Weather20°C (69°F)8 mm (0.3 inches)60%high
October Weather12°C (54°F)23 mm (0.9 inches)80%moderate
November Weather6°C (42°F)30 mm (1.2 inches)87%moderate
December Weather2°C (36°F)30 mm (1.2 inches)86%low

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