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January Weather in East Washington, United States

Last updated: June 24, 2025

In January, the average temperature in East Washington, United States hovers around 0°C (32°F). Expect chilly conditions, with minimum temperatures plunging to -21°C (-6°F) and peaking at a moderate 22°C (72°F). Be prepared for 88 mm (3.5 in) of precipitation over 12 days, contributing to a high average humidity of 88%. Stay cozy!

January Temperature in East Washington

In January in East Washington, the average temperature is 0°C (32°F). Maximums can reach 22°C (72°F), while minimums can dip as low as -21°C (-6°F). Travelers should be prepared for a wide range of temperatures during their visit.

January Weather in East Washington: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in East Washington, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In East Washington, January typically has an average temperature of 0°C (32°F), with highs reaching up to 22°C (72°F) and lows dropping to around -21°C (-6°F).
JanFebMarAprMayJunJulAugSepOctNovDec323642526370757368574237
Data source: Temperature data for East Washington 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 East Washington

In East Washington in January, the precipitation amount is 88 mm (3.5 in) over a span of 12 days.

January Precipitation Trends in East Washington

The chart displays monthly precipitation patterns in East Washington, 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 East Washington, January typically receives around 88 mm (3.5 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec881211121301391471428812412288106
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in East Washington

In East Washington in January, humidity is 88%. With an average temperature of 0°C (32°F), this humidity feels like a chilly, damp blanket enveloping you, making travel uncomfortable as every breath seems to carry the weight of the cold moisture, turning each step into a struggle against the biting chill.

January Average Humidity in East Washington

This chart illustrates the average monthly humidity levels in East Washington, 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 East Washington is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%87%87%81%83%82%76%77%82%89%86%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in East Washington

In East Washington 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 East Washington, you can check the information here.

Maximum UV Index Levels in East Washington for January

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

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

This table compares monthly weather conditions in East Washington, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather0°C (32°F)88 mm (3.5 inches)88%moderate
February Weather2°C (36°F)121 mm (4.8 inches)88%moderate
March Weather6°C (42°F)112 mm (4.4 inches)87%high
April Weather11°C (52°F)130 mm (5.1 inches)87%very high
May Weather17°C (63°F)138 mm (5.5 inches)81%very high
June Weather21°C (70°F)147 mm (5.8 inches)83%very high
July Weather24°C (75°F)142 mm (5.6 inches)82%very high
August Weather23°C (73°F)88 mm (3.5 inches)76%very high
September Weather20°C (68°F)124 mm (4.9 inches)77%very high
October Weather14°C (58°F)122 mm (4.8 inches)82%high
November Weather6°C (43°F)88 mm (3.5 inches)89%moderate
December Weather3°C (37°F)106 mm (4.2 inches)86%low

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