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January Weather in Grangeville, United States

Last updated: June 24, 2025

In Grangeville, United States, the average temperature in January hovers around -1°C (31°F), with a minimum plunging to -19°C (-2°F) and a maximum reaching up to 10°C (51°F). The month sees about 65 mm (2.6 in) of precipitation spread over 13 days, contributing to an average humidity of a brisk 90%.

January Temperature in Grangeville

In January in Grangeville, the average temperature is -1°C (31°F). The maximum can reach 10°C (51°F), while the minimum can drop as low as -19°C (-2°F). Be prepared for cold weather and dress in layers to stay warm during your travels.

January Weather in Grangeville: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Grangeville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Grangeville, January typically has an average temperature of -1°C (31°F), with highs reaching up to 10°C (51°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec313038445361717060463831
Data source: Temperature data for Grangeville 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 Grangeville

In Grangeville in January, the precipitation amount is 65 mm (2.6 in) spread over a duration of 13 days.

January Precipitation Trends in Grangeville

The chart displays monthly precipitation patterns in Grangeville, 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 Grangeville, January typically receives around 65 mm (2.6 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec6513390106938373045798286
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Grangeville

In Grangeville in January humidity is 90%. With an average temperature of -1°C (31°F), this humidity feels like an icy blanket wrapping around you, making travel uncomfortable as the damp air seeps into your clothes, chilling you to the bone with every step you take.

January Average Humidity in Grangeville

This chart illustrates the average monthly humidity levels in Grangeville, 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 Grangeville is approximately 90%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%91%88%84%77%78%78%63%60%77%86%90%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Grangeville

In Grangeville 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 Grangeville, you can check the information here.

Maximum UV Index Levels in Grangeville for January

The chart shows the monthly maximum UV Index (UVI) for Grangeville 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 Grangeville typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec34789101098532
Data source: Grangeville 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 Grangeville Compares to Other Months

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

This table compares monthly weather conditions in Grangeville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-1°C (31°F)65 mm (2.6 inches)90%moderate
February Weather-1°C (31°F)133 mm (5.2 inches)91%moderate
March Weather3°C (38°F)90 mm (3.5 inches)88%high
April Weather7°C (45°F)106 mm (4.2 inches)84%very high
May Weather12°C (53°F)93 mm (3.6 inches)77%very high
June Weather16°C (61°F)83 mm (3.3 inches)78%very high
July Weather22°C (71°F)7 mm (0.3 inches)77%very high
August Weather21°C (70°F)30 mm (1.2 inches)63%very high
September Weather15°C (60°F)45 mm (1.8 inches)60%very high
October Weather8°C (46°F)79 mm (3.1 inches)77%moderate
November Weather3°C (38°F)82 mm (3.2 inches)86%moderate
December Weather0°C (32°F)86 mm (3.4 inches)89%low

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