January Weather in Fort Greely, United States

Last updated: June 24, 2025

In January, the average temperature in Fort Greely, United States is a brisk -18°C (0°F). Prepare for extreme conditions as the minimum temperature can plummet to -40°C (-39°F), while the maximum may reach up to 4°C (39°F). Expect 14 mm (0.6 in) of precipitation spread over 4 days and brace yourself for a high average humidity of 95%.

January Temperature in Fort Greely

In January in Fort Greely, the average temperature is -18°C (0°F). Maximum temperatures can reach 4°C (39°F), while minimums can drop as low as -40°C (-39°F). It's essential to pack accordingly for your travels, as you will need to prepare for extreme cold conditions.

January Weather in Fort Greely: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Fort Greely, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Fort Greely, January typically has an average temperature of -18°C (0°F), with highs reaching up to 4°C (39°F) and lows dropping to around -40°C (-39°F).
JanFebMarAprMayJunJulAugSepOctNovDec-03143350596256463096
Data source: Temperature data for Fort Greely 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 Fort Greely

In Fort Greely in January, the total precipitation amount is 14 mm (0.6 in) spread over a duration of 4 days.

January Precipitation Trends in Fort Greely

The chart displays monthly precipitation patterns in Fort Greely, 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 Fort Greely, January typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 4 days.
JanFebMarAprMayJunJulAugSepOctNovDec1421242343787411956483334
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Fort Greely

In Fort Greely in January, humidity is 95%. With an average temperature of -18°C (0°F), this humidity feels like an icy fog clinging to your skin, making traveling extremely challenging as you battle the biting cold and dampness that seeps through your layers, leaving you feeling chilled to the bone.

January Average Humidity in Fort Greely

This chart illustrates the average monthly humidity levels in Fort Greely, 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 Fort Greely is approximately 95%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec95%93%93%91%87%86%93%94%94%97%99%96%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Fort Greely

In Fort Greely in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Fort Greely.

Maximum UV Index Levels in Fort Greely for January

The chart shows the monthly maximum UV Index (UVI) for Fort Greely 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 Fort Greely typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec112455653211
Data source: Fort Greely 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 Fort Greely Compares to Other Months

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

This table compares monthly weather conditions in Fort Greely, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-18°C (0°F)14 mm (0.6 inches)95%low
February Weather-16°C (4°F)21 mm (0.8 inches)93%low
March Weather-10°C (14°F)24 mm (0.9 inches)93%low
April Weather0°C (33°F)23 mm (0.9 inches)91%moderate
May Weather10°C (50°F)42 mm (1.7 inches)87%moderate
June Weather15°C (60°F)78 mm (3.1 inches)86%moderate
July Weather17°C (63°F)74 mm (2.9 inches)93%high
August Weather13°C (56°F)119 mm (4.7 inches)94%moderate
September Weather8°C (46°F)56 mm (2.2 inches)94%moderate
October Weather-1°C (30°F)48 mm (1.9 inches)97%low
November Weather-13°C (9°F)33 mm (1.3 inches)99%low
December Weather-14°C (7°F)34 mm (1.3 inches)96%low

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