January Weather in Garrison, United States

Last updated: June 24, 2025

In January, the average temperature in Garrison, United States hovers around 10°C (50°F), with extremes ranging from a chilly -11°C (12°F) to a warm 27°C (81°F). Expect 102 mm (4.0 in) of precipitation spread over 9 days, making the atmosphere feel quite humid, with an average humidity of 81%.

January Temperature in Garrison

In January in Garrison, the average temperature is 10°C (50°F), with maximums reaching 27°C (81°F) and minimums dropping as low as -11°C (12°F). Be prepared for a wide range of temperatures when traveling during this time.

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

The chart illustrates January temperature patterns in Garrison, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Garrison, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (81°F) and lows dropping to around -11°C (12°F).

Data source: Temperature data for Garrison generated using information from the Copernicus Climate Change Service.

January Precipitation in Garrison

In Garrison in January, the total precipitation amount is 102 mm (4.0 in) over a span of 9 days.

January Precipitation Trends in Garrison

The chart displays monthly precipitation patterns in Garrison, 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 Garrison, January typically receives around 102 mm (4.0 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

January Humidity in Garrison

In Garrison in January humidity is 81%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that can make outdoor activities uncomfortable and might leave travelers feeling heavy and lethargic as the moisture clings to their skin.

January Average Humidity in Garrison

This chart illustrates the average monthly humidity levels in Garrison, 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 Garrison is approximately 81%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Garrison

In Garrison in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Garrison.

Maximum UV Index Levels in Garrison for January

The chart shows the monthly maximum UV Index (UVI) for Garrison 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 Garrison typically reaches 5, which falls under the moderate exposure category.

Data source: Garrison 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 Garrison Compares to Other Months

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

This table compares monthly weather conditions in Garrison, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	102 mm (4.0 inches)	81%	moderate
February Weather	11°C (53°F)	149 mm (5.9 inches)	81%	high
March Weather	17°C (62°F)	129 mm (5.1 inches)	79%	very high
April Weather	19°C (66°F)	157 mm (6.2 inches)	80%	very high
May Weather	24°C (75°F)	145 mm (5.7 inches)	81%	extreme
June Weather	27°C (81°F)	130 mm (5.1 inches)	76%	extreme
July Weather	28°C (83°F)	90 mm (3.5 inches)	73%	extreme
August Weather	29°C (84°F)	116 mm (4.6 inches)	71%	extreme
September Weather	26°C (79°F)	117 mm (4.6 inches)	72%	very high
October Weather	20°C (69°F)	109 mm (4.3 inches)	73%	very high
November Weather	14°C (58°F)	79 mm (3.1 inches)	83%	high
December Weather	12°C (54°F)	125 mm (4.9 inches)	88%	moderate