January Weather in Garrison, United States

Last updated: June 24, 2025

In Garrison, United States, the average temperature in January hovers around 2°C (35°F). Expect a chilly range with minimums dipping to -18°C (0°F) and a possible peak of 22°C (71°F). Prepare for 91 mm (3.6 in) of precipitation spread over 10 days, contributing to a high average humidity of 88%.

January Temperature in Garrison

In January in Garrison, the average temperature is 2°C (35°F). Maximums can reach 22°C (71°F), while minimums can drop as low as -18°C (0°F). It's essential to pack layers to stay comfortable during your travels, as temperatures can vary significantly throughout the day.

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 2°C (35°F), with highs reaching up to 22°C (71°F) and lows dropping to around -18°C (0°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 precipitation amount totals 91 mm (3.6 in) over a span of 10 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 91 mm (3.6 inches) of precipitation spread over approximately 10 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Garrison

In Garrison in January, humidity is 88%. With an average temperature of 2°C (35°F), this humidity feels like you're wrapped in a cold, damp blanket, making outdoor activities uncomfortable and travel challenging due to the chill seeping into your bones.

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 88%, 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 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 Garrison, you can check the information here.

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 3, 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	2°C (35°F)	91 mm (3.6 inches)	88%	moderate
February Weather	4°C (40°F)	130 mm (5.1 inches)	88%	moderate
March Weather	8°C (47°F)	113 mm (4.4 inches)	87%	high
April Weather	13°C (55°F)	133 mm (5.3 inches)	85%	very high
May Weather	19°C (66°F)	133 mm (5.2 inches)	81%	very high
June Weather	22°C (73°F)	175 mm (6.9 inches)	82%	very high
July Weather	25°C (77°F)	119 mm (4.7 inches)	81%	very high
August Weather	24°C (75°F)	122 mm (4.8 inches)	73%	very high
September Weather	21°C (70°F)	114 mm (4.5 inches)	73%	very high
October Weather	15°C (60°F)	118 mm (4.6 inches)	78%	high
November Weather	7°C (45°F)	80 mm (3.1 inches)	89%	moderate
December Weather	4°C (40°F)	118 mm (4.7 inches)	87%	moderate