January Weather in Genoa, United States

Last updated: June 24, 2025

In January, the average temperature in Genoa, United States hovers around -4°C (25°F), with extremes ranging from a brisk -25°C (-13°F) to a milder 14°C (58°F). Expect light precipitation totaling 27 mm (1.1 in) spread over approximately 4 days, and enjoy average humidity levels at a cozy 73%.

January Temperature in Genoa

In January in Genoa, the average temperature is -4°C (25°F). Maximum temperatures can reach 14°C (58°F), while the minimum can drop as low as -25°C (-13°F). Travelers should be prepared for a wide range of temperatures and dress in layers for comfort.

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

The chart illustrates January temperature patterns in Genoa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Genoa, January typically has an average temperature of -4°C (25°F), with highs reaching up to 14°C (58°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Genoa

In Genoa in January, the total precipitation amount is 27 mm (1.1 in) over a span of 4 days.

January Precipitation Trends in Genoa

The chart displays monthly precipitation patterns in Genoa, 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 Genoa, January typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 4 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 Genoa

In Genoa in January, humidity is 73%. With an average temperature of -4°C (25°F), this humidity feels like a biting chill that seeps through layers of clothing, making outdoor activities brisk and invigorating, yet a bit challenging for comfortable traveling.

January Average Humidity in Genoa

This chart illustrates the average monthly humidity levels in Genoa, 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 Genoa is approximately 73%, 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 Genoa

In Genoa 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 Genoa, you can check the information here.

Maximum UV Index Levels in Genoa for January

The chart shows the monthly maximum UV Index (UVI) for Genoa 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 Genoa typically reaches 3, which falls under the moderate exposure category.

Data source: Genoa 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 Genoa Compares to Other Months

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

This table compares monthly weather conditions in Genoa, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-4°C (25°F)	27 mm (1.1 inches)	73%	moderate
February Weather	-4°C (25°F)	21 mm (0.8 inches)	81%	moderate
March Weather	4°C (40°F)	88 mm (3.5 inches)	69%	high
April Weather	9°C (49°F)	54 mm (2.1 inches)	71%	very high
May Weather	16°C (61°F)	143 mm (5.6 inches)	80%	very high
June Weather	24°C (75°F)	100 mm (3.9 inches)	83%	extreme
July Weather	25°C (78°F)	67 mm (2.6 inches)	84%	very high
August Weather	23°C (74°F)	94 mm (3.7 inches)	84%	very high
September Weather	20°C (69°F)	53 mm (2.1 inches)	77%	very high
October Weather	11°C (51°F)	83 mm (3.3 inches)	72%	high
November Weather	4°C (40°F)	24 mm (0.9 inches)	80%	moderate
December Weather	-1°C (30°F)	41 mm (1.6 inches)	79%	low