January Weather in Saint Joseph, United States

Last updated: June 24, 2025

In January, the average temperature in Saint Joseph, United States hovers around 6°C (43°F). Expect a wide temperature range, with minimums as low as -14°C (7°F) and maximums reaching up to 24°C (75°F). You'll also experience 127 mm (5.0 in) of precipitation spread across 9 days, contributing to an average humidity of 86%.

January Temperature in Saint Joseph

In January in Saint Joseph, the average temperature is 6°C (43°F), with maximums reaching 24°C (75°F) and minimums dropping as low as -14°C (7°F). Travelers should be prepared for a wide range of temperatures, ensuring they pack accordingly for both warm and cold conditions.

January Weather in Saint Joseph: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint Joseph, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Joseph, January typically has an average temperature of 6°C (43°F), with highs reaching up to 24°C (75°F) and lows dropping to around -14°C (7°F).

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

January Precipitation in Saint Joseph

In Saint Joseph in January, the precipitation amount is 127 mm (5.0 in) over a span of 9 days.

January Precipitation Trends in Saint Joseph

The chart displays monthly precipitation patterns in Saint Joseph, 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 Saint Joseph, January typically receives around 127 mm (5.0 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 Saint Joseph

In Saint Joseph in January humidity is 86%. With an average temperature of 6°C (43°F), this humidity feels like a chilling blanket enveloping you, making outdoor exploration feel damp and uncomfortable.

January Average Humidity in Saint Joseph

This chart illustrates the average monthly humidity levels in Saint Joseph, 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 Saint Joseph is approximately 86%, 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 Saint Joseph

In Saint Joseph in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Saint Joseph for better planning.

Maximum UV Index Levels in Saint Joseph for January

The chart shows the monthly maximum UV Index (UVI) for Saint Joseph 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 Saint Joseph typically reaches 4, which falls under the moderate exposure category.

Data source: Saint Joseph 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 Saint Joseph Compares to Other Months

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

This table compares monthly weather conditions in Saint Joseph, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (43°F)	127 mm (5.0 inches)	86%	moderate
February Weather	9°C (48°F)	193 mm (7.6 inches)	85%	high
March Weather	13°C (55°F)	189 mm (7.4 inches)	84%	very high
April Weather	16°C (61°F)	163 mm (6.4 inches)	81%	very high
May Weather	21°C (71°F)	117 mm (4.6 inches)	83%	extreme
June Weather	25°C (77°F)	118 mm (4.6 inches)	83%	extreme
July Weather	27°C (80°F)	117 mm (4.6 inches)	80%	extreme
August Weather	26°C (79°F)	110 mm (4.3 inches)	73%	very high
September Weather	24°C (75°F)	104 mm (4.1 inches)	70%	very high
October Weather	18°C (65°F)	109 mm (4.3 inches)	73%	high
November Weather	10°C (50°F)	76 mm (3.0 inches)	85%	moderate
December Weather	8°C (47°F)	158 mm (6.2 inches)	88%	moderate