January Weather in Saint Jo, United States

Last updated: June 24, 2025

In January, the average temperature in Saint Jo, United States hovers around 7°C (44°F). Prepare for a broad range, as temperatures can dip as low as -14°C (6°F) and soar up to 26°C (79°F). Expect 47 mm (1.9 in) of precipitation spread across 6 days, contributing to a generally high average humidity of 77%. Stay comfortable and ready for any weather!

January Temperature in Saint Jo

In January in Saint Jo, the average temperature is 7°C (44°F). Maximum temperatures can reach 26°C (79°F), while the minimum can drop as low as -14°C (6°F). Be prepared for a wide range of temperatures when traveling during this month in Saint Jo.

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

The chart illustrates January temperature patterns in Saint Jo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Jo, January typically has an average temperature of 7°C (44°F), with highs reaching up to 26°C (79°F) and lows dropping to around -14°C (6°F).

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

January Precipitation in Saint Jo

In Saint Jo in January, the precipitation amount is 47 mm (1.9 in) over the course of 6 days.

January Precipitation Trends in Saint Jo

The chart displays monthly precipitation patterns in Saint Jo, 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 Jo, January typically receives around 47 mm (1.9 inches) of precipitation spread over approximately 6 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 Jo

In Saint Jo in January, humidity is 77%. With an average temperature of 7°C (44°F), this humidity feels like a chilly mist that wraps around you, making outdoor activities somewhat uncomfortable and best suited for those who enjoy brisk, invigorating walks rather than strenuous sightseeing.

January Average Humidity in Saint Jo

This chart illustrates the average monthly humidity levels in Saint Jo, 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 Jo is approximately 77%, 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 Jo

In Saint Jo 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 Jo for better planning.

Maximum UV Index Levels in Saint Jo for January

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

Data source: Saint Jo 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 Jo Compares to Other Months

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

This table compares monthly weather conditions in Saint Jo, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (44°F)	47 mm (1.9 inches)	77%	moderate
February Weather	8°C (46°F)	72 mm (2.8 inches)	76%	high
March Weather	14°C (58°F)	87 mm (3.4 inches)	74%	very high
April Weather	17°C (64°F)	87 mm (3.4 inches)	75%	very high
May Weather	23°C (73°F)	119 mm (4.7 inches)	80%	extreme
June Weather	27°C (81°F)	79 mm (3.1 inches)	80%	extreme
July Weather	29°C (85°F)	36 mm (1.4 inches)	75%	extreme
August Weather	29°C (84°F)	77 mm (3.0 inches)	67%	extreme
September Weather	25°C (78°F)	90 mm (3.6 inches)	64%	very high
October Weather	19°C (66°F)	114 mm (4.5 inches)	70%	very high
November Weather	12°C (54°F)	44 mm (1.7 inches)	82%	high
December Weather	9°C (49°F)	51 mm (2.0 inches)	85%	moderate