January Weather in Marthasville, United States

Last updated: June 24, 2025

In January, the average temperature in Marthasville, United States hovers around 0°C (32°F), but it can dip as low as -21°C (-6°F) or soar to a maximum of 20°C (67°F). Keep your umbrella handy, as the region experiences about 71 mm (2.8 in) of precipitation over 7 days, accompanied by a high average humidity of 82%.

January Temperature in Marthasville

In January in Marthasville, the average temperature is 0°C (32°F). Maximums can reach 20°C (67°F), and minimums can be as low as -21°C (-6°F). Be prepared for a wide range of temperatures and pack accordingly for your travels.

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

The chart illustrates January temperature patterns in Marthasville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marthasville, January typically has an average temperature of 0°C (32°F), with highs reaching up to 20°C (67°F) and lows dropping to around -21°C (-6°F).

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

January Precipitation in Marthasville

In Marthasville in January, the precipitation amount is 71 mm (2.8 in) over a span of 7 days.

January Precipitation Trends in Marthasville

The chart displays monthly precipitation patterns in Marthasville, 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 Marthasville, January typically receives around 71 mm (2.8 inches) of precipitation spread over approximately 7 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 Marthasville

In Marthasville in January, humidity is 82%. With an average temperature of 0°C (32°F), this humidity feels like an icy breath enveloping you, making each step outdoors a challenge as the cold dampness seeps into your clothes, chilling you to the bone and sapping your energy while traveling.

January Average Humidity in Marthasville

This chart illustrates the average monthly humidity levels in Marthasville, 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 Marthasville is approximately 82%, 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 Marthasville

In Marthasville 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 Marthasville, you can check the information here.

Maximum UV Index Levels in Marthasville for January

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

Data source: Marthasville 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 Marthasville Compares to Other Months

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

This table compares monthly weather conditions in Marthasville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	0°C (32°F)	71 mm (2.8 inches)	82%	moderate
February Weather	2°C (35°F)	77 mm (3.0 inches)	80%	moderate
March Weather	8°C (47°F)	127 mm (5.0 inches)	80%	high
April Weather	13°C (55°F)	122 mm (4.8 inches)	80%	very high
May Weather	19°C (67°F)	155 mm (6.1 inches)	82%	very high
June Weather	24°C (76°F)	89 mm (3.5 inches)	83%	extreme
July Weather	26°C (80°F)	101 mm (4.0 inches)	81%	extreme
August Weather	24°C (76°F)	145 mm (5.7 inches)	80%	very high
September Weather	22°C (72°F)	57 mm (2.3 inches)	76%	very high
October Weather	15°C (59°F)	106 mm (4.2 inches)	76%	high
November Weather	7°C (44°F)	67 mm (2.6 inches)	85%	moderate
December Weather	4°C (39°F)	50 mm (2.0 inches)	86%	moderate