January Weather in Marysville, United States

Last updated: June 24, 2025

In January, the average temperature in Marysville, United States hovers around -1°C (30°F). However, temperatures can swing dramatically, with minimums reaching as low as -25°C (-12°F) and maximums peaking at 18°C (64°F). Expect 28 mm (1.1 in) of precipitation spread over about 5 days, while humidity stays relatively high at 76%.

January Temperature in Marysville

In January in Marysville, the average temperature is -1°C (30°F). Maximums can reach 18°C (64°F), while minimums can drop as low as -25°C (-12°F). Be prepared for a wide range of temperatures when traveling here!

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

The chart illustrates January temperature patterns in Marysville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Marysville, January typically has an average temperature of -1°C (30°F), with highs reaching up to 18°C (64°F) and lows dropping to around -25°C (-12°F).

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

January Precipitation in Marysville

In Marysville in January, the precipitation amount is 28 mm (1.1 in) over a period of 5 days.

January Precipitation Trends in Marysville

The chart displays monthly precipitation patterns in Marysville, 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 Marysville, January typically receives around 28 mm (1.1 inches) of precipitation spread over approximately 5 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 Marysville

In Marysville in January, humidity is 76%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that penetrates your layers, making outdoor activities less enjoyable and prompting travelers to seek warmth and shelter more often than not.

January Average Humidity in Marysville

This chart illustrates the average monthly humidity levels in Marysville, 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 Marysville is approximately 76%, 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 Marysville

In Marysville 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 Marysville, you can check the information here.

Maximum UV Index Levels in Marysville for January

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

Data source: Marysville 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 Marysville Compares to Other Months

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

This table compares monthly weather conditions in Marysville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-1°C (30°F)	28 mm (1.1 inches)	76%	moderate
February Weather	-1°C (30°F)	28 mm (1.1 inches)	77%	moderate
March Weather	7°C (45°F)	87 mm (3.4 inches)	70%	high
April Weather	12°C (53°F)	69 mm (2.7 inches)	73%	very high
May Weather	18°C (65°F)	201 mm (7.9 inches)	82%	very high
June Weather	25°C (78°F)	102 mm (4.0 inches)	82%	extreme
July Weather	27°C (81°F)	91 mm (3.6 inches)	81%	extreme
August Weather	25°C (77°F)	98 mm (3.9 inches)	78%	very high
September Weather	22°C (72°F)	63 mm (2.5 inches)	71%	very high
October Weather	13°C (55°F)	123 mm (4.9 inches)	71%	high
November Weather	6°C (43°F)	33 mm (1.3 inches)	81%	moderate
December Weather	2°C (36°F)	26 mm (1.0 inches)	84%	moderate