January Weather in Winthrop, United States

Last updated: June 24, 2025

In Winthrop, United States during January, the average temperature hovers around -7°C (20°F). However, temperatures can dip as low as -33°C (-27°F), while reaching a maximum of 11°C (53°F). Expect an average precipitation of 44 mm (1.7 in) spread across 7 days, accompanied by a high humidity level of 84%.

January Temperature in Winthrop

In January in Winthrop, the average temperature is -7°C (20°F), with a maximum that can reach 11°C (53°F) and a minimum that can drop as low as -33°C (-27°F). Be prepared for extreme temperature fluctuations if you plan to travel during this month.

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

The chart illustrates January temperature patterns in Winthrop, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Winthrop, January typically has an average temperature of -7°C (20°F), with highs reaching up to 11°C (53°F) and lows dropping to around -33°C (-27°F).

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

January Precipitation in Winthrop

In Winthrop in January, the precipitation amount is 44 mm (1.7 in) spread over a duration of 7 days.

January Precipitation Trends in Winthrop

The chart displays monthly precipitation patterns in Winthrop, 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 Winthrop, January typically receives around 44 mm (1.7 inches) of precipitation spread over approximately 7 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 Winthrop

In Winthrop in January, humidity is 84%. With an average temperature of -7°C (20°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and requiring extra layers to stay warm and dry.

January Average Humidity in Winthrop

This chart illustrates the average monthly humidity levels in Winthrop, 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 Winthrop is approximately 84%, 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 Winthrop

In Winthrop 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 Winthrop, you can check the information here.

Maximum UV Index Levels in Winthrop for January

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

Data source: Winthrop 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 Winthrop Compares to Other Months

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

This table compares monthly weather conditions in Winthrop, 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 (20°F)	44 mm (1.7 inches)	84%	moderate
February Weather	-6°C (21°F)	54 mm (2.1 inches)	85%	moderate
March Weather	2°C (37°F)	68 mm (2.7 inches)	84%	moderate
April Weather	8°C (47°F)	78 mm (3.1 inches)	83%	very high
May Weather	16°C (61°F)	173 mm (6.8 inches)	75%	very high
June Weather	22°C (72°F)	139 mm (5.5 inches)	79%	extreme
July Weather	24°C (75°F)	111 mm (4.4 inches)	75%	very high
August Weather	22°C (71°F)	94 mm (3.7 inches)	69%	very high
September Weather	19°C (66°F)	130 mm (5.1 inches)	74%	very high
October Weather	11°C (51°F)	144 mm (5.7 inches)	79%	moderate
November Weather	2°C (36°F)	47 mm (1.8 inches)	88%	moderate
December Weather	-2°C (29°F)	39 mm (1.6 inches)	82%	moderate