January Weather in South Thomaston, United States

Last updated: June 24, 2025

In South Thomaston, United States, the average temperature for January hovers around -2°C (28°F). Be prepared for chilly conditions, with lows dipping to -20°C (-4°F) and highs reaching up to 13°C (56°F). Expect about 94 mm (3.7 in) of precipitation spread over 8 days, contributing to an average humidity of 85%.

January Temperature in South Thomaston

In January in South Thomaston, the average temperature is -2°C (28°F), with maximums reaching 13°C (56°F) and minimums dropping as low as -20°C (-4°F). Visitors should be prepared for a wide range of temperatures when traveling to South Thomaston during this month.

January Weather in South Thomaston: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in South Thomaston, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In South Thomaston, January typically has an average temperature of -2°C (28°F), with highs reaching up to 13°C (56°F) and lows dropping to around -20°C (-4°F).

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

January Precipitation in South Thomaston

In South Thomaston in January, the precipitation amount is 94 mm (3.7 in) over the course of 8 days.

January Precipitation Trends in South Thomaston

The chart displays monthly precipitation patterns in South Thomaston, 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 South Thomaston, January typically receives around 94 mm (3.7 inches) of precipitation spread over approximately 8 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 South Thomaston

In South Thomaston in January, humidity is 85%. With an average temperature of -2°C (28°F), this humidity feels like an icy grip that clings uncomfortably to your skin, making every step feel heavier and hastening the chill that seeps into your bones, discouraging long outdoor excursions and leaving you yearning for warmth and shelter.

January Average Humidity in South Thomaston

This chart illustrates the average monthly humidity levels in South Thomaston, 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 South Thomaston is approximately 85%, 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 South Thomaston

In South Thomaston in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in South Thomaston, you can visit Hourly UV Index in South Thomaston.

Maximum UV Index Levels in South Thomaston for January

The chart shows the monthly maximum UV Index (UVI) for South Thomaston 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 South Thomaston typically reaches 2, which falls under the low exposure category.

Data source: South Thomaston 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 South Thomaston Compares to Other Months

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

This table compares monthly weather conditions in South Thomaston, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-2°C (28°F)	94 mm (3.7 inches)	85%	low
February Weather	-2°C (29°F)	96 mm (3.8 inches)	86%	moderate
March Weather	1°C (34°F)	78 mm (3.1 inches)	84%	moderate
April Weather	6°C (44°F)	133 mm (5.2 inches)	79%	high
May Weather	11°C (53°F)	83 mm (3.3 inches)	79%	very high
June Weather	17°C (62°F)	72 mm (2.8 inches)	86%	very high
July Weather	20°C (68°F)	101 mm (4.0 inches)	85%	very high
August Weather	20°C (68°F)	80 mm (3.1 inches)	83%	very high
September Weather	17°C (62°F)	85 mm (3.3 inches)	80%	high
October Weather	12°C (53°F)	133 mm (5.2 inches)	77%	moderate
November Weather	5°C (41°F)	116 mm (4.6 inches)	80%	moderate
December Weather	0°C (32°F)	127 mm (5.0 inches)	81%	low