January Weather in Waterville, United States

Last updated: June 24, 2025

In January, the average temperature in Waterville, United States chills at a brisk -9°C (17°F), with extremes that can plummet to a frosty -34°C (-30°F) and occasionally reach a mild 8°C (46°F). Expect about 35 mm (1.4 in) of precipitation spread over 5 days, coupled with high humidity levels averaging around 87%. Get ready for a wintery experience!

January Temperature in Waterville

In January in Waterville, the average temperature is -9°C (17°F), with maximums reaching up to 8°C (46°F) and minimums dropping as low as -34°C (-30°F). Travelers should be well-prepared for extreme cold conditions during this time.

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

The chart illustrates January temperature patterns in Waterville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Waterville, January typically has an average temperature of -9°C (17°F), with highs reaching up to 8°C (46°F) and lows dropping to around -34°C (-30°F).

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

January Precipitation in Waterville

In Waterville in January, the precipitation amount is 35 mm (1.4 in) over a span of 5 days.

January Precipitation Trends in Waterville

The chart displays monthly precipitation patterns in Waterville, 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 Waterville, January typically receives around 35 mm (1.4 inches) of precipitation spread over approximately 5 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 Waterville

In Waterville in January humidity is 87%. With an average temperature of -9°C (17°F), this humidity feels like an icy blanket wrapping around you, making travel particularly challenging as the cold air combines with the moisture to create a biting chill that seeps into your bones.

January Average Humidity in Waterville

This chart illustrates the average monthly humidity levels in Waterville, 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 Waterville is approximately 87%, 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 Waterville

In Waterville 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 Waterville, you can check the information here.

Maximum UV Index Levels in Waterville for January

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

Data source: Waterville 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 Waterville Compares to Other Months

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

This table compares monthly weather conditions in Waterville, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-9°C (17°F)	35 mm (1.4 inches)	87%	moderate
February Weather	-9°C (17°F)	39 mm (1.5 inches)	90%	moderate
March Weather	1°C (33°F)	65 mm (2.6 inches)	85%	moderate
April Weather	6°C (44°F)	89 mm (3.5 inches)	84%	very high
May Weather	15°C (59°F)	136 mm (5.3 inches)	78%	very high
June Weather	22°C (72°F)	114 mm (4.5 inches)	80%	very high
July Weather	23°C (74°F)	112 mm (4.4 inches)	81%	very high
August Weather	21°C (71°F)	136 mm (5.3 inches)	81%	very high
September Weather	18°C (65°F)	139 mm (5.5 inches)	81%	very high
October Weather	9°C (49°F)	91 mm (3.6 inches)	84%	moderate
November Weather	1°C (34°F)	37 mm (1.5 inches)	88%	moderate
December Weather	-4°C (25°F)	46 mm (1.8 inches)	84%	low