January Weather in Saint Helen, United States

Last updated: June 24, 2025

In January, the average temperature in Saint Helen, United States hovers around -6°C (22°F). Expect chilly nights with minimums plunging to -25°C (-13°F), while daytime highs can reach up to 13°C (55°F). Precipitation is common, with an average of 51 mm (2.0 in) spread over 8 days, contributing to a notably high average humidity of 92%.

January Temperature in Saint Helen

In January in Saint Helen, the average temperature is -6°C (22°F), with maximums reaching up to 13°C (55°F) and minimums dropping as low as -25°C (-13°F). Travelers should prepare for a wide range of temperatures, ensuring they pack appropriately for both chilly and moderate weather conditions.

January Weather in Saint Helen: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Saint Helen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Saint Helen, January typically has an average temperature of -6°C (22°F), with highs reaching up to 13°C (55°F) and lows dropping to around -25°C (-13°F).

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

January Precipitation in Saint Helen

In Saint Helen in January, the total precipitation amount is 51 mm (2.0 in), spread over a duration of 8 days.

January Precipitation Trends in Saint Helen

The chart displays monthly precipitation patterns in Saint Helen, 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 Saint Helen, January typically receives around 51 mm (2.0 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 Saint Helen

In Saint Helen in January, humidity is 92%. With an average temperature of -6°C (22°F), this humidity feels like a chilly fog enveloping you, making each breath feel heavy and damp, which can be quite uncomfortable for traveling.

January Average Humidity in Saint Helen

This chart illustrates the average monthly humidity levels in Saint Helen, 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 Saint Helen is approximately 92%, 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 Saint Helen

In Saint Helen 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 Saint Helen, you can visit Hourly UV Index in Saint Helen.

Maximum UV Index Levels in Saint Helen for January

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

Data source: Saint Helen 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 Saint Helen Compares to Other Months

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

This table compares monthly weather conditions in Saint Helen, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (22°F)	51 mm (2.0 inches)	92%	low
February Weather	-6°C (22°F)	51 mm (2.0 inches)	91%	moderate
March Weather	0°C (32°F)	54 mm (2.1 inches)	87%	moderate
April Weather	6°C (43°F)	94 mm (3.7 inches)	85%	very high
May Weather	13°C (56°F)	111 mm (4.4 inches)	79%	very high
June Weather	19°C (66°F)	114 mm (4.5 inches)	75%	very high
July Weather	22°C (72°F)	91 mm (3.6 inches)	75%	very high
August Weather	20°C (69°F)	89 mm (3.5 inches)	75%	very high
September Weather	16°C (61°F)	76 mm (3.0 inches)	79%	high
October Weather	10°C (49°F)	124 mm (4.9 inches)	85%	moderate
November Weather	2°C (35°F)	58 mm (2.3 inches)	88%	moderate
December Weather	-2°C (28°F)	62 mm (2.4 inches)	89%	low