January Weather in Siren, United States

Last updated: June 24, 2025

In January, the average temperature in Siren, United States hovers around -10°C (15°F), with extremes ranging from a chilly -34°C (-28°F) to a relatively mild 7°C (45°F). The region experiences 22 mm (0.9 in) of precipitation over approximately 6 days, accompanied by a high average humidity of 87%. Be prepared for a brisk atmosphere that defines the heart of winter!

January Temperature in Siren

In January in Siren, the average temperature is -10°C (15°F). Maximum temperatures can reach 7°C (45°F), while minimums can plummet to as low as -34°C (-28°F). Travelers should prepare for extremely cold conditions and pack accordingly when visiting during this time.

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

The chart illustrates January temperature patterns in Siren, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Siren, January typically has an average temperature of -10°C (15°F), with highs reaching up to 7°C (45°F) and lows dropping to around -34°C (-28°F).

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

January Precipitation in Siren

In Siren in January, the precipitation amount is 22 mm (0.9 in) over a span of 6 days.

January Precipitation Trends in Siren

The chart displays monthly precipitation patterns in Siren, 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 Siren, January typically receives around 22 mm (0.9 inches) of precipitation spread over approximately 6 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 Siren

In Siren in January, humidity is 87%. With an average temperature of -10°C (15°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and the air feel heavy with frost.

January Average Humidity in Siren

This chart illustrates the average monthly humidity levels in Siren, 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 Siren 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 Siren

In Siren 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 Siren, you can visit Hourly UV Index in Siren.

Maximum UV Index Levels in Siren for January

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

Data source: Siren 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 Siren Compares to Other Months

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

This table compares monthly weather conditions in Siren, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-10°C (15°F)	22 mm (0.9 inches)	87%	low
February Weather	-9°C (16°F)	32 mm (1.3 inches)	90%	moderate
March Weather	0°C (32°F)	48 mm (1.9 inches)	85%	moderate
April Weather	5°C (42°F)	91 mm (3.6 inches)	84%	high
May Weather	14°C (58°F)	107 mm (4.2 inches)	78%	very high
June Weather	21°C (69°F)	90 mm (3.6 inches)	80%	very high
July Weather	22°C (73°F)	100 mm (3.9 inches)	81%	very high
August Weather	21°C (69°F)	126 mm (5.0 inches)	81%	very high
September Weather	17°C (63°F)	97 mm (3.8 inches)	81%	high
October Weather	8°C (47°F)	99 mm (3.9 inches)	84%	moderate
November Weather	0°C (32°F)	40 mm (1.6 inches)	88%	moderate
December Weather	-6°C (22°F)	56 mm (2.2 inches)	84%	low