January Weather in Seymour, United States

Last updated: June 24, 2025

In January, the average temperature in Seymour, United States hovers around 7°C (44°F). Expect a range that can dip as low as -14°C (6°F) and soar up to 28°C (83°F). With an average humidity of 77%, this month sees around 34 mm (1.3 in) of precipitation spread over about 4 days. Stay prepared for the unpredictable!

January Temperature in Seymour

In January in Seymour, the average temperature is around 7°C (44°F). Maximums can reach up to 28°C (83°F), while minimums can drop as low as -14°C (6°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cold conditions.

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

The chart illustrates January temperature patterns in Seymour, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Seymour, January typically has an average temperature of 7°C (44°F), with highs reaching up to 28°C (83°F) and lows dropping to around -14°C (6°F).

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

January Precipitation in Seymour

In Seymour in January, the precipitation amount is 34 mm (1.3 in) over a span of 4 days.

January Precipitation Trends in Seymour

The chart displays monthly precipitation patterns in Seymour, 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 Seymour, January typically receives around 34 mm (1.3 inches) of precipitation spread over approximately 4 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 Seymour

In Seymour in January, humidity is 77%. With an average temperature of 7°C (44°F), this humidity feels like a chilly mist that wraps around you, making outdoor activities somewhat uncomfortable and best suited for those who enjoy brisk, invigorating walks rather than strenuous sightseeing.

January Average Humidity in Seymour

This chart illustrates the average monthly humidity levels in Seymour, 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 Seymour is approximately 77%, 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 Seymour

In Seymour in January, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Seymour for better planning.

Maximum UV Index Levels in Seymour for January

The chart shows the monthly maximum UV Index (UVI) for Seymour 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 Seymour typically reaches 4, which falls under the moderate exposure category.

Data source: Seymour 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 Seymour Compares to Other Months

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

This table compares monthly weather conditions in Seymour, 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 (44°F)	34 mm (1.3 inches)	77%	moderate
February Weather	8°C (46°F)	32 mm (1.3 inches)	76%	high
March Weather	15°C (59°F)	68 mm (2.7 inches)	74%	very high
April Weather	18°C (65°F)	72 mm (2.8 inches)	75%	very high
May Weather	24°C (75°F)	118 mm (4.7 inches)	80%	extreme
June Weather	28°C (83°F)	49 mm (1.9 inches)	80%	extreme
July Weather	30°C (87°F)	18 mm (0.7 inches)	75%	extreme
August Weather	29°C (85°F)	50 mm (2.0 inches)	67%	extreme
September Weather	25°C (78°F)	105 mm (4.1 inches)	64%	very high
October Weather	19°C (66°F)	74 mm (2.9 inches)	70%	very high
November Weather	12°C (55°F)	30 mm (1.2 inches)	82%	high
December Weather	9°C (49°F)	33 mm (1.3 inches)	85%	moderate