January Weather in Porter, United States

Last updated: June 24, 2025

The average temperature in Porter, United States during January is a crisp 5°C (40°F), with temperatures dipping as low as -15°C (6°F) and peaking at a warm 24°C (76°F). Expect some rain, with an average precipitation of 84 mm (3.3 in) over about 7 days. Humidity levels are also notable, sitting at an average of 79%.

January Temperature in Porter

In January in Porter, the average temperature is 5°C (40°F). Maximum temperatures can reach 24°C (76°F), while minimums can drop as low as -15°C (6°F). Be prepared for a wide range of temperatures when traveling during this month.

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

The chart illustrates January temperature patterns in Porter, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Porter, January typically has an average temperature of 5°C (40°F), with highs reaching up to 24°C (76°F) and lows dropping to around -15°C (6°F).

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

January Precipitation in Porter

In Porter in January, the total precipitation amount is 84 mm (3.3 in) distributed over a span of 7 days.

January Precipitation Trends in Porter

The chart displays monthly precipitation patterns in Porter, 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 Porter, January typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 7 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 Porter

In Porter in January humidity is 79%. With an average temperature of 5°C (40°F), this humidity feels like an invigorating chill that cuts through your layers, making outdoor activities refreshing yet brisk, but tricky for prolonged exposure.

January Average Humidity in Porter

This chart illustrates the average monthly humidity levels in Porter, 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 Porter is approximately 79%, 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 Porter

In Porter 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 Porter for better planning.

Maximum UV Index Levels in Porter for January

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

Data source: Porter 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 Porter Compares to Other Months

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

This table compares monthly weather conditions in Porter, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (40°F)	84 mm (3.3 inches)	79%	moderate
February Weather	6°C (43°F)	87 mm (3.4 inches)	78%	high
March Weather	12°C (55°F)	116 mm (4.6 inches)	75%	high
April Weather	16°C (60°F)	158 mm (6.2 inches)	75%	very high
May Weather	21°C (71°F)	205 mm (8.1 inches)	83%	very high
June Weather	26°C (80°F)	86 mm (3.4 inches)	81%	extreme
July Weather	28°C (83°F)	88 mm (3.5 inches)	78%	extreme
August Weather	27°C (81°F)	108 mm (4.3 inches)	68%	very high
September Weather	25°C (77°F)	88 mm (3.4 inches)	64%	very high
October Weather	17°C (63°F)	137 mm (5.4 inches)	71%	high
November Weather	11°C (51°F)	59 mm (2.3 inches)	82%	moderate
December Weather	8°C (46°F)	68 mm (2.7 inches)	87%	moderate