January Weather in Effingham, United States

Last updated: June 24, 2025

In January, the average temperature in Effingham, United States hovers around -5°C (23°F). Expect chilly days, with the minimum dropping to -27°C (-16°F) and a maximum reaching 14°C (58°F). You might also experience 81 mm (3.2 in) of precipitation over 9 days, coupled with an average humidity of 86%. Bundle up and prepare for the wintery vibes!

January Temperature in Effingham

In January in Effingham, the average temperature is -5°C (23°F), with maximums reaching up to 14°C (58°F) and minimums plummeting as low as -27°C (-16°F). Be prepared for a wide range of temperatures if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Effingham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Effingham, January typically has an average temperature of -5°C (23°F), with highs reaching up to 14°C (58°F) and lows dropping to around -27°C (-16°F).

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

January Precipitation in Effingham

In Effingham in January, the precipitation amount is 81 mm (3.2 in) spread over a duration of 9 days.

January Precipitation Trends in Effingham

The chart displays monthly precipitation patterns in Effingham, 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 Effingham, January typically receives around 81 mm (3.2 inches) of precipitation spread over approximately 9 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 Effingham

In Effingham in January humidity is 86%. With an average temperature of -5°C (23°F), this humidity feels like a biting chill that seeps into your bones, making outdoor adventures quite uncomfortable and necessitating extra layers to stay warm while exploring.

January Average Humidity in Effingham

This chart illustrates the average monthly humidity levels in Effingham, 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 Effingham is approximately 86%, 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 Effingham

In Effingham 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 Effingham, you can check the information here.

Maximum UV Index Levels in Effingham for January

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

Data source: Effingham 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 Effingham Compares to Other Months

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

This table compares monthly weather conditions in Effingham, 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 (23°F)	81 mm (3.2 inches)	86%	moderate
February Weather	-4°C (25°F)	90 mm (3.6 inches)	84%	moderate
March Weather	0°C (32°F)	78 mm (3.1 inches)	82%	moderate
April Weather	6°C (44°F)	131 mm (5.2 inches)	80%	very high
May Weather	13°C (56°F)	78 mm (3.1 inches)	72%	very high
June Weather	19°C (66°F)	95 mm (3.7 inches)	72%	very high
July Weather	22°C (71°F)	148 mm (5.8 inches)	67%	very high
August Weather	21°C (70°F)	86 mm (3.4 inches)	66%	very high
September Weather	17°C (63°F)	65 mm (2.6 inches)	71%	high
October Weather	11°C (51°F)	127 mm (5.0 inches)	78%	moderate
November Weather	3°C (37°F)	113 mm (4.4 inches)	84%	moderate
December Weather	-3°C (27°F)	120 mm (4.7 inches)	81%	low