January Weather in Allendale, United States

Last updated: June 24, 2025

In January, the average temperature in Allendale, United States sits at a comfortable 10°C (50°F). However, be prepared for varying weather, as temperatures can dip as low as -7°C (19°F) and soar to a pleasant 27°C (81°F). With an average precipitation amount of 81 mm (3.2 in) over 8 days, and humidity levels reaching 86%, it's a month where you might want to carry an umbrella and dress in layers!

January Temperature in Allendale

In January in Allendale, the average temperature is 10°C (50°F). Maximums can reach 27°C (81°F), while minimums can drop as low as -7°C (19°F). Be prepared for a wide range of temperatures, making layered clothing essential for your travels.

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

The chart illustrates January temperature patterns in Allendale, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Allendale, January typically has an average temperature of 10°C (50°F), with highs reaching up to 27°C (81°F) and lows dropping to around -7°C (19°F).

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

January Precipitation in Allendale

In Allendale in January, the precipitation amount is 81 mm (3.2 in) over the course of 8 days.

January Precipitation Trends in Allendale

The chart displays monthly precipitation patterns in Allendale, 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 Allendale, January typically receives around 81 mm (3.2 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 Allendale

In Allendale in January humidity is 86%. With an average temperature of 10°C (50°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities uncomfortable and sticky, which can dampen the spirit of travel.

January Average Humidity in Allendale

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

In Allendale 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 Allendale for better planning.

Maximum UV Index Levels in Allendale for January

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

Data source: Allendale 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 Allendale Compares to Other Months

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

This table compares monthly weather conditions in Allendale, 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 (50°F)	81 mm (3.2 inches)	86%	moderate
February Weather	13°C (56°F)	104 mm (4.1 inches)	81%	high
March Weather	16°C (60°F)	73 mm (2.9 inches)	81%	very high
April Weather	19°C (66°F)	119 mm (4.7 inches)	79%	very high
May Weather	24°C (75°F)	94 mm (3.7 inches)	75%	extreme
June Weather	26°C (79°F)	121 mm (4.8 inches)	75%	extreme
July Weather	28°C (82°F)	143 mm (5.6 inches)	80%	extreme
August Weather	27°C (81°F)	142 mm (5.6 inches)	81%	extreme
September Weather	26°C (78°F)	85 mm (3.3 inches)	83%	very high
October Weather	21°C (71°F)	72 mm (2.8 inches)	78%	very high
November Weather	14°C (57°F)	63 mm (2.5 inches)	85%	high
December Weather	11°C (53°F)	126 mm (5.0 inches)	87%	moderate