January Weather in Onley, United States

Last updated: June 24, 2025

In January, the average temperature in Onley, United States hovers around 5°C (41°F), with a minimum of -11°C (12°F) and a peak at 17°C (62°F). Expect 85 mm (3.3 in) of precipitation over approximately 9 days, contributing to an average humidity of 84%. Whether you're bundling up or braving the elements, be prepared for a mix of chilly days and damp weather!

January Temperature in Onley

In January in Onley, the average temperature is 5°C (41°F), with maximums reaching 17°C (62°F) and minimums dropping as low as -11°C (12°F). It’s advisable to pack warm clothing and be prepared for variable weather conditions during your travels.

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

The chart illustrates January temperature patterns in Onley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onley, January typically has an average temperature of 5°C (41°F), with highs reaching up to 17°C (62°F) and lows dropping to around -11°C (12°F).

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

January Precipitation in Onley

In Onley in January, the precipitation amount is 85 mm (3.3 in) over the course of 9 days.

January Precipitation Trends in Onley

The chart displays monthly precipitation patterns in Onley, 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 Onley, January typically receives around 85 mm (3.3 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 Onley

In Onley in January humidity is 84%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through the cold, heavy air that clings to your skin.

January Average Humidity in Onley

This chart illustrates the average monthly humidity levels in Onley, 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 Onley is approximately 84%, 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 Onley

In Onley 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 Onley, you can check the information here.

Maximum UV Index Levels in Onley for January

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

Data source: Onley 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 Onley Compares to Other Months

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

This table compares monthly weather conditions in Onley, 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 (41°F)	85 mm (3.3 inches)	84%	moderate
February Weather	6°C (43°F)	111 mm (4.4 inches)	83%	moderate
March Weather	8°C (47°F)	93 mm (3.7 inches)	82%	high
April Weather	13°C (57°F)	91 mm (3.6 inches)	81%	very high
May Weather	18°C (65°F)	89 mm (3.5 inches)	80%	very high
June Weather	24°C (75°F)	72 mm (2.8 inches)	82%	very high
July Weather	27°C (80°F)	110 mm (4.3 inches)	81%	extreme
August Weather	26°C (79°F)	117 mm (4.6 inches)	81%	very high
September Weather	23°C (74°F)	94 mm (3.7 inches)	78%	very high
October Weather	19°C (66°F)	112 mm (4.4 inches)	80%	high
November Weather	11°C (53°F)	90 mm (3.5 inches)	84%	moderate
December Weather	7°C (46°F)	100 mm (3.9 inches)	84%	moderate