January Weather in Rookley, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Rookley, United Kingdom hovers around 6°C (44°F), with a minimum dipping to -1°C (30°F) and a maximum reaching 14°C (57°F). Expect 54 mm (2.1 in) of precipitation over 9 days, contributing to a notably high average humidity of 91%. Be prepared for some wet and chilly days!

January Temperature in Rookley

In January in Rookley, the average temperature is 6°C (44°F). The maximum can reach 14°C (57°F) and the minimum can be as low as -1°C (30°F). Be sure to pack layers to stay comfortable while exploring the diverse weather conditions.

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

The chart illustrates January temperature patterns in Rookley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Rookley, January typically has an average temperature of 6°C (44°F), with highs reaching up to 14°C (57°F) and lows dropping to around -1°C (30°F).

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

January Precipitation in Rookley

In Rookley in January, the precipitation amount is 54 mm (2.1 in) over a span of 9 days.

January Precipitation Trends in Rookley

The chart displays monthly precipitation patterns in Rookley, 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 Rookley, January typically receives around 54 mm (2.1 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 Rookley

In Rookley in January, humidity is 91%. With an average temperature of 6°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and necessitating extra layers to stay warm while you explore.

January Average Humidity in Rookley

This chart illustrates the average monthly humidity levels in Rookley, 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 Rookley is approximately 91%, 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 Rookley

In Rookley in January, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Rookley, you can visit Hourly UV Index in Rookley.

Maximum UV Index Levels in Rookley for January

The chart shows the monthly maximum UV Index (UVI) for Rookley 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 Rookley typically reaches 2, which falls under the low exposure category.

Data source: Rookley 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 Rookley Compares to Other Months

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

This table compares monthly weather conditions in Rookley, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	6°C (44°F)	54 mm (2.1 inches)	91%	low
February Weather	7°C (45°F)	60 mm (2.4 inches)	89%	low
March Weather	8°C (47°F)	60 mm (2.4 inches)	86%	moderate
April Weather	10°C (50°F)	33 mm (1.3 inches)	85%	moderate
May Weather	13°C (56°F)	61 mm (2.4 inches)	79%	high
June Weather	16°C (62°F)	74 mm (2.9 inches)	80%	very high
July Weather	19°C (66°F)	51 mm (2.0 inches)	71%	very high
August Weather	18°C (64°F)	63 mm (2.5 inches)	76%	high
September Weather	16°C (61°F)	48 mm (1.9 inches)	82%	high
October Weather	13°C (56°F)	98 mm (3.9 inches)	90%	moderate
November Weather	9°C (49°F)	68 mm (2.7 inches)	92%	low
December Weather	8°C (47°F)	94 mm (3.7 inches)	92%	low