January Weather in Greenlaw, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Greenlaw, United Kingdom hovers around 4°C (40°F), with a minimum of -4°C (25°F) and a maximum reaching 13°C (56°F). Expect about 52 mm (2.0 in) of precipitation spread across 9 days, paired with a high average humidity of 90%.

January Temperature in Greenlaw

In January in Greenlaw, the average temperature is 4°C (40°F). The maximum can reach 13°C (56°F), while the minimum can be as low as -4°C (25°F). Be prepared for chilly weather and pack layers if you plan to travel during this time.

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

The chart illustrates January temperature patterns in Greenlaw, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Greenlaw, January typically has an average temperature of 4°C (40°F), with highs reaching up to 13°C (56°F) and lows dropping to around -4°C (25°F).

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

January Precipitation in Greenlaw

In Greenlaw in January, the precipitation amount is 52 mm (2.0 in) over a span of 9 days.

January Precipitation Trends in Greenlaw

The chart displays monthly precipitation patterns in Greenlaw, 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 Greenlaw, January typically receives around 52 mm (2.0 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 Greenlaw

In Greenlaw in January humidity is 90%. With an average temperature of 4°C (40°F), this humidity feels like a damp chill that penetrates your clothes, making even short excursions outside seem uncomfortable and uninviting.

January Average Humidity in Greenlaw

This chart illustrates the average monthly humidity levels in Greenlaw, 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 Greenlaw is approximately 90%, 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 Greenlaw

In Greenlaw in January, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Greenlaw.

Maximum UV Index Levels in Greenlaw for January

The chart shows the monthly maximum UV Index (UVI) for Greenlaw 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 Greenlaw typically reaches 1, which falls under the low exposure category.

Data source: Greenlaw 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 Greenlaw Compares to Other Months

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

This table compares monthly weather conditions in Greenlaw, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	4°C (40°F)	52 mm (2.0 inches)	90%	low
February Weather	5°C (41°F)	79 mm (3.1 inches)	88%	low
March Weather	6°C (43°F)	71 mm (2.8 inches)	86%	moderate
April Weather	7°C (45°F)	32 mm (1.3 inches)	85%	moderate
May Weather	10°C (51°F)	53 mm (2.1 inches)	80%	high
June Weather	13°C (56°F)	84 mm (3.3 inches)	83%	very high
July Weather	15°C (60°F)	78 mm (3.1 inches)	82%	very high
August Weather	15°C (59°F)	90 mm (3.6 inches)	82%	high
September Weather	13°C (55°F)	62 mm (2.4 inches)	88%	moderate
October Weather	10°C (50°F)	92 mm (3.6 inches)	90%	moderate
November Weather	7°C (45°F)	70 mm (2.7 inches)	92%	low
December Weather	5°C (41°F)	73 mm (2.9 inches)	89%	low