January Weather in Ballymena, United Kingdom

Last updated: August 27, 2025

In January, the average temperature in Ballymena, United Kingdom hovers around 5°C (42°F), with lows reaching -4°C (25°F) and highs peaking at 14°C (57°F). Expect about 56 mm (2.2 in) of precipitation over 11 days, resulting in an average humidity of 87%. Dress warmly and be prepared for occasional rain!

January Temperature in Ballymena

In January in Ballymena, the average temperature is 5°C (42°F). Maximum temperatures can reach 14°C (57°F), while minimum temperatures can drop as low as -4°C (25°F). Be prepared for chilly weather and bring warm clothing if you're planning to travel during this time.

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

The chart illustrates January temperature patterns in Ballymena, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ballymena, January typically has an average temperature of 5°C (42°F), with highs reaching up to 14°C (57°F) and lows dropping to around -4°C (25°F).

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

January Precipitation in Ballymena

In Ballymena in January, the precipitation amount is 56 mm (2.2 in) over the course of 11 days.

January Precipitation Trends in Ballymena

The chart displays monthly precipitation patterns in Ballymena, 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 Ballymena, January typically receives around 56 mm (2.2 inches) of precipitation spread over approximately 11 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 Ballymena

In Ballymena in January humidity is 87%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and travel less inviting as the air becomes heavy and oppressive.

January Average Humidity in Ballymena

This chart illustrates the average monthly humidity levels in Ballymena, 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 Ballymena is approximately 87%, 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 Ballymena

In Ballymena 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 Ballymena.

Maximum UV Index Levels in Ballymena for January

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

Data source: Ballymena 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 Ballymena Compares to Other Months

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

This table compares monthly weather conditions in Ballymena, 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 (42°F)	56 mm (2.2 inches)	87%	low
February Weather	6°C (42°F)	89 mm (3.5 inches)	86%	low
March Weather	6°C (44°F)	78 mm (3.1 inches)	86%	moderate
April Weather	8°C (47°F)	45 mm (1.8 inches)	85%	moderate
May Weather	11°C (52°F)	66 mm (2.6 inches)	82%	high
June Weather	14°C (57°F)	82 mm (3.2 inches)	84%	very high
July Weather	15°C (60°F)	86 mm (3.4 inches)	86%	very high
August Weather	15°C (59°F)	118 mm (4.7 inches)	86%	high
September Weather	13°C (56°F)	70 mm (2.8 inches)	88%	moderate
October Weather	10°C (51°F)	85 mm (3.3 inches)	89%	moderate
November Weather	8°C (46°F)	85 mm (3.3 inches)	90%	low
December Weather	6°C (43°F)	82 mm (3.2 inches)	86%	low