January Weather in Newport, Ireland

Last updated: August 23, 2025

In January, the average temperature in Newport, Ireland hovers around 6°C (43°F), with a minimum of -3°C (26°F) and a maximum of 14°C (57°F). Expect 91 mm (3.6 in) of precipitation spread over approximately 15 days. The air is quite humid, with an average humidity level of 88%.

January Temperature in Newport

In January in Newport, the average temperature is 6°C (43°F). The maximum can reach 14°C (57°F), and the minimum can be as low as -3°C (26°F). Travelers should prepare for cool weather and pack layers to stay comfortable during their visit.

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

The chart illustrates January temperature patterns in Newport, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Newport, January typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (57°F) and lows dropping to around -3°C (26°F).

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

January Precipitation in Newport

In Newport in January, the total precipitation amount is 91 mm (3.6 in) over a span of 15 days.

January Precipitation Trends in Newport

The chart displays monthly precipitation patterns in Newport, 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 Newport, January typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 15 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Newport

In Newport in January, humidity is 88%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable and prompting you to seek warm shelter frequently.

January Average Humidity in Newport

This chart illustrates the average monthly humidity levels in Newport, 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 Newport is approximately 88%, 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 Newport

In Newport 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 Newport.

Maximum UV Index Levels in Newport for January

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

Data source: Newport 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 Newport Compares to Other Months

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

This table compares monthly weather conditions in Newport, 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 (43°F)	91 mm (3.6 inches)	88%	low
February Weather	6°C (43°F)	134 mm (5.3 inches)	88%	low
March Weather	7°C (44°F)	117 mm (4.6 inches)	87%	moderate
April Weather	9°C (48°F)	68 mm (2.7 inches)	86%	moderate
May Weather	11°C (52°F)	82 mm (3.2 inches)	83%	high
June Weather	13°C (56°F)	95 mm (3.7 inches)	83%	very high
July Weather	15°C (59°F)	100 mm (4.0 inches)	85%	very high
August Weather	15°C (58°F)	152 mm (6.0 inches)	85%	high
September Weather	13°C (56°F)	96 mm (3.8 inches)	88%	moderate
October Weather	10°C (51°F)	134 mm (5.3 inches)	91%	moderate
November Weather	8°C (46°F)	117 mm (4.6 inches)	92%	low
December Weather	7°C (44°F)	122 mm (4.8 inches)	89%	low