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January Weather in Swords, Ireland

Last updated: August 23, 2025

In January, the average temperature in Swords, Ireland hovers around 6°C (43°F). Expect chilly days, with temperatures dipping as low as -3°C (27°F) and peaking at 14°C (58°F). Precipitation is common, with about 53 mm (2.1 in) falling over 10 days, contributing to an average humidity level of 85%. Be prepared for a cozy, yet damp atmosphere!

January Temperature in Swords

In January in Swords, the average temperature is 6°C (43°F). The maximum can reach 14°C (58°F), while the minimum can drop as low as -3°C (27°F). It's advisable to pack both warm clothing and lighter layers to accommodate the fluctuating temperatures during your travels.

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

The chart illustrates January temperature patterns in Swords, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Swords, January typically has an average temperature of 6°C (43°F), with highs reaching up to 14°C (58°F) and lows dropping to around -3°C (27°F).
JanFebMarAprMayJunJulAugSepOctNovDec434445485358616157524745
Data source: Temperature data for Swords generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Swords

In Swords in January, the precipitation amount is 53 mm (2.1 in) spread over a duration of 10 days.

January Precipitation Trends in Swords

The chart displays monthly precipitation patterns in Swords, 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 Swords, January typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec537373446269739570799385
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Swords

In Swords in January, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.

January Average Humidity in Swords

This chart illustrates the average monthly humidity levels in Swords, 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 Swords is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%86%85%83%85%86%85%86%87%87%84%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Swords

In Swords 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 Swords.

Maximum UV Index Levels in Swords for January

The chart shows the monthly maximum UV Index (UVI) for Swords 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 Swords typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Swords 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 Swords Compares to Other Months

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

This table compares monthly weather conditions in Swords, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)53 mm (2.1 inches)85%low
February Weather7°C (44°F)73 mm (2.9 inches)86%low
March Weather7°C (45°F)73 mm (2.9 inches)86%moderate
April Weather9°C (48°F)44 mm (1.7 inches)85%moderate
May Weather12°C (53°F)62 mm (2.4 inches)83%high
June Weather15°C (58°F)69 mm (2.7 inches)85%very high
July Weather16°C (62°F)73 mm (2.9 inches)86%very high
August Weather16°C (61°F)95 mm (3.7 inches)85%high
September Weather14°C (57°F)70 mm (2.7 inches)86%moderate
October Weather11°C (53°F)79 mm (3.1 inches)87%moderate
November Weather8°C (48°F)93 mm (3.6 inches)86%low
December Weather7°C (45°F)85 mm (3.4 inches)84%low

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