May Weather in Navan, Ireland

Last updated: August 23, 2025

In Navan, Ireland, the average temperature in May hovers around 12°C (53°F). Expect a chilly minimum of -1°C (30°F), while the mercury can soar to a pleasant 24°C (76°F). Be prepared for some rain, with 68 mm (2.7 in) of precipitation across 11 days, and a high average humidity of 83% that keeps the air feeling fresh and crisp.

May Temperature in Navan

In May in Navan, the average temperature is 12°C (53°F), with maximums reaching up to 24°C (76°F) and minimums dipping as low as -1°C (30°F). Be sure to pack layers to enjoy the varied weather while exploring!

May Weather in Navan: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Navan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Navan, May typically has an average temperature of 12°C (53°F), with highs reaching up to 24°C (76°F) and lows dropping to around -1°C (30°F).

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

May Precipitation in Navan

In Navan in May, the total precipitation amount is 68 mm (2.7 in) spread over a duration of 11 days.

May Precipitation Trends in Navan

The chart displays monthly precipitation patterns in Navan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Navan, May typically receives around 68 mm (2.7 inches) of precipitation spread over approximately 11 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

May Humidity in Navan

In Navan in May humidity is 83%. With an average temperature of 12°C (53°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and necessitating layers to stay comfortable while traveling.

May Average Humidity in Navan

This chart illustrates the average monthly humidity levels in Navan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Navan is approximately 83%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Navan

In Navan in May, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Navan.

Maximum UV Index Levels in Navan for May

The chart shows the monthly maximum UV Index (UVI) for Navan in May, 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 May, the maximum UV index in Navan typically reaches 7, which falls under the high exposure category.

Data source: Navan May 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 May Weather in Navan Compares to Other Months

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

This table compares monthly weather conditions in Navan, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	5°C (42°F)	52 mm (2.0 inches)	85%	low
February Weather	6°C (43°F)	85 mm (3.3 inches)	86%	low
March Weather	7°C (44°F)	79 mm (3.1 inches)	86%	moderate
April Weather	9°C (48°F)	47 mm (1.8 inches)	85%	moderate
May Weather	12°C (53°F)	68 mm (2.7 inches)	83%	high
June Weather	14°C (58°F)	77 mm (3.0 inches)	85%	very high
July Weather	16°C (61°F)	73 mm (2.9 inches)	86%	very high
August Weather	15°C (60°F)	107 mm (4.2 inches)	85%	high
September Weather	13°C (56°F)	73 mm (2.9 inches)	86%	moderate
October Weather	10°C (51°F)	77 mm (3.0 inches)	87%	moderate
November Weather	8°C (46°F)	82 mm (3.2 inches)	86%	low
December Weather	6°C (43°F)	87 mm (3.4 inches)	84%	low