Monaghan Weather & Climate: Best Time to Visit

Temperatures in Monaghan, Monaghan County, Ireland, vary greatly throughout the year. July is the hottest month at 20°C (68°F), while February is the coldest at 9°C (48°F).

With around 1021 mm (40 in) of annual rain/snowfall, Monaghan has a notably wet climate. The wettest month is August. Sunshine peaks in May, when the city sees around 6.1 hours of sunshine per day.

Monthly Temperature in Monaghan

The climate in Monaghan is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a pleasant 20°C (68°F) in July. In February, the coolest month of the year, temperatures drop to a chilly 9°C (48°F).

At night, temperatures range from around 12°C (54°F) in July to 3°C (37°F) in February.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Monaghan

Monaghan has a notably wet climate with abundant precipitation, recording 1021 mm (40 in) of rain/snowfall per year. Despite minor fluctuations, Monaghan enjoys fairly consistent precipitation throughout the year. In August, you can expect around 98 mm (3.9 in) of precipitation, while in March, Monaghan receives about 73 mm (2.9 in). For more details, please visit our Monaghan Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Sunshine Hours in Monaghan

Monaghan can be enjoyed more throughout the sunniest month of May under a blue sky, with approximately 6.1 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.3 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Data from: Belfast, Ireland (66 KM, 41 Miles).

Daily hours of sunshine

Data from: Belfast, Ireland (66 KM, 41 Miles).

Daily percentage of sunshine

Data from: Belfast, Ireland (66 KM, 41 Miles).

Humidity in Monaghan by Month

The city experiences its highest humidity in September, reaching 91%. In February, the humidity drops to its lowest level at 86%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year

Data from: Belfast, Ireland (66 KM, 41 Miles).

Monaghan 3-Day Forecast

10-Day Forecast

Select a Month

Check the conditions for any month of the year.

Best Time to Visit Monaghan

Monaghan's weather is most enjoyable during June, July and August, with comfortable temperatures from 18°C (65°F) to 20°C (67°F). The moderate conditions ensure pleasant weather for exploring the area. Expect varied weather during this period with rainfall between 90 mm (3.5 in) and 98 mm (3.9 in), providing a good balance of sunny and rainy days.

Planning your next adventure but unsure where to go? Our climate tool suggests perfect locations tailored to your preferred weather conditions. Discover your ideal travel destination with our weather planner.