Monaghan Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Monaghan.

Climate overview of Monaghan

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

With around 1021 mm (40 in) of annual rain/snowfall, Monaghan has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has pleasant summers and cold winters. The wettest month is August. Sunshine peaks in May, when the city sees around 6.1 hours of sunshine per day.

Monaghan Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Monaghan - and find the best time to visit.

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 January, 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 January.

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

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).

Humidity in Monaghan by Month

Best Time to Visit Monaghan

The most comfortable overall weather for exploring Monaghan is usually found in July. Conditions are generally least comfortable in January, February and December.

Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.

  • Best overall: July
  • Warmest weather: June, July and August
  • Most sunshine: May
  • Seasonal pattern: Pleasant summers and cold winters

Frequently asked questions about the climate in Monaghan

What is the best time to visit Monaghan?

July typically offers the most optimal weather in Monaghan. In contrast, January, February and December tend to have less optimal conditions. Monaghan has pleasant summers and cold winters.

What temperatures can I expect in Monaghan?

Daytime highs range from 9°C (48°F) in January to 20°C (68°F) in July. Nighttime lows range from 3°C (37°F) to 12°C (54°F). Temperatures vary considerably through the year.

How much rain does Monaghan get?

Annual rainfall is around 1021 mm (40 in). August is the wettest month with 98 mm (3.9 in), while March is the driest with 73 mm (2.9 in).

How sunny is Monaghan?

Monaghan receives around 1,297 hours of sunshine per year. May is the sunniest month with 184 hours, while December is the cloudiest with just 39 hours.

Monaghan 3-Day Forecast

Monaghan on the map

Monaghan is highlighted - select any city to see its climate.

Popular this month

Where to go in July - average daytime high across popular destinations.

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