Climate almanac
Monaghan
Ulster, Ireland · 54.25°, -6.97°
What is the climate like in Monaghan?
The best time to visit Monaghan is typically May, the year's most comfortable month (5.6/10). Monaghan is warmest in July, when daily highs average 65°F (18°C), and coolest in January, when lows fall to about 37°F (3°C). The wettest month is typically August and the driest is May; the year sees roughly 40 in (1027 mm) of precipitation.
- Best time to visitMay — the year's comfort peak (5.6/10)
- Warmest monthJuly — average high 65°F (18°C)
- Coolest monthJanuary — average low 37°F (3°C)
- Wettest monthAugust (4.2 in (107 mm))
- Driest monthMay (2.7 in (70 mm))
- Annual precipitation40 in (1027 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromArmagh, 24 km away (1844-2026)