Climate almanac
Cavan
Ulster, Ireland · 53.99°, -7.36°
What is the climate like in Cavan?
The best time to visit Cavan is typically May, the year's most comfortable month (5.8/10). Cavan is warmest in July, when daily highs average 65°F (18°C), and coolest in January, when lows fall to about 38°F (3°C). The wettest month is typically August and the driest is May; the year sees roughly 40 in (1011 mm) of precipitation.
- Best time to visitMay — the year's comfort peak (5.8/10)
- Warmest monthJuly — average high 65°F (18°C)
- Coolest monthJanuary — average low 38°F (3°C)
- Wettest monthAugust (4.0 in (103 mm))
- Driest monthMay (2.6 in (66 mm))
- Annual precipitation40 in (1011 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromArmagh, 61 km away (1844-2026)