Unprecedented January Rainfall Drenches Britain
January 2026 brought historically wet conditions across the United Kingdom, with rainfall totals reaching 17% above long-term averages. Meteorological data confirms this month ranks among the wettest January periods ever recorded.
Regional Rainfall Disparities Revealed
Northern Ireland experienced its most saturated January in 149 years, with precipitation levels soaring 70% above typical measurements. Southern England faced particularly extreme conditions, recording 74% more rainfall than average. Meanwhile, Scotland reported slightly below-average rainfall, creating a stark national contrast.
Meteorological Patterns Behind the Deluge
Weather scientists attribute the persistent downpours to an unusually strong jet stream steering consecutive Atlantic low-pressure systems toward the UK. “The persistent weather pattern created minimal drying intervals between storm systems,” explained a senior climate scientist. “Saturated ground conditions amplified the impact of moderate rainfall events.”
Storm Chandra’s arrival on January 26 brought particularly extraordinary measurements, with Katesbridge in Northern Ireland recording 100.8mm within 24 hours – nearly triple the location’s previous daily record.
Temperature Trends and Climate Context
Despite brief warming periods late in the month, overall temperatures averaged 0.5°C below normal. This weather anomaly follows confirmation that 2025 marked the UK’s warmest year in recorded history, with annual temperatures averaging 10.09°C – 0.96°C above long-term norms.
Climate specialists emphasize these extreme weather patterns align with projected consequences of global climate shifts. “While not every year will break records,” noted a leading climate researcher, “observed patterns consistently demonstrate how human-influenced climate change affects British weather systems.”

