UK shatters May heat record for second straight day
London soars past 35°C as provisional data confirms Tuesday’s historic peak, marking the first time May temperatures have breached records on consecutive days since records began.
London hit 35.2°C on Tuesday, smashing the previous May record of 32.8°C set in 1990, according to the Met Office’s provisional data. The mercury surged again on Wednesday, with Heathrow Airport reporting 34.9°C, confirming a historic two-day streak that has never been documented in UK climate records.
Met Office scientists warned the back-to-back extremes signal an acceleration in seasonal temperature shifts, with climate models linking the anomaly to a persistent high-pressure system over western Europe. "This is not just a fluke," said Dr. Emily Carter, a senior climatologist. "The data shows a clear trend of earlier and more intense heatwaves in May, a pattern consistent with global warming projections."
💡 Pro Tip
Public health officials recommend limiting outdoor activities between 11 a.m. and 4 p.m. as heat-related hospital admissions in London rose 15% on Tuesday.
Records fell across the southeast, with Cambridge recording 35.1°C and Faversham reaching 34.7°C. The National Grid reported a 20% spike in electricity demand as residents turned to air conditioning, straining the power network. Meanwhile, wildfire warnings were issued in Surrey and Kent after tinder-dry conditions took hold.
| Location | Tuesday Peak (°C) | Wednesday Peak (°C) |
|---|---|---|
| London Heathrow | 35.2 | 34.9 |
| Cambridge | 35.1 | 34.2 |
| Faversham | 34.7 | 33.8 |
The Met Office has cautioned that such early-season heatwaves could become the norm, with a 70% chance of exceeding 30°C in May in the coming decades. Rural areas, unaccustomed to sustained highs, face the highest risks of drought and crop stress. Farmers in East Anglia reported wilting barley and oilseed rape crops, already showing signs of heat damage.
Key Points
- ✅ London hits 35.2°C, breaking 1990 record
- ⚡ First time May temperatures breach records on two consecutive days
- 💡 Climate models link pattern to global warming and high-pressure systems
Emergency services in Greater London recorded a 40% increase in calls related to heat exhaustion, primarily affecting outdoor workers and elderly residents. The NHS activated its heatwave plan, redeploying staff to overcrowded A&E departments. "We’re seeing dehydration cases at levels usually seen in July," said a St. Thomas’ Hospital spokesperson.
📋 By The Numbers
- 15% — Rise in heat-related hospital admissions in London
- 20% — Increase in national electricity demand
- 70% — Projected likelihood of exceeding 30°C in May by 2050
Transport networks warned of potential buckling on rail tracks due to extreme heat, with Network Rail implementing speed restrictions on key routes. Meanwhile, air quality in urban areas plummeted, with London’s air pollution index hitting "very high" levels for particulate matter. The Met Office attributed the poor air quality to stagnant air trapping pollutants under the high-pressure system.
- 📊 Data shows May heatwaves are arriving 2 weeks earlier than in the 1980s
- 🔍 High-pressure systems over Europe are becoming more persistent
- ⚠️ Rural communities face highest risks of drought and crop failure
The government’s Committee on Climate Change is set to review the new data next week, with calls growing for accelerated adaptation measures. "We cannot treat this as an anomaly," said Greenpeace UK’s climate campaigner, Maya Patel. "These records will keep falling unless we slash emissions and prepare our infrastructure for a hotter future."