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Working in Cold Weather Toolbox Talk

This Toolbox Talk aims to raise awareness of the risks associated with working in cold or severe weather conditions.

Complete the form to unlock the full Toolbox Talk below and access a downloadable PDF version for briefing your managers and employees.

Complete your details to reveal and download the Working in Cold Weather Toolbox Talk

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    Working in cold weather

    Cold weather can have a serious impact on our health, wellbeing, and performance.

    By planning ahead, using the right protective measures, and acting promptly when conditions deteriorate, we can work safely and responsibly throughout the winter period.

    • Why It Matters 

      • Cold weather can reduce both safety and performance.
      • Workers who are cold, fatigued, or uncomfortable are more likely to make errors, experience loss of grip, or slip and fall.
      • In extreme cases, cold stress can cause hypothermia, frostbite, and cardiac strain.

    • Common cold-related hazards

      • Loss of dexterity and slower reaction times.
      • Slips, trips, and falls caused by ice, frost, or wet surfaces.
    Working in Cold Weather

    Case study – Working in cold weather

    A 2018 case highlighted the consequences of inadequate planning. A lone security worker died of hypothermia after being stranded on-site during snow, without reliable heating or communication.

    The incident led to fines totalling nearly £900,000 and reinforced the importance of robust welfare, reliable communications, and clear stop-work criteria in adverse weather.

    Further information: Wind farm firms fined almost £900,000 over security guard’s death

     

    Safe Working Practices

    • Planning & Environment

      • Monitor weather forecasts and plan work accordingly.
      • Establish trigger points for stopping or suspending work during severe conditions.
      • Consider site remoteness, communication reliability, and emergency access.
      • Record supervisory checks and ensure safe start procedures are followed.
      • Maintain reasonable indoor temperatures where (16°C or 13°C for strenuous work).
      • Use heated rest areas, warm drinks, and frequent breaks in warm conditions.
      • For generator-powered welfare cabins, ensure backup power and regular maintenance.
      • Shorten outdoor exposure times and rotate tasks.
      • Schedule heavier work for the warmest part of the day.
      • Avoid lone working where possible. Consider a buddy system.
      • Allow extra travel and setup time during poor weather.

    • Clothing and PPE

      • Wear layered, breathable, and waterproof clothing to retain warmth and stay dry.
      • Ensure gloves, boots, and head protection are insulated.
      • Keep spare dry clothing available.
      • PPE should fit correctly and be maintained in good condition.

    • Download the Toolbox Talk PDF

      Working in cold weather

      Ideal for team briefings, training sessions, or your health & safety records.

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    • Communication and Emergency Arrangements

      • Ensure and maintain 2-way contact with colleagues and supervisors. Consider radios or satellite devices where mobile coverage is unreliable.
      • Confirm site access and egress routes in snow or ice.
      • Establish and understand a clear escalation plan and emergency contact procedure. “What if things go wrong?”

    • Training and Awareness

      • Recognise signs of cold stress: shivering, fatigue, slurred speech, confusion, numbness, or loss of coordination.
      • Report early signs of discomfort to colleagues and managers.
      • Monitor weather conditions and act decisively if safety deteriorates.

    • Additional Considerations

      • Vehicle safety: Check fuel, tyres, brakes, lights, and antifreeze before driving.
      • Fatigue: Cold and shorter daylight hours can increase fatigue — plan rest breaks.
      • Hydration: Drink fluids regularly.
      • Environmental: Manage salt, grit, and drainage to prevent slips and pollution.

    • Discussion Points

      • Are there any cold weather risks which could affect our site or tasks?
      • How do we check welfare facilities and communications before bad weather?
      • What improvements can we make to our cold-weather procedures?

    Your Questions Answered

    Everything you need to know about Working in Cold Weather

    • What temperature is considered ‘too cold’ to work?Reveal

      There is no legal minimum outdoor temperature, but employers must ensure conditions are safe. Indoor workplaces should be at least 16°C (or 13°C for strenuous work). For outdoor work, employers should assess wind chill, exposure time, and task risk, and pause work when conditions become unsafe.

    • What are the early warning signs of cold stress I should look out for?Reveal

      Shivering, fatigue, numbness, slowed coordination, confusion, and slurred speech are key indicators. Workers should stop, warm up immediately, and report symptoms so supervisors can review the work conditions.

    • Do employers need to provide specialised winter PPE?Reveal

      Yes. Employers must ensure PPE is suitable for the conditions—typically including layered clothing, waterproof outerwear, insulated gloves, thermal boots, and head protection. Spare dry clothing should also be available.

    • How often should workers take warm-up breaks?Reveal

      Break frequency should increase as temperatures drop. Short, regular breaks in a heated area, with access to warm drinks, help maintain dexterity, alertness, and overall safety. Higher-risk tasks may require more frequent rotation.

    • What communication measures are required in poor weather?Reveal

      Teams should maintain reliable 2-way communication at all times. In remote or low-signal locations, radios or satellite devices may be needed. Employers should confirm access routes, maintain an escalation plan, and avoid lone working wherever possible.

    • When should work be stopped due to weather conditions?Reveal

      Work should pause when weather forecasts or on-site conditions exceed predefined risk thresholds—such as ice accumulation, high winds, extreme wind chill, or loss of safe access. A clear stop-work procedure ensures decisions are consistent and protects worker safety.

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