Trading safely in hot weather: A Guide for Outdoor Caterers

Hot weather and food safety don’t always mix well, but with the right know-how, outdoor caterers can trade in the heat without the stress. Whether you’re running a summer festival stall, a pop-up street food stand, or an outdoor event kitchen, trading safely in the heat requires careful planning and the right precautions. This guide walks you through everything you need to keep your food safe, your team well, and your customers happy all summer long.

Extreme Temperature Control 🌡️

1. High-risk foods like meat, dairy, salads and sauces are most vulnerable. High ambient heat allows bacteria to multiply at an alarming rate and dried out food looks poor!

2. While we usually allow for longer, on hot days do not leave food out of temperature control for more than 2 hours. At the end of the two hours, the food must either be consumed immediately, discarded, or rapidly cooled to 8°C or below and not allowed another period out of temperature control.

3. Keep chilled storage doors shut – service units will struggle every time the door is opened!

4. Do not rely on a single refrigerator or freezer that is used during service, ensure you have backup refrigeration to hold main stock.

5. Position all chilled storage in the shade where possible.

6. Increase the frequency of chilled storage monitoring – do not trust digital display dials alone! You must have another method of monitoring, such as probing food or external monitor which has a wire/sensor inside i.e.: Hygiplas Digital Fridge Freezer Thermometer – F343 – Nisbets

7. If units creep over 8°C, move all stock that will not be used within 4 hours to a backup refrigeration immediately.

8. If using cool boxes, it is strongly recommended you use a digital temperature monitor that can be seen from the outside of the box without the need to open. Do not put the temperature sensor/node directly onto ice, place it between packs of food away.

9. Discard of any food stored at unsafe temperatures.

10. Document any issues and corrective action taken in your diary!

Kitchen Ventilation💨

1. Heat trapped inside a gazebo or trailer can quickly exceed 40°C, causing risk to food, equipment to fail, and staff to collapse.

2. Increase airflow by removing gazebo sides or opening up all available hatches to create a through-draft (monitor flies & pest control).

3. Use industrial fans to move hot air away from cooking ranges and prep stations.

4. Ensure fans are clean and positioned so they do not blow dust onto open food. (Keep fans clean – add them to cleaning schedules!)

5. Keep refrigeration motors clear. If a unit motor is boxed in, it will overheat and cut out.

Working in the Sun☀️

1. Ensure your prep area and service hatch are shaded by awnings or umbrellas. Direct sunlight can turn a stainless-steel counter into a heat-lamp, cooking food on the surface.

2. Opening up kitchens can increase the risk of flies. Use food covers and ensure all bins are lidded when not in frequent use and kept away from the prep area.

Staff Welfare & Hydration💧

1. Extreme heat is a significant health and safety risk. A heat-stressed staff member is more likely to cause an accident or make a food safety error.

2. You must implement hydration, shade, and rest breaks in cool, quiet zones.

At the end of the day, trading safely in hot weather comes down to preparation and communication. Keep a close eye on your food temperatures, make sure everything is stored, chilled, and served at the right levels, and check in with your team regularly.

References: Forward Thinking EHS