How long do cucumbers last?
They keep at room temperature for about 4 days.
Applies to: Fresh whole cucumber.

Shelf life of cucumbers at a glance
| Storage | Keeps |
|---|---|
| Room temperature | 4 days |
| Fridge | 4 days |
Cucumbers do not like the cold and keep best somewhere cool and dark at 12 to 15 °C. If they go in the fridge, use the salad drawer. Apples and tomatoes nearby turn them yellow and soft sooner. A cut cucumber keeps no more than 2 days, covered, in the fridge.
How to tell if cucumbers have gone off
These are guide values for food that has been stored properly. Check how it looks, smells and feels: mould, a sour or unusual smell or a slimy surface mean it should go in the bin. Eat raw meat and fish strictly within these times, and never after the use-by date.