Robomow can mow in rainy weather, but for the health of your lawn, we don’t recommended mowing wet grass.
There are many reasons why you should not mow the lawn when it's wet, including:
Disease spreads quickly when the grass is wet.
The mower can get clogged.
The Grasscycling is not good enough (mulching). Clippings tend to clump, which doesn't look good on your lawn.
It’s not fun for you and not good for the lawn either, since the clippings provide
free fertilizer.
Damp grass is slippery and may cause the mower to slip and cause damage to the lawn.