The number of new confirmed new cases also fell.
New Spanish data released on Monday showed 517 people had died in the previous 24 hours, compared with 619 recorded on Sunday.
The figures came as Spain allowed builders, factory workers and others who unable to work from home to return to work, provided they follow strict safety guidelines.
It is a return to normality of sorts for some non-essential workers.
On the Madrid metro and at bus and railway stations, police handed out face masks to commuters. But even at rush hour, the use of Madrid’s transport system was much lower than normal.
A self-employed manual worker, Antonio Álvarez, described it as a relief to be able to resume work on the digging of a swimming pool on private property near the capital.
“I think the restrictions so far have worked. If they hadn’t implemented them it would have been disastrous,” he said.