Weather in Spain in the en of february is cold most fo the times. March is a changeable weather, can have very cold weeks, some few days with 25C and very sunny. But cold also. May will be a hot month.
I live in Vietnam, maybe you too. It is true that Government here is being very restrictive, controlling flights, quarantine people, etc... But its true that during early January, still many people coming from China came to Vietnam, also people comng from other south east asians. During second half of february there were no restrictions for visa exemption for tourists, thousands came from Spain, Italy, Germany, UK... What I mean if this was Italy, Austria, Norway, the virus would have been unstoppable. We would have case everywhere , thousadns, same should be Singapore, Thailanda, laos, etc... Its very clear that the virus can be transmited here? YES, of course but only thorugh very direct contact, what is that is happening. I am sure the weather played a big role and virus is not stable for long time when exposed. I am sure also, that all this here is creating a huge oportunity of propaganda for the socialist government, they make popultaion feel fear all the time, all the people here think they will die if they catch the virus so they see like sheeps the government as an angel. They are taking too strict measurements and the damage here economically speaking is already HUGE. An example how to manage this is Singapore. They always had imported cases, and few direct contact cases from this imported cases. But they still run the country as normal as possible with not too strict measures. Here they are literally crazy. Of course, personal opinion, cheers