Ebro and meseta which is a high tableland that is located in central Spain have generally continental climate which can be further elaborated as cold and dry in the winter season and scorching hot in the summer season. The city of Madrid freezes in the winter season during the months between December to February and its temperatures go high up to 30 degrees Celsius during the months in July to August. In the Ebro basin Zaragoza and northern part of meseta Valladolid gets drier in this season which receives about 300mm rain in a year, a little more of rain compared to the ones in Alice Springs, Australia. Andalucia, the one located in the basin of Guadalquivir is a bit wetter than in other places plus during the summers it can get very hot with temperatures reaching 35 degrees Celsius and above in the area in Seville which literally kills its residents each year.
Cordillera Cantarbica and The Pyerness which backs up Bay of Biscay which bears the coldness brought from the northwestern and northern part of its airstreams thus bringing heavy rainfall and moderate temperatures to its north coast. This is far more than the ones received in the city of Madrid. Even during high summer seasons you will never notice nor do you care about when will be the time you need to take your shower. The Balearic Islands and Mediterranean coast gets a bit more rain compared to the city of Madrid and the southern part can be a bit hotter during summer season. The one around Alicante has the warmest summers of the country reaches up to 27 degrees Celsius or higher during the month of August each year. The weather in Barcelona is milder compared to other inland cities but has more humidity.
The weather in Spain does not pose a threat to visitors or locals alike so the best time to visit Spain depends upon your choice of weather. The country is an ideal destination with attractions, events and sights that can be viewed any time of the year but the most recommended months to visit the place are from May to June and the month of September. The recommended months to visit the southern part should be either October or April. These months have the best and most pleasant weather to visit the country of Spain but you may need to avoid months that give off extreme heat which crushes both locals and foreigners.