SOURCE: FREEPIK
At the beginning of this week, a mass of warm subtropical air of African origin arrived in Spain, causing a significant increase in temperatures for these dates. This increase in temperatures will continue throughout the week, causing an episode of unprecedented heat for this time of year.
For this Friday, April 28, temperatures are expected to reach their highest levels in several provinces of the Iberian Peninsula. The highest temperatures will reach 40 ºC in the southwest of the peninsula, whose values are more typical of the months of June and July. In addition, it is worth noting the absence of precipitation, which amounts to more than 100 days in many parts of Spain.
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April 2023 will reach very high temperatures for these dates
Since there are records, such high temperatures had never been reached in April. The thermometers will mark maximum temperature values which could be around 38 ºC to 40 ºC in various regions of our country. Minimum temperatures will also be unusually high across the country, especially in the early hours of Thursday and Friday in Andalusia, where locally there could be tropical nights that do not drop below 20°C.
In the following table we show you what will be the highest temperatures in the different parts of our country, which will reach their highest levels on Friday 28 according to the zones:
| Province | temperatures |
| Seville | 37ºC |
| Cordoba | 37ºC |
| Grenade | 37ºC |
| Murcia | 35ºC |
| badajoz | 34ºC |
| royal city | 34ºC |
| Zaragoza | 34ºC |
| Bowl | 32ºC |
| Madrid | 31ºC |
But how long will this heat last? A drop in temperatures is expected over the weekend, where it would be noticeable especially on Sunday, ensuring a thermal break for almost all the territories of the Iberian Peninsula.
SOURCE: COMMON WIKIMEDIASea temperature increases by 3°C in Spain
The Copernicus marine service, the space observation program of the European Union (EU), warns that the waters of the seas and oceans that bathe and surround Spain recorded a temperature of 3 ºC higher on Monday April 10, compared to normal values for this period.
The temperature of the seas and oceans has just broken all records. Copernic asserts that, during this month of April, said temperature was above 21 ºC on average. It is as a consequence of global warmingcausing global sea surface temperature to reach historic highs.
March was also a warmer month than usual
March started the month cold, recording two record low daily minimum temperatures. Despite this, from March 7 to the last day, Spain suffered a prolonged heat spell, reaching temperatures of 37.7 ºC in the south of the Canary Island of Tenerife towards the end of the month.
The month of March was very hot and dry in most of the peninsular territory, where the average temperature reached 11.6°C, 1.8°C higher than the average for this month, according to the reference period 1991-2020 which sets the Ministry of Ecological Transition and Demographic Challenge (MITECO).
In the Balearic Islands, temperatures reached above normal values, with the average temperature standing at 1.4 ºC above normal values. For its part, in the Canary Islands, the month of March was “extremely hot”, where the thermal anomaly was 3°C above normal values.
In the following table, we show you what were the average temperatures of last March (reference period: 1991-2020):
| Territories | Average temperature (°C) / Anomaly (°C) |
| Mainland Spain | 11.6°C / +1.8°C |
| Balearics | 13.7°C / +1.4°C |
| the Canary Islands | 18.8°C / +3.0°C |
Sources: Editorial Ambientum, AEMET, EFE VERDE, Eltiempo.es, IPCC