The National Meteorological Administration (ANM) announced yesterday that the weather will be cooler and thunderstorms will be registered over limited areas on May 20-26. Nevertheless, the weather will warm up in the last week of May, without becoming scorching, rtv.net informs. In Banat the weather will cool down in the following period, so that daytime highs will drop from average levels of 24-25 degrees Celsius in the first days to 17-18 degrees around May 25. During the same period nighttime lows will drop too, from 14 degrees to 7-8 degrees. Starting on May 27 the weather will warm up slightly and the average temperatures will stand around normal levels for this time of year, with daytime temperatures of 22-23 degrees and nighttime temperatures of approximately 11-12 degrees. Rains and thunderstorms will be registered throughout the aforementioned period, but will be more significant on May 22 and May 23. In Dobrogea the weather will be warm in the first days of this week, when maximum temperatures will stand at 25-27 degrees, and minimum temperatures will stand around 16 degrees. The weather will cool down slightly on May 24-26, when daytime temperatures will reach 21-22 degrees, while nighttime temperatures will reach 13 degrees. The possibility of widespread rains will be higher after May 22. In Muntenia the weather will be warm at the start of the week, temperatures reaching 31 degrees in the afternoon and 15 degrees at night. Then a cooling process will bring the daytime highs down to 22 degrees, while nighttime lows will drop by approximately 5 degrees. Thunderstorms will be registered around May 23.