The Meteorological Directorate, Ministry of Transportation and Telecommunication had reported in their monthly weather summary. That May 2017 goes on record as the second hottest May ever experienced in Bahrain since 1902.The mean temperature of the month was 32.6°C. This is 2.8°C above the long-term normal. This goes on record as the second highest mean monthly temperature for May and only exceeded by May 2012 which was 32.8°C.The mean maximum temperature of the month was 37.0°C. This goes on record as the sixth highest mean maximum temperature for May since 1946 and exceeded by May 2012 which was 37.9°C, May 2015 which was 37.4°C, May 2007 which was 37.3°C, May 2014 which was 37.2°C and May 2006 & 2008 which was 37.1°C. The highest temperature recorded in the month was 40.8°C set on the 16th May at Bahrain International Airport. But recorded 43.6°C on the 30th May at Durrat Al Bahrain.During the month Bahrain had 3 days with maximum temperature which reached 40°C or more.The mean minimum temperature of the month was 29.0°C. This goes on record as the second highest mean minimum temperature for May since 1946 and only exceeded by May 2012 which was 29.1°C. The lowest temperature recorded was 25.1°C set on the 2nd May at Bahrain International Airport. But recorded 23.7°C in the same night                                               at Durrat Al Bahrain.The mean relative humidity for May was 47%. The mean maximum relative humidity for the month was 65%. The mean minimum relative humidity for May was 27%.May 2017 was the fourth sunniest month for all May’s since the sunshine records began in 1968. The total hour of sunshine for the month was 351.1 hours and exceeded by May 2014 which was 356.8 hours, May 2016 which was 354.1 hours, and May 1988 which was 351.5 hours.Only trace amounts of precipitation was reported on 12th May at the Bahrain International Airport. Note that the long-term average precipitation for May is 1.1 mm. The highest monthly precipitation ever recorded in May was 12.7 mm which occurred on May 1907.The Kingdom of Bahrain has been affected by fresh to strong Northwesterly winds on the 25th May till the end of the month and reached near gale to gale on the 31st May especially in the Southern areas with mean wind speed 39 knots and gusts                           reached 46 knots and that was due to the seasonal low pressure developed over central and southern parts of Pakistan and extended in to the Arabian Gulf leading to shamal winds which is known locally as (Al-Barreh)              Thick dust haze reported on the 9th May. Visibility dropped to 800 meters at Bahrain International Airport.