A mild cold wave may sweep the country from December 20 to 24, Bangladesh Weather Observatory Team (BWOT) has said. The intensity of cold may remain slightly less till December 20 while the temperature may fall up to (<10°C) as cold wave may sweep most areas during this period, said BWOT, an independent weather research group. Mild cold wave (8≤10°C) may hit the country during this period, it added. Read more: Dense fog disrupts Daulatdia-Paturia ferry services Besides, moderate to thick fog may occur at places over the country from midnight till morning commencing 9am on Sunday, according to Bangladesh Meteorological Department (BMD). Weather may remain dry with temporary partly cloudy sky over the country. Night temperature may rise slightly and day temperature may remain nearly unchanged over the country, as per the BMD bulletin. Read more: Chuadanga records lowest temperature in Bangladesh for 3rd consecutive day The lowest temperature in Bangladesh was recorded at 12.4 degree Celsius in Tetulia of Rangpur division while the highest temperature was 30.01 degree Celsius recorded in Teknaf of Chattogram division. Meanwhile, the low pressure area over Southeast Bay and adjoining area persists. Its associated trough extends up to North Bay. Ridge of Sub-continental high extends up to West Bengal and adjoining area.