The death toll in Rwanda's heavy rains that hit different parts of the country on Wednesday night has reached 65, a senior government official told Xinhua on Thursday.

The death toll has climbed following an assessment conducted by authorities with the purpose to ascertain the number of lives lost and property destroyed, permanent secretary of the Ministry of Emergency Management Olivier Kayumba said in a phone interview.

The deceased were from districts of Gakenke, Nyabihu, Ngororero and Rubavu in Western Province and districts of Muhanga, Musanze and Rulindo in Northern Province, said Kayumba.

Rwandan Minister of Emergency Management Marie Solange Kayisire said earlier on the day that 55 people were killed by floods and landslides triggered by the rains, and four others were injured.

She said, 91 houses, five bridges and several plantations were destroyed, adding that the authorities are working to provide support to affected families, she said.

Wednesday's tragedy came days after eight people were killed and five were injured in heavy rains on last Friday and Saturday.

The Rwanda Meteorology Agency in February forecast "above normal" rainfall countrywide during the rainy season from March to May.

In a disaster update released on March 6, the ministry in charge of emergency management, said 53 people were killed while 84 others were injured due to disasters triggered by heavy rains in different parts of Rwanda since January.

They also destroyed 858 houses and 196 hectares of crops, 23 roads, 17 bridges and 8 churches, among others, it said.

In the first three weeks of last December, the Rwandan government evacuated close to 6,000 residents from high-risk zones in different areas threatened by heavy rains as a disaster management and mitigation measure.