01 : Which month is the best season to travel in Rwanda?

It depends on what activities you plan on carrying out whilst in Rwanda. The long dry season, from June to September is the best time for tracking gorillas in the Volcanoes Park and hiking in Nyungwe Forest, as the ground is dry. Whereas the wet season, February � June (and a shorter season September-December) is best for tracking chimps in Nyungwe and the scenery is greener in addition the sky is less hazy.
The average temperature in Rwanda is 24.6 � 27.6 �C, the hottest months being August and September.

02 : Please advise on what to wear in Rwanda.

Rwanda has no strict dress code on what to wear, although women travelers are advised to dress sensibly. In business areas, people tend to dress smartly. Cotton clothing is the most comfortable during the day, as it gets quite hot, but the nights tend to be chilly, so a heavy sweater and boots are essential. For gorilla tracking, warm clothing is required as well as walking/hiking boots, a hat and lightweight parka or raincoat.

03 : How about internet facilities in Rwanda?

Most mid-range and upward hotels have internet services that can be used. In Kigali, there are a number of fast, reliable internet facilities. Outside of Kigali, however, servers can be slow and subject to breakdowns.
There is a wireless internet services in Kigali.

04 : How many watts is the voltage and what type of socket can be used in Rwanda?

230/240 volts at 50Hz. Type of socket is the 2-pin socket.