Question: When does Michel Boyibanda's country of citizenship experience dry season?

full_context: Document 1: Guiyang: Guiyang has a four-season, monsoon-influenced humid subtropical climate (Köppen: Cwa), tempered by its low latitude and high elevation. It has cool winters and moderate-temperature summers; the majority of the year's 1,118 millimetres (44.0 in) of precipitation occurs from May to July. The monthly 24-hour average temperature ranges from 5.1 °C (41.2 °F) in January to 23.9 °C (75.0 °F) in July, while the annual mean is 15.35 °C (59.6 °F). Rain is common throughout the year, with occasional flurries in winter. With monthly percent possible sunshine ranging from 12 percent in January to 41 percent in August, the city receives only 1150 hours of sunshine, making it one of China's least sunny major cities. Average monthly relative humidity is consistently above 75% throughout the year.
Document 2: Sam Mangwana: Sam Mangwana (born February 21, 1945), is a Congolese musician, born to a Zimbabwean migrant father and an Angolan mother. He is the frontman of his bands "Festival des Maquisards" and "African All Stars". Mangwana was a member of François Luambo Makiadi's seminal band TPOK Jazz, and Tabu Ley Rochereau's bands African Fiesta, African Fiesta National and Afrisa International.
Document 3: N'Yoka Longo: N'Yoka Longo Mvula, also known as Jossart, alias Vieux Mbombas, is a DR Congo soukous singer, historical member and current leader of the popular soukous band Zaiko Langa Langa.
Document 4: Rigo Star: Rigobert Bamundele, best known as Rigo Star, is an appreciated soukous guitarist and composer from DR Congo, now based in Paris. He has played with several major soukous and world music acts, including Papa Wemba's Viva La Musica, Bozi Boziana's Anti-Choc, Kanda Bongo Man, Koffi Olomide, Kelele, Kékélé, and Paul Simon. His name is mostly associated with Congolese female singer M'bilia Bel, with whom he collaborated almost exclusively throughout the 1990s. He has also released a few solo works, including the 1998 album "Attention!" with Sam Mangwana on vocals.
Document 5: Republic of the Congo: Since the country is located on the Equator, the climate is consistent year-round, with the average day temperature being a humid 24 °C (75 °F) and nights generally between 16 °C (61 °F) and 21 °C (70 °F). The average yearly rainfall ranges from 1,100 millimetres (43 in) in south in the Niari Valley to over 2,000 millimetres (79 in) in central parts of the country. The dry season is from June to August while in the majority of the country the wet season has two rainfall maxima: one in March–May and another in September–November.
Document 6: Samba Mapangala: Samba Mapangala was born in Matadi in what is now the Democratic Republic of Congo. He spent early 1970s with various bands in Kinshasa, before moving to Uganda in 1975 where he and some other Congolese musicians formed the Les Kinois band. They moved to Nairobi in 1977. He formed a new band, the Orchestra Virunga, in 1981. The band is named after Virunga volcano located in Congo.
Document 7: Mali: Mali lies in the torrid zone and is among the hottest countries in the world. The thermal equator, which matches the hottest spots year-round on the planet based on the mean daily annual temperature, crosses the country. Most of Mali receives negligible rainfall and droughts are very frequent. Late June to early December is the rainy season in the southernmost area. During this time, flooding of the Niger River is common, creating the Inner Niger Delta. The vast northern desert part of Mali has a hot desert climate (Köppen climate classification (BWh) with long, extremely hot summers and scarce rainfall which decreases northwards. The central area has a hot semi-arid climate (Köppen climate classification (BSh) with very high temperatures year-round, a long, intense dry season and a brief, irregular rainy season. The little southern band possesses a tropical wet and dry climate (Köppen climate classification (Aw) very high temperatures year-round with a dry season and a rainy season.
Document 8: Michel Boyibanda: Michel Boyibanda is a soukous recording artist, composer, and vocalist in the Republic of the Congo. He was once a member of the soukous band TPOK Jazz, led by François Luambo Makiadi, which dominated the Congolese music scene from the 1950s through the 1980s.
Document 9: Republic of the Congo: The southwest of the country is a coastal plain for which the primary drainage is the Kouilou-Niari River; the interior of the country consists of a central plateau between two basins to the south and north. Forests are under increasing exploitation pressure.
Document 10: Jean Malonga: Jean Malonga (February 25, 1907 in Kibouende, French Congo – 1985) is credited as one of the earliest of the modern Republic of Congo writers. Prior to Malonga, Congolese literature in Brazzaville consisted of scattered pre-World War II French language works. He began his career as a writer in the Congolese language magazine "Liaison". He was also a Congolese politician who served in the French Senate from 1948 to 1955.
Document 11: Republic of the Congo: Congo is located in the central-western part of sub-Saharan Africa, along the Equator, lying between latitudes 4°N and 5°S, and longitudes 11° and 19°E. To the south and east of it is the Democratic Republic of Congo. It is also bounded by Gabon to the west, Cameroon and the Central African Republic to the north, and Cabinda (Angola) to the southwest. It has a short coast on the Atlantic Ocean.
Document 12: Diblo Dibala: Diblo Dibala, often known simply as Diblo, is a Congolese soukous musician, known as "Machine Gun" for his speed and skill on the guitar. He was born in 1954 in Kisangani. He moved to Kinshasa as a child, and aged 15 won a talent competition which led to him playing guitar in Franco's TPOK band. Dibala remained with the group for only a short period, going on to play with Vox Africa, Orchestra Bella Mambo and Bella Bella, in which band he first played with Kanda Bongo Man.
Document 13: Climate of Ghana: The climate of Ghana is tropical and there are two main seasons: the wet and the dry seasons. North Ghana experiences its rainy season from March to November while South Ghana experiences its rainy season from April to mid-November. The tropical climate of Ghana is relatively mild for its latitude. The harmattan, a dry desert wind, blows in north - east Ghana from December to March, lowering the humidity and causing hotter days and cooler nights in northern part of Ghana. Average daily temperatures range from 30 ° C (86 ° F) during the day to 24 ° C (75 ° F) at night with a relative humidity between 77 percent and 85 percent. In the northern part of Ghana, there are two rainy seasons: April through June and September through November. Squalls occur in the northern part of Ghana during March and April, followed by occasional rain until August and September, when the rainfall reaches its peak. Rainfall ranges from 78 to 216 centimeters (31 to 85 inches) a year.
Document 14: New Caledonia: The climate is tropical, with a hot and humid season from November to March with temperatures between 27 °C and 30 °C, and a cooler, dry season from June to August with temperatures between 20 °C and 23 °C, linked by two short interstices. The tropical climate is strongly moderated by the oceanic influence and the trade winds that attenuate humidity, which can be close to 80%.  The average annual temperature is 23 °C, with historical extremes of 2.3 °C and 39.1 °C.The rainfall records show that precipitation differs greatly within the island. The 3,000 millimetres (120 in) of rainfall recorded in Galarino are three times the average of the west coast. There are also dry periods, because of the effects of El Niño. Between December and April, tropical depressions and cyclones can cause winds to exceed a speed of 100 kilometres per hour (62 mph), with gusts of 250 kilometres per hour (160 mph) and very abundant rainfall. The last cyclone affecting New Caledonia was Cyclone Cook, in January 2017.
Document 15: Namibia: Typically the sub-Tropical High Pressure Belt, with frequent clear skies, provides more than 300 days of sunshine per year. It is situated at the southern edge of the tropics; the Tropic of Capricorn cuts the country about in half. The winter (June – August) is generally dry, both rainy seasons occur in summer, the small rainy season between September and November, the big one between February and April. Humidity is low, and average rainfall varies from almost zero in the coastal desert to more than 600 mm in the Caprivi Strip. Rainfall is however highly variable, and droughts are common. The last[update] bad rainy season with rainfall far below the annual average occurred in summer 2006/07.
ground_truth: June to August
sub_queries: Michel Boyibanda >> country of citizenship Answer: Congo
When does the Congo experience dry season? Answer: June to August