In the Democratic Republic of the Congo (formerly Zaire), a huge country in central Africa, the climate is equatorial, hot and humid all year round with no dry season, in the central area crossed by the equator where there is a vast rain forest (the second in the world after the Amazon), or tropical, hot all year round but with a dry season, usually of short duration, in both the areas north and south of the equator. The dry season occurs in opposite periods, from December to February (boreal winter) north of the equator, and from June to September (austral winter) south of the equator.
The rains occur in the form of downpour or thunderstorm (Congo is the country that receives the greatest number of lightning strikes in the world), usually in the afternoon, all year round in the equatorial zone, and in the long rainy season in the two tropical areas.
The country is largely occupied by the huge basin of the Congo River and its tributaries.
Most of the country is located at an altitude of a few hundred metres, between 300 to 800 metres (1,000 to 2,600 feet), which are often sufficient to mitigate the climate a bit; in some areas, such as the southeast, the altitude goes from 800 to 1,300 metres (2,600 to 4,300 ft), while in the easternmost part, near the Rift Valley lakes, there are also high mountain ranges.




In the equatorial zone, temperatures are stable throughout the year.
Here are the average temperatures of Kisangani, located near the equator, 400 metres (1,300 feet) above sea level.
Average temperatures - Kisangani

Kisangani	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kisangani	J	F	M	A	M	J	J	A	S	O	N	D
Min (°C)	20	19	20	20	20	19	19	19	19	20	20	20
Max (°C)	31	31	31	31	31	30	29	29	30	30	30	30
Min (°F)	68	66	68	68	68	66	66	66	66	68	68	68
Max (°F)	88	88	88	88	88	86	84	84	86	86	86	86

The rains in the equatorial zone are abundant, and hover around 1,700/2,000 millimetres (67/78 inches) per year. Rainfall experiences two maxima, at the two passages of the sun at its zenith (late March and late September), and given the inertia in the heating of the soil, the rainiest months are usually April-May and October-November. The least rainy periods are generally January-February and June-July, in which, however, usually more than 100 mm (4 in) of rain fall per month.
This is the average rainfall in Kisangani.
Average precipitation - Kisangani

Kisangani	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Kisangani	J	F	M	A	M	J	J	A	S	O	N	D	Y
Prec. (mm)	90	115	165	180	160	115	115	155	185	230	215	165	1890
Prec.(in)	3.5	4.5	6.5	7.1	6.3	4.5	4.5	6.1	7.3	9.1	8.5	6.5	74.4
Days	9	9	13	15	13	8	7	9	14	17	15	12	141

In Kisangani, the amount of sunshine is not very high, however the sunniest period is the relatively dry one at the beginning of the year.
Sunshine - Kisangani

Kisangani	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kisangani	J	F	M	A	M	J	J	A	S	O	N	D
Sun (hours)	7	7	6	6	6	5	5	4	5	5	6	6

Both to the north and south of the equatorial zone (respectively, zone 1 and 2 in the map), the climate becomes tropical, because there is a clear dry season. The rainfall in the tropical climate zones averages normally between 1,000 and 1,700 mm (40 and 67 in) per year. Also, the temperature varies to a greater extent, and is lower in the winter dry season, and higher in the summer rainy season, but especially in spring, at the end of the dry season.
Here are the average temperatures of Gemena, in the north-west (zone 1), at 400 metres (1,300 feet) above sea level.
Average temperatures - Gemena

Gemena	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gemena	J	F	M	A	M	J	J	A	S	O	N	D
Min (°C)	19	20	20	21	21	20	20	20	20	20	19	19
Max (°C)	31	33	32	31	31	30	29	29	30	30	30	31
Min (°F)	66	68	68	70	70	68	68	68	68	68	66	66
Max (°F)	88	91	90	88	88	86	84	84	86	86	86	88

In Gemena, 1,650 mm (65 in) of rain fall annually, with a maximum in the period from August to October. The dry season is short and lasts from December to February, a time when some showers are still possible.
Here is the average precipitation.
Average precipitation - Gemena

Gemena	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Gemena	J	F	M	A	M	J	J	A	S	O	N	D	Y
Prec. (mm)	35	55	125	145	165	155	180	215	195	215	120	45	1650
Prec.(in)	1.4	2.2	4.9	5.7	6.5	6.1	7.1	8.5	7.7	8.5	4.7	1.8	65
Days	4	6	11	12	14	12	12	15	16	17	11	6	136

In Gemena and in the north the sun shines a little more often in the dry winter period than in the rainy summer period.
Sunshine - Gemena

Gemena	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Gemena	J	F	M	A	M	J	J	A	S	O	N	D
Sun (hours)	7	7	6	6	6	5	5	5	5	6	6	7

In the tropical zone of the southern hemisphere (zone 2), both temperature and rainfall follow a reversed pattern.
The capital Kinshasa is located in the west, at about 300 metres (1,000 feet) above sea level, and at 4 degrees south latitude. Temperatures are high and fairly stable throughout the year, but in the austral winter (June to August) they become more pleasant.
Here are the average temperatures.
Average temperatures - Kinshasa

Kinshasa	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kinshasa	J	F	M	A	M	J	J	A	S	O	N	D
Min (°C)	22	22	22	22	22	19	18	19	21	22	22	22
Max (°C)	30	31	31	31	30	28	27	28	30	30	30	30
Min (°F)	72	72	72	72	72	66	64	66	70	72	72	72
Max (°F)	86	88	88	88	86	82	81	82	86	86	86	86

Rainfall in Kinshasa amounts to 1,400 millimetres (55 inches) per year. Within the rainy season from October to May, you can notice the two peaks, corresponding with the passages of the sun at its zenith (April and November).
Here is the average precipitation.
Average precipitation - Kinshasa

Kinshasa	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Kinshasa	J	F	M	A	M	J	J	A	S	O	N	D	Y
Prec. (mm)	155	135	170	195	125	7	1	4	35	135	255	170	1387
Prec.(in)	6.1	5.3	6.7	7.7	4.9	0.3	0	0.2	1.4	5.3	10	6.7	54.6
Days	10	10	13	15	11	1	0	1	4	11	16	14	106

In Kinshasa the sun never shines very often: the average does not go beyond 4/5 hours of sunshine a day, all year round.
Sunshine - Kinshasa

Kinshasa	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Kinshasa	J	F	M	A	M	J	J	A	S	O	N	D
Sun (hours)	4	5	5	5	5	5	4	5	5	5	4	4

In the short coastline overlooking the Atlantic Ocean, rainfall drops below 1,000 mm (40 in) per year, because in winter the cold Benguela current, which inhibits the formation of rain clouds, arrives here, but on the other hand it is able to bring a bit of cool air, and to create fog and low clouds.
Here are the average temperatures of Banana, on the coast.
Average temperatures - Banana

Banana	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Banana	J	F	M	A	M	J	J	A	S	O	N	D
Min (°C)	22	22	22	23	22	20	18	19	21	23	23	23
Max (°C)	30	30	30	30	28	25	25	25	26	27	28	28
Min (°F)	72	72	72	73	72	68	64	66	70	73	73	73
Max (°F)	86	86	86	86	82	77	77	77	79	81	82	82

In this area, rainfall decreases to as low as 800 mm (31.5 in) per year; the rains are not particularly abundant, except maybe in April. In the austral winter, due to the cold sea current, it never rains.
Here is the average precipitation.
Average precipitation - Banana

Banana	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Banana	J	F	M	A	M	J	J	A	S	O	N	D	Y
Prec. (mm)	70	125	130	170	60	0	0	0	5	20	120	80	780
Prec.(in)	2.8	4.9	5.1	6.7	2.4	0	0	0	0.2	0.8	4.7	3.1	30.7
Days	5	8	9	12	5	0	0	0	1	5	7	6	58

On the coast the sun does not shine often in the rainy season, and you can see it even less in the cool and dry period, due to the already mentioned fogs and low clouds.
Sunshine - Banana

Banana	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Banana	J	F	M	A	M	J	J	A	S	O	N	D
Sun (hours)	4	5	5	5	4	4	3	2	2	2	4	4

The sea temperature is high in the summer months, while it becomes a bit cool in winter, dropping to 22 °C (72 °F) in July and August. However, this coastal stretch, apart from the socio-political conditions of the country, does not lend itself to beach tourism, because of frequent cloud cover.
Here are the average sea temperatures.
Sea temperature - Banana

Banana	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Banana	J	F	M	A	M	J	J	A	S	O	N	D
Sea (°C)	27	28	29	28	26	24	22	22	23	25	27	27
Sea (°F)	81	82	84	82	79	75	72	72	73	77	81	81

The country is more extended to the south than to the north (it stretches from the 13th parallel south to the 5th parallel north), and in addition in the south there are some areas located at higher elevations. The result is that in some areas the austral winter is more pronounced, dry and sunny, but very cool or even cold at night.
Here are the average temperatures of Lubumbashi, located in the far south, in the former province of Katanga, at 1,300 metres (4,250 feet) of altitude. Here in winter (June to mid-August), the temperature at night can drop to as low as 0 °C (32 °F). Additionally, you can notice the temperature increase in the second half of the dry season, between mid-August and October.
Here are the average temperatures.
Average temperatures - Lubumbashi

Lubumbashi	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lubumbashi	J	F	M	A	M	J	J	A	S	O	N	D
Min (°C)	16	16	16	14	10	8	8	9	13	15	16	16
Max (°C)	26	26	26	27	26	25	25	27	30	31	28	26
Min (°F)	61	61	61	57	50	46	46	48	55	59	61	61
Max (°F)	79	79	79	81	79	77	77	81	86	88	82	79

In Lubumbashi, the winter dry season is very evident (it practically never rains from May to September) and long (lasting more than six months). Precipitation amounts to 1,200 mm (47 in) per year, with a maximum in summer (December to February), when the rains are abundant, and exceed 250 mm (10 in) per month.
Here is the average precipitation.
Average precipitation - Lubumbashi

Lubumbashi	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Lubumbashi	J	F	M	A	M	J	J	A	S	O	N	D	Y
Prec. (mm)	255	255	260	60	5	0	0	0	5	35	165	255	1240
Prec.(in)	10	10	10.2	2.4	0.2	0	0	0	0.2	1.4	6.5	10	48.8
Days	24	22	20	9	2	0	0	0	1	5	17	24	124

In Lubumbashi and in the far south the sun shines regularly in the dry winter season, especially from May to September.
Sunshine - Lubumbashi

Lubumbashi	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Lubumbashi	J	F	M	A	M	J	J	A	S	O	N	D
Sun (hours)	5	5	6	9	10	10	11	10	10	9	7	4

In the eastern part of the Democratic Republic of the Congo, there are mountain ranges, related to the East African Rift. In the Rift we find also a number of lakes, such as Lake Albert, located at 615 metres (2,000 feet) above sea level; Lake Edward, at 915 metres (3,000 ft); Lake Kivu, at 1,465 metres (4,805 ft); Lake Tanganyika, at 770 metres (2,500 ft); and Lake Mweru, at 920 metres (3,020 ft).
The mountains have an influence on precipitation, in fact the western side is more rainy, while the eastern side is sheltered from humid currents, so that in the central and southern part of Lake Tanganyika the rainfall drops below 1,000 mm (40 in) per year.
Here are the average temperatures of Goma, located at 1,500 metres (5,000 feet) above sea level, on the shores of Lake Kivu. Although we are at the equator, at this altitude, daytime temperatures are pleasant all year round, and cool at night.
Average temperatures - Goma

Goma	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Goma	J	F	M	A	M	J	J	A	S	O	N	D
Min (°C)	14	14	14	14	14	13	13	13	13	13	13	13
Max (°C)	25	25	25	25	25	25	25	25	25	25	25	24
Min (°F)	57	57	57	57	57	55	55	55	55	55	55	55
Max (°F)	77	77	77	77	77	77	77	77	77	77	77	75

The rainfall amounts to 1,250 millimetres (50 inches) per year; from June to August the rains are fairly rare and not abundant.
Here is the average precipitation.
Average precipitation - Goma

Goma	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Goma	J	F	M	A	M	J	J	A	S	O	N	D	Y
Prec. (mm)	115	95	110	140	135	45	30	65	115	150	145	120	1265
Prec.(in)	4.5	3.7	4.3	5.5	5.3	1.8	1.2	2.6	4.5	5.9	5.7	4.7	49.8
Days	17	17	20	22	17	7	5	8	14	20	23	20	190

In Goma the sunniest period is the relatively dry one from June to August.
Sunshine - Goma

Goma	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Goma	J	F	M	A	M	J	J	A	S	O	N	D
Sun (hours)	6	6	5	5	6	7	7	6	6	6	6	5

The most imposing mountains of the country are the Ruwenzori mountains, which are located in the far east, on the border with Uganda, almost at the equator. The highest mountain is Mount Stanley, in Margherita Peak, 5,109 metres (16,762 ft), where there is also a glacier. These mountains are very wet, since they receive constant rainfall and are often covered with clouds; they are home to a variety of environments, which change with altitude: between 2,000 and 3,000 metres (6,600 and 9,800 ft) there is a montane forest; above 3,000 metres (9,800 ft) there are species able to withstand the night frost as well as the strong solar radiation during the day, and above 4,000 metres (13,000 ft) we find a moorland similar to the Alpine one. The Ruwenzori Mountains in the Congolese side are protected in the Virunga National Park (World Heritage Site by UNESCO), which extends to the south, beyond Lake Edward, to the other imposing mountain range, still on the border with Uganda, precisely the Virunga Mountains.
West of Lake Kivu we find the Mitumba Mountains, whose highest peaks are Mount Kahuzi, 3,308 metres (10,853 feet), and Mount Biega, 2,790 metres (9,154 feet), both protected in the Kahuzi-Biega National Park, UNESCO World Heritage Site, however, declared at risk because of illegal hunting and poaching.
Further south of the Virunga Mountains there are the Itombwe Mountains, which culminate in Mount Mohi, 3,475 metres (11,401 ft) high.



As we have seen, the amount of sunshine in much of the Democratic Republic of Congo is never very good, because the strong solar radiation often causes cloudiness during the day, most likely from around noon and in the afternoon. On the other hand, in the early morning mists often occur, due to moisture evaporating from the ground, while on the coast, fog and low clouds often form, due to the cool sea current. The situation is different in the southernmost part (see Lubumbashi), where the dry season is more pronounced, and during the austral winter (May to September) the sky is often clear.
However, the sun at the equator is very strong, and requires adequate protection even when the sky is cloudy, especially at high altitudes.


There is no single best time to visit the Democratic Republic of the Congo, as the dry season comes at different times: in the tropical region north of the equator it runs from December to February; in the tropical region south of the equator (see Kinshasa) it goes from June to August; in the southernmost area (see Lubumbashi), there is little rain even in May, September and October, although in the latter two months it can get hot during the day, especially below one thousand metres (3,300 feet), see for instance the Kundelungu National Park.
In the equatorial zone, where it rains throughout the year, there is usually a drop in rainfall in two periods, January-February and June-July.


In the equatorial zone, all year round, light clothing, of natural fibres, a light sweatshirt for the evening, umbrella or light raincoat for the rain showers.
In the tropical areas, in the rainy season, umbrella or light raincoat for the rain showers; in the relatively cool dry season (December to February in the north, June to September in Kinshasa and the south) you can add a sweatshirt and a light jacket, especially in the south and on the coast.
At low-mountain elevations, above a thousand metres (3,300 feet, see Lake Kivu and Goma, Lubumbashi), you can bring a sweatshirt and a light jacket for the evening, all year round.
In the far south, above a thousand metres (3,300 feet, see Lubumbashi), from May to August you can add sweater, warm jacket and hat for nights and early mornings.
For the top of the highest mountains, such as the Ruwenzori, all year round, winter clothes, jacket, hat, gloves.