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The climate of Burundi is an equatorial climate of altitude. This is due to the altitude at which the country is located, which varies between 772 meters and 2,684 meters. This type of climate presents considerable differences in temperatures between the various regions due to the difference in height. In the climate of Burundi there are also differences in temperatures between day and night.
THE RAIN SEASON AND THE DRY SEASON
The amount of rainfall varies between area and area of the country, the extreme north-west, namely the Rusizi valley and the area of Lake Tanganyika, where is also the capital Bujumbura, is the least rainy area of the country, here fall between 750 mm and 950 mm of rain per year. In the rest of Burundi fall on average between 1,000 mm and 1,500 mm of precipitation per year.
The rains fall between October and April, and between May and September there is the dry season, in some places such as in the capital Bujumbura, the dry season extends from May to October, while in the wettest areas of the country the dry season is reduced only to the months between June and September. The driest months are June, July and August.
TEMPERATURES
The central area of the country – which consists of highlands – has a pleasant and cool climate with average annual temperatures around 20 ° C, at higher altitudes the temperatures decreases, reaching an average of 16 ° C in the areas of highest mountains.
The lowest areas of Burundi are those around Lake Tanganyika, where the temperatures are a few degrees warmer than in the rest of the country, the annual average is around 23 ° C, in this area there is also the capital Bujumbura, which is located at 774 meters above sea level.
Temperatures vary little on a seasonal basis, in the capital Bujumbura, the average maximum temperatures vary between 29 ° C and 31 ° C, while the average minimum temperatures vary between 17 ° C and 20 ° C. In the higher areas of the country the average values of temperature, both minimum maximum, are also lower by 10 ° C compared to those of the capital.
WHEN TO GO TO BURUNDI
The best time for a trip to Burundi are the driest months between May and September.
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CLIMATE OF BURUNDI: CLIMATE TABLES
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| BUJUMBURA (774 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 19,2 | 29,1 | 100,3 | 16 |
| February | 19,3 | 29,7 | 85,7 | 19 |
| March | 19,3 | 29,3 | 117,5 | 18 |
| April | 19,6 | 29,2 | 111,9 | 18 |
| May | 19,1 | 29,9 | 56,6 | 10 |
| June | 17,6 | 29,9 | 8,9 | 2 |
| July | 17,2 | 29,2 | 2,7 | 1 |
| August | 17,4 | 30,0 | 13,4 | 2 |
| September | 18,6 | 30,9 | 33,0 | 8 |
| October | 19,1 | 30,1 | 59,0 | 15 |
| November | 19,1 | 29,1 | 97,1 | 19 |
| December | 19,1 | 28,9 | 99,6 | 19 |
| YEAR | 18,7 | 29,6 | 785,7 | 147 |
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| GITEGA (1504 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 13,8 | 25,2 | 157,5 | |
| February | 13,7 | 25,5 | 146,6 | |
| March | 13,8 | 23,3 | 163,6 | |
| April | 14,3 | 24,9 | 169,2 | |
| May | 13,6 | 24,8 | 76,3 | |
| June | 11,6 | 25,2 | 5,6 | |
| July | 10,5 | 25,9 | 4,4 | |
| August | 11,6 | 26,8 | 9,2 | |
| September | 12,7 | 27,1 | 52,5 | |
| October | 13,4 | 26,4 | 100,4 | |
| November | 13,6 | 24,9 | 148,9 | |
| December | 13,5 | 24,8 | 145,2 | |
| YEAR | – | – | 1179,4 | |
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| NGOZI (1820 meters) | ||||
| Month | Average low (°C) | Average high (°C) | Precip. (mm) | Precip. days |
| January | 11,5 | 21,9 | 166,8 | |
| February | 11,5 | 22,1 | 176,7 | |
| March | 11,6 | 22,0 | 203,1 | |
| April | 12,1 | 21,4 | 204,8 | |
| May | 11,3 | 20,8 | 117,3 | |
| June | 9,3 | 21,0 | 10,2 | |
| July | 8,6 | 21,6 | 5,1 | |
| August | 9,7 | 22,8 | 15,8 | |
| September | 12,1 | 23,5 | 65,8 | |
| October | 11,9 | 22,7 | 127,0 | |
| November | 11,7 | 21,5 | 185,6 | |
| December | 11,6 | 21,4 | 175,7 | |
| YEAR | – | – | 1453,9 | |
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