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Brazzaville's climate is
tropical, with a dry season from June to September and a rainy season from October to May (in which there are two wetter periods in March-April and November-December). From June to August is the coolest time of the year, while from mid-August, even though the rains have not yet started, the temperature begins to rise.
The city is the capital of the Republic of Congo and is located 4 degrees south of the equator, at 320 meters (1,050 feet) above sea level. Beyond the Congo River lies Kinshasa, the capital of the Democratic Republic of Congo.
Brazzaville - Climate data
In Brazzaville, the
average temperature of the coldest month (July) is of 23.6 °C (74.5 °F), that of the warmest month (April) is of 27.7 °C (81.8 °F). Here are the average temperatures.
Brazzaville - Average temperatures (1991-2020) | Month | Min (°C) | Max (°C) | Mean (°C) | Min (°F) | Max (°F) | Mean (°F) |
|---|
| January | 22.4 | 31 | 26.7 | 72 | 88 | 80.1 |
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| February | 22.5 | 31.7 | 27.1 | 73 | 89 | 80.8 |
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| March | 22.7 | 32.4 | 27.6 | 73 | 90 | 81.6 |
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| April | 22.8 | 32.6 | 27.7 | 73 | 91 | 81.8 |
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| May | 22.5 | 31.4 | 26.9 | 72 | 88 | 80.5 |
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| June | 20.4 | 28.9 | 24.6 | 69 | 84 | 76.3 |
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| July | 19.2 | 28.1 | 23.6 | 67 | 83 | 74.5 |
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| August | 19.9 | 29.1 | 24.5 | 68 | 84 | 76.2 |
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| September | 21.5 | 30.9 | 26.2 | 71 | 88 | 79.2 |
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| October | 22.1 | 31.2 | 26.6 | 72 | 88 | 79.9 |
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| November | 22.1 | 31.1 | 26.6 | 72 | 88 | 79.9 |
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| December | 22.3 | 30.7 | 26.5 | 72 | 87 | 79.7 |
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| Year | 21.7 | 30.7 | 26.15 | 71 | 87.3 | 79 |
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In Brazzaville,
precipitation amounts to 1345 millimeters (53 inches) per year: it is therefore quite abundant. It ranges from 1 mm (0 in) in the driest month (July) to 225 mm (8.9 in) in the wettest one (November). Here is the average precipitation.
Brazzaville - Average precipitation| Month | Millimeters | Inches | Days |
|---|
| January | 120 | 4.7 | 9 |
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| February | 125 | 4.9 | 8 |
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| March | 185 | 7.3 | 10 |
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| April | 210 | 8.3 | 13 |
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| May | 135 | 5.3 | 8 |
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| June | 2 | 0.1 | 0 |
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| July | 1 | 0 | 0 |
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| August | 2 | 0.1 | 0 |
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| September | 3 | 0.1 | 3 |
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| October | 140 | 5.5 | 9 |
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| November | 225 | 8.9 | 13 |
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| December | 195 | 7.7 | 12 |
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| Year | 1345 | 52.9 | 85 |
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In Brazzaville, there are on average around 1610
sunshine hours per year. Here are the average hours of sunshine per day.
Brazzaville - Sunshine hours| Month | Average | Total |
|---|
January | 4 | 125 | February | 5 | 140 | March | 5 | 155 | April | 5 | 150 | May | 4 | 125 | June | 4 | 120 | July | 4 | 125 | August | 5 | 155 | September | 4 | 120 | October | 4 | 125 | November | 5 | 150 | December | 4 | 125 | Year | 4.4 | 1610 |
Brazzaville - Weather by month
Based on the period 1991-2020
In
January, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 26.7 °C (80 °F), with a minimum of 22.4 °C (72.4 °F) and a maximum of 31 °C (87.9 °F).
On the coldest nights of the month, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 120 mm (4.7 in), distributed over 9 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 32% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
In
February, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 27.1 °C (81 °F), with a minimum of 22.5 °C (72.5 °F) and a maximum of 31.7 °C (89.1 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (68.5 °F).
On the warmest days of the month, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 125 mm (4.9 in), distributed over 8 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 78%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
In
March, the weather in Brazzaville is usually very hot and muggy. The average temperature is of 27.6 °C (82 °F), with a minimum of 22.7 °C (72.8 °F) and a maximum of 32.4 °C (90.4 °F).
On the coldest nights, the temperature usually drops to around 20.5 °C (68.5 °F).
On the warmest days, the temperature usually reaches around 36 °C (96.5 °F).
Precipitation amounts to 185 mm (7.3 in), distributed over 10 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
In
April, the warmest month of the year, the weather in Brazzaville is usually very hot and muggy. The average temperature is of 27.7 °C (82 °F), with a minimum of 22.8 °C (73 °F) and a maximum of 32.6 °C (90.6 °F).
On the coldest nights, the temperature usually drops to around 20.5 °C (69.5 °F).
On the warmest days, the temperature usually reaches around 35.5 °C (96 °F).
Precipitation amounts to 210 mm (8.3 in), distributed over 13 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 77%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
In
May, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 26.9 °C (80 °F), with a minimum of 22.5 °C (72.5 °F) and a maximum of 31.4 °C (88.5 °F).
On the coldest nights, the temperature usually drops to around 20 °C (68.5 °F).
On the warmest days, the temperature usually reaches around 34.5 °C (94.5 °F).
Precipitation amounts to 135 mm (5.3 in), distributed over 8 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 80%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
In
June, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 24.6 °C (76 °F), with a minimum of 20.4 °C (68.6 °F) and a maximum of 28.9 °C (84.1 °F).
On the coldest nights, the temperature usually drops to around 17.5 °C (63.5 °F).
On the warmest days, the temperature usually reaches around 32 °C (90 °F).
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 7 kph (4 mph).
In
July, the coldest month of the year, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 23.6 °C (75 °F), with a minimum of 19.2 °C (66.6 °F) and a maximum of 28.1 °C (82.5 °F).
On the coldest nights of the month, the temperature usually drops to around 15.5 °C (60 °F).
On the warmest days of the month, the temperature usually reaches around 31.5 °C (89 °F).
Precipitation amounts to only 1 mm (0 in), distributed over 0 days.
The day lasts on average 11 hours and 55 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 34% of the time.
The average humidity is 76%. Hence, the air is normally humid.
The average wind speed is 8 kph (5 mph).
In
August, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 24.5 °C (76 °F), with a minimum of 19.9 °C (67.9 °F) and a maximum of 29.1 °C (84.4 °F).
On the coldest nights of the month, the temperature usually drops to around 17 °C (62.5 °F).
On the warmest days of the month, the temperature usually reaches around 33.5 °C (92 °F).
Precipitation amounts to only 2 mm (0.1 in), distributed over 0 days.
The day lasts on average 12 hours and 0 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 42% of the time.
The average humidity is 71%. Hence, the air is normally humid.
The average wind speed is 9 kph (6 mph).
In
September, the weather in Brazzaville is usually warm to hot. The average temperature is of 26.2 °C (79 °F), with a minimum of 21.5 °C (70.6 °F) and a maximum of 30.9 °C (87.7 °F).
On the coldest nights, the temperature usually drops to around 18.5 °C (65.5 °F).
On the warmest days, the temperature usually reaches around 35 °C (95 °F).
Precipitation amounts to only 3 mm (0.1 in), distributed over 3 days.
The day lasts on average 12 hours and 5 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 69%.
The average wind speed is 9 kph (6 mph).
In
October, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 26.6 °C (80 °F), with a minimum of 22.1 °C (71.8 °F) and a maximum of 31.2 °C (88.1 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 35 °C (95 °F).
Precipitation amounts to 140 mm (5.5 in), distributed over 9 days.
The day lasts on average 12 hours and 10 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 33% of the time.
The average humidity is 75%. Hence, the air is normally humid.
The average wind speed is 7 kph (5 mph).
In
November, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 26.6 °C (80 °F), with a minimum of 22.1 °C (71.9 °F) and a maximum of 31.1 °C (88 °F).
On the coldest nights, the temperature usually drops to around 19.5 °C (67.5 °F).
On the warmest days, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 225 mm (8.9 in), distributed over 13 days.
The day lasts on average 12 hours and 20 minutes.
There are on average 5 hours of sunshine per day. So, the sun shines 41% of the time.
The average humidity is 79%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).
In
December, the weather in Brazzaville is usually warm to hot and muggy. The average temperature is of 26.5 °C (80 °F), with a minimum of 22.3 °C (72.1 °F) and a maximum of 30.7 °C (87.3 °F).
On the coldest nights of the month, the temperature usually drops to around 20.5 °C (69 °F).
On the warmest days of the month, the temperature usually reaches around 34.5 °C (94 °F).
Precipitation amounts to 195 mm (7.7 in), distributed over 12 days.
The day lasts on average 12 hours and 25 minutes.
There are on average 4 hours of sunshine per day. So, the sun shines 32% of the time.
The average humidity is 81%. Hence, the air is normally humid.
The average wind speed is 6 kph (4 mph).