Climate and monthly weather forecastBujumbura, Burundi
Climate and monthly weather forecast
The climate of Bujumbura
In a city nestled within the heart of Africa, the climate adheres to the Köppen climate classification as a tropical wet and dry, or savanna climate. Bujumbura, the capital city of Burundi, experiences a significant seasonal variation in the amount of rainfall, however, little variability in the temperature. Being near the equator, the city does not experience the traditional four seasons but alternates between the wet and dry periods.The range of rainfall varies immensely, seeing values from a serene 9mm (0.35") in July to a torrential 167mm (6.57") in April. This dramatic contrast heralds the divide between the wet and dry seasons, providing the city with definite periods of growth and aridity. The number of days in which the city experiences rainfall ranges from a minimum of 7 days in July to a peak of 29 days in April, further highlighting the dichotomy between the wet and dry periods.
Constantly swathed in tropical warmth, Bujumbura's average high temperature fluctuates mildly between 21.3°C (70.3°F) in May and 23.7°C (74.7°F) in February. The lower temperatures also remain consistent throughout the year, wavering only between 12.4°C (54.3°F) in June and 15.5°C (59.9°F) in October. Apart from rainfall, other weather metrics such as relative humidity, daylight hours, sunshine hours, and wind speed display only subtle variations throughout the year.
The uniqueness of Bujumbura lies in its relative consistency, with the glaring exception of rainfall. The climate can be predicted fairly reliably, providing comfort in familiarity.
The best time to visit Bujumbura
The optimal period to experience the serenity and vibrancy of Bujumbura happens from June to August. During this time, rainfall is at its lowest, averaging at 12mm (0.47") per month, paving the way for leisurely outdoor explorations. The number of rainfall days is also reduced to a range of 7 to 8.8 days. Coupled with an average of 9.8 to 10.3 sunshine hours daily, these months offer ample opportunities for sightseeing and engaging in outdoor activities.The worst time to visit Bujumbura
The heavy downpours from March to May mark the least favourable period for a visit to Bujumbura. With an overwhelming monthly average rainfall of 144mm (5.67"), frequent disruptions to travel and outdoor activities can be expected. The number of sunshine days during this period also takes a plunge, going down to an average of about 2, leaving these months relatively gloomy and overcast.Spring weather in Bujumbura
In the context of Bujumbura's tropical climate, "spring" stretches from March to May. These months are characterized by the heaviest rainfall of the year, averaging at an intense 144mm (5.67") per month. Correspondingly, the highest number of rain days also occurs during this period, reaching a staggering of 29 days in April. The high temperature averages between 23.4°C (74.1°F) and 21.3°C (70.3°F), while the low temperature oscillates between 14°C (57.2°F) and 13.4°C (56.1°F). It is also the time of slightly diminished sunshine with an average of 7.57 hours daily.Summer weather in Bujumbura
Bujumbura's "summer", or the dry period, spans from June to August. These months are marked by a drastic reduction in rainfall, descending to an absolute low of 9mm (0.35") in July. At the same time, the city savours an average of 9.8 sunshine hours daily. The average high temperature during this period hovers between 21.4°C (70.5°F) and 23.2°C (73.8°F), while the low temperature fluctuates between 12.4°C (54.3°F) and 14.3°C (57.7°F).Autumn weather in Bujumbura
The "autumn" period in Bujumbura, from September to November, signals the gradual return of the rainy season. Rainfall begins to climb from 35mm (1.38") in September to 127mm (5") by November. The number of sunshine hours begins to descend, averaging 8.9 hours daily by November. Throughout this season, the average high temperature ranges from 23.6°C (74.5°F) to 22.8°C (73°F), while the low temperature rises from 14.5°C (58.1°F) to 14.8°C (58.6°F).Winter weather in Bujumbura
"Winter", or late rainy season in Bujumbura, extends from December to February. Average rainfall during this period is high, peaking at 137mm (5.39") in December. Despite the heavy rains, the city continues to average between 8.6 to 10.5 hours of sunshine per day. The high temperatures during this season remain relatively constant at approximately 23°C (73.4°F), while the low temperatures stay around 14°C (57.2°F).Weather in January
The onset of the year in Bujumbura, Burundi, is characterized by warm and humid conditions. Compared to December, the average high and low temperatures remain relatively stable. Rainfall in this period is significant, with an accumulation of 100mm (3.94") over 26.7 days of precipitation. Weather in January »Weather in February
February experiences conditions comparable to those in January. Nonetheless, a slight decrease in average high temperature accompanies a slight rise in rainfall to 112mm (4.41"). Winds remain calm, contributing to the overall mild weather in Bujumbura. Weather in February »Weather in March
Increased rainfall distinguishes the weather condition in March, with Bujumbura receiving 154mm (6.06") spread over 29.2 precipitation days. This makes it the month with the third-highest rainfall in the year. Temperature highs and lows are almost in sync with the preceding month. Weather in March »Weather in April
April weather remains relatively similar to March, albeit with the highest rainfall of 167mm (6.57") during the year. High and low temperatures fall slightly, but the weather remains pleasantly warm. Due to the increased cloud cover, April sees the least sunshine in the year. Weather in April »Weather in May
The weather in May takes a somewhat different trajectory compared to April. Highlighted by a significant drop in rainfall to 114mm (4.49"), the month also experiences a decrease in cloud cover. While the average high and low temperatures decrease slightly, they still retain the characteristic warmth of Bujumbura. Weather in May »Weather in June
Bujumbura undergoes a dramatic shift in weather conditions during June. Rainfall is at its lowest, recorded at 23mm (0.91"), significantly decreasing the number of rainfall days. This corresponds to a noticeable decline in humidity and a reduction in cloud coverage. Weather in June »Weather in July
In July, the weather remains relatively dry, with a minor increase in precipitation to 9mm (0.35"). It features the least number of rainfall days in the year. While temperatures remain relatively stable, wind speeds see a marginal increase. Weather in July »Weather in August
August marks a continuation of the dry and warm trend set in previous months. An uptick in rainfall reaching 15mm (0.59") is notable. The long hours of sun are consistent courtesy of reduced cloud cover and high visibility. Despite a slight increase in the average high and low temperatures, Bujumbura remains on the warmer side. Weather in August »Weather in September
In September, Bujumbura, Burundi experiences an uptick in rainfall, recording 35mm (1.38") over 14.7 days. With the increase in precipitation, there's a corresponding rise in relative humidity. Despite these alterations, the temperatures, sunshine, and visibility conditions remain relatively stable. Weather in September »Weather in October
October heralds in significant changes, beginning with a substantial increase in rainfall to 98mm (3.86"). This surge in rainfall ushers in cooler temperatures. However, daylight hours remain the same, with sunshine hours dropping slightly due to an augmentation of cloud cover. Weather in October »Weather in November
November weather portrays an increase in precipitation, registering at 127mm (5"). The high and low temperatures remain relatively stable compared to October. With more days of rainfall, the city experiences a rise in humidity and an escalation in cloud cover, resulting in less sunshine. Weather in November »Weather in December
December is characterized by an almost steady continuation of November's weather trends. Rainfall totals rise slightly to 137mm (5.39"), marking it as the month with the second-highest precipitation level. Cloud conditions and sunlight hours remain relatively constant, with minor changes in other parameters. Weather in December »Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Throughout the year, there are 256.8 rainfall days, and 1091mm (42.95") of precipitation is accumulated.
The months with the highest UV index are January through December, with an average maximum UV index of 5.
January through December, with an average maximum UV index of 5, are months with the lowest UV index in Bujumbura, Burundi.
With an average high-temperature of 23.7°C (74.7°F) and an average low-temperature of 14°C (57.2°F), February is the warmest month.
April is the month with the most rainfall. Rain falls for 29 days and accumulates 167mm (6.57") of precipitation.
With an average high-temperature of 21.3°C (70.3°F) and an average low-temperature of 13.4°C (56.1°F), May is the coldest month in Bujumbura.
With an average relative humidity of 84%, May is the most humid month.
May has the least sunshine of the year, with an average of 6.3h of sunshine.
With an average of 11h and 54min of daylight, June has the shortest days of the year in Bujumbura, Burundi.
July is the month with the least rainfall. Rain falls for 7 days and accumulates 9mm (0.35") of precipitation.
August and September, with an average relative humidity of 62%, are the least humid months.
The month with the longest days is December, with an average of 12h and 18min of daylight.
Bujumbura does not utilize Daylight Saving Time (DST). CAT timezone is used over the entire year.
The month with the most sunshine in Bujumbura, Burundi, is December, with an average of 10.5h of sunshine.
Average temperature
Bujumbura, Burundi
The warmest month (with the highest average high temperature) is February (23.7°C).
The month with the lowest average high temperature is May (21.3°C).
The month with the highest average low temperature is October (15.5°C).
The coldest month (with the lowest average low temperature) is June (12.4°C).
Average pressure
Bujumbura, Burundi
- Average pressure in January:
1013.2mbar - Average pressure in February:
1012.6mbar - Average pressure in March:
1012.9mbar - Average pressure in April:
1013.5mbar - Average pressure in May:
1014.7mbar - Average pressure in June:
1015.7mbar
- Average pressure in July:
1015.4mbar - Average pressure in August:
1014.3mbar - Average pressure in September:
1013.6mbar - Average pressure in October:
1012.6mbar - Average pressure in November:
1012.6mbar - Average pressure in December:
1013.1mbar
The month with the highest atmospheric pressure is June (1015.7mbar).
The months with the lowest atmospheric pressure are February, October and November (1012.6mbar).
Average wind speed
Bujumbura, Burundi
- Average wind speed in January:
4.5km/h - Average wind speed in February:
4.7km/h - Average wind speed in March:
4.8km/h - Average wind speed in April:
5.2km/h - Average wind speed in May:
5.4km/h - Average wind speed in June:
6km/h
- Average wind speed in July:
6.4km/h - Average wind speed in August:
6.2km/h - Average wind speed in September:
5.9km/h - Average wind speed in October:
6km/h - Average wind speed in November:
5.2km/h - Average wind speed in December:
4.5km/h
The windiest month (with the highest average wind speed) is July (6.4km/h).
The calmest months (with the lowest average wind speed) are January and December (4.5km/h).
Average humidity
Bujumbura, Burundi
The month with the highest relative humidity is May (84%).
The months with the lowest relative humidity are August and September (62%).
Average rainfall
Bujumbura, Burundi
- Average rainfall in January:
100mm - Average rainfall in February:
112mm - Average rainfall in March:
154mm - Average rainfall in April:
167mm - Average rainfall in May:
114mm - Average rainfall in June:
23mm
The wettest month (with the highest rainfall) is April (167mm).
The driest month (with the least rainfall) is July (9mm).
Average rainfall days
Bujumbura, Burundi
- Average rainfall days in January:
26.7 days - Average rainfall days in February:
25.8 days - Average rainfall days in March:
29.2 days - Average rainfall days in April:
29 days - Average rainfall days in May:
24.8 days - Average rainfall days in June:
13.9 days
- Average rainfall days in July:
7 days - Average rainfall days in August:
8.8 days - Average rainfall days in September:
14.7 days - Average rainfall days in October:
21.8 days - Average rainfall days in November:
26.7 days - Average rainfall days in December:
28.4 days
The month with the highest number of rainy days is March (29.2 days).
The month with the least rainy days is July (7 days).
Average daylight / Average sunshine
Bujumbura, Burundi
- Average daylight in January:
12h and 18min - Average daylight in February:
12h and 12min - Average daylight in March:
12h and 6min - Average daylight in April:
12h and 0min - Average daylight in May:
12h and 0min - Average daylight in June:
11h and 54min
- Average daylight in July:
11h and 54min - Average daylight in August:
12h and 0min - Average daylight in September:
12h and 6min - Average daylight in October:
12h and 12min - Average daylight in November:
12h and 18min - Average daylight in December:
12h and 18min
The month with the longest days is December (Average daylight: 12h and 18min).
The month with the shortest days is June (Average daylight: 11h and 54min).
- Average sunshine in January:
9h and 18min - Average sunshine in February:
9h and 0min - Average sunshine in March:
8h and 36min - Average sunshine in April:
7h and 48min - Average sunshine in May:
6h and 18min - Average sunshine in June:
8h and 30min
- Average sunshine in July:
9h and 42min - Average sunshine in August:
9h and 48min - Average sunshine in September:
10h and 18min - Average sunshine in October:
8h and 54min - Average sunshine in November:
8h and 36min - Average sunshine in December:
10h and 30min
The month with the most sunshine is December (Average sunshine: 10h and 30min).
The month with the least sunshine is May (Average sunshine: 6h and 18min).
Average sunshine days
Bujumbura, Burundi
- Average sunshine days in January:
3.3 days - Average sunshine days in February:
1.4 days - Average sunshine days in March:
1.1 days - Average sunshine days in April:
0.8 days - Average sunshine days in May:
4.8 days - Average sunshine days in June:
14.4 days
- Average sunshine days in July:
22.3 days - Average sunshine days in August:
19.2 days - Average sunshine days in September:
11.9 days - Average sunshine days in October:
7.1 days - Average sunshine days in November:
2.5 days - Average sunshine days in December:
2.1 days
The month with the most sunshine days is July (22.3 days).
The month with the least sunshine days is April (0.8 days).
Average UV index
Bujumbura, Burundi
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 5).
Average cloud cover
Bujumbura, Burundi
The month with the most cloud cover is April (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 19).
Average visibility
Bujumbura, Burundi
The months with the highest visibility are July, August, September and October (10km).
The months with the lowest visibility are April and May (8km).
