Climate Insights for Bwambarangwe

Commune of Bwambarangwe, Kirundo Province, Burundi

Hottest
August
29°C peak
Coldest
June
17°C low
Wettest
April
213mm rain
Best to Visit
January, February, May
Mild temps & low rain

Climate Overview

The climate in Bwambarangwe is warm and mild. The average annual temperature is 22°C and approximately 1051mm of precipitation falls per year. April is the wettest month, receiving around 213mm of rainfall. Bwambarangwe sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 22° Min: 18° Feb Max: 27° Average: 22° Min: 18° Mar Max: 27° Average: 22° Min: 18° Apr Max: 26° Average: 21° Min: 18° May Max: 26° Average: 22° Min: 18° Jun Max: 27° Average: 22° Min: 17° Jul Max: 28° Average: 23° Min: 17° Aug Max: 29° Average: 23° Min: 18° Sep Max: 29° Average: 23° Min: 19° Oct Max: 27° Average: 22° Min: 18° Nov Max: 26° Average: 21° Min: 18° Dec Max: 26° Average: 21° Min: 18°
Max
Average
Min

Bwambarangwe sees moderate temperature variation throughout the year, ranging from 17°C to 29°C. The warmest month is August, when average highs reach 29°C and the mean temperature sits around 23°C. June is the coolest month, with minimum temperatures around 17°C and an average of 22°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 84mm Feb Precipitation: 82mm Mar Precipitation: 126mm Apr Precipitation: 213mm May Precipitation: 82mm Jun Precipitation: 6mm Jul Precipitation: 3mm Aug Precipitation: 24mm Sep Precipitation: 55mm Oct Precipitation: 109mm Nov Precipitation: 142mm Dec Precipitation: 124mm
Precipitation

Bwambarangwe is a moderately rainy area, receiving approximately 1051mm of precipitation annually, which averages out to around 88mm per month. The wettest month is April, averaging 213mm of rainfall. November and March also tend to see above-average precipitation. The driest month is July, with just 3mm. That's 210mm less than April, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 5km/h Feb Wind Speed: 5km/h Mar Wind Speed: 5km/h Apr Wind Speed: 5km/h May Wind Speed: 6km/h Jun Wind Speed: 7km/h Jul Wind Speed: 7km/h Aug Wind Speed: 7km/h Sep Wind Speed: 7km/h Oct Wind Speed: 6km/h Nov Wind Speed: 5km/h Dec Wind Speed: 5km/h
Wind Speed

Bwambarangwe is relatively calm, with an average annual wind speed of 6km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 5km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 6km/h in spring, 5km/h in summer, 6km/h in autumn.

Seasons

Winter
Dec 21
Spring
Sep 23
Summer
Dec 21
Autumn
Mar 20

87 days until Summer

It is currently spring in Bwambarangwe, which began on September 23, 2026. Bwambarangwe sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in August at around 29°C, while the coldest stretch bottoms out in June near 17°C. Summer is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 18 to 29°C. Rainfall is heavy, totalling around 306mm across the season with a monthly average of 102mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 18 to 27°C. Precipitation is moderate at around 290mm for the season, averaging 97mm per month. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 18 to 27°C. Rainfall is heavy, totalling around 421mm across the season with a monthly average of 140mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 17 to 29°C. Precipitation is minimal, with only around 33mm for the entire season. Winds are generally light, averaging 7km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 22°
Feb 22°
Mar 22°
Apr 21°
May 22°
Jun 22°
Jul 23°
Aug 23°
Sep 23°
Oct 22°
Nov 21°
Dec 21°

The best time to visit Bwambarangwe is during January, February, May, June, July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 22°C with modest rainfall averaging 48mm per month. A light rain jacket is recommended, though showers are generally brief and shouldn't disrupt your plans.

Monthly Climate Data

The table below shows monthly climate averages for Bwambarangwe based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
18 °C
27 °C
5 km/h
84 mm
0 cm
Feb
18 °C
27 °C
5 km/h
82 mm
0 cm
Mar
18 °C
27 °C
5 km/h
126 mm
0 cm
Apr
18 °C
26 °C
5 km/h
213 mm
0 cm
May
18 °C
26 °C
6 km/h
82 mm
0 cm
Jun
17 °C
27 °C
7 km/h
6 mm
0 cm
Jul
17 °C
28 °C
7 km/h
3 mm
0 cm
Aug
18 °C
29 °C
7 km/h
24 mm
0 cm
Sep Current
19 °C
29 °C
7 km/h
55 mm
0 cm
Oct
18 °C
27 °C
6 km/h
109 mm
0 cm
Nov
18 °C
26 °C
5 km/h
142 mm
0 cm
Dec
18 °C
26 °C
5 km/h
124 mm
0 cm
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Metric (°C, km/h)