Climate and monthly weather forecastBula, Guinea-Bissau

The climate of Bula

Bula, in Guinea-Bissau, is described as having a Tropical wet and dry or savanna climate according to the Koppen climate classification, also recognized as Aw. Located close to the equator, the town experiences a hot and often humid climate year-round with predictable shifts in precipitation patterns.

The town's year-round temperatures range from a peak of 35.5°C (95.9°F) to a minimum of 21.8°C (71.2°F). It experiences a distinct wet and dry pattern. The dry months are devoid of significant rainfall, while the wet season from June to September sees rainfall elevating from 30mm (1.18") to a peak of 270mm (10.63") in August. The humidity follows a similar pattern, increasing during months of significant rainfall, ranging from 32% to 82% and then decreasing during the drier months.

This town sees an ample amount of daylight throughout the year, with the shortest day offering roughly 11.4 hours, and the lengthiest, around 12.8 hours. Sunshine hours shift from a low of 6.1 hours per day in August to a high of 9.9 hours per day from March to May. The UV index remains at 7 year-round, indicating a high risk of harm from unprotected sun exposure. Wind speeds in this region vary only slightly throughout the year, moving between 9km/h (5.6mph) and 13.2km/h (8.2mph).

The best time to visit Bula

The optimal time to visit Bula would be during the dry season, primarily between December and April. During these months, temperatures are slightly milder, from 21.8°C (71.2°F) to 33.7°C (92.7°F) with the least rainfall. This results in lower humidity levels and overall, relatively more comfortable weather. For sun lovers, March to April would be more suitable as these have very high sunshine hours, up to 9.9 hours a day.

The worst time to visit Bula

Traveling to Bula during the wet season, particularly in July through September, may be less desirable. The temperature is at its highest, reaching 35.5°C (95.9°F) in April and the rainfall is at its peak in August at 270mm (10.63"), contributing to increased humidity levels that reach 82%. But notably, despite the rains, the hours of sunshine are still reasonable with an average of 6.1 to 6.9 from July through September.

Spring weather in Bula

Bula largely experiences a tropical climate; however, if we classify March to May as Spring in the Western sense, temperatures consistently peak at 35.5°C (95.9°F) and drop down to 24.4°C (75.9°F). These months are primarily dry, shifting to mild rainfall in May, with 7mm (0.28"). Sunshine is abundant, reaching its maximum of 9.9 hours per day, with 12.7 hours of daylight in May and dropping slightly to 9.9 hours in the same month.

Summer weather in Bula

True to its tropical nature, Bula's Summer, marked from June to August, witnesses maximum temperatures fluctuating from 32.8°C (91°F) to 30.7°C (87.3°F) and minimum temperatures from 26°C (78.8°F) to 25°C (77°F). Rainfall increases dramatically, peaking in August at 270mm (10.63"), and results in a significant rise in humidity, up to 82%. Sunshine hours decline during this period, falling to a minimum of 6.1 hours per day also in August.

Autumn weather in Bula

Autumn, typically known as the dry period in Bula, falls from September to November. Temperatures start to decrease, ranging protractedly from 30.5°C (86.9°F) to 34.3°C (93.7°F) with minimum temperatures from 25°C (77°F) to 24.7°C (76.5°F). While rainfall dwindles considerably, from 132mm (5.2") in September down to 8mm (0.31") in November. Average sunshine hours start to increase, thereby providing more sunlit time for visitors.

Winter weather in Bula

In the Winter period from December to February, Bula enjoys its dry season with temperatures falling consecutively from 34°C (93.2°F) to 34.2°C (93.6°F), and minimum temperatures fluctuating between 21.8°C (71.2°F) and 22.1°C (71.8°F). This season witnesses minimal rainfall of 0mm (0") in December and February, and 1mm (0.04") in January. The average sunshine hours remain high with 9.7 hours per day and daylight hours ranging from 11.5 hours up to 11.8 hours.

Weather in January

January in Bula, Guinea-Bissau boasts modest temperatures with highs reaching up to 34.2°C (93.6°F), while the minimum is observed at 21.8°C (71.2°F). This balanced thermal profile gives way to pleasant weather, ideal for sightseeing. Weather in January »

Weather in February

When February arrives, Bula experiences a slight bump in the temperature scale. With daytime highs soaring to 34.9°C (94.8°F), it provides a generous dose of heat, slightly warmer than the previous month. The weather also remains dry with minimal disturbances in the form of rainfall. Weather in February »

Weather in March

In March, Bula's weather continues the warming trend with the highest temperatures hovering around 35.5°C (95.9°F). The high humidity levels coupled with the increase in the number of daylight hours ensure a true tropical experience. Weather in March »

Weather in April

April brings a further increase in Bula's temperature and humidity indices. Indeed, the city records up to 50% relative humidity, which combined with temperatures peaking at 35°C (95°F), sets up for a humid atmospheric scenario. Weather in April »

Weather in May

Sunshine hours peak in May with the average day extending for a pleasing 12.7 hours. Although temperatures still remain high, rainfall starts making its presence felt with 7mm (0.28") recorded in May. As the rains increase, the atmospheric pressure undergoes a mild variation, creating a perfect set up for barometric connoisseurs. Weather in May »

Weather in June

Come June, and Bula is soaked in the monsoon fervor. The highlight this month is the noticeable reduction in sunshine hours to 9, beautifully compensated by the balmy weather and rainfall amounting to 30mm (1.18"). The UV Index remains at 7, which prompts an interesting observation about Bula's June weather. Weather in June »

Weather in July

July stands as Bula's wettest month with rainfall reaching a significant 226mm (8.9"). However, amidst this showers galore, it's interesting to note that the maximum temperatures maintain a benign 30.7°C (87.3°F). This combination of steady temperatures and high rainfall creates a unique weather pattern typical to Bula in July. Weather in July »

Weather in August

August continues the monsoon story in Bula with an even higher rainfall of 270mm (10.63"). The drop in maximum temperature to 29.6°C (85.3°F) and a record humidity level of 82% make August Bula's most humid month. Yet, the long daylight hours offer plenty of opportunities for daytime activities. Weather in August »

Weather in September

September brings the rain-soaked phase to a close, with rainfall figures dropping down to 132mm (5.2") from August's peak. Temperature begins its upward journey again, reaching a comfortable 30.5°C (86.9°F) high. The number of sunshine days also takes an upward swing, signaling the start of the drier months. Weather in September »

Weather in October

October in Bula enters a distinctly drier phase, indicated by a further drop in rainfall to 50mm (1.97"). The maximum temperature climbs back up to 32.9°C (91.2°F), but the frequency of cooler nights makes the weather quite comfortable. Weather in October »

Weather in November

As Bula moves towards the year-end, November's weather brings in a fascinating combination of warm days marked by a high temperature of 34.3°C (93.7°F) and cool nights. Rainfall retreats almost entirely, recording a slight 8mm (0.31") for the entire month, creating thirst-quenching conditions. Weather in November »

Weather in December

The year wraps up in Bula with an unequivocally dry December, recording the lowest rainfall of 1mm (0.04"). The maximum temperature holds at a steady 34°C (93.2°F), similar to that seen in November. Daylight hours shrink to 11.4 hours, implying shorter yet bright and sunny days. Weather in December »